Marine Cast Iron Flanged Stop Valve GB/T 590-1993
- Marine Cast Iron Flanged Stop Valve GB/T 590-1993
- Marine Cast Iron Flanged Screw Down Non-Return Valve GB/T 591-1993
- Type: A, AS, B, BS
Technical Data
| Nominal Pressure Mpa |
Nominal Diameter mm |
Application Medium |
| 0.6 | 500~300 | Sea water, fresh water, fuel oil and steam ( t≤220℃) |
| 1.0 | 65~250 | Sea water, fresh water, fuel oil and steam ( t≤220℃) |
| 1.6 | 20~50 | Sea water, fresh water, fuel oil and steam ( t≤220℃) |
Material
| Name | Material | Marks |
| Body, Cover | Cast Iron | HT200 |
| Disc | Cast Tin Bronze | ZCuSn10Zn2 |
| Stem | Aluminum | CuAl9Mn2 |