Marine Equipment
GB Marine Double Flanged Butterfly Valve with Worm Gear
Design Standard: ISO Size: DN50-DN1200 Working Pressure: 1.0Mpa,1.6Mpa Operation Type: Lever or Worm Gear Main Material: 1-Body: Cast Iron, Ductile Iron,...
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GB Marine Double Flanged Butterfly Valve with Worm Gear
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China GB Marine Double Flanged Butterfly Valve with Worm Gear:
Design Standard: ISO
Size: DN50-DN1200
Working Pressure: 1.0Mpa,1.6Mpa
Operation Type: Lever or Worm Gear
Main Material:
1-Body: Cast Iron, Ductile Iron, Cast Steel, Bronze, Stainless Steel, Aluminum Alloy.
2-Stem: Stainless Steel
3-Disc: DI or WCB with galv, Stainless Steel, Bronze
4-Gear: Ductile Iron
5-Seat: NBR, EPDM,CR,FKM,VITION,PTFE
6-Busing: PTFE
7-O ring: NBR
8-Pin: Stainless Steel
The Service Temperature for Seat Material:
| Rubber Seat Material | Service Temperature range ℃ | 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 |
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