Marine Cast Iron Wafer Butterfly Valve with Bronze Disc
Product Description
Marine Cast Iron Wafer Butterfly Valve with Bronze DIsc
Design Standard: API609
Size: DN50-DN1200
Max Working Pressure: 5K/10k/16k/class150/ class300/PN10/PN16
Operation Type: Lever, Worm Gear, Electric Actuator, Pneumatic Actuator, Hydraulic Actuator
Main Material:
1-Body: Cast Iron/Ductile Iron/Cast Steel/Stainless Steel
2-Disc: DI or WCB with galv, Stainless Steel, Bronze
3-Pin: Stainless Steel
4-Seat: NBR, EPDM,CR,FKM,VITION,PTFE
5-Stem: Stainless Steel
6-Busing: PTFE
7-O ring: NBR
8-Indicator: Carbon Steel
9-Lever: Malleable Iron
10-Bolt: Carbon Steel
The Service Temperature for Seat Material:
| Rubber Seat Material | Service Temperature range °C | Kind of Fluid |
| NBR | 0-70 | sea water, fresh water, bilge, ballat,liquefied gas,lubricating oil,fuel oil,cargo oil,hydraulice oil |
| CR | 0-70 | air |
| EPDM | 0-120 | sea water, fresh water, acid gas |
| FKM | 0-90 | cargo oil |