HomeProductsValves (Cast & Ductile Iron)DOUBLE FLANGE BUTTERFLY UNIVERSAL TYPE (BFV-DU)

DOUBLE FLANGE BUTTERFLY UNIVERSAL TYPE (BFV-DU)

Specification

UNIVERSAL TYPE • FLANGED TO BS EN 1092 PN16 / PN10
FACE-TO-FACE DIMENSION TO ISO 5752 / BS EN 593 / MSS SP-67 / API 609
DOUBLE STAGE 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.

Pressure / Temperature Ratings

  Cast Iron Ductile Iron
Working Pressure 10 bar 16 bar
Testing Pressure Shell: 15 bar
Seat: 11 bar
Shell: 24 bar
Seat: 17.6 bar
Working Temperature -20°C to 110°C (EPDM Seat)
-10°C to 80°C (NBR Seat)
Suitable Media Water, Oil & Gas Water, Oil & Gas

Materials

Part Material BS
Body Cast Iron
Ductile Iron
1452 Gr. 220
2789 Gr. 500/7, 420/12
Disc Ductile Iron
Aluminium Bronze
Stainless Steel 304
Stainless Steel 316
2789 Gr. 500/7, 420/12
1400 AB2
970 304C 15
970 316C 16
Seat Ring EPDM
NBR
Viton
 
Shaft Stainless Steel 410
Stainless Steel 431
Stainless Steel 316
970 430 S37
970 431 S29
970 316 S16
Taper Pins Stainless Steel 316 970 316 S16
O-Ring NBR  
Bushing Luberized Bronze 1400 LG2

Note:

  1. Actuator mounting flange conforms to ISO 5211 drilling.
  2. The butterfly valve can be supplied with electric or pneumatic actuator.
  3. JIS B2239 10K and ANSI 150 flange standards available upon request.
  4. If used for gas application, please consult our sales office.
  5. Design and specifications are subject to change without prior notice.

Structure

Dimensions

Size (mm) L (mm) L1 (mm) L2 (mm) D (mm) H (mm) H1 (mm) A (mm)
400 365 107 169.5 285 400 333 85/102
450 365 107 169.5 285 422 364 104.6/114
500 365 107 169.5 285 480 389 127/130.8
600 416 131 195.5 385 562 453 151
650 612 201 263.5 425 540 472 179
700 612 201 263.5 425 626 527 169
750 612 201 263.5 425 660 554 175
800 612 201 263.5 425 666 605 195
900 612 201 263.5 425 720 668 211
1000 612 201 263.5 425 806 728 224
1050 724 214 306 425 865 770 261
1100 724 214 306 425 820 796 261
1200 724 214 306 425 938 855 284