| 接口型式 | 规 格 | 适用介质 | ||
| 名称 | 代号 | 公称通径mm | 公称压力MPa | |
| 水带接口 | KD | 25、40、50、65、80 |
1.6 2.5 |
水、水和泡沫混合液 |
| KDN | ||||
| 管牙接口 | KY | |||
| 闷盖 | KM | |||
| 内螺纹固定接口 | KN | |||
| 外螺纹固定接口 | KWS、KWA | |||
| 异径接口 | KJ | 两端通径可在通径系列内组合 | ||
| 公称通经 | 25 | 40 | 50 | 65 | 80 | ||
| d | KD |
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| n | 4.5±0.09 | 5±0.09 | 5±0.09 | 5.5±0.09 | 5.5±0.09 | ||
| L | KD、KDN | ≥59 | ≥67.5 | ≥67.5 | ≥82.5 | ≥82.5 | |
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| L1 | KD、KDN |
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| l |
KWS、KWA KN、KY |
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| S | KWS |
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| KWA | S |
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