Malleable Cast Iron Pipe Fittings - Type Size - No - Square Inner Joint (Nipples)
GB 3289.23 - 1982 可锻铸铁管路连接件型式尺寸 无方内接头
See all versions and complete specifications: Malleable Cast Iron Pipe Fittings - Type Size - No - Square Inner Joint (Nipples) — Full Specification Page
| Size | P | s_max | s_min |
|---|---|---|---|
| 6 | 1/4 | 22 | 12 |
| 8 | 1/2 | 30 | 20 |
| 10 | 1 | 38 | 28 |
| 15 | 1-1/2 | 44 | 34 |
| 20 | 2-1/2 | 60 | 50 |
| 25 | 3-1/2 | 70 | 60 |
| 32 | 5 | 88 | 78 |
| 40 | 6 | 88 |
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| 78 |
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