H42F46衬氟升降立式止回阀
衬氟立式止回阀是一种依靠介质本身的流动而自动启闭阀瓣用来阻止介质逆向流动的自动阀门。
设计规范
遵循GB/T 12235，GB/T 12236，API 6D标准
| 序号 | 零件名称 | 灰铸铁 | 铸钢 | 不锈耐酸铸钢 | 超低碳不锈耐酸铸钢 |
| Z | C | P | R | PL | RL |
| 1 | 阀体/阀盖 | HT250 | WCB | CF8 | CF8M | CF3 | CF3M |
| 2 | 阀瓣/阀杆 | 35 | 1Cr13 | 1Cr18Ni9 | 1Cr18Ni12Mo2Ti | 00Cr18Ni10 | 00Cr17Ni14Mo2 |
| 3 | 衬里/阀座 | PCTEF(F3),FEP(F46),PFA(可溶F4),PP,PO |
| 4 | 紧固螺栓 | WCB | 1Cr17Ni2 | 1Cr18Ni9Ti |
| 5 | 螺母 | PTFE(F4) | CF8 | CF8 |
| 公称通经 | L | D | D1 | D2 | f | b | Z-φd | | DN(mm) | NPS(inch) | PN1.0MPa | | 15 | 1/2 | 108 | 95 | 65 | 45 | 2 | 14 | 4-φ14 | | 20 | 3/4 | 117 | 105 | 75 | 55 | 2 | 16 | 4-φ14 | | 25 | 1 | 127 | 115 | 85 | 65 | 2 | 16 | 4-φ14 | | 32 | 5/4 | 140 | 135 | 100 | 78 | 2 | 18 | 4-φ18 | | 40 | 3/2 | 165 | 145 | 110 | 85 | 3 | 18 | 4-φ18 | | 50 | 2 | 203 | 160 | 125 | 100 | 3 | 20 | 4-φ18 | | 65 | 5/2 | 216 | 180 | 145 | 120 | 3 | 20 | 4-φ18 | | 80 | 3 | 241 | 195 | 160 | 135 | 3 | 22 | 4-φ18 | | 100 | 4 | 292 | 215 | 180 | 155 | 3 | 22 | 8-φ18 | | 150 | 6 | 356 | 280 | 240 | 210 | 3 | 24 | 8-φ23 | | 200 | 8 | 495 | 335 | 295 | 265 | 3 | 26 | 8-φ23 | | 250 | 10 | 622 | 390 | 350 | 320 | 3 | 28 | 12-φ23 | | 300 | 12 | 698 | 440 | 400 | 368 | 4 | 28 | 12-φ23 | | 350 | 14 | 787 | 500 | 460 | 428 | 4 | 30 | 16-φ23 | | 400 | 16 | 914 | 565 | 515 | 482 | 4 | 32 | 16-φ25 | | 450 | 18 | 978 | 615 | 565 | 532 | 4 | 32 | 20-φ25 | | 500 | 20 | 978 | 670 | 620 | 585 | 4 | 34 | 20-φ25 | | PN1.6MPa | | 15 | 1/2 | 108 | 95 | 65 | 45 | 2 | 14 | 4-φ14 | | 20 | 3/4 | 117 | 105 | 75 | 55 | 2 | 16 | 4-φ14 | | 25 | 1 | 127 | 115 | 85 | 65 | 2 | 16 | 4-φ14 | | 32 | 5/4 | 140 | 135 | 100 | 78 | 2 | 18 | 4-φ18 | | 40 | 3/2 | 165 | 145 | 110 | 85 | 3 | 18 | 4-φ18 | | 50 | 2 | 203 | 160 | 125 | 100 | 3 | 20 | 4-φ18 | | 65 | 5/2 | 216 | 180 | 145 | 120 | 3 | 20 | 4-φ18 | | 80 | 3 | 241 | 195 | 160 | 135 | 3 | 22 | 8-φ18 | | 100 | 4 | 292 | 215 | 180 | 155 | 3 | 24 | 8-φ18 | | 150 | 6 | 356 | 280 | 240 | 210 | 3 | 28 | 8-φ23 | | 200 | 8 | 495 | 335 | 295 | 265 | 3 | 30 | 12-φ23 | | 250 | 10 | 622 | 405 | 355 | 320 | 4 | 32 | 12-φ25 | | 300 | 12 | 698 | 460 | 410 | 375 | 4 | 34 | 12-φ25 | | 350 | 14 | 787 | 520 | 470 | 435 | 4 | 38 | 16-φ25 | | 400 | 16 | 914 | 580 | 525 | 485 | 4 | 40 | 16-φ30 |
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