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| Chinese National Standard Category: Pipeline fittings |
| English Title: | Metallic ring joint gaskets for steel pipe flanges—Part 1：PN designated |
| Chinese Title: | 钢制管法兰用金属环垫 第1部分：PN系列 |
| Standard No.: | GB/T 9128.1-2023 |
| Category No.: | J15 |
| 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| Superseded by: | |
| Superseded on: | |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 9128-2003 Dimensions of metallic ring-joint gaskets for use with steel pipe flanges GB/T 9130-2007 Specification of metallic ring-joint gaskets for steel pipe flanges |
| Word Count: | 8500 words |
| Similar Standards: |
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