Information shown may be subject to change in accordance with Challenger Valves and Actuators continuing development program. ©Challenger Valves and Actuators 2017 www.challengervalves.com.au

QAD#7050, RevE, 17.09.18

DUCTILE IRON KNIFEGATE RESILIENT SEAT 50-300MM MODEL - KGV41XSR & KGV641XSR

FEATURES AND BENEFITS

Ductile iron one piece body.

Resists deflection from line loads and internal pressure

Tested in accordance with MSS SP-81.

Full port non clogging design.

Yoke provides inherent structural rigidity and mechanical strength.

Uni-directional, suitable for low pressure sealing.

Gate fully guided with integral guide, preventing gate deflection.

Precision double sided machined gate ensures lower friction, reducing torques and maintenance downtime.

Rubber seal provides drip tight seal.

Epoxy coated (Stoving varnish) for superior corrosion protection

APPLICATIONS

Challenger Valves and Actuators are the “Right Choice for Valves and Actuation” when quality matters. Servicing industries such as : Mining, Water and Waste Water. This product can operate effectively with viscous media such as pulp, paper, slurries and powders.

TECHNICAL SPECIFICATION Construction: Semi lugged resilient seat

Knifegate Size: 50mm - 300mm (Larger sizes are available on request)

Pressure Rating: 50mm - 250mm: 10 BAR 300mm : 8 BAR

Face to Face: MSS SP-81 Flange Drilling: AS2129 (Table D) (Other drilling available on

request)

Design: Rising Stem Temperature Range: HY-CAR (NBR) -40°C to 80°C

OPTIONS

Actuators: ◦ Double Acting ◦ Spring Return ◦ Electric

Positioners Proximity Switches

Limit Switches

Solenoids

Deflection Cones

Safety Guards - Shrouds

Anti - Clockwise Closing Vacuum Service (bonneted only)

Information shown may be subject to change in accordance with Challenger Valves and Actuators continuing development program. ©Challenger Valves and Actuators 2017 www.challengervalves.com.au

QAD#7050, RevE, 17.09.18

DUCTILE IRON KNIFEGATE RESILIENT SEAT 50-300MM MODEL - KGV41XSR & KGV641XSR

DIMENSIONS AND WEIGHTS TORQUE, THRUST & Kv VALUES

Size (DN)

Face to Face (F-F)

Raised Face Dia

(RF)

Flange (OD)

Bolt Circle (BC)

Number & Size of Holes (N-Ød)

Tapping

Depth of

Blind Holes

C/L to Top

Closed (H-C)

C/L to Top

Open (H-O)

No. of Turns to

Fully Open

Hand wheel

Dia (H/W)

Weight (Kg) Torque

(Nm)

Thrust

(Kgs)

Nitrile Seat

(Kv) Table D Table D

50 48 95 152 114 4 X M16 8 296 361 15 180 8 55 981 206

80 51 127 190 146 4 X M16 10 345 440 22.5 200 10 90 2,327 494

100 51 154 215 178 4 X M16 10 383 498 27.5 200 12 110 3,926 927

150 58 216 280 235 4 X M16 12 482 647 32.5 250 22 160 6,163 2060

200 71 270 343 292 4 X M16 14 585 800 42 300 33 200 7,697 4017

250 71 328 405 356 4 X M20 15 712 971 43.5 350 50 274 9,593 5665

300 71 380 483 406 8 X M20 15 816 1136 52 350 64 435 10,439 8755

TECHNICAL : VALVE DETAILS

ITEM COMPONENT MATERIAL GRADE

1 Body Ductile Iron ASTM A536 GGG40

2 Gate Stainless Steel 316 ASTM A276 316

3 Seal NBR Nitrile

4 Bolting Steel ASTM A193 B7 & A194 2H

5 Packing PTFE PTFE

6 Gland Ductile Iron ASTM A536 GGG40

7 Indicator Steel ASTM A276 420

8 Stem Stainless Steel 316 ASTM A182 F316

9 Plate Steel ASTM A36

10 Block Steel ASTM A216 WCB

11 Hand Wheel Steel ASTM A36

2

1

3

4

6

8

7

9

3

10

11

H-C

N-Ød

H-O

HW

F-F

DN RF

BC OD

FLOW

Information shown may be subject to change in accordance with Challenger Valves and Actuators continuing development program. ©Challenger Valves and Actuators 2017 www.challengervalves.com.au

QAD#7050, RevE, 17.09.18

DUCTILE IRON KNIFEGATE RESILIENT SEAT 50-300MM MODEL - KGV41XSR & KGV641XSR

PNEUMATIC CYLINDER UPGRADE

Factory fitted double acting pneumatic cylinder.

Light weight Aluminium construction.

Fitted with air filter regulator, solenoid control pilot and

open & close proximity sensors as standard.

Stocked from 50mm to 300mm.

Uni-Directional

Table D Dimensions (mm)

DN L D D1 D2 N-Th H A W Weight

(kgs)

50 48 150 114 95 4 X M16 416 61 90 7

80 51 190 146 127 4 X M16 495 72 90 11

100 51 315 178 154 4 X M16 560 82 115 14.5

150 58 280 235 216 8 X M16 715 130 140 22

200 71 345 292 270 8 X M16 890 161 180 36.5

250 71 405 356 328 8 X M20 1060 188 215 58

300 71 485 406 380 12 X M20 1220 242 215 76

ITEM COMPONENT MATERIAL GRADE

1 Body Ductile Iron DIN GGG40

2 Gate Stainless Steel AISI 316

3 Retainer Stainless Steel AISI 316

4 Seal Nitrile

5 Packing PTFE

6 Gland Carbon Steel ASTM A216 WCB

7 Indicator Stainless Steel ASTM A276 420

8 Yoke Carbon Steel ASTM A3

9 Piston Rod Carbon Steel &

Cr AISI 1045 & Cr

10 Bolts Stainless Steel ASTM A193 B8

11 Cylinder Aluminium

12 Bolts Stainless Steel ASTM A193 B8

13 Nuts Stainless Steel ASTM A194 8

14 Safety Cover Stainless Steel AISI 304

15 Proximity Switches

16 Solenoid Valve

17 Air Filter

H

A

W