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| Chinese National Standard Category: Valve |
| English Title: | Pilot operated safety valves |
| Chinese Title: | 先导式安全阀 |
| Standard No.: | GB/T 28778-2023 |
| Category No.: | J16 |
| Issued by: | SAMR; SAC |
| Issued on: | 2023-9-7 |
| Implemented on: | 2024-4-1 |
| Status: | valid |
| Superseded by: | |
| Superseded on: | |
| Abolished on: | |
| Superseding: | GB/T 28778-2012 Pilot-operated safety valves |
| Word Count: | 8500 words |
| Similar Standards: |
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