Wafer type Marine Butterfly Valve
Wafer type Marine Butterfly Valve with type approval by Lloyds, DNV, B.V, ABS, and GL. Available with the ductile iron body and Ali-bronze or stainless steel disc.
Al-Bronze Wafer type marine butterfly valve drawing
Wafer type Marine Butterfly Valve Standard
| Valve Standard: | MSS SP-67 API 609 Category A BS EN593/BS5155 |
| Nominal diameter: | 1.5″-48″/DN40-DN1200 |
| Working pressure: | 10Bar/16Bar |
| Face-to-face: | API 609 Table 1 ISO 5752 Series 20 EN 558 Series 20 (DIN 3202 T3 K1) BS 5155 Series 4 |
| Flange accommodation: | ANSI B16.1 Class125/150 DIN 2501 PN6/10/16 EN1092-2 PN6/10/16 JIS B2220 5K/10K |
| Top Flange: | ISO5211 |
| Tightness check: | API 598 ISO 5208, EN12226-2 |
Wafer type Marine Butterfly Valve Material
1-Body: Cast Iron, Ductile Iron or Cast Steel
2-Stem: Stainless Steel
3-Disc: DI or WCB with galvanized steel, Stainless Steel, Bronze
4-Gear: Ductile Iron
5-Seat: NBR, EPDM,CR,FKM,VITON,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, ballet, liquefied gas, lubricating oil, fuel oil, cargo oil, hydraulic oil |
| CR | 0-70 | air |
| EPDM | 0-120 | sea water, fresh water, acid gas |
| FKM | 0-90 | cargo oil |
Wafer type Marine Butterfly Valve Valve Data
*The size is for 10K for your reference.
Please note that the above specifications are “general specifications” that pertain to the majority of our products. These specifications should only be used for general, informational purposes. The measurement/size of the goods delivered may be different from the data in the above table, please check with us when order placed.
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