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BUTTERFLY VALVES - WAFER TYPE
 

BUTTERFLY VALVES - WAFER TYPE

 
BUTTERFLY VALVES FEATURES :
 
Heavy duty, wafer & Lugged Type , buuble tight shut- off, Bi- directional, PFA lined / unlined single piecce disc & stem. PTFE stem bearings reulting in self lubrication & Low torque. Valves are suitable to handle highly corrosive liquid, gases, slurries etc. Valves with most advanced features that provide an ultimate dependable ecomomical flow control.
 
DESIGN STD : API 609 TESTING STD : EN 12266 - 1 & API 598
Test pressure in bar (psi)
Pressure Rating
PNG
PN10
hyd.
Shell
9 (131 )
15 (218)
-
Seat
6.6 (96)
11 (160)
Air
Seat
4 (58 )
6 (87)
 
BUTTERFLY VALVES - WAFER TYPE

 Dimensions are in mm (inch)

 SIZE

A

B

C

d 2)

F

Wt1)

 mm (inch)

 

 

 

 

 

 

 50 (2)

43 (1.7)

100 (3.9)

63 (2.5)

32 (1.3)

300 (11.8)

3.8 (8.3)

 65 (21/2)

46 (1.8)

122 (4.8)

70 (2.8)

48 (1.9)

300 (11.8)

4.5 (10)

 80 (3)

46 (1.8)

133 (5.2)

77 (3.0)

64 (2.5)

300 (11.8)

5.0 (11)

 100 (4)

52 (2.0)

153 (6.0)

93 (3.7)

91 (3.6)

300 (11.8)

8.0 (18)

 125 (5)

56 (2.2)

152 (6.0)

113 (4.4)

116(4.6)

300 (11.8)

9.0 (20)

 150 (6)

56 (2.2)

174 (6.8)

123 (4.8)

135 (5.3)

300 (11.8)

10 (22)

 200 (8)

60 (2.4)

211 (8.3)

170 (6.7)

191 (7.5)

*

26 (57)

 250 (10)

67 (2.6)

230(9.1)

202 (8.0)

239 (9.4)

*

33 (73)

 300 (12)

78 (3.1)

308 (12.1)

228 (9.0)

290 (11.4)

*

60 (132)

 350 (14)

78 (3.1)

320 (12.6)

275 (10.8)

332 (13.4)

*

90 (198)

 400 (16)

102 (4.0)

350 (13.8)

316 (12.4)

378 (14.9)

*

102 (225)

 450 (18)

114 (4.5)

380 (15.0)

330 (13.0)

425 (16.7)

*

119 (262)

 500 (20)

127 (5.0)

415 (16.3)

375 (14.8)

485 (19.1)

*

155 (342)

 600 (24)

154 (6.1)

500 (19.7)

440 (17.3)

570 (22.4)

*

252 (556)

 
Materials
Body (spilt)
Steel : ASTM A216 Gr. WCB / Stainless steel ASTM A351 Gr. CF8 / CF8M
Disc / Disc lining
Stainless steel ASTM A747 Gr. CB7Cu-1 (17 - 4Ph ) / Pfa, FEP
Disc (integral stem)
Unlined ASTM A351 Gr. CF8M / CN7M / ASTM A494 HAST- B / HAST- C
Seat
PTFE
Seat back up
EPDM / Silicon / Voton
Handle Unit
Steel : ASTM a216 Gr. WCB