衬氟旋启式止回阀
时间:2017-09-04 阅读:202
衬氟旋启式止回阀设计与制造符合中国国家标准基本结构形式:旋启式、直通升降式公称压力PN0.6~1.6(MPa)公称通径DN15~500(mm)基本型号H41JH41Fs H44J H44Fs H41-F3/F46止回阀。
遵循规范 | STANDARD |
设计与制造 | GB12235/GB12236 |
结构长度 | GB12221/JB96(长一短系列) |
法兰尺寸 | JB78/JB79(GB HG SH) |
试验压力 | GB/T13927 |
标志 | GB12220 |
供货 | GB/T12252 |
衬氟旋启式止回阀主要零件材料表:
序号 | 零件名称 | 灰铸铁 | 铸钢 | 不锈钢 | 超低碳不锈钢 | ||
Z | C | P | R | PL | RL | ||
1 | 阀体、阀盖 | HT250 | WCB | CF8 | CF8M | CF3 | CF3M |
2 | 衬里层/阀盖 | 衬硬橡胶(NR)FEP(F46)PCTFE(F3)PFA(可溶性聚四氟乙烯) | |||||
3 | 轴、阀瓣(板) | 1 Cr13/35WCB 1Cr18Ni9/CF8 00Cr17Ni14Mo2/CF3M | |||||
4 | 螺栓 | 35 | 35 | 1Cr17Ni2 | 1Cr17Ni2 | 1Cr18Ni9Ti | 1Cr18Ni9Ti |
5 | 螺母 | 45 | 45 | 0Cr18Ni9 | 0Cr18Ni9 | 0Cr18Ni9 | 0Cr18Ni9 |
衬氟旋启式止回阀主要连接尺寸及重量:
公称通径 | 标准值 | 参考值 | |||||||||
DN(mm) | NPS(inch) | L | D | D1 | D2 | f | b | Z-Φd | B | H | W(kg) |
PN0.6(MPa) | |||||||||||
15 | 1/2 | 130 | 80 | 55 | 40 | 2 | 12 | 4-Φ12 | 105 | 55 | 4 |
20 | 3/4 | 150 | 90 | 65 | 50 | 2 | 14 | 4-Φ12 | 115 | 58 | 5 |
25 | 1 | 160 | 100 | 75 | 60 | 2 | 14 | 4-Φ12 | 128 | 60 | 6 |
32 | 1 1/4 | 180 | 120 | 90 | 70 | 2 | 16 | 4-Φ14 | 145 | 75 | 7 |
40 | 1 1/2 | 200 | 130 | 100 | 80 | 3 | 16 | 4-Φ14 | 160 | 82 | 8 |
50 | 2 | 230 | 140 | 110 | 90 | 3 | 16 | 4-Φ14 | 178 | 95 | 10 |
65 | 2 1/2 | 290 | 160 | 130 | 110 | 3 | 16 | 4-Φ14 | 205 | 105 | 20 |
80 | 3 | 310 | 185 | 150 | 125 | 3 | 18 | 4-Φ18 | 230 | 120 | 25 |
100 | 4 | 350 | 205 | 170 | 145 | 3 | 18 | 4-Φ18 | 255 | 135 | 30 |
125 | 5 | 400 | 235 | 200 | 175 | 3 | 20 | 8-Φ18 | 305 | 158 | 50 |
150 | 6 | 480 | 260 | 225 | 200 | 3 | 20 | 8-Φ18 | 345 | 180 | 65 |
200 | 8 | 495 | 315 | 280 | 255 | 3 | 22 | 8-Φ18 | 415 | 215 | 137 |
250 | 10 | 622 | 370 | 335 | 310 | 3 | 24 | 12-Φ18 | 490 | 240 | 150 |
300 | 12 | 698 | 435 | 395 | 362 | 4 | 24 | 12-Φ23 | 540 | 265 | 185 |
350 | 14 | 787 | 485 | 445 | 412 | 4 | 26 | 12-Φ23 | 585 | 300 | 215 |
400 | 16 | 914 | 535 | 495 | 462 | 4 | 28 | 16-Φ23 | 625 | 360 | 244 |
450 | 18 | 978 | 590 | 550 | 518 | 4 | 28 | 16-Φ23 | 680 | 385 | 276 |
500 | 20 | 978 | 640 | 600 | 568 | 4 | 30 | 16-Φ23 | 740 | 415 | 315 |