H42F46/H42F3衬氟止回阀(升降立式)启闭件靠介质本身的能力而自行开启或关闭,以防止介质倒流的阀门。H42F46/H42F3衬氟止回阀(升降立式)属于自动阀类,主要用于介质单向流动的管道上,只允许介质向一个方向流动,以防止发生事故。
【技术规范】
设计与制造 | GB12235 |
结构长度 | 企业标准Q/DFL-05-99 |
法兰标准 | JB78/JB79(或按合同要求) |
检验试验 | GB/T13927 |
标志 | GB12220 |
供货 | GB/T12252 |
【主要零部件材料表】
序号 | 零件名称 | 材料 | |||||
1 | 上下阀体、阀盖 | 灰铸铁,铸钢,不锈钢,内衬F46,F3 | |||||
2 | 阀瓣 | 优碳钢,不锈钢,内衬F46,F3 | |||||
3 | 垫圈 | F46,F3 |
【结构图】
【连接尺寸】
公称通径 | 标准值 | ||||||||
DN(mm) | NPS(inch) | L | D | D1 | D2 | f | b | Z-Φd | W(Kg) |
PN0.6Pa | |||||||||
15 | 1/2 | 135 | 80 | 55 | 40 | 2 | 12 | 4-Φ12 | 2.5 |
20 | 3/4 | 145 | 90 | 65 | 50 | 2 | 14 | 4-Φ12 | 3.5 |
25 | 1 | 155 | 100 | 75 | 60 | 2 | 14 | 4-Φ12 | 4 |
32 | 11/4 | 170 | 120 | 90 | 70 | 2 | 16 | 4-Φ14 | 5 |
40 | 11/2 | 183 | 130 | 100 | 80 | 3 | 16 | 4-Φ14 | 6 |
50 | 2 | 185 | 140 | 110 | 90 | 3 | 16 | 4-Φ14 | 8 |
65 | 21/2 | 196 | 160 | 130 | 110 | 3 | 16 | 4-Φ14 | 10 |
80 | 3 | 212 | 185 | 150 | 125 | 3 | 18 | 4-Φ18 | 13 |
100 | 4 | 275 | 205 | 170 | 145 | 3 | 18 | 4-Φ18 | 25 |
150 | 6 | 405 | 260 | 225 | 200 | 3 | 20 | 8-Φ23 | 46 |
200 | 8 | 510 | 315 | 280 | 255 | 3 | 22 | 8-Φ23 | 100 |
250 | 10 | 622 | 370 | 335 | 310 | 3 | 24 | 12-Φ23 | 155 |
300 | 12 | 698 | 435 | 395 | 362 | 4 | 24 | 12-Φ23 | 180 |
350 | 14 | 787 | 485 | 445 | 412 | 4 | 26 | 12-Φ23 | 220 |
400 | 16 | 914 | 535 | 495 | 462 | 4 | 28 | 16-Φ23 | 275 |
450 | 18 | 978 | 590 | 550 | 518 | 4 | 28 | 16-Φ23 | 300 |
500 | 20 | 978 | 640 | 600 | 568 | 4 | 30 | 16-Φ23 | 382 |
公称通径 | 标准值 | ||||||||
DN(mm) | NPS(inch) | L | D | D1 | D2 | f | b | Z-Φd | W(Kg) |
PN1.0MPa | |||||||||
15 | 1/2 | 135 | 95 | 65 | 45 | 2 | 14 | 4-Φ14 | 2.5 |
20 | 3/4 | 145 | 105 | 75 | 55 | 2 | 16 | 4-Φ14 | 3.5 |
25 | 1 | 155 | 115 | 85 | 65 | 2 | 16 | 4-Φ14 | 4 |
32 | 11/4 | 170 | 135 | 100 | 78 | 2 | 18 | 4-Φ18 | 5 |
40 | 11/2 | 183 | 145 | 110 | 85 | 3 | 18 | 4-Φ18 | 6 |
50 | 2 | 185 | 160 | 125 | 100 | 3 | 20 | 4-Φ18 | 8 |
65 | 21/2 | 196 | 180 | 145 | 120 | 3 | 20 | 4-Φ18 | 10 |
80 | 3 | 212 | 195 | 160 | 135 | 3 | 22 | 4-Φ18 | 13 |
100 | 4 | 275 | 215 | 180 | 155 | 3 | 22 | 8-Φ18 | 25 |
150 | 6 | 405 | 280 | 240 | 210 | 3 | 24 | 8-Φ23 | 46 |
200 | 8 | 510 | 335 | 295 | 265 | 3 | 26 | 8-Φ23 | 100 |
250 | 10 | 622 | 390 | 350 | 320 | 3 | 28 | 12-Φ23 | 155 |
300 | 12 | 698 | 440 | 400 | 368 | 4 | 28 | 12-Φ23 | 180 |
350 | 14 | 787 | 500 | 460 | 428 | 4 | 30 | 16-Φ23 | 220 |
400 | 16 | 914 | 565 | 515 | 482 | 4 | 32 | 16-Φ25 | 275 |
450 | 18 | 978 | 615 | 565 | 532 | 4 | 32 | 20-Φ25 | 300 |
500 | 20 | 978 | 670 | 620 | 585 | 4 | 34 | 20-Φ25 | 392 |
公称通径 | 标准值 | ||||||||
DN(mm) | NPS(inch) | L | D | D1 | D2 | f | b | Z-Φd | W(Kg) |
PN1.6Pa | |||||||||
15 | 1/2 | 135 | 95 | 65 | 45 | 2 | 14 | 4-Φ14 | 2.5 |
20 | 3/4 | 145 | 105 | 75 | 55 | 2 | 16 | 4-Φ14 | 3.5 |
25 | 1 | 155 | 115 | 85 | 65 | 2 | 16 | 4-Φ14 | 4 |
32 | 11/4 | 170 | 135 | 100 | 78 | 2 | 18 | 4-Φ18 | 5 |
40 | 11/2 | 183 | 145 | 110 | 85 | 3 | 18 | 4-Φ18 | 6 |
50 | 2 | 185 | 160 | 125 | 100 | 3 | 20 | 4-Φ18 | 8 |
65 | 21/2 | 196 | 180 | 145 | 120 | 3 | 20 | 4-Φ18 | 10 |
80 | 3 | 212 | 195 | 160 | 135 | 3 | 22 | 8-Φ18 | 13.5 |
100 | 4 | 275 | 215 | 180 | 155 | 3 | 24 | 8-Φ18 | 28.5 |
150 | 6 | 405 | 280 | 240 | 210 | 3 | 28 | 8-Φ23 | 48 |
200 | 8 | 510 | 335 | 295 | 265 | 3 | 30 | 12-Φ23 | 105 |
250 | 10 | 622 | 405 | 355 | 320 | 3 | 32 | 12-Φ25 | 165 |
300 | 12 | 698 | 460 | 410 | 375 | 4 | 34 | 12-Φ25 | 195 |
350 | 14 | 787 | 520 | 470 | 435 | 4 | 38 | 16-Φ25 | 238 |
400 | 16 | 914 | 580 | 525 | 485 | 4 | 40 | 16-Φ30 | 295 |
公称通径 | 标准值 | ||||||||
DN(mm) | NPS(inch) | L | D | D1 | D2 | f | b | Z-Φd | W(Kg) |
PN2.5Pa | |||||||||
15 | 1/2 | 135 | 95 | 65 | 45 | 2 | 14 | 4-Φ14 | 3 |
20 | 3/4 | 145 | 105 | 75 | 55 | 2 | 16 | 4-Φ14 | 4 |
25 | 1 | 155 | 115 | 85 | 65 | 2 | 16 | 4-Φ14 | 5 |
32 | 11/4 | 170 | 135 | 100 | 78 | 2 | 18 | 4-Φ18 | 8.5 |
40 | 11/2 | 183 | 145 | 110 | 85 | 3 | 18 | 4-Φ18 | 9.8 |
50 | 2 | 185 | 160 | 125 | 100 | 3 | 20 | 4-Φ18 | 17 |