蝶式止回閥的結(jié)構(gòu)類似于蝶閥。其結(jié)構(gòu)簡單、流阻較小,水錘壓力亦較小
型號(hào) | 公稱壓力 PN (MPa) | 公稱通徑 DN (mm) | 尺寸(mm) | 重量 (Kg) | |||||||
L | D | D1 | D2 | b | Z-d | D3 | H | ||||
H44H-16C H44W-16P H44W-16R | 1.6 | 40 | 200 | 145 | 110 | 88 | 20 | 4-18 | 145 | 103 | 15.2 |
50 | 230 | 160 | 125 | 102 | 20 | 4-18 | 185 | 160 | 21.3 | ||
65 | 290 | 180 | 145 | 122 | 22 | 8-18 | 215 | 175 | 28.1 | ||
80 | 310 | 195 | 160 | 133 | 22 | 8-18 | 235 | 185 | 37.6 | ||
100 | 350 | 230 | 180 | 158 | 24 | 8-23 | 270 | 220 | 56.7 | ||
125 | 400 | 270 | 210 | 184 | 28 | 8-25 | 340 | 248 | 91 | ||
150 | 480 | 300 | 240 | 212 | 30 | 8-25 | 375 | 270 | 129 | ||
200 | 550 | 360 | 295 | 268 | 34 | 12-25 | 435 | 350 | 210 | ||
250 | 650 | 425 | 355 | 320 | 36 | 12-30 | 515 | 415 | 290 | ||
300 | 750 | 485 | 410 | 370 | 40 | 16-30 | | | 320 | ||
350 | 850 | 550 | 470 | 430 | 44 | 16-34 | | | 420 |