HomeProductsValves (Cast & Ductile Iron)WAFER TYPE BUTTERFLY VALVES (BFV-W)

WAFER TYPE BUTTERFLY VALVES (BFV-W)

Specifications:

SUITABLE TO MULTI STANDARD
FACE-TO-FACE DIMENSION TO BS 5155 / BS EN 558-1 Sr.20
LEVER / WORM GEAR OPERATOR

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For a comprehensive overview of the product specifications mentioned above, feel free to download the product catalog here.

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Pressure/Temperature Ratings

Working Pressure 16 bar
Testing Pressure Shell : 24 bar (1.5 times)
Seat : 17.6 bar (1.1 times)
Working Temperature -20°C to 110°C (EPDM Seat)
-10°C to 80°C (NBR Seat)
Suitable Media Water & Oil

Materials

Part Material BS EN*
Body Cast Iron
Ductile Iron		 1561 GJL-250
1563 GJS-450-10
Disc Ductile Iron 1563 GJS-450-10
Aluminium Bronze 1982 CC333G
Stainless Steel 304 10283 GX5CrNi19-10
Stainless Steel 316 10283 GX5CrNiMo19-11-2
Seat Ring EPDM  
NBR  
Shaft Stainless Steel 410 10088-3 X12Cr13
  Stainless Steel 431 10088-3 X17CrNi16-2
O-Ring NBR  
Bushing Resin  
 

Dimensions

Size mm L mm A mm B mm C mm D mm E mm F mm
50 43 66 183 215 270 150 145
65 46 78 193 215 280 150 145
80 46 99 201 215 288 150 145
100 52 115 226 235 310 150 145
125 56 131 242 260 323 150 145
150 56 145 257 260 338 150 145
200 60 173 301 355 450 210 280
250 68 210 342 355 491 210 280
300 78 242 387 355 536 200 280
350 78 270 - - 561 200 280
Size mm L mm A mm D mm E mm F mm
400 102 307 680 243 280
450 114 336 706 243 280
500 127 373 747 243 280
600 154 429 885 296 385
650 165 468 880 296 385
700 165 523 1016 336 420
750 190 546 1032 336 420
800 190 581 1057 336 420
900 203 638 1108 357 420
1000 216 705 1196 357 420
1100 254 780 1285 450 420
1200 254 846 1397 450 420

Structure

Structure Image

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