
TOZEN BFW-WB25 PN25 Wafer Type Butterfly Valve Size DN50-DN350, DN400-DN600.
Specification
- For BS EN 1092-2 (BS4504) PN 25 Flange Mounting
- Face to face dimension to BS 5155/ BS EN 558-1 Sr.20
- Lever / Worm Gear Operator (DN50-DN350)
- Double Stage Worm Gear Operator (DN400-DN600)

Material :
Part | Material |
Body | Ductile Iron |
Disc | Ductile Iron Aluminum Bronze Stainless Steel 304 Stainless steel 316 |
Seat Ring | EPDM NBR |
Shaft | Stainless steel 431 |
Taper pins | Stainless steel 316 |
O-ring | NBR |
Bushing | RESIN |
Pressure / Temperature Ratings :
- Working Pressure : 25 bar
- Testing pressure :
Shell : 1,5 times
Seat : 1,1 times - Working Temperature :
-20 deg. C to 110 deg. C (EPDM Seat)
-10 deg. C to 80 deg. C (NBR Seat) - Suitable Media : Water and Oil
Also supply forĀ gate valve, check valve, butterfly valve, pressureĀ reducing valve (PRV), Safety valve, water hammer, air vent valve, strainer, flexible joint valve, ball valve, globe valve, etc.