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H71对夹升降式止回阀(国标)H71 wafer type lift check valve(GB standard)
公称压力 PN(MPa) orminal pressure | 公称通径 DN(mm) Norminal diameter | 尺寸(mm)Dimension | 重量(kg) Weight | 配管法兰(供参考) Flange(as referenced) |
L | D | D3 | D2 | 螺栓孔中 心圆直径D1 Diameter of the bolt | 螺栓数量 Quantity of the bolt | 螺栓直径d Diameter of the bolt | 螺栓长度L1 Length of the bolt |
4.0 | 15 | 16 | 52 | 15 | 44 | 0.12 | 65 | 4 | M12 | 80 |
20 | 19 | 62 | 19 | 52 | 0.24 | 75 | 4 | M12 | 90 |
25 | 22 | 72 | 24 | 60 | 0.34 | 85 | 4 | M12 | 90 |
32 | 28 | 83 | 31 | 72 | 0.53 | 100 | 4 | M16 | 110 |
40 | 31.5 | 93 | 39 | 74 | 0.80 | 110 | 4 | M16 | 115 |
50 | 40 | 109 | 48 | 98 | 1.2 | 125 | 4 | M16 | 125 |
65 | 46 | 129 | 63 | 117 | 2.2 | 145 | 8 | M16 | 135 |
80 | 50 | 144 | 78 | 128 | 3.1 | 160 | 8 | M16 | 145 |
100 | 60 | 168 | 98 | / | 9 | 190 | 8 | M20 | 160 |
125 | 90 | 196 | 123 | / | 14 | 220 | 8 | M24 | 205 |
150 | 106 | 224 | 148 | / | 18 | 250 | 8 | M24 | 225 |
200 | 140 | 291 | 198 | / | 28 | 320 | 12 | M27 | 275 |
250 | 160 | 353 | 248 | / | 42 | 385 | 12 | M30 | 295 |