H44F46型旋启式衬氟止回阀:轴与阀瓣设计为一体,全部衬FEP的(销)轴,镶嵌在阀体与阀盖之间形成的特殊凹槽内,启闭灵活,密封可靠。
2、H42F6立式衬氟止回阀:衬氟阀瓣沿阀体通路轴线做升降运动。
3、H41F46升降式衬氟止回阀:衬氟阀瓣垂直于阀体进、出口轴线作升降运动。
耐腐蚀衬氟止回阀–主要零部件材料
零件名称 | 碳钢 | 不锈钢 | |||
C | P | R | PL | RL | |
阀体、阀盖、阀瓣 | WCB | CF8 | CF8M | CF3 | CF3M |
内衬材料 | FEP(F46)、PTFE(F4)、PFA(可溶性聚四氟乙烯)、PO(聚烯烃)、PE(超高分子量聚乙烯) | ||||
螺栓 | 35 | 1Cr17Ni2 | 1Cr17Ni2 | 1Cr18Ni9Ti | 1Cr18Ni9Ti |
螺母 | 45 | 0Cr18Ni9 | 0Cr18Ni9 | 0Cr18Ni9 | 0Cr18Ni9 |
公称压力 PN(MPa) | 公称通径 | 主要尺寸(mm) | |||||||||
DN(mm) | NPS(in) | L | L1 | L2 | D | D1 | D2 | f | b | Z-d | |
1.6 | 15 | 1/2 | 130 | 130 | 80 | 95 | 65 | 45 | 3 | 15 | 4-14 |
20 | 3/4 | 150 | 150 | 90 | 105 | 75 | 55 | 3 | 17 | 4-14 | |
25 | 1 | 160 | 160 | 100 | 115 | 85 | 65 | 3 | 17 | 4-14 | |
32 | 1-1/4 | 180 | 180 | 110 | 140 | 100 | 75 | 3 | 19 | 4-18 | |
40 | 1-1/2 | 200 | 200 | 125 | 150 | 110 | 85 | 3 | 19 | 4-18 | |
50 | 2 | 230 | 230 | 140 | 165 | 125 | 100 | 3 | 21 | 4-18 | |
65 | 2-1/2 | 290 | 290 | 160 | 185 | 145 | 120 | 3 | 21 | 4-18 | |
80 | 3 | 310 | 310 | 185 | 200 | 160 | 135 | 3 | 22 | 8-18 | |
100 | 4 | 350 | 350 | 210 | 220 | 180 | 155 | 3 | 23 | 8-18 | |
125 | 5 | 400 | 400 | 250 | 250 | 210 | 185 | 4 | 24 | 8-18 | |
150 | 6 | 480 | 480 | 300 | 285 | 240 | 210 | 4 | 26 | 8-23 | |
200 | 8 | 600 | 495 | 380 | 340 | 295 | 265 | 4 | 26 | 12-23 | |
250 | 10 | 620 | 600 | 420 | 405 | 355 | 320 | 4 | 28 | 12-26 | |
2.5 | 15 | 1/2 | 130 | 130 | 80 | 95 | 65 | 45 | 3 | 15 | 4-14 |
20 | 3/4 | 150 | 150 | 90 | 105 | 75 | 55 | 3 | 17 | 4-14 | |
25 | 1 | 160 | 160 | 100 | 115 | 85 | 65 | 3 | 17 | 4-14 | |
32 | 1-1/4 | 180 | 180 | 110 | 140 | 100 | 75 | 3 | 19 | 4-18 | |
40 | 1-1/2 | 200 | 200 | 125 | 150 | 110 | 85 | 3 | 19 | 4-18 | |
50 | 2 | 230 | 230 | 140 | 165 | 125 | 100 | 3 | 21 | 4-18 | |
65 | 2-1/2 | 290 | 290 | 160 | 185 | 145 | 120 | 3 | 23 | 8-18 | |
80 | 3 | 310 | 310 | 185 | 200 | 160 | 135 | 3 | 25 | 8-18 | |
100 | 4 | 350 | 350 | 210 | 235 | 190 | 155 | 3 | 25 | 8-22 | |
125 | 5 | 400 | 400 | 250 | 270 | 220 | 185 | 4 | 28 | 8-26 | |
150 | 6 | 480 | 480 | 300 | 300 | 250 | 210 | 4 | 30 | 8-26 | |
200 | 8 | 600 | 495 | 380 | 360 | 310 | 275 | 4 | 32 | 12-26 | |
250 | 10 | 620 | 600 | 420 | 425 | 370 | 330 | 4 | 34 | 12-30 |