H72H對(duì)夾升降式止回閥采用對(duì)夾式連接,結(jié)構(gòu)緊湊,閥瓣沿著中心定位作 升降運(yùn)動(dòng),由于閥瓣的關(guān)閉行程短,并有彈簧加載,關(guān)閉速度快,可顯著減少水錘現(xiàn)象。產(chǎn)品具有體積小、重量輕、動(dòng)作靈敏、密封可靠、安裝方便等特點(diǎn),特別適合于安裝空間受限制的場(chǎng)合采用,可適用于水、蒸氣、油品、硝酸、醋酸、強(qiáng)氧化性介質(zhì)等多種介質(zhì)。
H72H對(duì)夾升降式止回閥尺寸及重量:
公稱壓力 PN(MPa) | 公稱通徑 DN(mm) | 尺寸(mm) | 重量(kg) | 配管法蘭(供參考) | |||||
L | D | D1 | 螺栓孔中心圓直徑D1 | 螺栓數(shù)量 | 螺栓直徑d | 螺栓長(zhǎng)度L1 | |||
1.0 | 15 | 25 | 53 | 15 | 0.12 | 65 | 4 | M12 | 75 |
20 | 31.5 | 63 | 19 | 0.24 | 75 | 4 | M12 | 90 | |
25 | 35.5 | 73 | 24 | 0.3 | 85 | 4 | M12 | 90 | |
32 | 40 | 84 | 31 | 0.53 | 100 | 4 | M16 | 100 | |
40 | 45 | 94 | 39 | 0.80 | 110 | 4 | M16 | 105 | |
50 | 60 | 109 | 48 | 1.2 | 125 | 4 | M16 | 125 | |
65 | 67 | 129 | 73 | 3 | 145 | 4 | M16 | 155 | |
80 | 73 | 144 | 88 | 4 | 160 | 8 | M16 | 160 | |
100 | 73 | 164 | 108 | 6 | 180 | 8 | M16 | 165 | |
125 | 86 | 194 | 132 | 8 | 210 | 8 | M16 | 180 | |
150 | 98 | 220 | 160 | 13 | 240 | 8 | M20 | 205 | |
200 | 127 | 275 | 210 | 24 | 295 | 8 | M20 | 235 | |
250 | 146 | 330 | 266 | 35 | 350 | 12 | M20 | 255 | |
300 | 181 | 380 | 310 | 48 | 400 | 12 | M20 | 290 | |
350 | 184 | 440 | 355 | 78 | 460 | 16 | M20 | 295 | |
1.6 | 15 | 25 | 53 | 15 | 0.12 | 65 | 4 | M12 | 75 |
20 | 31.5 | 63 | 19 | 0.24 | 75 | 4 | M12 | 90 | |
25 | 35.5 | 73 | 24 | 0.34 | 82 | 4 | M12 | 90 | |
32 | 40 | 84 | 31 | 0.53 | 100 | 4 | M16 | 100 | |
40 | 45 | 94 | 39 | 0.80 | 110 | 4 | M16 | 105 | |
50 | 60 | 109 | 48 | 1.2 | 125 | 4 | M16 | 125 | |
65 | 67 | 129 | 73 | 3 | 145 | 4 | M16 | 155 | |
80 | 73 | 144 | 88 | 4 | 160 | 8 | M16 | 160 | |
100 | 73 | 164 | 108 | 6 | 182 | 8 | M16 | 165 | |
125 | 86 | 194 | 132 | 8 | 210 | 8 | M16 | 180 | |
150 | 98 | 220 | 160 | 13 | 240 | 8 | M20 | 205 | |
200 | 127 | 275 | 210 | 24 | 295 | 8 | M20 | 235 | |
250 | 146 | 332 | 266 | 35 | 350 | 12 | M20 | 255 | |
300 | 181 | 387 | 310 | 48 | 400 | 12 | M20 | 290 | |
350 | 184 | 447 | 355 | 78 | 460 | 16 | M20 | 295 |
公稱壓力 PN(MPa) | 公稱通徑 DN(mm) | 尺寸(mm) | 重量(kg) | 配管法蘭(供參考) | |||||
L | D | D1 | 螺栓孔中心圓直徑D1 | 螺栓數(shù)量 | 螺栓直徑d | 螺栓長(zhǎng)度L1 | |||
2.5 | 15 | 25 | 53 | 15 | 0.12 | 65 | 4 | M12 | 75 |
20 | 31.5 | 63 | 19 | 0.24 | 75 | 4 | M12 | 90 | |
25 | 35.5 | 73 | 24 | 0.34 | 85 | 4 | M12 | 90 | |
32 | 40 | 84 | 31 | 0.53 | 100 | 4 | M16 | 100 | |
40 | 45 | 94 | 39 | 0.80 | 110 | 4 | M16 | 105 | |
50 | 60 | 109 | 48 | 1.2 | 125 | 4 | M16 | 125 | |
65 | 67 | 129 | 73 | 3 | 145 | 8 | M16 | 160 | |
80 | 73 | 144 | 88 | 4 | 160 | 8 | M16 | 170 | |
100 | 73 | 168 | 108 | 6 | 190 | 8 | M20 | 180 | |
125 | 86 | 196 | 132 | 8 | 220 | 8 | M24 | 205 | |
150 | 98 | 224 | 160 | 14 | 250 | 8 | M24 | 220 | |
200 | 127 | 284 | 210 | 27 | 310 | 12 | M24 | 255 | |
250 | 146 | 341 | 266 | 42 | 370 | 12 | M27 | 285 | |
300 | 181 | 401 | 310 | 54 | 430 | 16 | M27 | 325 | |
350 | 184 | 458 | 355 | 86 | 490 | 16 | M30 | 340 | |
4.0 | 15 | 25 | 53 | 15 | 0.12 | 65 | 4 | M12 | 80 |
20 | 31.5 | 63 | 19 | 0.24 | 75 | 4 | M12 | 90 | |
25 | 35.5 | 73 | 24 | 0.34 | 85 | 4 | M12 | 90 | |
32 | 40 | 84 | 31 | 0.53 | 100 | 4 | M16 | 110 | |
40 | 45 | 94 | 39 | 0.80 | 110 | 4 | M16 | 115 | |
50 | 60 | 109 | 48 | 1.2 | 125 | 4 | M16 | 125 | |
65 | 67 | 129 | 73 | 4 | 145 | 8 | M16 | 160 | |
80 | 73 | 144 | 88 | 6 | 160 | 8 | M16 | 170 | |
100 | 73 | 168 | 108 | 8 | 190 | 8 | M20 | 180 | |
125 | 86 | 196 | 132 | 13 | 220 | 8 | M24 | 205 | |
150 | 98 | 224 | 160 | 16 | 250 | 8 | M24 | 220 | |
200 | 127 | 291 | 210 | 28 | 320 | 12 | M27 | 270 | |
250 | 146 | 353 | 266 | 49 | 385 | 12 | M30 | 300 | |
300 | 181 | 418 | 310 | 76 | 450 | 16 | M30 | 345 | |
350 | 222 | 475 | 355 | 114 | 510 | 16 | M33 | 400 |