Marine Double Flanged Butterfly Valve with Worm Gear
Product Description
Specifications
1)good quality with test certificate
2).with one year's warranty
3)CCS,DNV, BV,ABS,RINA cert
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 °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 |