Screwed Type Malleable Cast iron Pipe Fittings - Class I Backnuts (locknuts)
JIS B 2301 (A16) - 2013 螺纹型可锻铸铁管件 - 锁紧螺母
See all versions and complete specifications: Screwed Type Malleable Cast iron Pipe Fittings - Class I Backnuts (locknuts) — Full Specification Page
| Size | P | k_max | s_max | s_min | k_nominal |
|---|---|---|---|---|---|
| 1 | 18 | 115 | 100 | 2.5 | / |
| 1/2 | 12 | / | 50 | 1.5 | 54 |
| 1/4 | 9 | / | 22 | 1.2 | 26 |
| 3/4 | 15 | 77 | 68 | 2.5 | / |
| 3/8 | 10 | / | 34 | 1.5 | 38 |
| 1-1/2 | 30 | 200 | 180 | 2.5 | / |
| 1-1/4 | 25 | 165 |
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| 150 |
| 2.5 |
| / |
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