AURORAMODEL481PUMPS Section 912 Page 201 SINGLE ... · AURORAMODEL483PUMPS SINGLESTAGEFIREPUMPS...
Transcript of AURORAMODEL481PUMPS Section 912 Page 201 SINGLE ... · AURORAMODEL483PUMPS SINGLESTAGEFIREPUMPS...
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PUMP SIZECASE
DISCH MODEL BORE A B D E G H O R S U V W X Z AA AB AC AD AW AX CP YY ZZ2-1/2 481 10B 3 2 8 10 8 3-1/2 3/4 5/8 16 4 4 1-1/8 2-7/8 13-1/2 9-3/4 4 2-1/8 1/4 1/8 9-1/2 – – 24 10
(203) (254) (203) (89) (19) (16) (406) (102) (102) (29) (73) (343) (248) (102) (54) (6) (3) (241) – – (610) (254)3 481 10 4 2 8 10 9 3-1/2 3/4 5/8 16-1/4 4 4-1/2 1-1/8 2-7/8 13-1/2 10 4-1/2 2-1/8 1/4 1/8 9-1/2 – 1/2 24 11
(203) (254) (229) (89) (19) (16) (413) (102) (114) (29) (73) (343) (254) (114) (54) (6) (3) (241) – (13) (610) (279)4 481 11 5 3 10 12 10 4-1/4 7/8 3/4 18-3/8 5 5 1-3/8 3 14-1/2 11-1/4 5 2-3/8 3/8 3/16 9-1/2 – 1/2 26 12-3/4
A/C (254) (305) (254) (108) (22) (19) (467) (127) (127) (35) (76) (368) (286) (127) (60) (10) (5) (241) (13) (660) (324)4 481 11 5 3 10 12 10 4-1/4 7/8 3/4 18-3/8 5 5 1-3/8 3 14-1/2 12 5 2-3/8 3/8 3/16 9-1/2 – 1/2 26 12-3/4
D (254) (305) (254) (108) (22) (19) (467) (127) (127) (35) (76) (368) (305) (127) (60) (10) (5) (241) (13) (660) (324)4 481 15 5 3 10 12 11 4-1/4 7/8 3/4 21-1/8 5 5-1/2 1-3/8 3 14-1/2 13 5-1/2 2-3/8 3/8 3/16 9-1/2 – – 26 14
(254) (305) (279) (108) (22) (19) (537) (127) (140) (35) (76) (368) (330) (140) (60) (10) (5) (241) – – (660) (356)5 481 11 6 4 10 12 11 4-1/4 7/8 3/4 19-3/4 5 5-1/2 1-1/2 3-1/2 16 11-1/4 5-1/2 2-7/8 3/8 3/16 11 – 3/4 28-1/2 13-1/4
(254) (305) (279) (108) (22) (19) (502) (127) (140) (38) (89) (406) (286) (140) (73) (10) (5) (279) – (19) (724) (337)5 481 15 6 4 10 12 12-1/2 4-1/4 7/8 3/4 22-1/2 5 6-1/4 1-1/2 3-1/2 16 13-1/4 6-1/4 2-7/8 3/8 3/16 11 – – 28-1/2 15 1-1/4
(254) (305) (318) (108) (22) (19) (572) (127) (159) (38) (89) (406) (337) (159) (73) (10) (5) (279) – – (724) (381) (32)5 481 17 6 4 10 12 12-1/2 4-1/4 7/8 3/4 22-1/2 5 6-1/4 1-1/2 3-1/2 16 14 6-1/4 2-7/8 3/8 3/16 11 – – 28-1/2 15
(254) (305) (318) (108) (22) (19) (572) (127) (159) (38) (89) (406) (356) (159) (73) (10) (5) (279) – – (724) (381)6 481 11 8 4 10 12 12-1/2 4-1/4 7/8 3/4 21-7/8 5 6-1/4 1-1/2 3-1/2 16 11-3/4 6-1/4 2-7/8 3/8 3/16 11 – 1-1/4 28-1/2 14-1/2
(254) (305) (318) (108) (22) (19) (556) (127) (159) (38) (89) (406) (298) (159) (73) (10) (5) (279) – (32) (724) (368)6 481 11HH 8 4A 12 14-1/2 16-1/2 5 1-1/4 7/8 25-3/4 6 8-5/8 1-1/2 3-3/8 18-1/8 10 8-5/8 2-7/8 3/8 3/16 12-1/8 – – 32-7/8 15
(305) (368) (419) (127) (32) (22) (654) (152) (219) (38) (86) (460) (254) (219) (73) (10) (5) (308) (835) (381)6 481 14HH 8 5A 12 14-1/2 16-1/2 5 1-1/4 7/8 27 6 7-1/2 1-3/4 4-1/8 20-1/2 15 7-1/2 2-7/8 3/8 3/16 14-1/2 – – 36-3/4 17
(305) (368) (419) (127) (32) (22) (686) (152) (191) (44) (105) (519) (381) (191) (73) (10) (5) (368) (933) (432)6 481 15 8 5 12 14 13-1/2 5 1 7/8 24--7/8 6 6-3/4 1-3/4 4 18 14-1/4 6-3/4 2-7/8 3/8 3/16 12 – 3/4 32 16-3/4
(305) (356) (343) (127) (25) (22) (632) (152) (171) (44) (102) (457) (362) (171) (73) (10) (5) (305) – (19) (813) 4256 481 18 8 5 12 14 14-3/4 5 3/4 7/8 27-1/4 6 8 1-3/4 4 18 16 8 2-7/8 3/8 3/16 12 – 3/4 32 18
(305) (356) (375) (127) (19) (22) (692) (152) (203) (44) (102) (457) (406) (203) (73) (10) (5) (305) – (19) (813) (457)6 481 20 8 5 12 14 14-3/4 5 1 7/8 27-3/4 6 8 1-3/4 4 18 15-3/4 8 2-7/8 3/8 3/16 12 – 3/4 32 18
(305) (356) (375) (127) (25) (22) (705) (152) (203) (44) (102) (457) (400) (203) (73) (10) (5) (305) – (19) (813) (457)8 481 12 10 5 12 14 14-3/4 5 1-1/4 7/8 26-3/8 6 8 1-3/4 4 18 17 9 2-7/8 3/8 3/16 12 1-3/4 2 32 17-3/4
(305) (356) (375 (127) (32) (22) (670) (152) (203) (44) (102) (457) (432) (229) (73) (10) (5) (305) (44) (51) (813) (451)8 481 17 10 5 12 14 14-3/4 5 1-1/4 7/8 27-1/8 6 8 1-3/4 4 18 17 8 2-7/8 3/8 3/16 12 3/4 2 32 17-3/4
(305) (356) (375) (127) (32) (22) (689) (152) (203) (44) (102) (457) (432) (203) (73) (10) (5) (305) (19) (51) (813) (451)8 481 21 10 6B 20 17 18-1/2 9 1 15/16 32-1/2 7-1/2 9-1/2 2-1/8 5-7/16 21-7/8 18 9-1/2 4-3/4 1/2 1/4 14-3/8 – – 38 21 2
(508) (432) (470) (229) (25) (24) (826) (191) (241) (54) (138) (556) (457) (241) (121) (13) (6) (365) – – (965) (533)(51)
10 481 15 12 6B 15 22 25 6-1/2 1 7/8 38-1/2 10 13-1/2 2-1/8 5-7/16 21-7/8 17 13-1/2 4-3/4 1/2 1/4 11-7/8 – – 38 20 1-1/4(381) (559) (635) (165) (25) (22) (978) (254) (343) (54) (138) (556) (432) (343) (121) (13) (6) (301) – – (965) (508) (32)
10 481 18 12 6B 15 22 25 6-1/2 1 7/8 39-1/2 10 13-1/2 2-1/8 5-7/16 21-7/8 18 13-1/2 4-3/4 1/2 1/4 11-7/8 – – 38 22(381) (559) (635) (165) (25) (22) (1003) (254) (343) (54) (138) (556) (457) (343) (121) (13) (6) (301) – – (965) (559)
10 481 18D 12 7A 15 22 25 6-1/2 1-1/4 7/8 40-1/2 10 12-1/4 2-1/8 5 24-1/4 20 12-1/4 6-5/8 1/2 1/4 14-1/4 – – 43 24 2(381) (559) (635) (165) (32) (22) (1029) (254) (311) (54) (127) (616) (508) (311) (168) (13) (6) (362) – – (1092) (610) (51)
12 481 18 14 7 15 22 24 6-1/2 1 7/8 40-1/8 10 15 2-1/2 6-5/8 25-1/4 18 15 5 5/8 5/16 15-1/4 – – 43-7/8 23(381) (559) (610) (165) (25) (22) (1019) (254) (381) (64) (168) (641) (457) (381) (127) (16) (8) (387) – – (1114) (584)
AURORA MODEL 481 PUMPSSINGLE-STAGE FIRE SERVICE
Section 912 Page 201Date June 2007
Supersedes Section 912 Page 201Dated February 2005
R RB
AD
D
A
A
AAV
WCP
4 – H DIAHOLES
SUCTION
4 – H DIAHOLES
KEYWAYAB WIDEAC DEEP
U
KEYWAYAB WIDEAC DEEP
BR RAD
U
AAV
WCP
A
A
D
ZZ PIPE TAPNEAR SIDE
DISCHARGE
1/2 PIPE TAP
VIEW A–A
VIEW A–A
O
Z
X
AW GA
E EAX
S
YY
SUCTION
LEFT HANDROTATION
RIGHT HANDROTATION
DISCHARGE
ZZ PIPE TAPNEAR SIDE
1/2 PIPE TAPXYY
S
AXA AW
E E G
Z
O
NOTES1. All dimensions are in inches (mm).2. Dimensions may vary ± 3/8" (10).3. Not for construction purposes unless certified.4. Suction & discharge flanges ANSI Standard flat face.
SUCTION
STD. 125# SUCTIONAND DISCHARGE
FLANGES
OPT. 125# SUCTIONFLANGE , 250# DIS-CHARGE FLANGE
OPT. 250# SUCTIONAND DISCHARGE
FLANGES
POWER
SERIES
* Pump sizes 6-481-11HH & 6-481-14HH are furnished as standardwith 125# suction flange and 250# discharge flange.
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AURORA MODEL 483 PUMPSSINGLE STAGE FIRE PUMPS
Section 912 Page 202Date April 2003Supersedes Section 912 Page 202Dated July 2001
CP
AGAPPROX.
BC
VE
A
P DIA.APPROX.
AAW
G
3/4 NPT DRAIN
SUCTION DISCHARGE
3/4 PIPE TAP
QUANTITY 8 H-DIA.HOLES ON HV DIA.BOLT CIRCLE
SECTION A-A (TOP VIEW)22-1/20
S Z
XYY
RIGHT HAND ROTATION
LEFT HAND ROTATIONSECTION A-A (TOP VIEW)
QUANTITY 8 H-DIA.HOLES ON HV DIA.BOLT CIRCLE
22-1/20
3/4 PIPE TAP
SUCTIONDISCHARGE
SZ
X YY
BASE 1 2 3A 18 22 30
(457) (559) (762)G 1-3/4 1-3/4 2
(44) (44) (51)H 3/4 3/4 7/8
(19) (19) (22)HW 16-1/4 20 28
(413) (508) (711)
NOTES1. All dimensions are in inches (mm).2. Dimensions may vary ± 3/8" (10).3. Not for construction purposes unless certified.
4. Suction and discharge flanges are ANSI standard flat face.5. Motor dimensions “AG” and “P” will vary based on
manufacturer and style of motor. Conduit box is shown inapproximate location
STANDARD OPTIONAL OPTIONAL125# SUCTION AND 125# SUCTION AND 250# SUCTION AND
DISCHARGE 250# DISCHARGE 250# DISCHARGEFLANGES FLANGES FLANGES
213H
P21
5HP
254H
P25
6HP
284H
P28
6HP
324H
P32
6HP
364H
P36
5HP
404H
P40
5HP
444H
P44
5HP
� �MOTORFRAME
PUMP SIZECASE
DISCH MODEL BORE BASE S W X Z BC VE YY2-1/2 483 10 3 2 1 4 13-1/2 9-3/4 4 8 13 10
(102) (343) (248) (102) (203) (330) (254)3 483 10 4 2 1 4-1/2 13-1/2 10 4-1/2 7-3/16 13 11
(114) (343) (254) (114) (183) (330) (279)4 483 11 5 3 2 5 14-1/2 11-1/4 5 8-5/16 14 12-3/4
(127) (368) (286) (127) (211) (356) (324)4 483 15 5 3 2 5-1/2 14-1/2 13 5-1/2 9 14 14
(140) (368) (330) (140) (229) (356) (356)5 483 11 6 4 2 5-1/2 16 11-1/4 5-1/2 8-3/4 15 13-1/4
(140) (406) (286) (140) (222) (381) (337)5 483 15 6 4 2 6-1/4 16 13-1/4 6-1/4 10-1/16 15 15
(159) (406) (337) (159) (256) (381) (381)5 483 17 6 4 2 6-1/4 16 14 6-1/4 10-1/16 15 15
(159) (406) (356) (159) (256 (381) (381)6 483 11 8 4 2 6-1/4 16 11-3/4 6-1/4 9-1/4 15 14-1/2
(159) (406) (298) (159) (935) (381) (368)6 483 15 8 5 3 6-3/4 18 14-1/4 6-3/4 11-5/16 17 16-3/4
(171) (457) (362) (171) (287) (432) (425)6 483 18 8 5 3 8 18 16 8 12-1/2 17 18
(203) (457) (406) (203) (318) (432) (457)6 483 20 8 5 3 8 18 15-3/4 8 12-15/16 17 18
(203) (457) (400) (203) (239) (432) (457)8 483 12 10 5 3 8 18 17 9 11-9/16 17 17-3/4
(203) (457) (432) (229) (294) (432) (451)8 483 17B 10 5 3 8 18 17 8 12-3/8 17 17-3/4
(203) (457) (432) (203) (314) (432) (451)
SUCTION
POWER
SERIES
P 10 11 12 12 14 14 16 16 21 21 22 22 24 24AG 18 18 20 22 23 24 37 37 40 40 45 45 43 43
�
30 30 30 30 32 32 32 32 32 32
30 30 30 30 32 32 32 32 32 32
33 33 35 35 35 35 35 35 35 35
33 35 35 35 35 35 35 35 35
35 35 37 37 37 37 37 37 37 37
37 37 37 37 37 37 37
37 37 37 37 37 37
35 37 37 37 37 37 37 37 37
41 41 41 41 41 41 41 41
41 41 41 41 41 41 41 41
41 41 41 41 41 41 41
41 41 41 41 41 41 41 41
41 41 41 41 41
CP
-
W
KEYWAY3/8 WIDE3/16 DEEP
V
U
AA
4 - HHOLES
AD R RB
CP
M
D
C DISCHARGEL
1/2 PIPE TAPS
DISCHARGE
1-1/4 PIPE TAPNEAR SIDE†
SUCTION
YY X
O
S
E EA G
Z
1/2 PIPE TAPS
1-1/4 PIPE TAPFAR SIDE†
DISCHARGE SUCTION
S
E EAG
Z
YYX
O
KEYWAY3/8 WIDE3/16 DEEP
AD R RB
4 - HHOLES
D
V
U
AA
C SUCTIONLW
CPM
RIGHT HAND ROTATION
LEFT HAND ROTATION
AURORA MODEL 485 PUMPSMULTI-STAGE FIRE SERVICE
Section 912 Page 203Date July 2009
Supersedes Section 912 Page 203Dated June 2008
NOTES1. All dimensions are in inches (mm).2. Dimensions may vary ± 3/8" (10).3. Not for construction purposes unless certified.4. Suction & discharge flanges ANSI Standard flat face.
PUMP SIZE RIGHT LEFTHAND HAND
CASE ROTATION ROTATIONDISCH MODEL BORE A B D E G H M O R S U V W W X Z AA AD CP YY
4 485 15 5 3 10 12 11 4-1/4 7/8 3/4 7-1/8 23 5 5 1-3/8 3 18-7/8 15-1/8 13 6-1/2 2 12 31 13-1/2(254) (304) (279) (108) (22) (19) (181) (584) (127) (127) (35) (76) (479) (384) (330) (165) (51) (304) (787) (343)
5 485 12 5 4A 15 16 14 6-1/2 1 7/8 6-5/8 24-1/4 7 7 1-1/2 3-5/8 20-7/8 18-1/8 13 7 2-1/2 12-1/2 35-3/8 13(381) (406) (356) (165) (25) (22) (168) (616) (179) (179) (38) (92) (530) (460) (330) (179) (64) (318) (899) (330)
5 485 15 6 4 12 14 12-1/2 5 1 7/8 9-1/8 24-1/2 6 5-1/2 1-1/2 3-1/2 21-1/8 16-7/8 15 7-1/2 2 13 34-1/2 15-7/16(304) (356) (318) (127) (25) (22) (232) (622) (152) (140) (38) (89) (537) (429) (381) (191) (51) (330) (876) (392)
6 485 12 6 5A 16 19 15 7 1 7/8 7-1/2 26-1/4 8-1/2 8 1-3/4 4 22-7/8 19-5/8 14 8 2-3/4 12-3/4 38-1/2 14(406) (483) (381) (179) (25) (22) (191) (667) (216) (203) (44) (102) (581) (498) (356) (203) (70) (324) (078) (356)
6 485 16/ 8 5 12 14 16.50 5 1 .88 10.50 33.50 6 8.25 1.75 4 23.63 18.38 19 7.75 2.88 15 37.88 1716B (305) (356) (419) (127) (25) (22) (267) (851) (152) (210) (44) (102) (600) (467 (483) (197) (73) (381) (962) (432)
6 485 17 8 5 12 14 14-3/4 5 1 7/8 11 28-1/4 6 7 1-3/4 4 24-1/2 17-1/2 16 9 2-7/8 15 38 16-1/2(304) (356) (375) (127) (25) (22) (279) (718) (152) (179) (44) (102) (622) (445) (406) (229) (73) (381) (965) (419)
SUCTION
STD. *125# SUCTIONFLANGE , *250# DIS-
CHARGE FLANGE
OPT. *250# SUCTIONAND DISCHARGE
FLANGES
POWER
SERIES
† Both sides for 5-485-12 and 6-485-12
* 150# AND 300# OR 300# AND 300# SUCTION ANDDISCHARGE DUCTILE IRON FOR 5-485-12 AND 6-485-12
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Section 912 Page 204Date July 2001
THIS PAGE LEFT INTENTIONALLY BLANK
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AURORA MODEL 491 PUMPSSINGLE STAGE FIRE SERVICE
Section 912 Page 211Date April 2003
Supersedes Section 912 Page 211Dated November 2000
KEYWAYAB WIDEAC DEEP
4 - H DIAHOLES
AD R R
B
D
A
ACP
W
V
AA
U
x
SUCTION
VIEW A-AA
E E G AW DISCHARGE
O
ZS
AX
YY X
1/2 PIPE TAP
ZZ PIPE TAP FAR SIDE
ZZ PIPE TAPNEAR SIDE X YY
OZ
AWG E E
AVIEW A-A
AX
SUCTION
S
1/2 PIPE TAPCP
KEYWAYAB WIDEAC DEEP
x
U
AA
V
W
AD R R
B
D
A
A
4 - H DIAHOLES
DISCHARGE
RIGHTHANDROTATION
LEFTHANDROTATION
PUMP SIZECASE
DISCH MODEL BORE A B D E G H O R S U V W X Z AA AB3 491 9C 5 14-1/2 14-1/2 12 6-1/4 1 7/8 18-7/8 6-1/4 6-1/8 1-1/8 3-5/16 14-5/8 11 6-1/8 2-1/2 1/4
(368) (368) (304) (159) (25) (22) (479) (159) (156) (28) (84) (371) (279) (155) (63) (6)4 491 8A 6 11 11 9-3/4 4-5/8 3/4 5/8 16-1/8 4-5/8 5-3/4 1-1/8 3-1/4 14-5/8 10 5-1/2 2-1/2 1/4
(279) (279) (245) (117) (25) (16) (410) (117) (146) (28) (83) (371) (254) (140) (63) (6)4 491 11A&C 6 14-1/2 14-1/2 13-3/4 6-1/4 1 7/8 22 6-1/4 6-7/8 1-1/2 3-1/2 16-5/8 11-1/4 7-1/8 2-3/8 3/8
(368) (368) (349) (159) (25) (22) (559) (159) (174) (38) (88) (422) (285) (180) (60) (9)4 491 14C 6 18 18 13-3/4 8 1-1/8 7/8 23-5/8 8 6-7/8 1-1/2 3-1/2 17-5/8 13 8-3/8 2-3/8 3/8
(457) (457) (349) (203) (28) (22) (600) (203) (174) (38) (88) (447) (330) (212) (60) (9)5 491 14A 8 18 18 16-1/4 8 1-1/8 7/8 27-1/16 8 8-1/4 1-1/2 3-1/2 17-5/8 13-1/2 9-3/4 2-3/8 3/8
(457) (457) (412) (203) (28) (22) (687) (203) (209) (38) (88) (447) (342) (247) (60) (9)5 491 18A 8 18 18 16-1/4 8 1-1/8 7/8 28-3/8 8 8-1/8 2-1/8 4-3/8 18-7/8 15 10-5/8 3-1/2 1/2
(457) (457) (412) (203) (28) (22) (720) (203) (206) (53) (111) (479) (381) (268) (88) (12)6 491 12A 6 14-1/2 14-1/2 13-3/4 6-1/4 1 7/8 22 6-1/4 6-7/8 1-1/2 3-1/2 16-5/8 20-1/2 7-1/8 2-3/8 3/8
(368) (368) (349) (159) (25) (22) (559) (159) (174) (38) (88) (422) (520) (180) (60) (9)6 491 14C 10 18 18 18-3/4 8 1-1/8 7/8 30-1/16 8 9-3/8 2-1/8 4-3/8 20-1/8 13-1/4 10 3-1/2 1/2
(457) (457) (476) (203) (28) (22) (763) (203) (238) (53) (111) (511) (337) (254) (88) (12)6 491 18C 10 22 22 18-3/4 10 1-1/8 7/8 32 10 9-3/8 2-1/8 4-3/8 20-1/8 16 11-3/4 3-1/2 1/2
(558) (558) (476) (254) (28) (22) (813) (254) (238) (53) (111) (511) (406) (295) (88) (12)6 491 19A 10 22 22 18-3/4 10 1-1/8 7/8 33-5/16 10 9-3/8 2-1/2 6 22-5/8 18 12-1/8 4 5/8
(558) (558) (476) (254) (28) (22) (846) (254) (238) (63) (152) (574) (457) (307) (101) (15)8 491 14A 12 22 22 21-1/2 10 1-1/8 7/8 33-5/8 10 10-3/4 2-1/8 4-3/8 20-1/2 16 10-3/4 3-1/2 1/2
(558) (558) (546) (254) (28) (22) (854) (254) (273) (53) (111) (520) (406) (273) (88) (12)8 491 18A 12 22 22 21-1/2 10 1-1/8 7/8 36 10 10-3/4 2-1/2 6 23-3/4 16 12-1/2 4 5/8
(558) (558) (546) (254) (28) (22) (914) (254) (273) (63) (152) (603) (406) (317) (101) (15)10 491 20 16 22 22 24 10 1-1/4 7/8 40-3/8 10 13 2-3/4 6-1/2 25-9/16 23 14-1/4 5 5/8
(558) (558) (609) (254) (31) (22) (1025) (254) (330) (69) (165) (649) (584) (361) (127) (15)
AC AD AW AX CP YY ZZ1/8 8-3/8 - - 25-15/16 12(3) (212) - - (658) (304)1/8 10 3/4 2-1/4 25-15/16 11-1/4(3) (254) (19) (57) (658) (285)3/16 10-3/8 - - 29-11/16 14 3/4(4) (263) - - (754) (355)3/16 9-5/8 - - 31-11/16 15-1/4(4) (244) - - (804) (387)3/16 9-5/8 - - 31-11/16 17-1/4(4) (244) - - (804) (438)1/4 10-7/8 - - 33-3/8 18-3/4(6) (276) - - (847) (476)3/16 10-3/8 - - 29-11/16 14(4) (263) - - (754) (355)1/4 12-1/8 - - 35-7/8 18(6) (308) (911) (457)1/4 10-1/8 - - 35-7/8 20(6) (263) (911) (508)5/16 12-5/8 - - 39-1/4 22 1(7) (320) - - (996) (558)1/4 10-1/2 - - 36-5/8 22(6) (266) - - (930) (558)5/16 13-3/4 - - 41-1/2 22(7) (349) - - (1054) (558)5/16 15-9/16 - 1-3/4 44-9/16 25(7) (395) - (44) (1131) (635)
NOTES1. All dimensions are in inches.2. Dimensions may vary ± 3/8".3. Not for construction purposes unless certified.4. Suction & discharge flanges ANSI Standard flat face.
SUCTION
STD. 125# SUCTIONAND DISCHARGE
FLANGES*
OPT. 125# SUCTIONFLANGE , 250# DIS-CHARGE FLANGE
OPT. 250# SUCTIONAND DISCHARGE
FLANGES
*STD. 125# SUCTION FLANGE, 250# DISCHARGE FLANGE FOR 6-491-12A AND 10-491-20
-
AURORA MODEL 492 PUMPSSINGLE STAGE FIRE SERVICE
Section 912 Page 212DateMarch, 16 2009Supersedes Section 912 Page 212Dated May 2004
PUMP SIZECASE
DISCH MODEL BORE A B D E G H O R S U V W X Z AA AB3 492 10A 4 12 11-1/2 10-1/2 5-1/8 2 5/8 17 4-7/8 5-1/2 1-1/16 3-7/8 16-1/2 10 5-1/2 3-3/8 1/4
(305) 292) (267) (130) (50) (16) (432) (124) (140) (27) (98) (419) (254) (140) (86) (6)
4 492 10 6 13 14 13 5-1/2 1 7/8 20-5/16 6 6-1/2 1-1/4 4 16-7/8 10-1/4 6-1/2 2-1/4 1/4(330) (355) (330) (139) (25) (22) (515) (152) (165) (31) (101) (428) (260) (165) (57) (6)
4 492 14 5 14 15 12-1/2 6 2 7/8 21-3/4 6-1/2 7-3/8 1-1/4 3-5/8 18-3/8 13-1/2 7-3/8 2-5/8 1/4(355) (381) (317) (152) (50) (22) (552) (165) (187) (31) (92) (466) (342) (187) (66) (6)
4 492 18 5 15 16 14-3/4 6-1/2 2 7/8 25-3/4 7 9-1/2 1-1/4 3-1/2 18-3/8 14 9-1/2 2-5/8 1/4(381) (406) (374) (165) (50) (22) (654) (177) (241) (31) (88) (466) (355) (241) (66) (6)
5 492 10 8 16-1/2 16-1/2 16 7 1 1-1/4 23-5/8 7 8 1-5/8 4-5/8 20 12-1/2 7 4-3/16 3/8(419) (419) (406) (177) (25) (31) (600) (177) (203) (41) (117) (508) (317) (177) (106) (9)
5 492 18 6 18 16 16 8 2-1/4 1 27-3/4 7 10 1-11/16 4-15/16 21 14 10 4-1/8 3/8(457) (406) (406) (203) (57) (25) (704) (177) (254) (42) (125) (533) (355) (254) (104) (9)
6 492 10 10 16-1/2 16-1/2 18 7 3/4 1-1/4 26-7/16 7 9 1-5/8 4-5/8 20-5/8 13 7-1/2 4-3/16 3/8(419) (419) (457) (177) (19) (31) (671) (177) (228) (41) (117) (523) (330) (190) (106) (9)
6 492 15 8 17-1/2 20 15-1/2 7-3/4 2-1/2 1 25-3/4 9 8-3/4 1-11/16 4-3/16 22-1/2 15.5 8-3/4 4-1/8 3/8(444) (508) (394) (197) (63) (25) (654) (228) (222) (42) (106) (571) (394) (222) (104) (9)
8 492 15 10 17-1/2 20 17-1/2 7-3/4 2-1/2 1 28-1/8 9 9-1/4 1-11/16 4-13/16 22-1/2 17 9-1/4 4-1/8 3/8(444) (508) (444) (196) (63) (25) (714) (228) (234) (42) (122) (571) (431) (234) (104) (9)
10 492 18 12 26 24 21-3/4 10-1/2 1-1/4 1-1/4 35-1/4 9-1/2 11-1/2 2 5-5/16 25-9/16 21 11-1/2 5 1/2(660) (609) (552) (266) (31) (31) (895) (241) (292) (50) (134) (649) (533) (292) (127) (12)
AC AD AW AX CP YY ZZ1/8 11-5/8 - - 29-3/16 10 1(3) (295) (741) (254)
1/8 10-7/8 - - 29-13/16 11(3) (276) - - (757) (279)1/8 11-7/8 - 3/8 33-3/16 14 3/4(3) (301) (9) (842) (355)1/8 11-3/8 - 1/4 33-1/4 14(3) (288) - (6) (844) (355)3/16 13 - - 35-1/2 13(4) (406) (902) (330)3/16 14 - 1/4 37-1/8 14(4) (355) - (6) (942) (355)3/16 13-5/8 - - 36-3/4 15(4) (346) - - (933) (381)3/16 13-5/8 - 3/4 40-1/4 15 1(4) (346) (19) (1022) (381)3/16 13-1/2 - 1/2 40-1/4 17(4) (342) - (12) (1022) (431)1/4 16-1/16 - - 45-13/16 21(6) (407) - - (1163) (533)
NOTES1. All dimensions are in inches.2. Dimensions may vary ± 3/8".3. Not for construction purposes unless certified.4. Suction & discharge flanges ANSI Standard flat face.
SUCTION
KEY WAYAB WIDEAC DEEP
U
AA
V
W
CP
AD R R
B
D
A
A
4 - H DIAHOLES
x
1/2 PIPE TAP
ZZ PIPE TAPFAR SIDE
RIGHTHANDROTATION
O
DISCHARGEAW
G
Z
EE
AVIEW A-A
AXSUCTION
S
YY X
ZZ PIPE TAPNEAR SIDE
1/2 PIPE TAP
S
AX
VIEW A-A
EEGAW
DISCHARGE
Z
X YY
O
A
SUCTION
LEFTHANDROTATION
CP
KEYWAYAB WIDEAC DEEP
x
U
V
W
AA
AD R R
B 4 - H DIAHOLES
A
D
A
STD. 125# SUCTIONAND DISCHARGE
FLANGES
OPT. 125# SUCTIONFLANGE , 250# DIS-CHARGE FLANGE
OPT. 250# SUCTIONAND DISCHARGE
FLANGES
-
AURORA MODEL 495 PUMPSMULTI-STAGE FIRE SERVICE
Section 912 Page 213DateMay 2004
Supersedes Section 912 Page 213Dated December 1999
NOTES1. All dimensions are in inches.2. Dimensions may vary ± 3/8".3. Not for construction purposes unless certified.4. Suction & discharge flanges ANSI Standard flat face.
PUMP SIZE RIGHT LEFTHAND HAND
CASE ROTATION ROTATIONDISCH MODEL BORE A B D E G H M O R S U V W W X Z
5 495 15 6 20 24 17 9 2 7/8 11 27-3/4 11 9 1-11/16 5-7/16 28-3/8 23-3/8 15 9(508) (609) (431) (228) (50) (22) (279) (704) (279) (228) (42) (138) (720) (593) (381) (228)
6 495 17 8 22 27 17-1/2 9-3/4 2-1/2 1-1/8 13 35-3/8 12 9 2-1/4 4-5/8 31-5/8 25-1/8 16-1/2 10-1/2(558) (685) (444) (247) (63) (28) (330) (898) (304) (228) (57) (117) (803) (638) (419) (266)
AA AB AC AD CP YY4 3/8 3/16 14-7/8 46-7/8 15
(101) (9) (4) (377) (1190) (381)4-1/4 1/2 1/4 16-3/8 52-1/2 16-1/2(107) (12) (6) (415) (1333) (419)
SUCTION
KEYWAYAB WIDEAC DEEP
VAA
WCP
M
C DISCHARGEL
4 - HHOLES
AD R R
B
U
D
O
S
SUCTION E EA
YY
1/2 PIPE TAPS
X
DISCHARGE
Z
C 1 PIPE TAPNEAR SIDE
1/2 PIPE TAPS
X YY
Z
DISCHARGEG
1 PIPE TAPFAR SIDE
E EA
O
S
SUCTION
D
RR
B
AD
4 - HHOLES
C SUCTIONL
M
CP
W
VAA
U
KEYWAYAB WIDEAC DEEP
RIGHT HAND ROTATION
LEFT HAND ROTATION
STD. 125# SUCTIONFLANGE , 250# DIS-CHARGE FLANGE
OPT. 250# SUCTIONAND DISCHARGE
FLANGES
-
Section 912 Page 214Date December 1999
THIS PAGE LEFT INTENTIONALLY BLANK
-
AURORA MODEL 481 PUMPSON STANDARD STEEL BASE
DISCH MODEL CASE BORE 2-1/2 481 10B 3 8 4 13-1/2 9-3/4 4 20 5 10
(203) (102) (343) (247) (102) (609) (127) (254) 3 481 10 4 9* 4-1/2 13-1/2 10 4-1/2 24 5 11
(228) (114) (343) (254) (114) (609) (127) (279) 4 481 10+ 5 14-1/2 11-1/4 5 26 6 12-3/4
(254) (127) (368) (286) (127) (660) (152) (324) 4 481 11D 5 10+ 5 14-1/2 12 5 26 6 12-3/4
(254) (127) (368) (305) (124) (660) (152) (324) 4 481 15 5 11 5-1/2 14-1/2 13 5-1/2 26 6 14
(279) (140) (368) (330) (140) (660) (152) (355) 5 481 11** 5-1/2 16 11-1/4 5-1/2 28-1/2 6 13-1/4
(279) (140) (406) (286) (140) (723) (152) (336) 5 481 15 6 12-1/2 6-1/4 16 13-1/4 6-1/4 26-1/2 6 15
(217) (159) (406) (336) (159) (673) (152) (381) 5 481 17 6 12-1/2 6-1/4 16 14 6-1/4 28-1/2 6 15
(217) (159) (406) (355) (159) (723) (152) (381) 6 481 11 8 12-1/2 6-1/4 16 11-3/4 6-1/4 28-1/2 6 14-1/2
(217) (159) (406) (298) (159) (723) (152) (368) 6 481 11HH 8 16-1/2 8-5/8 18-1/2 10 8-5/8 32-7/8 8 15
(419) (219) (460) (254) (219) (835) (203) (381) 6 481 14HH 8 16-1/2 7-1/2 20-1/2 15 7-1/2 36-3/4 8 17
(419) (191) (519) (381) (191) (933) (203) (431) 6 481 13-1/2 6-3/4 18 14-1/4 6-3/4 32 7 16-3/4
(343) (171) (457) (368) (171) (812) (178) (425) 6 481 14-3/4 8 18 16 8 32 7 18
(374) (203 (457) (406) (203) (812) (178) (457) 6 481 20 8 14-3/4 8 18 15-3/4 8 32 7 18
(374) (203) (457) (400) (203) (812) (178) (457) 8 481 12 10 14-3/4 8 18 17 9 32 7 17-3/4
(374) (203) (457) (431) (228) (812) (178) (450) 8 481 17B 10 14-3/4 8 18 17 8 32 7 17-3/4
(374) (203) (457) (431) (203) (812) (178) (450) 8 481 18-1/2 9-1/2 21-7/8 18 9-1/2 38 11 21
(470) (241) (555) (457) (241) (964) (279) (533) 10 481 15C 12 25 13-1/2 21-7/8 17 13-1/2 38 11 20
(635) (343) (555) (431) (343) (964) (279) (508) 10 481 18 12 25 13-1/2 21-7/8 18 13-1/2 38 11 22
(635) (343) (555) (457) (343) (964) (279) (558) 10 481 18D 12 25 12-1/4 24-1/4 20 12-1/4 43 11-1/2 24
(635) (311) (616) (508) (311) (1092) (292) (610) 12 481 18A 14 24 15 25-1/4 18 15 44 11 23
(609) (381 (615) (457) (381) (1117) (279) (584)
PUMP SIZE
BASE
D S W X Z CP HY YY ZZ APPROX
BASE
21
BASE
BASE
23
22
28
28
29
30
30
18
7A
7
2
1-1/4
2
BASE
38
36
40
40
44
33
32
35
34
21 21A
10
5
6B
15B 15C
18B 18C
8
8
3
4A
5A
BASE
2
4 1-1/4
BASE
BASE
BASE
11A 11C
11B 11C
6
5
BASE
BASE
BASE
BASE
BASE
BASE
7
BASE
BASE
BASE
BASE
BASE
BASE
-
7
7
7
5
5
7
7
7
7
7
7
7
9
9
9
9
-
10
10
10
10
7
7
9
9
9
10
10
10
10
11
11
11
11
11
9
9
11
11
11
11
11
11
11
12
12
12
12
12
11
11
11
11
29
26
11
11
26
25
11
25
24
24
11
11
11
11
11
12
OPTIONAL 250# SUCTION AND DISCHARGE FLANGES
STANDARD 125# SUCTION AND DISCHARGE FLANGES
OPTIONAL 125# SUCTION FLANGE, 250# DISCHARGE
FLANGE
MOTOR FRAME
11
12
12
12
12
12
12
12
12
12
11
11
11
11
11
12
12
12
12
12
10
10
11
11
11
12
12
12
12
12
12
12
12
12
11
11
11
11
11
12
12
12
12
12
12
12
12
12
10
10
11
11
11
12
12
12
12
12
12
12
12
12
11
11
11
11
11
12
12
12
12
12
12
12
12
12
11
11
11
11
11
12
12
12
12
12
12
12
12
12
14
11
11
12
12
12
12
12
12
12
12
12
12
12
12
14
11
11
12
12
12
12
12
12
12
13
13
13
13
13
13
14
14
14
12
12
12
12
12
12
12
12
12
13
13
13
13
13
14
14
14
-
-
15
15
15
15
15
15
15
15
15
15
15
15
15
15
16
16
16
-
-
15
15
15
15
15
15
15
-
-
15
15
15
15
15
16
16
16
16
-
-
15
15
15
15
15
15
15
15
16
15
15
15
15
15
16
16
16
16
-
-
15
15
15
15
15
15
15
-
-
16
16
16
16
16
16
16
16
16
-
-
15
-
-
15
15
15
15
16
16
16
16
16
16
16
16
16
16
16
16
-
-
15
-
-
15
15
15
15
-
-
16
16
16
16
16
16
16
16
17
-
-
15
-
-
15
15
15
15
16
16
16
16
16
16
16
16
16
16
16
17
-
-
-
-
-
15
15
15
15
-
-
16
16
16
16
16
17
17
17
17
16
16
17
9 9 9
9 9 9
11 11 11
C
Section 912 Page 231Date September 9, 2011
Supersedes Section 912 Page 231Dated April 1, 2008
© 2011 Pentair Pump Group, Inc.
BASE HA HB HE HG HH HF HP5 12 38 9 3 1/2 17 20
(305) (964) (228) (76) (13) (431) (508)7 13 42 10 4 5/8 17 24
(330) (1066) (254) (101) (15) (431) (609)9 15 44 12 3-3/8 5/8 19 24
(381) (1117) (305) (86) (15) (482) (609)10 18 44 15 4 5/8 42 1
(457) (1117) (381) (101) (15) (1066) (25)11 18 48 15 4 5/8 46 1
(457) (1219) (381) (101) (15) (1168) (25)12 18 54 15 4 5/8 52 1
(457) (1371) (381) (101) (15) (1320) (25)13 18 60 15 4 5/8 35 24
(457) (1524) (381) (101) (15) (888) (609)14 18 65 15 4 5/8 40 24
(457) (1651) (381) (101) (15) (1015) (609)15 22 60 19 4 5/8 58 1
(558) (1524) (482) (101) (15) (1473) (25)16 22 72 19 4 5/8 70 1
(558) (1828) (482) (101) (15) (1778) (25)17 22 84 19 4 5/8 82 1
(558) (2133) (482) (101) (15) (2082) (25)
NOTES1. All dimensions are in inches.2. Dimensions may vary ± 3/8".3. Not for construction purposes unless certified.4. Coupling gap may vary 1/8" thru 2-1/16".5. Conduit box is shown in approximate location. Dimensions are
not specifed as they vary with each motor manufacturer.6. Suction and discharge flanges are ANSI standard flat face.
* D is 10-1/2” when using frames 324TS - 365TS.** D is 12 when using frames 404TS - 445TS.*** Pump sizes 6-481-11HH & 6-481-14HH are furnished as standard
with 125# suction flange & 250# discharge flange.+D is 10-1/2” when using frames 404TS - 405T and D is 11 when using frames 444TS - 445TS.
-
STANDARD* OPTIONAL*125# SUCTION AND 250# SUCTION AND
250# DISCHARGE FLANGE DISCHARGE FLANGES
AURORA MODEL ### PUMPSXXXX STAGE XXXXX
Section 912 Page 232Date August 1998Supersedes Section 912 Page232
AURORA MODEL 485 PUMPSON STANDARD STEEL BASE
Section 912 Page 232Date July 2009Supersedes Section 912 Page 252Dated June 2008
BASE SIZE HA HB HE HF HH HP12 18x54 18 54 15 52 5/8 1
(558) (457) (1372) (381) (1321) (16) (25)13 18x60 18 60 15 35 5/8 24
(660) (457) (1524) (381) (889) (16) (609)15 22x60 22 60 19 58 3/4 1
(660) (559) (1524) (483) (1473) (19) (25)16 22x72 22 72 19 70 5/8 1
(660) (559) (1829) (483) (1777) (16) (25)17 22x84 22 84 19 80 5/8 1
(660) (559) (2134) (483) (2083) (16) (25)
PUMP SIZE RIGHT LEFT RIGHT LEFT26 27 28 30 33 32 36 34 36 39 45HAND HAND HAND HAND
DISCHMODELROTATION ROTATION ROTATION ROTATION
D M S W W X Z CP HY HY YY C4 485 15 5 3 11 7-1/8 5 18-7/8 15-1/8 13 6-1/2 31 4-1/8 7-7/8 13-1/2 BASE 12 12 12 12 12 12 15 15 15 15 15
(279) (181) (127) (479) (384) (330) (165) (787) (105) (200) (343)5 485 12 5 4A 14 6-5/8 7 20-7/8 18-1/8 13 7 35-3/8 11-1/8 13-7/8 13 BASE 16 16 16 16 17 17
(356) (168) (178) (530) (460) (330) (178) (889) (283) (352) (330)5 485 15 6 4 12-1/2 9-1/8 5-1/2 21-1/8 16-7/8 15 7-1/2 34-1/2 4-7/8 9-1/8 15-7/16 BASE 12 12 12 12 12 13 15 15 15 15 15 16
(317) (232) (140) (536) (428) (381) (190) (876) (124) (232) (392)6 485 12 6 5A 15 7-1/2 8 22-7/8 19-5/8 14 8 38-1/2 10-7/8 14-1/8 14 BASE 16 16 16 17 17
(381) (191) (203) (581) (498) (356) (203) (978) (276) (359) (356)6 485 16/ 8 5 16.5 10.5 8.25 23.63 18.38 19 7.75 37.88 5 10.25 17 BASE 13 13 16 16 16 16 16 16 16 17
16B (419) (267) (210) (600) (467) (483) (197) (962) (127) (260) (432)6 485 17A 8 5 14-3/4 11 7 24-1/2 17-1/2 16 9 38 3-1/2 10-1/2 16-1/2 BASE 13 13 13 13 13 13 15 15 15 16 16 16
(374) (279) (178) (622) (444) (406) (228) (964) (89) (266) (419)
SUCTION
326T
S32
6T36
4TS
364T
365T
S36
5T40
4TS
404T
405T
S40
5T44
4TS
445TS
447T
S44
9TS
(660
)(7
11)
(685
)(7
36)
(711
)(7
61)
(761
)(8
38)
(812
)(9
14)
(863
)(9
14)
(991
)(1
143)
POWER
SERIES
CASE
BORE
MOTORFRAME
NOTES1. All dimensions are in inches (mm).2. Dimensions may vary ± 3/8" (10).3. Not for construction purposes unless certified.4. Coupling gap may vary 1/8" thru 1".
5. Conduit box is shown in approximate location. Dimensions arenot specifed as they vary with each motor manufacturer.
6. Suction and discharge flanges are ANSI standard flat face.
* 150# AND 300# OR 300# AND 300# SUCTION ANDDISCHARGE DUCTILE IRON FOR 5-485-12 AND 6-485-12
†
†
†
-
AURORA MODEL 491 PUMPSON STANDARD STEEL BASE
Section 912 Page 241Date February 2005Supersedes Section 912 Page 261
Dated April 2003
PUMP SIZE 21 23 22 24 24 25CASE C
DISCH MODEL BORE D S W X Z CP HY YY ZZ APPROX3 491 9C 5 12 6-1/8 14-5/8 11 6-1/8 25-15/16 10 12 3/4 BASE 11 11 11 12 12 12
(304) (155) (371) (279) (155) (658) (254) (304)4 491 8A 6 11 5-3/4 14-5/8 10 5-1/2 25-15/16 8 11-1/4 3/4 BASE 11 11 11 11 11 11
(279) (146) (371) (254) (140) (698) (203) (286)4 491 11A&C 6 13-3/4 6-7/8 16-5/8 11-1/4 7-1/8 29-11/16 10 14 3/4 BASE 12 12 12 12 12 12
(349) (174) (422) (285) (180) (754) (254) (355)4 491 14C 6 13-3/4 6-7/8 17-5/8 13 8-3/8 31-11/16 12 15-1/4 3/4 BASE - - - - - -
(349) (174) (447) (330) (212) (804) (304) (387)5 491 14A 8 16-1/4 8-1/4 17-5/8 13-1/2 9-3/4 31-11/16 12 17-1/4 1 BASE - - - - 15 15
(412) (209) (447) (342) (247) (804) (304) (438)5 491 18A 8 16-1/4 8-1/8 18-7/8 15 10-5/8 33-3/8 12 18-3/4 1 BASE - - - - - -
(412) (206) (479) (381) (269) (847) (304) (476)6 491 12A 6 13-3/4 6-7/8 16-5/8 20-1/2 7-1/8 29-11/16 10 14 1 BASE 12 12 12 12 12 12
(349) (174) (422) (520) (180) (754) (254) (355)6 491 14C 10 18-3/4 9-3/8 20-1/8 13-1/4 10 35-7/8 12 18 1 BASE - 15 15 15 15 15
(476) (238) (511) (336) (254) (911) (304) (457)6 491 18C 10 18-3/4 9-3/8 20-1/8 16 11-3/4 35-7/8 13-1/2 20 1 BASE - - - - 21 21
(476) (238) (511) (406) (298) (911) (342) (508)6 491 19A 10 18-3/4 9-3/8 22-5/8 18 12-1/8 39-1/4 13-1/2 22 1 BASE - - - - - -
(476) (238) (574) (457) (307) (996) (342) (558)8 491 14A 12 21-1/2 10-3/4 20-1/2 16 10-3/4 36-5/8 13-1/2 22 1 BASE - - - - - -
(546) (273) (520) (406) (273) (930) (342) (558)8 491 18A 12 21-1/2 10-3/4 23-3/4 16 12-1/2 41-1/2 13-1/2 22 1 BASE - - - - - -
(546) (273) (603) (406) (317) (1054) (342) (558)10 491 20 16 24 13 25-9/16 23 14-1/4 44-9/16 15 25 1 BASE - - - - - -
(609) (330) (649) (584) (361) (1131) (381) (635)
25 26 26 28 29 29 28 30 30 33 32 35 34 38 36 40 40 44 45 49[[;;;;;;;
12 12 12 12 12 12 12 12 - - - - - - - - - - - -
12 12 12 12 12 12 12 12 - - - - - - - - - - - -
12 12 12 13A 13A 13A 13A 13A 15 15 15 16 16 16 16 16 - - - -
15 15 15 15 15 15 15 15 - - - - - - - - - - - -
15 15 15 15 15 15 15 15 16 16 16 16 - - - - - - - -
- - - - 15 15 15 15 16 16 16 16 16 16 16 16 - - - -
12 12 12 12 13A 13A 13A 13A 15 15 15 16 16 16 - - - - - -
15 15 15 15 16 16 16 16 16 16 16 16 16 16 - - - - - -
21 21 21 21 21 21 21 21 21 21 22 22 22 22 22 22 22 22 23 23
- - - - - - - - - - - - - - 22 22 22 22 23 23
- - - - - - - - 22 22 22 22 22 22 22 22 - - - -
- - - - - - - - - - 22 22 22 22 22 22 23 23 23 23
- - - - - - - - - - - - - - - - - 23 23 24 24
SUCTION
STANDARD* OPTIONAL OPTIONAL125# SUCTION AND 125# SUCTION FLANGE, 250# SUCTION ANDDISCHARGE FLANGES 250# DISCHARGE FLANGE DISCHARGE FLANGES
MOTORFRAME 25
4T25
6T28
4TS
284T
286T
S28
6T32
4TS
324T
326T
S32
6T36
4TS
364T
365T
S36
5T40
4TS
404T
405T
S40
5T44
4TS
444T
445T
S44
5T44
7TS
447T
449T
S44
9T
COUPLING GUARD CP
HH FOUNDATIONBOLTS (4)
HF
HB
HY
HP
WC APPROX.
A
A
SUCTION
1 - 1/2(38)
1 - 1/2(38)
HG
D
Z
DISCHARGE
XYY
S
HE
HA
ZZ PIPE TAP NEAR SIDE
X YY
DISCHARGE
D
Z
HG
HE
HA
SUCTION
S
ZZ PIPE TAP FAR SIDE
VIEW A-A VIEW A-A
RIGHT HAND ROTATION LEFT HAND ROTATION
1 - 1/2(38)
1 - 1/2(38)
� � �
(533
)(584
)(558
)(609
)(609
)(635
)(635
)(660
)(660
)(711
)(736
)(736
)(711
)(762
)(762
)(838
)(812
)(889
)(863
)(965
)(914
)(1016)
(1016)
(1117
)(11
43)
(124
4)
BASE HA HB HE HG HH HF HP11 18 48 15 4 5/8 46 1
(457) (1219) (381) (101) (15) (1168) (25)12 18 54 15 4 5/8 52 1
(457) (1371) (381) (101) (15) (1320) (25)13A 18 60 15 4 5/8 58 1
(457) (1524) (381) (101) (15) (1473) (25)14A 18 65 15 4 5/8 63 1
(457) (1651) (381) (101) (15) (1600) (25)15 22 60 19 4 5/8 58 1
(558) (1524) (482) (101) (15) (1473) (25)16 22 72 19 4 5/8 70 1
(558) (1828) (482) (101) (15) (1778) (25)21 24 66 21 4 5/8 64 1
(609) (1676) (533) (101) (15) (1625) (25)22 24 78 21 4 5/8 76 1
(609) (1981) (533) (101) (15) (1930) (25)23 26 84 23 4-1/2 5/8 82 1
(660) (2133) (584) (114) (15) (2082) (25)24 26 96 23 4-1/2 5/8 94 1
(660) (2438) (584) (114) (15) (2387) (25)
NOTES1. All dimensions are in inches.2. Dimensions may vary ± 3/8".3. Not for construction purposes unless certified.4. Coupling gap may vary 1/8" thru 3".5. Conduit box is shown in approximate location. Dimensions
are not specifed as they vary with each motor manufacturer.6. Suction and discharge flanges are ANSI standard flat face.7. Structural steel bases are used for pumps with motor farmes
larger than 449T (refer to factory)
*STD 125# SUCTION FLANGE AND250# DISCHARGE FLANGEFOR 6-491-12AAND 10-491-20
-
AURORA MODEL 492 PUMPSON STANDARD STEEL BASE
Section 912 Page 242DateMarch 2009Supersedes Section 912 Page 262Dated February 2005
PUMP SIZE 21 23 22 24 24 25 25 26 26 28 29 29 28 30 30 33 32 35 34 38 36 40 40 44 45 49
CASE CDISCH MODEL BORE D S W X Z CP HY YY ZZ APPROX
3 492 10A 4 10-1/2 5-1/2 16-1/2 10 5-1/2 29-3/16 7 10 1 BASE 11 11 11 11 11 11 12 12 12 12 12 12 12 12 - - - - - - - - - - - -(267) (140) (419) (254) (140) (757) (178) (254)
4 492 10 6 13 6-1/2 16-7/8 10-1/4 6-1/2 29-13/16 10 11 3/4 BASE - - - - - - 13A 13A 13A 13A 13A 13A 13A 13A 15 15 15 16 - - - - - - - -(330) (165) (428) (260) (165) (757) (254) (279)
4 492 14 5 12-1/2 7-3/8 18-3/8 13-1/2 7-3/8 33-3/16 10 14 3/4 BASE - 12 12 12 13A 13A 13A 13A 13A 13A - - - - - - - - - - - - - - - -(317) (187) (466) (342) (187) (842) (254) (355)
4 492 18 5 14-3/4 9-1/2 18-3/8 14 9-1/2 33-1/4 11 14 3/4 BASE - - - - - - - - 13A 13A 13A 13A 14A 14A 16 16 - - - - - - - - - -(374) (241) (466) (355) (241) (844) (279) (355)
5 492 10 8 16 8 20 12-1/2 7 35-1/2 11 13 1 BASE 12 12 15 15 15 15 15 15 15 15 15 15 15 15 16 16 16 16 16 16 16 16 - - - -(406) (203) (508) (317) (178) (902) (279) (330)
5 492 18 6 16 10 21 14 10 37-1/8 11 14 1 BASE - - - - - - - - 15 15 15 15 16 16 16 16 16 16 - - - - - - - -(406) (254) (533) (355) (254) (942) (279) (355)
6 492 10 10 18 9 20-5/8 13 7-1/2 36-3/4 11 15 1 BASE - - - - - - - - - - - - - - 16 16 16 16 16 16 16 16 16 16 - -(457) (228) (523) (330) (190) (933) (279) (381)
6 492 15 8 15-1/2 8-3/4 22-1/2 15 8-3/4 40-1/4 13 15-1/2 1 BASE - - - - 15 15 16 16 16 16 16 16 16 16 16 16 16 16 - - - - - - - -(394) (222) (571) (381) (222) (1022) (330) (394)
8 492 15 10 17-1/2 9-1/4 22-1/2 17 9-1/4 40-1/4 13 17 1 BASE - - - - - - - - 16 16 16 16 16 16 16 16 16 16 16 16 - - - - - -(444) (234) (571) (431) (234) (1022) (330) (431)
10 492 18 12 21-3/4 11-1/2 25-9/16 21 11-1/2 45-13/16 15 21 1 BASE - - - - - - - - - - - - - - - - - - - - - - 23 23 24 24(552) (292) (649) (533) (292) (1163) (381) (533)
SUCTION
STANDARD OPTIONAL OPTIONAL125# SUCTION AND 125# SUCTION FLANGE, 250# SUCTION ANDDISCHARGE FLANGES 250# DISCHARGE FLANGE DISCHARGE FLANGES
MOTORFRAME 25
4T25
6T28
4TS
284T
286T
S28
6T32
4TS
324T
326T
S32
6T36
4TS
364T
365T
S36
5T40
4TS
404T
405T
S40
5T44
4TS
444T
445T
S44
5T44
7TS
447T
449T
S44
9T
COUPLING GUARD CP
HH FOUNDATIONBOLTS (4)
HF
HB
HY
HP
WC APPROX.
A
A
SUCTION
1 - 1/2(38)
1 - 1/2(38)
HG
D
Z
DISCHARGE
XYY
S
HE
HA
ZZ PIPE TAP NEAR SIDE
X YY
DISCHARGE
D
Z
HG
HE
HA
SUCTION
S
ZZ PIPE TAP FAR SIDE
VIEW A-A VIEW A-A
RIGHT HAND ROTATION LEFT HAND ROTATION
1 - 1/2(38)
1 - 1/2(38)
� � �(533
)(584
)(558
)(609
)(609
)(635
)(635
)(660
)(660
)(711
)(736
)(736
)(711
)(762
)(762
)(838
)(812
)(889
)(863
)(965
)(914
)(1016)
(1016)
(1117
)(11
43)
(124
4)
BASE HA HB HE HG HH HF HP11 18 48 15 4 5/8 46 1
(457) (1219) (381) (101) (15) (1168) (25)12 18 54 15 4 5/8 52 1
(457) (1371) (381) (101) (15) (1320) (25)13A 18 60 15 4 5/8 58 1
(457) (1524) (381) (101) (15) (1473) (25)14A 18 65 15 4 5/8 63 1
(457) (1651) (381) (101) (15) (1600) (25)15 22 60 19 4 5/8 58 1
(558) (1524) (482) (101) (15) (1473) (25)16 22 72 19 4 5/8 70 1
(558) (1828) (482) (101) (15) (1778) (25)17 22 84 19 4 5/8 82 1
(558) (2133) (482) (101) (15) (2082) (25)23 26 84 23 4-1/2 5/8 82 1
(660) (2133) (584) (114) (15) (2082) (25)24 26 96 23 4-1/2 5/8 94 1
(660) (2438) (584) (114) (15) (2387) (25)
NOTES1. All dimensions are in inches.2. Dimensions may vary ± 3/8".3. Not for construction purposes unless certified.4. Coupling gap may vary 1/8" thru 3".5. Conduit box is shown in approximate location. Dimensions
are not specifed as they vary with each motor manufactur-er.
6. Suction and discharge flanges are ANSI standard flat face.7. Structural steel bases are used for pumps with motor
farmes larger than 449T (refer to factory)
-
AURORA MODEL 495 PUMPSON STANDARD STEEL BASE
Section 912 Page 243Date October 2005
Supersedes Section 912 Page 263Dated February 2005
PUMP SIZE RIGHT LEFT RIGHT LEFTCASE HAND HAND HAND HAND C
DISCH MODEL BORE D M S W W X Z CP HY HY YY ZZ APPROX5 495 15 6 17 11 9 28-3/8 23-3/8 15 9 46-7/8 13-1/2 18-1/2 15 1 BASE
(431) (279) (228) (720) (593) (381) (228) (1190) (342) (469) (381) (25)6 495 17 8 17-1/2 13 9 31-5/8 25-1/8 16-1/2 10-1/2 52-1/2 12-3/4 19-1/4 16-1/2 1 BASE
(444) (330) (228) (803) (638) (419) (266) (1333) (323) (488) (419) (25)
17 17 17 17 - - - - - - - -
- - - - 23 23 23 23 24 24 24 24
SUCTION
MOTORFRAME 40
4TS
404T
405T
S40
5T44
4TS
444T
445T
S44
5T44
7TS
447T
449T
S44
9T
NOTES1. All dimensions are in inches.2. Dimensions may vary ± 3/8".3. Not for construction purposes unless certified.4. Coupling gap may vary 1/8" thru 3".
5. Conduit box is shown in approximate location. Dimensionsare not specifed as they vary with each motor manufacturer.
6. Suction and discharge flanges are ANSI standard flat face.
BASE HA HB HE HG HH HF HP17 22 84 19 4 5/8 82 1
(558) (2133) (482) (101) (15) (2082) (25)23 26 84 23 4-1/2 5/8 82 1
(660) (2133) (584) (114) (15) (2082) (25)24 26 96 23 4-1/2 5/8 94 1
(660) (2438) (584) (114) (15) (2387) (25)
COUPING GUARD
C APPROX.
HH FOUNDATIONBOLTS (4) HY
CP
WM
DISCHARGECENTERLINE
A
A
HPHF
HB
SUCTION
S
YY
ZZ PIPE TAP NEAR SIDE
X
DISCHARGE
Z
D
HG
HE
HA
ZZ PIPE TAP NEAR SIDEX YY
SUCTION
S
D
HG
HE
HA
DISCHARGE
Z
A
SUCTIONCENTERLINE
CP
W M
HY
HP
A
COUPLING GUARD
C APPROX.
HH FOUNDATIONBOLTS (4)
HF
HB
RIGHT HAND ROTATION
VIEW A-A
VIEW A-A
LEFT HAND ROTATION
1 - 1/2(38)
1 - 1/2(38)
1 - 1/2(38)
1 - 1/2(38)
STANDARD125# SUCTION FLANGE,250# DISCHARGE FLANGE�
(762
)(838
)(812
)(889
)(863
)(965
)(914
)(1016)
(1016)
(1117
)(11
43)
(124
4)
30 33 32 35 34 38 36 40 40 44 45 49
OPTIONAL250# SUCTION ANDDISCHARGE FLANGE�
-
Section 912 Page 244Date February 2005Supersedes Section 912 Page 264Dated December 1999
THIS PAGE LEFT INTENTIONALLY BLANK
-
AURORA 481 PUMPSON STEEL DRIP RIM BASE
BASE SIZE HA HB HE HF HG HH HK HP5 11x36 11 (279) 36-1/2 (926) 15-7/8 (403) 35-1/8 (891) 3 (76) 1/2 (13) 1-1/2 (38) 11/16 (17)6 11x42 11 (279) 42-1/2 (1079) 15-7/8 (403) 41-1/8 (1044) 3 (76) 1/2 (13) 1-1/2 (38) 11/16 (17)8 14x42 14 (355) 42-1/2 (1079) 19 (482) 41 (1041) 3 (76) 5/8 (16) 1-1/2 (38) 3/4 (19)9 14x48 14 (355) 48-1/2 (1231) 19 (482) 47 (1193) 3 (76) 5/8 (16) 1-1/2 (38) 3/4 (19)11 18x46 18 (457) 46-1/2 (1180) 25-1/8 (638) 44-7/8 (1139) 4 (102) 3/4 (19) 2 (51) 13/16(21)12 18x54 18 (457) 54-1/2 (1383) 25-1/8 (638) 52-7/8 (1342) 4 (102) 3/4 (19) 2 (51) 13/16 (21)13 18x64 18 (457) 64-1/2 (1637) 25-1/8 (638) 62-7/8 (1593) 4 (102) 3/4 (19) 2 (51) 13/16 (21)15 22x54 22 (558) 54-1/2 (1383) 29-1/8 (739) 52-7/8 (1342) 4-1/2 (114) 3/4 (19) 2 (51) 13/16 (21)16 22x64 22 (558) 64-1/2 (1637) 29-1/8 (739) 62-7/8 (1593) 4-1/2 (114) 3/4 (19) 2 (51) 13/16 (21)17 22x74 22 (558) 74-1/2 (1891) 29-1/8 (739) 72-7/8 (1850) 4-1/2 (114) 3/4 (19) 2 (51) 13/16 (21)18 22x82 22 (558) 82-1/2 (2094) 29-1/8 (739) 80-7/8 (2053) 4-1/2 (114) 3/4 (19) 2 (51) 13/16 (21)
NOTES1. All dimensions are in inches (mm).2. Dimensions may vary ± 3/8" (10).3. Not for construction purposes unless certified.4. Coupling gap may vary 1/8" (3) thru 1" (25).
5. Conduit box is shown in approximate location.Dimensions are not specifed as they varywith each motor manufacturer.
6. Suction and discharge flanges are ANSIstandard flat face.
7. Three grout holes are provided in top of base.
+ D is 9” (228) when using frames 364TS-365TS* D is 10-1/2” (266) when using frames
324TS-365TS** D is 12” (305) when using frames
404TS-445TS*** Pump sizes 6-481-11HH & 6-481-14HH arefurnished as standard with 125# suctionflange and 250# discharge flange.
Section 912 Page 261Date June 1, 2007
Supersedes Section 912 Page 261Dated October 2006
CAPPROX.
CPW
HFHB
HYHP
HG
HK
S
YY X
ZD
HP
HA
HE
HG
HK
S
YYX
ZD
HPHP
HA
HEHP
COUPLING GUARD
HH FOUNDATIONBOLTS (4)
ZZ PIPE TAP FAR SIDE
SUCTIONDISCHARGE
ZZ PIPE TAP NEAR SIDE
SUCTIONDISCHARGE
1/2 NPSF DRAINS (2)
1/2 PIPE TAP
1/2 NPSF DRAINS (2)A
A
VIEW A-A VIEW A-A
RIGHT HAND ROTATION LEFT HAND ROTATION
DISCH MODEL CASEBORE
2-1/2 481 10B 3 8+ 4 13-1/2 9-3/4 4 24 5 1/2 10(203) (102) (343) (247) (102) (609) (127) (254)
3 481 10 4 9* 4-1/2 13-1/2 10 4-1/2 24 5-1/2 11(228) (114) (343) (254) (114) (609) (140) (279)
4 481 10 5 14-1/2 12 5 26 6-1/2 12-3/4(254) (127) (368) (305) (124) (660) (165) (324)
4 481 11D 5 11 5-1/2 14-1/2 13 5-1/2 26 6-1/2 12-3/4(279) (140) -368 (330) (140) (660) (165) (324)
4 481 15 6 11 5-1/2 14-1/2 13 5-1/2 26 6-1/2 14(279) (140) (368) (330) (140) (660) (165) (355)
5 481 11** 5-1/22 16 11-1/4 5-1/2 28-1/2 6 13-1/4(279) (140) (406) (286) (140) (723) (152) (336)
5 481 15 6 12-1/2 6-1/4 16 13-1/4 6-1/4 28-1/2 6-1/2 15(217) (159) (406) (336) (159) (723) (165) (381)
5 481 17 6 12-1/2 6-1/4 16 14 6-1/4 28-1/2 6-1/2 15(217) (159) (406) (355) (159) (723) (165) (381)
6 481 11 8 12-1/2 6-1/2 16 11-3/4 6-1/4 28-1/2 6 14-1/2(217) (159) (406) (298) (159) (723) (152) (368)
6 481 11HH 8 16-1/2 8/5/08 18-1/2 10 8-5/8 32-7/8 8 15(419) (219) (460) (254) (219) (835) (203) (381)
6 481 14HH 8 16-1/2 7-1/2 20-1/2 15 7-1/2 36-3/4 8 17(419) (191) (519) (381) (191) (933) (203) (431)
6 481 13-1/2 6-3/4 18 14-1/4 6-3/4 32 7-1/2 16-3/4(343) (171) (457) (368) (171) (812) (190) (425)
6 481 14-3/4 8 18 16 8 32 7-1/2 18(374) (203 (457) (406) (203) (812) (190) (457)
6 481 20 8 14-3/4 8 18 15-3/4 8 32 7-1/2 18(374) (203) (457) (400) (203) (812) (190) (457)
8 481 12 10 14-3/4 8 18 17 9 32 7-1/2 17-3/4(374) (203) (457) (431) (228) (812) (190) (450)
8 481 17B 10 14-3/4 8 18 17 8 32 7-1/2 17-3/4(374) (203) (457) (431) (203) (812) (190) (450)
8 481 18-1/2 9-1/2 21-7/8 18 9-1/2 38 11-1/2 21(470) (241) (555) (457) (241) (964) (292) (533)
10 481 15 12 25 13-1/2 21-7/8 17 13-1/2 38 11-1/2 20(635) (343) (555) (431) (343) (964) (292) (508)
10 481 18 12 25 13-1/2 21-7/8 18 13-1/2 38 11-1/2 22(635) (343) (555) (457) (343) (964) (292) (558)
10 481 18D 12 25 12-1/4 24-1/4 20 12-1/4 43 11-1/2 24(635) (311) (616) (508) (311) (1092) (292) (610)
12 481 18A 14 24 15 25-1/4 18 15 44 11-1/2 23(609) (381 (615) (457) (381) (1117) (292) (584) 18
9 9 9
9 9 9
9 11 11
18
18
18
17
18
18
18
18
17
17
17
18
17
17
17
18
17
17
17
17
18
18
18
17
17
17
17
16
-
-
17
-
16
16
16
-
-
-
-
17
17
17
18
16
16
16
17
16
16
16
16
18
-
-
-
-
-
16
16
16
16
17
17
17
16
16
16
16
16
-
-
16
-
16
16
16
-
-
16
16
17
17
17
17
16
16
16
17
16
16
16
16
17
-
-
16
16
-
16
16
16
16
17
17
17
16
16
16
16
16
-
-
16
15
16
16
16
-
-
15
15
17
17
17
17
16
16
16
17
16
16
16
16
17
-
-
15
15
15
15
15
15
15
17
17
17
16
16
16
16
15
-
-
16
15
15
15
15
-
-
15
15
17
17
16
17
16
16
16
17
16
16
16
16
-
-
15
15
15
15
15
15
15
13
13
13
13
13
13
13
12
13
12
12
12
12
12
12
12
12
13
13
13
13
13
13
15
16
13
13
12
12
12
12
12
12
12
12
12
13
13
12
12
12
12
12
12
12
12
12
12
12
12
12
12
12
12
12
12
12
12
12
12
12
12
12
12
12
12
12
12
12
12
12
12
12
12
12
12
12
12
12
12
12
12
12
12
12
11
11
12
12
12
12
12
12
12
12
12
12
12
12
12
12
12
12
12
12
12
12
12
12
12
12
12
12
11
11
12
12
12
12
12
12
12
12
12
12
12
11
12
11
11
11
11
11
12
12
12
12
12
12
12
12
12
12
OPTIONAL 250# SUCTION ANDDISCAHRGE FLANGES
STANDARD 125# SUCTION ANDDISCHARGE FLANGES
OPTIONAL 125# SUCTIONFLANGE, 250# DISCHARGE
FLANGE
MOTOR FRAME
11
11
11
11
11
11
2524 24
11
11
2625
11
11
9
9
2926
12
12
12
12
11
12
9
9
9
9
9
11
11
11
9
9
9
9
9
9
9
8
8
9
9
9
9
9
9
9
-
9
9
9
9
9
8
8
8
9
8
BASE
BASE
BASE
-
6
6
6
BASE
BASE
BASE
BASE
BASE
BASE
BASE
BASE
11A11C
11B11C
6
5
2 BASE 5
5
8
8
15B15C
18B18C
8
8
3
4A
5A
BASE
10
5
6B
4
BASE
BASE
6
BASE
4433 32 35 34 40 4038 3630 302828 2923 22
C;APPROC
BASE
21
BASE
BASE
18
BASE 8
BASE
D S W X Z CP HY YY
2
1-1/4
PUMP SIZE
ZZ
7A
7
1-1/4
22121A
-
PUMP SIZE RIGHT LEFT RIGHT LEFT 26 28 27 29 28 30 30 33 32 36 3436 39 45HAND HAND HAND HAND
DISCHMODELROTATION ROTATION ROTATION ROTATION
D M S W W X Z CP HY HY YY C4 485 15 5 3 11 7-1/8 5 18-7/8 15-1/8 13 6-1/2 31 4-5/8 8-3/8 13-1/2 BASE 12 12 12 12 12 12 15 16 15 16 16
(279) (181) (127) (479) (384) (330) (165) (787) (117) (213) (343)5 485 12 5 4A 14 6-5/8 7 20-7/8 18-1/8 13 7 35-3/8 11-1/8 13-7/8 13 BASE 17 17 17 17 18 18
(356) (168) (178) (530) (460) (330) (178) (889) (283) (352) (330)5 485 15 6 4 12-1/2 9-1/8 5-1/2 21-1/8 16-7/8 15 7-1/2 34-1/2 5-3/8 9-5/8 15-7/16 BASE 12 12 12 12 12 13 16 16 16 16 16 16
(317) (232) (140) (536) (428) (381) (190) (876) (143) (244) (392)6 485 12 6 5A 15 7-1/2 8 22-7/8 19-5/8 14 8 38-1/2 10-7/8 14-1/8 14 BASE 17 17 17 18 18
(381) (191) (203) (581) (498) (356) (203) (978) (276) (359) (356)6 485 16/ 8 5 16.5 10.5 8.25 23.63 18.38 19 7.75 37.88 5 10.25 17 BASE 16 16 16 16 16 16 17 17 1718
16B (419) (267) (210) (600) (467) (483) (197) (962) (127) (260) (432)6 485 17 8 5 14-3/4 11 7 24-1/2 17-1/2 16 9 38 4 11 16-1/2 BASE 13 13 16 16 16 16 16 16
(374) (279) (178) (622) (444) (406) (228) (964) (102) (279) (419)
STANDARD* OPTIONAL*125# SUCTION AND 250# SUCTION AND
250# DISCHARGE FLANGE DISCHARGE FLANGES
(660
)(7
11)
(685
)(7
36)
(711
)(7
61)
(761
)(8
38)
(812
)(9
14)
(863
)(9
14)
(991
)(1
143)
AURORA 485 PUMPSON STEEL DRIP RIM BASE
Section 912 Page 262Date July 2009
Supersedes Section 912 Page 302Dated June 2008
CAPPROX.
CP
W
Z
YY X
SD
CAPPROX.
CP
W
Z
YYX
SD
M
M
HFHB
HYHP
HG
HK
HFHB
HYHP
HG
HK
HP
HA
HEHP
HP
HA
HEHP
COUPLING GUARD
1-1/4" PIPE TAP†
SUCTION
DISCHARGE
VIEW A-A
COUPLING GUARD1-1/4" PIPE TAP†
SUCTION
DISCHARGE
VIEW A-A
HH FOUNDATIONBOLTS (4)
HH FOUNDATIONBOLTS (4)
SUCTIONCENTERLINE
DISCHARGECENTERLINE
1/2 NPSF DRAINS (2)
1/2 NPSF DRAINS (2)A
A
A
A
RIGHT HAND ROTATION
LEFT HAND ROTATION
PIPE TAP ON BOTHSIDES OF 5-485-12AND 6-485-12. PIPETAP ON NEAR SIDEOF OTHER PUMPS.
†
SUCTION
326T
S32
6T36
4TS
364T
365T
S36
5T40
4TS
405T
405T
S40
5T44
4TS
445TS
447T
S44
9TS
BASE SIZE HA HB HE HF HG HH HK HP12 18x54 18 54-1/2 25-1/8 52-7/8 4 3/4 2 13/16
(457) (1383) (638) (1342) (102) (19) (51) (21)13 18x64 18 64-1/2 25-1/8 62-7/8 4 3/4 2 13/16
(457) (1637) (638) (1593) (102) (19) (51) (21)15 22x54 22 54-1/2 29-1/8 52-7/8 4-1/2 3/4 2 13/16
(559) (1383) (740) (1342) (114) (19) (51) (21)16 22x64 22 64-1/2 29-1/8 62-7/8 4-1/2 3/4 2 13/16
(559) (1637) (740) (1593) (114) (19) (51) (21)17 22x74 22 74-1/2 29-1/8 72-7/8 4-1/2 3/4 2 13/16
(559) (1892) (740) (1851) (114) (19) (51) (21)18 22x82 22 82-1/2 29-1/8 80-7/8 4-1/2 3/4 2 13/16
(559) (2096) (740) (2054) (114) (19) (51) (21)
NOTES1. All dimensions are in inches (mm) and may vary ± 3/8" (10).2. Not for construction purposes unless certified.3. Coupling gap may vary 1/8" (3) thru 1" (25).4. Conduit box is shown in approximate location.
Dimensions are not specifed as they vary with each motor manufacturer.5. Suction and discharge flanges are ANSI standard flat face.6. Three grout holes are provided in top of base.
POWER
SERIES
CASE
BORE
MOTORFRAME
* 150# AND 300# OR 300# AND 300# SUCTION ANDDISCHARGE DUCTILE IRON FOR 5-485-12 AND 6-485-12
-
AURORA MODEL 491 PUMPSON STEEL DRIP RIM BASE
Section 912 Page 271Date February 2005Supersedes Section 912 Page 311
Dated April 2003
NOTES1. All dimensions are in inches.2. Dimensions may vary ± 3/8".3. Not for construction purposes unless certified.4. Coupling gap may vary 1/8" thru 3".
5. Conduit box is shown in approximate location. Dimensionsare not specifed as they vary with each motor manufacturer.
6. Suction and discharge flanges are ANSI standard flat face.7. Structural steel bases are used for pumps with motor farmes
larger than 449T (refer to factory)
BASE SIZE HA HB HE HF HG HH HK HP12 18x54 18 54-1/2 25-1/8 52-7/8 4 3/4 2 13/16
(457) (1384) (638) (1343) (101) (19) (50) (20)13 18x64 18 64-1/2 25-1/8 62-7/8 4 3/4 2 13/16
(457) (1638) (638) (1597) (101) (19) (50) (20)16 22x64 22 64-1/2 29-1/8 62-7/8 4-1/2 3/4 2 13/16
(558) (1638) (739) (1597) (114) (19) (50) (20)17 22x74 22 74-1/2 29-1/8 72-7/8 4-1/2 3/4 2 13/16
(558) (1892) (739) (1851) (114) (19) (50) (20)20 26x90 26 90-1/2 33-1/8 88-7/8 4-1/2 3/4 2 13/16
(660) (2298) (841) (2257) (114) (19) (50) (20)21 26x72 26 72-1/2 33-1/8 70-7/8 4-1/2 3/4 2 13/16
(660) (1841) (841) (1800) (114) (19) (50) (20)23 26x84 26 84-1/2 33-1/8 82-7/8 4-1/2 3/4 2 13/16
(660) (2146) (841) (2105) (114) (19) (50) (20)
COUPLING GUARD CP
WC APPROX.
HH FOUNDATIONBOLTS (4) HY
HF
HB
HP
A
A
SUCTION
HP HE HP
1/2 NPSF DRAINS (2)
HK
Z
XYY
ZZ PIPE TAP FAR SIDE
DISCHARGE
S
D D
HG HG
HK
HP
O
Z
DISCHARGE
ZZ PIPE TAP NEAR SIDE
X YY
HA
1/2 NPSF DRAINS (2)
HE HP
SUCTION
S
RIGHT HAND ROTATION
VIEW A-A VIEW A-A
LEFT HAND ROTATION
PUMP SIZE 21 23 22 24 24 25 25 26 26 28 29 29 28 30 30 33 32 35 34 38 36 40 40 44 45 49CASE C
DISCH MODEL BORE D S W X Z CP HY YY ZZ APPROX3 491 9C 5 12 6-1/8 14-5/8 11 6-1/8 25-15/16 10 12 3/4 BASE 12 12 12 12 12 12 12 12 12 12 12 12 12 12 - - - - - - - - - - - -
(304) (155) (371) (279) (155) (658) (254) (304)4 491 8A 6 11 5-3/4 14-5/8 10 5-1/2 25-15/16 8 11-1/4 3/4 BASE 12 12 12 12 12 12 12 12 12 12 12 12 12 12 - - - - - - - - - - - -
(279) (146) (371) (254) (140) (658) (203) (286)4 491 11A&C 6 13-3/4 6-7/8 16-3/8 11-1/4 7-1/8 29-11/16 10 14 3/4 BASE 12 12 12 12 12 12 12 12 12 12 12 13 13 13 16 16 16 16 16 16 16 16 - - - -
(349) (174) (415) (285) (180) (754) (254) (355)4 491 14C 6 13-3/4 6-7/8 17-5/8 13 8-3/8 31-11/16 12 15-1/4 3/4 BASE - - - - - - 16 16 16 16 16 16 16 16 - - - - - - - - - - - -
(349) (174) (447) (330) (212) (804) (304) (387)5 491 14A 8 16-1/4 8-1/4 17-5/8 13-1/2 9-3/4 31-11/16 12 17-1/4 1 BASE - - - - 16 16 16 16 16 16 16 16 16 16 16 16 16 16 - - - - - - - -
(412) (209) (447) (342) (247) (804) (304) (438)5 491 18A 8 16-1/4 8-1/8 18-7/8 15 10-5/8 33-3/8 12 18-3/4 1 BASE - - - - - - - - - - 16 16 16 16 16 16 16 16 17 17 17 17 - - - -
(412) (206) (479) (381) (269) (847) (304) (476)6 491 12A 6 13-3/4 6-7/8 16-5/8 20-1/2 7-1/8 29-11/16 10 14 1 BASE 12 12 12 12 12 12 12 12 12 12 13 13 13 13 16 16 16 16 16 16 16 16 - - - -
(349) (174) (422) (520) (180) (754) (254) (355)6 491 14C 10 18-3/4 9-3/8 20-1/8 13-1/4 10 35-7/8 12 18 1 BASE - 16 16 16 16 16 16 16 16 16 17 17 17 17 17 17 17 17 17 17 - - - - -
(476) (238) (511) (336) (254) (911) (304) (457)6 491 18C 10 18-3/4 9-3/8 20-1/8 16 11-3/4 35-7/8 13-1/2 20 1 BASE - - - - 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 23 23 23 23
(476) (238) (511) (406) (298) (911) (343) (508)6 491 19A 10 18-3/4 9-3/8 22-5/8 18 12-1/8 39-1/4 13-1/2 22 1 BASE - - - - - - - - - - - - - - - - - - - - 23 23 23 23 23 23
(476) (238) (574) (457) (307) (996) (342) (558)8 491 14A 12 21-1/2 10-3/4 20-1/2 16 10-3/4 36-5/8 13-1/2 22 1 BASE - - - - - - - - - - - - - - 21 21 21 21 21 21 21 21 - - - -
(546) (273) (520) (406) (273) (930) (342) (558)8 491 18A 12 21-1/2 10-3/4 23-3/4 16 12-1/2 41-1/2 13-1/2 22 1 BASE - - - - - - - - - - - - - - - - 21 21 21 21 23 23 23 23 23 23
(546) (273) (603) (406) (317) (1054) (342) (558)10 491 20 16 24 13 25-9/16 23 14-1/4 44-9/16 15 25 1 BASE - - - - - - - - - - - - - - - - - - - - - - 23 23 20 20
(609) (330) (649) (584) (361) (1131) (381) (635)
SUCTION
STANDARD* OPTIONAL OPTIONAL125# SUCTION AND 125# SUCTION FLANGE, 250# SUCTION ANDDISCHARGE FLANGES 250# DISCHARGE FLANGE DISCHARGE FLANGES
MOTORFRAME 25
4T25
6T28
4TS
284T
286T
S28
6T32
4TS
324T
326T
S32
6T36
4TS
364T
365T
S36
5T40
4TS
404T
405T
S40
5T44
4TS
444T
445T
S44
5T44
7TS
447T
449T
S44
9T� � �
(533
)(584
)(558
)(609
)(609
)(635
)(635
)(660
)(660
)(711
)(736
)(736
)(711
)(762
)(762
)(838
)(812
)(889
)(863
)(965
)(914
)(1016)
(1016)
(1117
)(11
43)
(124
4)
*STD 125# SUCTION FLANGE AND250# DISCHARGE FLANGEFOR 6-491-12A
-
AURORA MODEL 492 PUMPSON STEEL DRIP RIM BASE
Section 912 Page 272DateMarch 2009Supersedes Section 912 Page 312Dated February 2005
NOTES1. All dimensions are in inches.2. Dimensions may vary ± 3/8".3. Not for construction purposes unless certified.4. Coupling gap may vary 1/8" thru 3".
5. Conduit box is shown in approximate location. Dimensionsare not specifed as they vary with each motor manufacturer.
6. Suction and discharge flanges are ANSI standard flat face.7. Structural steel bases are used for pumps with motor farmes
larger than 449T (refer to factory)
BASE SIZE HA HB HE HF HG HH HK HP12 18x54 18 54-1/2 25-1/8 52-7/8 4 3/4 2 13/16
(457) (1384) (638) (1343) (101) (19) (50) (20)13 18x64 18 64-1/2 25-1/8 62-7/8 4 3/4 2 13/16
(457) (1638) (638) (1597) (101) (19) (50) (20)16 22x64 22 64-1/2 29-1/8 62-7/8 4-1/2 3/4 2 13/16
(558) (1638) (739) (1597) (114) (19) (50) (20)17 22x74 22 74-1/2 29-1/8 72-7/8 4-1/2 3/4 2 13/16
(558) (1892) (739) (1851) (114) (19) (50) (20)18 22x82 22 82-1/2 29-1/8 80-7/8 4-1/2 3/4 2 13/16
(558) (2095) (739) (2054) (114) (19) (50) (20)20 26x90 26 90-1/2 33-1/8 88-7/8 4-1/2 3/4 2 13/16
(660) (2298) (841) (2257) (114) (19) (50) (20)21 26x72 26 72-1/2 33-1/8 70-7/8 4-1/2 3/4 2 13/16
(660) (1841) (841) (1800) (114) (19) (50) (20)23 26x84 26 84-1/2 33-1/8 82-7/8 4-1/2 3/4 2 13/16
(660) (2146) (841) (2105) (114) (19) (50) (20)
COUPLING GUARD CP
WC APPROX.
HH FOUNDATIONBOLTS (4) HY
HF
HB
HP
A
A
SUCTION
HP HE HP
1/2 NPSF DRAINS (2)
HK
Z
XYY
ZZ PIPE TAP FAR SIDE
DISCHARGE
S
D D
HG HG
HK
HP
O
Z
DISCHARGE
ZZ PIPE TAP NEAR SIDE
X YY
HA
1/2 NPSF DRAINS (2)
HE HP
SUCTION
S
RIGHT HAND ROTATION
VIEW A-A VIEW A-A
LEFT HAND ROTATION
PUMP SIZE 21 23 22 24 24 25 25 26 26 28 29 29 28 30 30 33 32 35 34 38 36 40 40 44 45 49CASE C
DISCH MODEL BORE D S W X Z CP HY YY ZZ APPROX3 492 10A 4 10-1/2 5-1/2 16-1/2 10 5-1/2 29-3/16 7 10 1 BASE 12 12 12 12 12 12 12 12 12 12 12 12 12 12 - - - - - - - - - - - -
(267) (140) (419) (254) (140) (738) (178) (254)4 492 10 6 13 6-1/2 16-7/8 10-1/4 6-1/2 29-13/16 10 11 3/4 BASE - - - - - - 12 12 12 12 12 13 13 13 16 16 16 16 - - - - - - - -
(330) (165) (428) (260) (165) (757) (254) (279)4 492 14 5 12-1/2 7-3/8 18-3/8 13-1/2 7-3/8 33-3/16 10 14 3/4 BASE - 12 12 12 12 12 12 12 - - - - - - - - - - - - - - - - - -
(317) (187) (466) (342) (187) (842) (254) (355)4 492 18 5 14-3/4 9-1/2 18-3/8 14 9-1/2 33-1/4 11 14 3/4 BASE - - - - - - - - 13 13 13 13 13 13 16 16 - - - - - - - - - -
(374) (241) (466) (355) (241) (844) (279) (355)5 492 10 8 16 8 20 12-1/2 7 35-1/2 11 13 1 BASE 12 12 13 13 13 13 13 13 13 13 13 13 13 13 16 16 16 16 17 17 17 17 - - - -
(406) (203) (508) (317) (118) (901) (279) (330)5 492 18 6 16 10 21 14 10 37-1/8 11 14 1 BASE - - - - - - - - 16 16 16 16 16 16 16 16 16 16 - - - - - - - -
(406) (254) (533) (355) (254) (942) (279) (355)6 492 10 10 18 9 20-5/8 13 7-1/2 36-3/4 11 15 1 BASE - - - - - - - - - - - - - - 16 16 16 16 17 17 17 17 17 17 - -
(457) (228) (523) (330) (190) (933) (279) (381)6 492 15 8 15-1/2 8-3/4 22-1/2 15 8-3/4 40-1/4 13 15-1/2 1 BASE - - - - 13 13 13 13 13 13 13 13 13 13 17 17 17 17 - - - - - - - -
(394) (222) (571) (381) (222) (1022) (330) (394)8 492 15 10 17-1/2 9-1/4 22-1/2 17 9-1/4 40-1/4 13 17 1 BASE - - - - - - - - 16 16 16 16 16 16 17 17 17 17 17 17 - - - - - -
(444) (234) (571) (431) (234) (1022) (330) (431)10 492 18 12 21-3/4 11-1/2 25-9/16 21 11-1/2 45-13/16 15 21 1 BASE - - - - - - - - - - - - - - - - - - - - - - 23 23 20 20
(552) (292) (649) (533) (292) (1163) (381) (533)
SUCTION
STANDARD OPTIONAL OPTIONAL125# SUCTION AND 125# SUCTION FLANGE, 250# SUCTION ANDDISCHARGE FLANGES 250# DISCHARGE FLANGE DISCHARGE FLANGES
MOTORFRAME 25
4T25
6T28
4TS
284T
286T
S28
6T32
4TS
324T
326T
S32
6T36
4TS
364T
365T
S36
5T40
4TS
404T
405T
S40
5T44
4TS
444T
445T
S44
5T44
7TS
447T
449T
S44
9T� � �(533
)(584
)(558
)(609
)(609
)(635
)(635
)(660
)(660
)(711
)(736
)(736
)(711
)(762
)(762
)(838
)(812
)(889
)(863
)(965
)(914
)(1016)
(1016)
(1117
)(11
43)
(124
4)
-
AURORA MODEL 495 PUMPSON STEEL DRIP RIM BASE
Section 912 Page 273Date February 2005Supersedes Section 912 Page 313
Dated December 1999
NOTES1. All dimensions are in inches.2. Dimensions may vary ± 3/8".3. Not for construction purposes unless certified.4. Coupling gap may vary 1/8" thru 3".
5. Conduit box is shown in approximate location. Dimensionsare not specifed as they vary with each motor manufacturer.
6. Suction and discharge flanges are ANSI standard flat face.
BASE HA HB HE HG HH HF HP17 22 84 19 4 5/8 82 1
(558) (2133) (482) (101) (15) (2082) (25)23 26 84 23 4-1/2 5/8 82 1
(660) (2133) (584) (114) (15) (2082) (25)24 26 96 23 4-1/2 5/8 94 1
(660) (2438) (584) (114) (15) (2387) (25)
COUPLING GUARD
C APPROX.
HH FOUNDATIONBOLTS (4)
HF
HB
HY
WCP
M DISCHARGECENTERLINE
A
A
HP
SUCTION
S
(2) 1/2 (12) NPSF DRAINS
HP
HA
HE HP
ZD
DISCHARGE
ZZ PIPE TAP NEAR SIDEYY X
ZZ PIPE TAP FAR SIDEX YY
SUCTION
S
D
HG
HP
HA
HEHP
(2) 1/2 (12) NPSF DRAINS
DISCHARGE
Z
SUCTIONCENTERLINE
A
A
HP
CP
W M
HY
HF
HB
HH FOUNDATIONBOLTS (4)
COUPING GUARD
C APPROX.
HG
RIGHT HAND ROTATION
VIEW A-A
VIEW A-A
LEFT HAND ROTATION
PUMP SIZE RIGHT LEFT RIGHT LEFTCASE HAND HAND HAND HAND C
DISCH MODEL BORE D S W W X Z CP HY HY YY ZZ APPROX5 495 15 6 17 9 28-3/8 23-3/8 15 9 46-7/8 13-1/2 18-1/2 15 1 BASE
(431) (228) (720) (593) (381) (228) (1190) (342) (469) (381) (25)6 495 17 8 17-1/2 9 31-5/8 25-1/8 16-1/2 10-1/2 52-1/2 12-3/4 19-1/4 16-1/2 1 BASE
(444) (228) (803) (638) (419) (266) (1333) (3238) (488) (419) (25)
17 17 17 17 - - - - - - - -
- - - - 23 23 23 23 24 24 24 24
SUCTION
MOTORFRAME 40
4TS
404T
405T
S40
5T44
4TS
444T
445T
S44
5T44
7TS
447T
449T
S44
9TSTANDARD
125# SUCTION FLANGE,250# DISCHARGE FLANGE�
(762
)(838
)(812
)(889
)(863
)(965
)(914
)(1016)
(1016)
(1117
)(11
43)
(124
4)
30 33 32 35 34 38 36 40 40 44 45 49
OPTIONAL250# SUCTION ANDDISCHARGE FLANGE�
-
Section 912 Page 274Date February 2005Supersedes Section 912 Page 314Dated December 1999
THIS PAGE LEFT INTENTIONALLY BLANK