| 圓螺母 |
| |||||
| | Size | A | G | D5 | C | |
| DN15 | 18.0 | RD34×1/8 | 44.0 | 25.0 | ||
| DN20 | 20.0 | RD44×1/8 | 54.0 | 31.0 | ||
| DN25 | 21.0 | RD52×1/8 | 63.0 | 36.0 | ||
| DN32 | 21.0 | RD58×1/8 | 70.0 | 42.0 | ||
| DN40 | 21.0 | RD65×1/8 | 78.0 | 49.0 | ||
| DN50 | 22.0 | RD78×1/8 | 92.0 | 62.0 | ||
| DN65 | 25.0 | RD95×1/8 | 110.0 | 80.0 | ||
| DN80 | 27.0 | RD110×1/4 | 125.0 | 94.0 | ||
| DN100 | 29.0 | RD130×1/4 | 148.0 | 115.0 | ||
| DN125 | 32.0 | RD160×1/4 | 178.0 | 138.0 | ||
| DN150 | 38.0 | RD190×1/4 | 210.0 | 164.0 | ||
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