旋啟式止回閥是能自動阻止流體倒流的閥門。止回閥的閥瓣在流體壓力作用下開啟,流體從進口側流向出口側。當進口側壓力低于出口側時,閥瓣在流體壓差、本身重力等因素作用下自動關閉以防止流體倒流。
旋啟式止回閥H44T型外型尺寸和連接尺寸
型號 Type | 公稱通徑Nominaㄧф DN(mm) | 尺寸 Measurement(mm) | 重量 Weight (kg) | ||||||
L | D | D1 | D2 | b-f | Z-фd | H | |||
H44T | 40 | 200 | 145 | 110 | 85 | 18-3 | 4-18 | 110 | 9.5 |
50 | 230 | 160 | 125 | 100 | 20-3 | 4-18 | 120 | 13 | |
65 | 290 | 180 | 145 | 120 | 20-3 | 4-18 | 130 | 18.5 | |
80 | 310 | 195 | 160 | 135 | 22-3 | 4-18 | 140 | 25.5 | |
100 | 350 | 215 | 180 | 155 | 22-3 | 8-18 | 170 | 33 | |
125 | 400 | 245 | 210 | 185 | 24-3 | 8-18 | 192 | 49 | |
150 | 480 | 280 | 240 | 210 | 24-3 | 8-23 | 215 | 65 | |
200 | 495 | 335 | 295 | 265 | 26-3 | 8-23 | 240 | 88 | |
250 | 600 | 390 | 350 | 320 | 28-3 | 12-23 | 265 | 132 | |
300 | 698 | 440 | 400 | 368 | 28-4 | 12-23 | 350 | 205 | |
350 | 800 | 500 | 460 | 428 | 30-4 | 16-23 | 405 | 265 | |
400 | 900 | 565 | 515 | 482 | 32-4 | 16-25 | 430 | 395 | |
500 | 978 | 670 | 620 | 585 | 34-4 | 20-25 | 480 | 650 |