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| Type | H42W |
| DN | DN50~300mm |
| PN | 2.5Mpa, 10K |
| Suitable medium | water, gas, oil |
| flow direction | one way |
| structure | ball |
| application | water treating equipment |
| End Flange Standard | JIS B2212 B2214 |
| Test standard | JIS B2003 |
| Function | installed at the bottom in water sucking of water |
| pump, avoid back flow | |
| Operation | hydraulic control |
