CURVE BOOKLETB-170E
60 HERTZ PERFORMANCE CURVES
BELL & GOSSETT
SE
RIE
S 8
0In-Line Mounted CentrifugalPump Performance Curves
Bell & GossettPart of the
Equipment Selection Program
0
10
20
30
40
50
60
70
80
90
100
110
120
440
400
360
320
280
240
200
160
120
80
40
0 20 40 60 80 100
120
140
160
180200
400
600
800
1000
1200
1400
1600
18002000
10 20 30 40 50 60 70 80 90 100
200
300
400
5 6 7 8 9
CAPACITY CUBIC METERS PER HOUR
TOTA
L HE
AD, M
ETER
S
TOTA
L HE
AD IN
FEE
T
CAPACITY IN U.S. GALLONS PER MINUTE
12
12
12
12
12
12
1 x1 x7 B 2 x2 x7 1
2
12
2x2x7
2 x2 x 9 B1
21
2
12
2 x 2 x 9 B
3 x 3 x 9 B12
4x4x7
5x5x7
3x3x11
6x6x7
3x3x7B
3500 R.P.M.
12
12
1 x1 x9 12
12
0
5
10
15
20
25
30
35
40
90
100
110
120
130
140
20
30
40
50
60
70
80
10
0 20 40 60 80 100
120
140
160
180200
300
400
600
800
1000
1200
1400160018002000
2500
3000
4000
10 20 30 40 50 60 70 80 90 100
200
300
400
500
600
700
800
6 7 8 9
CAPACITY CUBIC METERS PER HOUR
TOTA
L HE
AD, M
ETER
S
TOTA
L HE
AD IN
FEE
T
CAPACITY IN U.S. GALLONS PER MINUTE
1750 R.P.M.
1
1
1 x1 x92
12
2
1 x1 x7 B1
2
12
2 x2 x 9 B1
21
2
12
2 x2 x 7 1
2
12
3 x 3 x 9 B12
4 x 4 x 9 12
5x 5 x 9 12
6x6 x 9 12
8x8 x 9 12
4x4x7
2x2x7 3x3x7B5x5x7
6x6x7
6x6x118x8x11
4x4x11
3x3x11
2 x2 x 9 B12
18�
16�
14�
12�
10�
8�
6�
4�
2�
0
60�
50�
40�
30�
20�
10�
0
20 40 60 80 100
120
140160180200
400
600
800
1000
12001400160018002000
5 6 7 8 9 10 20 30 40 50 60 70 80 90 100
200
300
400
CAPACITY IN U.S. GALLONS PER MINUTE
CAPACITY CUBIC METERS PER HOUR
TOTA
L HE
AD, M
ETER
S
TOTA
L HE
AD IN
FEE
T
1150 R.P.M.
1 12 x1 1
2 x7B
1 12 x1 12 x9 12
2 12 x2 12 x72x2x7 4x4x7
3x3x7B
5x5x7
4x4x11
3x3x11 6x6x11 8x8x11
6x6x7
3 x 3 x 9 12 B
2 x 2 x 9 12 B
4x 4 x 9 12 5x 5x 9 12
6x 6x 9 12
8x 8x 9 12
2 12 x2 12 x9 12 B
2
TABLE OF CONTENTS
Useful Pump Formulas . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2Series 80 Standard Pumps . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
3500 RPM PUMP CURVES7" Maximum Impeller Diameter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 491/2" Maximum Impeller Diameter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
1750 RPM PUMP CURVES7" Maximum Impeller Diameter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1091/2" Maximum Impeller Diameter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1311" Maximum Impeller Diameter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
1150 RPM PUMP CURVES7" Maximum Impeller Diameter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2091/2" Maximum Impeller Diameter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2311" Maximum Impeller Diameter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
Pressure = Head (Feet) x Specific Gravity(PSI) 2.31
Head = Pressure (PSI) x 2.31(Feet) Specific Gravity
Vacuum = Dynamic Suction Lift (Feet) x .883 (Inches of Mercury) x Specific Gravity
Horsepower = GPM x Head (Feet) x Specific Gravity(Brake) 3960 x Pump Efficiency
Horsepower = GPM x Head (Feet) x Specific Gravity(Water) 3960
Efficiency = Horsepower (Water) x 100 Per Cent(Pump) Horsepower (Brake)
NPSH = Positive Factors – Negative Factors(Available)
GPM Capacity Ft. Head BHP
ImpellerDiameterChange
SpeedChange
USEFUL PUMP FORMULAS
Affinity Laws: Effect of change of speed or impeller diameter on centrifugal pumps.
Where Q = GPM, H = Head, P = BHP, D = Impeller Dia., RPM = Pump Speed
Q2 = Q1D2
D1
Q2 = Q1RPM2
RPM1H2 = ( )2
H1RPM2
RPM1P2 = ( )3
P1RPM2
RPM1
P2 = ( )3
P1D2
D1H2 = ( )2
H1D2
D1
SERIES 80 STANDARD PUMPS
3
1750 R.P.M.100
90
80
70
60
50
40
30
20
10
0
30
28
26
24
22
20
18
16
14
12
10
8
6
4
2
0
TO
TAL
HE
AD
IN F
EE
T
TO
TAL
HE
AD
IN M
ET
ER
S
0 100 200 300 400 500 600
0 10 20 30 40 50 60 70 80 90 100 110 120
CAPACITY IN U.S. GALLONS PER MINUTE
CAPACITY IN CUBIC METERS/HR
8010T
809TB
808TB
807T
806T
801TB
802TB
803TB
804TB
805TB
Designed with preselected impeller diameters and motor horsepower sizes to offer better availability.
Pump Construction: Bronze Fitted Motors: 208-230/460 VoltsStandard Mechanical Seal 3 Phase, 60 HertzMaximum Working Pressure 175 psi Open Dripproofwith 125# ANSI Flanges
HOW TO USE THIS BOOKLET
• Determine the Pump Model number from the quick selection charts on the cover of this Booklet. Requireddata: Pump Flow and Head and desired RPM. Use the Standard Pumps shown on this page when possible.
• Consult the individual pump curve for the desired pump model to determine the required motor horsepower,pump efficiency and NPSHR.
• For faster, computerized pump selections, consult your ITT Bell & Gossett Representative about ESP-PLUS,Bell & Gossett’s Equipment Selection Program for personal computers.
UNIT MOTORNO. PUMP SIZE HP
801TB 1.5
802TB 3x3x7B 2
803TB
804TB 2x2x91/2B3
805TB 21/2x21/2x91/2B 5
UNIT MOTORNO. PUMP SIZE HP
806TB 2
807TB4x4x7
3
808TB 5
809TB3x3x91/2B
8010TB 4x4x91/2
71/2
3500 RPM PUMP CURVES
4
TO
TAL
HE
AD
INFE
ET
TO
TAL
HE
AD
INM
ET
ER
S
NP
SH
INM
ET
ER
S
NP
SH
INFE
ET
CAPACITY IN CUBIC METERS/HR
CAPACITY IN U.S. GALLONS PER MINUTE
11/2x11/2x7B3500 R.P.M.
TO
TAL
HE
AD
INFE
ET
TO
TAL
HE
AD
INM
ET
ER
S
CAPACITY IN CUBIC METERS/HR
CAPACITY IN U.S. GALLONS PER MINUTE
2x2x73500 R.P.M.
NP
SH
INM
ET
ER
S
NP
SH
INFE
ET
Impellers are trimmed in 1/8" incre-ments to supply required capacity.Responsibility for final impeller siz-ing remains with ITT Bell & Gossett.
Impellers are trimmed in 1/8" incre-ments to supply required capacity.Responsibility for final impeller siz-ing remains with ITT Bell & Gossett.
3500 RPM PUMP CURVES
5
TO
TAL
HE
AD
INFE
ET
TO
TAL
HE
AD
INM
ET
ER
S
CAPACITY IN CUBIC METERS/HR
CAPACITY IN U.S. GALLONS PER MINUTE
21/2x21/2x73500 R.P.M.
TO
TAL
HE
AD
INFE
ET
TO
TAL
HE
AD
INM
ET
ER
S
CAPACITY IN CUBIC METERS/HR
CAPACITY IN U.S. GALLONS PER MINUTE
3x3x7B3525 R.P.M.
NP
SH
INM
ET
ER
S
NP
SH
INFE
ET
NP
SH
INM
ET
ER
S
NP
SH
INFE
ET
Impellers are trimmed in 1/8" incre-ments to supply required capacity.Responsibility for final impeller siz-ing remains with ITT Bell & Gossett.
Impellers are trimmed in 1/8" incre-ments to supply required capacity.Responsibility for final impeller siz-ing remains with ITT Bell & Gossett.
B-170E
3500 RPM PUMP CURVES
6
TO
TAL
HE
AD
INFE
ET
TO
TAL
HE
AD
INM
ET
ER
S
CAPACITY IN CUBIC METERS/HR
CAPACITY IN U.S. GALLONS PER MINUTE
4x4x73500 R.P.M.
TO
TAL
HE
AD
INFE
ET
TO
TAL
HE
AD
INM
ET
ER
S
CAPACITY IN CUBIC METERS/HR
CAPACITY IN U.S. GALLONS PER MINUTE
5x5x73550 R.P.M.
NP
SH
INM
ET
ER
S
NP
SH
INFE
ET
NP
SH
INM
ET
ER
S
NP
SH
INFE
ET
Impellers are trimmed in 1/8" incre-ments to supply required capacity.Responsibility for final impeller siz-ing remains with ITT Bell & Gossett.
Impellers are trimmed in 1/8" incre-ments to supply required capacity.Responsibility for final impeller siz-ing remains with ITT Bell & Gossett.
3500 RPM PUMP CURVES
7
TO
TAL
HE
AD
INFE
ET
TO
TAL
HE
AD
INM
ET
ER
S
CAPACITY IN CUBIC METERS/HR
CAPACITY IN U.S. GALLONS PER MINUTE
6x6x73550 R.P.M.
TO
TAL
HE
AD
INFE
ET
TO
TAL
HE
AD
INM
ET
ER
S
CAPACITY IN CUBIC METERS/HR
CAPACITY IN U.S. GALLONS PER MINUTE
11/2x11/2x91/23525 R.P.M.
NP
SH
INM
ET
ER
S
NP
SH
INFE
ET
NP
SH
INM
ET
ER
S
NP
SH
INFE
ET
Impellers are trimmed in 1/8" incre-ments to supply required capacity.Responsibility for final impeller siz-ing remains with ITT Bell & Gossett.
Impellers are trimmed in 1/8" incre-ments to supply required capacity.Responsibility for final impeller siz-ing remains with ITT Bell & Gossett.
B-170E
3500 RPM PUMP CURVES
8
TO
TAL
HE
AD
INFE
ET
TO
TAL
HE
AD
INM
ET
ER
S
CAPACITY IN CUBIC METERS/HR
CAPACITY IN U.S. GALLONS PER MINUTE
2x2x91/2B3500 R.P.M.
TO
TAL
HE
AD
INFE
ET
TO
TAL
HE
AD
INM
ET
ER
S
CAPACITY IN CUBIC METERS/HR
CAPACITY IN U.S. GALLONS PER MINUTE
21/2x21/2x91/2B3550 R.P.M.
NP
SH
INM
ET
ER
S
NP
SH
INFE
ET
NP
SH
INM
ET
ER
S
NP
SH
INFE
ET
Impellers are trimmed in 1/8" incre-ments to supply required capacity.Responsibility for final impeller siz-ing remains with ITT Bell & Gossett.
Impellers are trimmed in 1/8" incre-ments to supply required capacity.Responsibility for final impeller siz-ing remains with ITT Bell & Gossett.
3500 RPM PUMP CURVES
9
120�
100�
80�
60�
40�
20
400�
360�
320�
280�
240�
200�
160�
120�
80�
40
CENTRIFUGAL PUMP SERIES 80
TO
TAL
HE
AD
, ME
TE
RS
TO
TAL
HE
AD
, FE
ET
NP
SH
, FE
ET
NP
SH
, ME
TE
RS
9.0"
71/4"
8"
81/2"
40%
50%
55%
60%
63%
65%
67%
68%
69%
68%
67%
65%
63%
60%
60HP
50HP
40HP30HP
25HP
NPSH REQ.
16�
12�
8�
4�
0
40�
20�
00 100 200 300 400 500 600 700 800
CAPACITY IN U.S. GALLONS PER MINUTE
CAPACITY, CUBIC METERS/HR
0 50 100 150
3x3x91/2B3550 R.P.M.
0
0 50 150
100 200 300 400 500 600 7000
150
0
50
100
500
400
300
200
100
20
10
0
100
CENTRIFUGAL PUMP SERIES 80
80�
40�
0
TO
TAL
HE
AD
, ME
TE
RS
CAPACITY, U.S. GALLONS PER MINUTE
CAPACITY, CUBIC METERS/HR
TO
TAL
HE
AD
, FE
ET
93/4"
N.P.S.H. REQUIRED
40%
45%
50%
55%
60%
63%
65%
67%
67%
65%
63%
60%
55%
81/2"
75/8"
9"
91/2"
50HP30HP
25HP
60HP
40HP
NP
SH
, FE
ET
NP
SH
, ME
TE
RS
B-170E
NOTE: 75 HP is not available.
3x3x113550 R.P.M.
Impellers are trimmed in 1/8" incre-ments to supply required capacity.Responsibility for final impeller siz-ing remains with ITT Bell & Gossett.
Impellers are trimmed in 1/8" incre-ments to supply required capacity.Responsibility for final impeller siz-ing remains with ITT Bell & Gossett.
1750 RPM PUMP CURVES
10
TO
TAL
HE
AD
INFE
ET
TO
TAL
HE
AD
INM
ET
ER
S
CAPACITY IN CUBIC METERS/HR
CAPACITY IN U.S. GALLONS PER MINUTE
11/2x11/2x7B1750 R.P.M.
TO
TAL
HE
AD
INFE
ET
TO
TAL
HE
AD
INM
ET
ER
S
CAPACITY IN CUBIC METERS/HR
CAPACITY IN U.S. GALLONS PER MINUTE
2x2x71750 R.P.M.
NP
SH
INM
ET
ER
S
NP
SH
INFE
ET
NP
SH
INM
ET
ER
S
NP
SH
INFE
ET
Impellers are trimmed in 1/8" incre-ments to supply required capacity.Responsibility for final impeller siz-ing remains with ITT Bell & Gossett.
Impellers are trimmed in 1/8" incre-ments to supply required capacity.Responsibility for final impeller siz-ing remains with ITT Bell & Gossett.
1750 RPM PUMP CURVES
11
TO
TAL
HE
AD
INFE
ET
TO
TAL
HE
AD
INM
ET
ER
S
CAPACITY IN CUBIC METERS/HR
CAPACITY IN U.S. GALLONS PER MINUTE
21/2x21/2x71750 R.P.M.
TO
TAL
HE
AD
INFE
ET
TO
TAL
HE
AD
INM
ET
ER
S
CAPACITY IN CUBIC METERS/HR
CAPACITY IN U.S. GALLONS PER MINUTE
3x3x7B1750 R.P.M.
NP
SH
INM
ET
ER
S
NP
SH
INFE
ET
NP
SH
INM
ET
ER
S
NP
SH
INFE
ET
Impellers are trimmed in 1/8" incre-ments to supply required capacity.Responsibility for final impeller siz-ing remains with ITT Bell & Gossett.
Impellers are trimmed in 1/8" incre-ments to supply required capacity.Responsibility for final impeller siz-ing remains with ITT Bell & Gossett.
B-170E
1750 RPM PUMP CURVES
12
TO
TAL
HE
AD
INFE
ET
TO
TAL
HE
AD
INM
ET
ER
S
CAPACITY IN CUBIC METERS/HR
CAPACITY IN U.S. GALLONS PER MINUTE
4x4x71750 R.P.M.
TO
TAL
HE
AD
INFE
ET
TO
TAL
HE
AD
INM
ET
ER
S
CAPACITY IN CUBIC METERS/HR
CAPACITY IN U.S. GALLONS PER MINUTE
5x5x71750 R.P.M.
NP
SH
INM
ET
ER
S
NP
SH
INFE
ET
NP
SH
INM
ET
ER
S
NP
SH
INFE
ET
Impellers are trimmed in 1/8" incre-ments to supply required capacity.Responsibility for final impeller siz-ing remains with ITT Bell & Gossett.
Impellers are trimmed in 1/8" incre-ments to supply required capacity.Responsibility for final impeller siz-ing remains with ITT Bell & Gossett.
1750 RPM PUMP CURVES
13
TO
TAL
HE
AD
INFE
ET
TO
TAL
HE
AD
INM
ET
ER
S
CAPACITY IN CUBIC METERS/HR
CAPACITY IN U.S. GALLONS PER MINUTE
6x6x71750 R.P.M.
TO
TAL
HE
AD
INFE
ET
TO
TAL
HE
AD
INM
ET
ER
S
CAPACITY IN CUBIC METERS/HR
CAPACITY IN U.S. GALLONS PER MINUTE
11/2x11/2x91/21750 R.P.M.
NP
SH
INM
ET
ER
S
NP
SH
INFE
ET
NP
SH
INM
ET
ER
S
NP
SH
INFE
ET
Impellers are trimmed in 1/8" incre-ments to supply required capacity.Responsibility for final impeller siz-ing remains with ITT Bell & Gossett.
Impellers are trimmed in 1/8" incre-ments to supply required capacity.Responsibility for final impeller siz-ing remains with ITT Bell & Gossett.
B-170E
1750 RPM PUMP CURVES
14
30�
25�
20�
15�
10�
5�
0
100�
90�
80�
70�
60�
50�
40�
30�
20�
10�
0
CENTRIFUGAL PUMP SERIES 80
TO
TAL
HE
AD
, ME
TE
RS
TO
TAL
HE
AD
, FE
ET
NP
SH
, FE
ET
NP
SH
, ME
TE
RS
6�
4�
2�
0
20�
10�
00 100 150 200 250 300 35050
CAPACITY IN U.S. GALLONS PER MINUTE
CAPACITY, CUBIC METERS/HR
0 10 20 30 40 50 60 70
71/2"
8"
7"
9"
81/2"
91/2"D 40%
50%
55%
60%
63%
66%
68%
69%
68%
66%
63%60%
55%
50%
45%
40%
30%
7 1/2HP
5HP
3HP
2HP
NPSH REQ.
21/2x21/2x91/2B1750 R.P.M.
TO
TAL
HE
AD
INFE
ET
TO
TAL
HE
AD
INM
ET
ER
S
CAPACITY IN CUBIC METERS/HR
CAPACITY IN U.S. GALLONS PER MINUTE
2x2x91/2B1750 R.P.M.
NP
SH
INM
ET
ER
S
NP
SH
INFE
ET
Impellers are trimmed in 1/8" incre-ments to supply required capacity.Responsibility for final impeller siz-ing remains with ITT Bell & Gossett.
Impellers are trimmed in 1/8" incre-ments to supply required capacity.Responsibility for final impeller siz-ing remains with ITT Bell & Gossett.
1750 RPM PUMP CURVES
15
TO
TAL
HE
AD
INFE
ET
TO
TAL
HE
AD
INM
ET
ER
S
CAPACITY IN CUBIC METERS/HR
CAPACITY IN U.S. GALLONS PER MINUTE
3x3x91/2B1750 R.P.M.
TO
TAL
HE
AD
INFE
ET
TO
TAL
HE
AD
INM
ET
ER
S
CAPACITY IN CUBIC METERS/HR
CAPACITY IN U.S. GALLONS PER MINUTE
4x4x91/21750 R.P.M.
NP
SH
INM
ET
ER
S
NP
SH
INFE
ET
NP
SH
INM
ET
ER
S
NP
SH
INFE
ET
Impellers are trimmed in 1/8" incre-ments to supply required capacity.Responsibility for final impeller siz-ing remains with ITT Bell & Gossett.
Impellers are trimmed in 1/8" incre-ments to supply required capacity.Responsibility for final impeller siz-ing remains with ITT Bell & Gossett.
B-170E
1750 RPM PUMP CURVES
16
TO
TAL
HE
AD
INFE
ET
TO
TAL
HE
AD
INM
ET
ER
S
CAPACITY IN CUBIC METERS/HR
CAPACITY IN U.S. GALLONS PER MINUTE
5x5x91/21750 R.P.M.
TO
TAL
HE
AD
INFE
ET
TO
TAL
HE
AD
INM
ET
ER
S
CAPACITY IN CUBIC METERS/HR
CAPACITY IN U.S. GALLONS PER MINUTE
6x6x91/21750 R.P.M.
NP
SH
INM
ET
ER
S
NP
SH
INFE
ET
NP
SH
INM
ET
ER
S
NP
SH
INFE
ET
Impellers are trimmed in 1/8" incre-ments to supply required capacity.Responsibility for final impeller siz-ing remains with ITT Bell & Gossett.
Impellers are trimmed in 1/8" incre-ments to supply required capacity.Responsibility for final impeller siz-ing remains with ITT Bell & Gossett.
1750 RPM PUMP CURVES
17
30�
25�
20�
15�
10�
5�
0
100�
90�
80�
70�
60�
50�
40�
30�
20�
10�
0
CENTRIFUGAL PUMP SERIES 80
TO
TAL
HE
AD
, ME
TE
RS
TO
TAL
HE
AD
, FE
ET
NP
SH
, FE
ET
NP
SH
, ME
TE
RS
16�
12�
8�
4�
0
40�
20�
00 1000 1500 2000 2500 3000500
CAPACITY IN U.S. GALLONS PER MINUTE
CAPACITY, CUBIC METERS/HR
0 100 200 300 400 500 600
8x8x91/21770 R.P.M.
71/2"
8"
9"
81/2"
91/2"D
50%
60%
65%
70%
75%
80%
82%
84%
82%
80%
75%
70%
65%
60%
15HP
20HP
25HP
30HP
40HP
NPSH REQ.
0
0 50 100
50 100 150 200 250 300 350 400 450 5000
20
40
60
80
100
120
14045
40
35
30
25
20
15
10
5
0
160
15
10
5
0
CENTRIFUGAL PUMP SERIES 80
60�
40�
20�
0
TO
TAL
HE
AD
, ME
TE
RS
CAPACITY, U.S. GALLONS PER MINUTE
CAPACITY, CUBIC METERS/HR
TO
TAL
HE
AD
, FE
ET
NP
SH
, FE
ET
NP
SH
, ME
TE
RS
11"
N.P.S.H. REQUIRED
40%
45%
50%
55%
60%
63%
65%
66%66
%
65%
63%
60%
55%
50%
45%
40%
91/2"
9"
10"
101/2"
10HP
15HP
7 1/2HP
Impellers are trimmed in 1/8" incre-ments to supply required capacity.Responsibility for final impeller siz-ing remains with ITT Bell & Gossett.
B-170E
3x3x111750 R.P.M.
Impellers are trimmed in 1/8" incre-ments to supply required capacity.Responsibility for final impeller siz-ing remains with ITT Bell & Gossett.
1750 RPM PUMP CURVES
TO
TAL
HE
AD
INFE
ET
TO
TAL
HE
AD
INM
ET
ER
S
CAPACITY IN CUBIC METERS/HR
CAPACITY IN U.S. GALLONS PER MINUTE
6x6x111750 R.P.M.
NP
SH
INM
ET
ER
S
NP
SH
INFE
ET
Impellers are trimmed in 1/8" incre-ments to supply required capacity.Responsibility for final impeller siz-ing remains with ITT Bell & Gossett.
TO
TAL
HE
AD
INFE
ET
TO
TAL
HE
AD
INM
ET
ER
S
CAPACITY IN CUBIC METERS/HR
CAPACITY IN U.S. GALLONS PER MINUTE
4x4x111750 R.P.M.
NP
SH
INM
ET
ER
S
NP
SH
INFE
ET
Impellers are trimmed in 1/8" incre-ments to supply required capacity.Responsibility for final impeller siz-ing remains with ITT Bell & Gossett.
18
1750 RPM PUMP CURVES
19
TO
TAL
HE
AD
INFE
ET
TO
TAL
HE
AD
INM
ET
ER
S
CAPACITY IN CUBIC METERS/HR
CAPACITY IN U.S. GALLONS PER MINUTE
8x8x111770 R.P.M.
NP
SH
INM
ET
ER
S
NP
SH
INFE
ET
Impellers are trimmed in 1/8" incre-ments to supply required capacity.Responsibility for final impeller siz-ing remains with ITT Bell & Gossett.
B-170E
1150 RPM PUMP CURVES
20
TO
TAL
HE
AD
INFE
ET
TO
TAL
HE
AD
INM
ET
ER
S
CAPACITY IN CUBIC METERS/HR
CAPACITY IN U.S. GALLONS PER MINUTE
11/2x11/2x7B1150 R.P.M.
TO
TAL
HE
AD
INFE
ET
TO
TAL
HE
AD
INM
ET
ER
S
CAPACITY IN CUBIC METERS/HR
CAPACITY IN U.S. GALLONS PER MINUTE
2x2x71150 R.P.M.
NP
SH
INM
ET
ER
S
NP
SH
INFE
ET
NP
SH
INM
ET
ER
S
NP
SH
INFE
ET
Impellers are trimmed in 1/8" incre-ments to supply required capacity.Responsibility for final impeller siz-ing remains with ITT Bell & Gossett.
Impellers are trimmed in 1/8" incre-ments to supply required capacity.Responsibility for final impeller siz-ing remains with ITT Bell & Gossett.
1150 RPM PUMP CURVES
21
TO
TAL
HE
AD
INFE
ET
TO
TAL
HE
AD
INM
ET
ER
S
CAPACITY IN CUBIC METERS/HR
CAPACITY IN U.S. GALLONS PER MINUTE
21/2x21/2x71150 R.P.M.
TO
TAL
HE
AD
INFE
ET
TO
TAL
HE
AD
INM
ET
ER
S
CAPACITY IN CUBIC METERS/HR
CAPACITY IN U.S. GALLONS PER MINUTE
3x3x7B1150 R.P.M.
NP
SH
INM
ET
ER
S
NP
SH
INFE
ET
NP
SH
INM
ET
ER
S
NP
SH
INFE
ET
Impellers are trimmed in 1/8" incre-ments to supply required capacity.Responsibility for final impeller siz-ing remains with ITT Bell & Gossett.
Impellers are trimmed in 1/8" incre-ments to supply required capacity.Responsibility for final impeller siz-ing remains with ITT Bell & Gossett.
B-170E
1150 RPM PUMP CURVES
22
TO
TAL
HE
AD
INFE
ET
TO
TAL
HE
AD
INM
ET
ER
S
CAPACITY IN CUBIC METERS/HR
CAPACITY IN U.S. GALLONS PER MINUTE
4x4x71150 R.P.M.
TO
TAL
HE
AD
INFE
ET
TO
TAL
HE
AD
INM
ET
ER
S
CAPACITY IN CUBIC METERS/HR
CAPACITY IN U.S. GALLONS PER MINUTE
5x5x71150 R.P.M.
NP
SH
INM
ET
ER
S
NP
SH
INFE
ET
NP
SH
INM
ET
ER
S
NP
SH
INFE
ET
Impellers are trimmed in 1/8" incre-ments to supply required capacity.Responsibility for final impeller siz-ing remains with ITT Bell & Gossett.
Impellers are trimmed in 1/8" incre-ments to supply required capacity.Responsibility for final impeller siz-ing remains with ITT Bell & Gossett.
1150 RPM PUMP CURVES
23
TO
TAL
HE
AD
INFE
ET
TO
TAL
HE
AD
INM
ET
ER
S
CAPACITY IN CUBIC METERS/HR
CAPACITY IN U.S. GALLONS PER MINUTE
6x6x71150 R.P.M.
TO
TAL
HE
AD
INFE
ET
TO
TAL
HE
AD
INM
ET
ER
S
CAPACITY IN CUBIC METERS/HR
CAPACITY IN U.S. GALLONS PER MINUTE
11/2x11/2x91/21150 R.P.M.
NP
SH
INM
ET
ER
S
NP
SH
INFE
ET
NP
SH
INM
ET
ER
S
NP
SH
INFE
ET
Impellers are trimmed in 1/8" incre-ments to supply required capacity.Responsibility for final impeller siz-ing remains with ITT Bell & Gossett.
Impellers are trimmed in 1/8" incre-ments to supply required capacity.Responsibility for final impeller siz-ing remains with ITT Bell & Gossett.
B-170E
1150 RPM PUMP CURVES
24
TO
TAL
HE
AD
INFE
ET
TO
TAL
HE
AD
INM
ET
ER
S
CAPACITY IN CUBIC METERS/HR
CAPACITY IN U.S. GALLONS PER MINUTE
2x2x91/2B1150 R.P.M.
TO
TAL
HE
AD
INFE
ET
TO
TAL
HE
AD
INM
ET
ER
S
CAPACITY IN CUBIC METERS/HR
CAPACITY IN U.S. GALLONS PER MINUTE
21/2x21/2x91/2B1150 R.P.M.
NP
SH
INM
ET
ER
S
NP
SH
INFE
ET
NP
SH
INM
ET
ER
S
NP
SH
INFE
ET
Impellers are trimmed in 1/8" incre-ments to supply required capacity.Responsibility for final impeller siz-ing remains with ITT Bell & Gossett.
Impellers are trimmed in 1/8" incre-ments to supply required capacity.Responsibility for final impeller siz-ing remains with ITT Bell & Gossett.
1150 RPM PUMP CURVES
25
TO
TAL
HE
AD
INFE
ET
TO
TAL
HE
AD
INM
ET
ER
S
CAPACITY IN CUBIC METERS/HR
CAPACITY IN U.S. GALLONS PER MINUTE
3x3x91/2B1150 R.P.M.
TO
TAL
HE
AD
INFE
ET
TO
TAL
HE
AD
INM
ET
ER
S
CAPACITY IN CUBIC METERS/HR
CAPACITY IN U.S. GALLONS PER MINUTE
NP
SH
INM
ET
ER
S
NP
SH
INFE
ET
NP
SH
INM
ET
ER
S
NP
SH
INFE
ET
4x4x91/21150 R.P.M.
Impellers are trimmed in 1/8" incre-ments to supply required capacity.Responsibility for final impeller siz-ing remains with ITT Bell & Gossett.
Impellers are trimmed in 1/8" incre-ments to supply required capacity.Responsibility for final impeller siz-ing remains with ITT Bell & Gossett.
B-170E
1150 RPM PUMP CURVES
26
TO
TAL
HE
AD
INFE
ET
TO
TAL
HE
AD
INM
ET
ER
S
CAPACITY IN CUBIC METERS/HR
CAPACITY IN U.S. GALLONS PER MINUTE
TO
TAL
HE
AD
INFE
ET
TO
TAL
HE
AD
INM
ET
ER
S
CAPACITY IN CUBIC METERS/HR
CAPACITY IN U.S. GALLONS PER MINUTE
NP
SH
INM
ET
ER
S
NP
SH
INFE
ET
NP
SH
INM
ET
ER
S
NP
SH
INFE
ET
5x5x91/21150 R.P.M.
6x6x91/21150 R.P.M.
Impellers are trimmed in 1/8" incre-ments to supply required capacity.Responsibility for final impeller siz-ing remains with ITT Bell & Gossett.
Impellers are trimmed in 1/8" incre-ments to supply required capacity.Responsibility for final impeller siz-ing remains with ITT Bell & Gossett.
0
0 10 20 30 40 50 60 70
50 100 150 200 250 300 350
20�
15�
10�
5�
0
70�
60�
50�
40�
30�
20�
10�
0
5�
0
CENTRIFUGAL PUMP SERIES 80
30�
20�
10�
0
TO
TAL
HE
AD
, ME
TE
RS
CAPACITY, U.S. GALLONS PER MINUTE
CAPACITY, CUBIC METERS/HR
TO
TAL
HE
AD
, FE
ET N
PS
H, F
EE
T
NP
SH
, ME
TE
RS
11D
10"
9"
40%
45%
50%
55%
60%
62%
64%
65%
65%
64%
62%
60%
55%
50%
45%
40%
5HP
3HP
101/2"
91/2"
N.P.S.H. REQUIRED
1150 RPM PUMP CURVES
27
TO
TAL
HE
AD
INFE
ET
TO
TAL
HE
AD
INM
ET
ER
S
CAPACITY IN CUBIC METERS/HR
CAPACITY IN U.S. GALLONS PER MINUTE
8x8x91/21150 R.P.M.
NP
SH
INM
ET
ER
S
NP
SH
INFE
ET
Impellers are trimmed in 1/8" incre-ments to supply required capacity.Responsibility for final impeller siz-ing remains with ITT Bell & Gossett.
3x3x111150 R.P.M.
B-170E
Impellers are trimmed in 1/8" incre-ments to supply required capacity.Responsibility for final impeller siz-ing remains with ITT Bell & Gossett.
1150 RPM PUMP CURVES
28
TO
TAL
HE
AD
INFE
ET
TO
TAL
HE
AD
INM
ET
ER
S
CAPACITY IN CUBIC METERS/HR
CAPACITY IN U.S. GALLONS PER MINUTE
6x6x111150 R.P.M.
NP
SH
INM
ET
ER
S
NP
SH
INFE
ET
Impellers are trimmed in 1/8" incre-ments to supply required capacity.Responsibility for final impeller siz-ing remains with ITT Bell & Gossett.
TO
TAL
HE
AD
INFE
ET
TO
TAL
HE
AD
INM
ET
ER
S
CAPACITY IN CUBIC METERS/HR
CAPACITY IN U.S. GALLONS PER MINUTE
4x4x111150 R.P.M.
NP
SH
INM
ET
ER
S
NP
SH
INFE
ET
Impellers are trimmed in 1/8" incre-ments to supply required capacity.Responsibility for final impeller siz-ing remains with ITT Bell & Gossett.
TO
TAL
HE
AD
INFE
ET
TO
TAL
HE
AD
INM
ET
ER
S
CAPACITY IN CUBIC METERS/HR
CAPACITY IN U.S. GALLONS PER MINUTE
8x8x111150 R.P.M.
NP
SH
INM
ET
ER
S
NP
SH
INFE
ET
Impellers are trimmed in 1/8" incre-ments to supply required capacity.Responsibility for final impeller siz-ing remains with ITT Bell & Gossett.
B-170E1150 RPM PUMP CURVES
29
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