Fireriser© Gate VaIves  
  Resilient Seated-250PSI-OS&Y Type
Fig No : GV-OSY-RW-1161-250
 
 
 
Materials List
 

Component

Material

Body

Ductile Iron ASTM A536 Gr. 65-45-12

Wedge

Ductile Iron ASTM A536 Gr. 65-45-12, EPDM Coated

Wedge Nut

Bronze ASTM B 62 C 83600

O-Ring

EPDM

Stem

Brass ASTM B 16 C 36000

Stainless Steel AISI 304

Gasket

EPDM

Bonnet

Ductile Iron ASTM A536 Gr. 65-45-12

Packing

Sq. Braided Non-Asbestos

Packing Gland

Ductile Iron ASTM A536 Gr. 65-45-12

Yoke Nut

Bronze ASTM B 62 C 83600

Washer

PTFE

Handwheel

Ductile Iron ASTM A536 Gr. 65-45-12

Lock Nut

Ductile Iron ASTM A536 Gr. 65-45-12, Chrome Plated

Bolts & Nuts

Stainless Steel

 
General Dimensions (mm/inch)
 

Valve
Size

65mm / 2-1/2"

80mm / 3"

100mm / 4"

150mm / 6"

200mm / 8"

250mm / 10"

300mm / 12"

mm

Inch

mm

Inch

mm

Inch

mm

Inch

mm

Inch

mm

Inch

mm

Inch

A

190.5

7-1/2

203.0

8

229.0

9

267.0

10-1/2

292.0

11-1/2

330.0

13

356.0

14

B(Open)

408.0

16-1/16

485.0

19-1/8

605.0

23-13/16

790.0

31-1/8

1002

39-7/16

1187

46-3/4

1422

56

B(Close)

350.0

13-13/16

414.0

16-5/16

491.0

19-5/16

628.0

24-3/4

776.0

30-9/16

933.0

36-3/4

1110

43-11/16

C

184.0

7-3/4

254.0

10

254.0

10

305.0

12

355.5

14

444.5

17-1/2

444.5

17-1/2

D

178.0

7

190.5

7-1/2

228.6

9

279.4

11

343.0

13-1/2

406.4

16

483.0

19