HomeProductsValves (Cast & Ductile Iron)LUG TYPE BUTTERFLY VALVE (BFV-LB)

LUG TYPE BUTTERFLY VALVE (BFV-LB)

Specification

FOR BS 4504 PN10 / PN16 FLANGE MOUNTING
FACE-TO-FACE DIMENSION TO ISO 5752 / BS 5155 / BS EN 593
LEVER / WORM GEAR OPERATOR

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Pressure / Temperature Ratings

Working Pressure 16 bar
Testing Pressure Shell : 1.5 times
Seat : 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		 1452 Gr. 250
2789 Gr. 400
Disc Ductile Iron
Aluminum Bronze
Stainless Steel 304
Stainless Steel 316		 ENGJS-400
EN1982 CC491K
BS970 304 S15
BS970 316 S15
Seat Ring EPDM
NBR		  
Shaft Stainless Steel 410
Stainless Steel 431		 BS970 410 S21
BS970 431 S29
O-Ring NBR  
Bushing PTFE  

Dimensions

Size
mm		 A
mm		 B
mm		 C
mm		 D
mm		 E
mm		 G
mm
50 43 66 183 215 270 145
65 46 78 193 215 280 145
80 46 103 201 215 288 145
100 52 115 226 235 310 145
125 56 126 242 260 323 145
150 56 139 257 260 338 145
200 60 173 301 355 445 280
250 68 210 342 355 486 280
300 78 242 387 355 533 280
350 78 270 - - 558 280
400 102 307 - - 676 385
450 114 336 - - 702 385

Dimensions

Size
mm		 A
mm		 B
mm		 E
mm		 F
mm		 G
mm
500 127 373 733 260 280
600 154 429 877 300 385

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