H44W不锈钢旋启式止回阀
设计制造 | GB/T12236 |
结构长度 | GB/T12221 |
连接法兰 | GB/T9113 JB/T79 HG20592 |
压力试验 | GB/T13927 |
产品型号 | 公称压力MPa | 试验压力MPa | 适用温度℃ | 适用介质 | |
壳体试验 | 密封试验 | -29~425℃ | 水、气、油品等非腐蚀性介质 | ||
H44H-10P | 1.0 | 1.5 | 1.1 | ||
H44H-16P | 1.6 | 2.4 | 1.8 | ||
H44H-25P | 2.5 | 3.8 | 2.8 | ||
H44H-40P | 4.0 | 6.0 | 4.4 | ||
H44H-64P | 6.4 | 9.6 | 7.0 | ||
H44H-100P | 10.0 | 15.0 | 11.0 |
公称通径DN | 结构长度 | 法兰外径 | 螺栓孔中心圆 | 密封面直径 | 法兰厚度 | 密封面台阶高 | 螺栓孔数与孔径 |
L | D | D1 | D2 | b | f | n-¢d | |
50 | 230 | 160 | 125 | 100 | 16 | 3 | 4-18 |
65 | 290 | 180 | 145 | 120 | 18 | 3 | 4-18 |
80 | 310 | 195 | 160 | 135 | 20 | 3 | 8-18 |
100 | 350 | 215 | 180 | 155 | 20 | 3 | 8-18 |
125 | 400 | 245 | 210 | 185 | 22 | 3 | 8-18 |
150 | 480 | 280 | 240 | 210 | 24 | 3 | 8-23 |
200 | 500 | 335 | 295 | 265 | 26 | 3 | 12-23 |
250 | 550 | 405 | 355 | 320 | 30 | 3 | 12-25 |
300 | 650 | 460 | 410 | 375 | 30 | 4 | 12-25 |
350 | 750 | 520 | 470 | 435 | 34 | 4 | 16-25 |
400 | 850 | 580 | 525 | 485 | 36 | 4 | 16-30 |
450 | 950 | 640 | 585 | 545 | 40 | 4 | 20-30 |
500 | 1025 | 705 | 650 | 608 | 44 | 4 | 20-34 |