详细说明
试压规范
| 压力等级或公称压力 | 壳体试验(Mpa) | 密封试验 (MPa) |
| 高压液密封 | 低压气密封 |
| 150Lb．PN2.0MPa | 2.94 | 2.16 | 0.6 |
| 300Lb．PN5．OMPa | 7.67 | 5.62 |
| 600Lb．PNl O.OMPa | 15.3 | 11.23 |
| JISlOK | 2.1 | 1.6 |
| JIS20K | 5.1 | 3.8 |
主要零件材料及性能规范
| 零件名称 | 材 料 |
| 阀体阀盖阀瓣摇杆 | ASTM A216WCB | ASTM A351CFB | ASTM A351CF8M | ASTM A351CF3 | ASTM A351CF3M |
| 销轴 | 1Crl3 | OCrl8Ni9 | OCrl7Nil2M02 | OOCrl9Nil0 | OOCrl7Nil4M02 |
| F6a | 304 | 316 | 304L | 316L |
| 阀瓣 | 密封面 | 13Cr | 13Cr | STL | 本体 本体 STL 本体 STLR STL |
| 阀座 | 13Cr | STL | STL |
| 阀瓣螺母 | 1Crl3 | 0Crl8Ni9 | OCrl7Nil2M02 | 00Crl9NilO | OOCrl7Ni4M02 |
| 410 | 304 | 316 | 304L | 316L |
| 防松销 | OCCr8Ni9 | 0Crl7Nil2M02 | 00Crl9NilO | 00Crl7Nil4M02 |
| 304 | 316 | 304L | 316L |
| 垫片 | 柔性石墨复合垫 (芯板:碳钢或不锈钢)不锈钢带，柔性石墨缠绕垫 |
| 中法兰螺栓 | 350CrM0ASTM A193 B7 | OCr18Ni9 ASTMA193 B8 |
| 中法兰螺母 | 45ASTM A1 94 2H | OCr18Ni9 ASTM A194 8 |
| 适用工况 | 适用介质 | 水、蒸汽、油品等 | 硝酸等腐蚀介质 | 醋酸等腐蚀介质 | 强氧化性介质 | 尿素等腐蚀性介质 |
| 适用温度 (℃) | -29～425 | -40～200(超出该温度范围、请在订货时注明) |
注: 1如法兰密封面采用凸面以外的型式。请在订货时注明。
H44]美标止回阀主要连接与外形尺寸及重量
| 磅级 | 公称通径(DN) | 主要连接尺寸 (mm) | H44外形尺寸 | 重量(kg) |
| in | mm | L | D | D1 | D2 | b | f | z-φd | H |
| 150Lb(2.0Mpa)(10K) | 2 | 50 | 203 | 152 | 120.5 | 92 | 16 | 1.6 | 4-19 | 165 | 17 |
| 21/2 | 65 | 216 | 178 | 139.5 | 105 | 17.5 | 1.6 | 4-19 | 175 | 25 |
| 3 | 80 | 241 | 190 | 152.5 | 127 | 19.5 | 1.6 | 4-19 | 190 | 29 |
| 4 | 100 | 292 | 229 | 190.5 | 157 | 24 | 1.6 | 8-19 | 215 | 50 |
| 5 | 125 | 330 | 254 | 216 | 186 | 24 | 1.6 | 8-22 | 245 | 75 |
| 6 | 150 | 356 | 279 | 241.5 | 216 | 25.5 | 1.6 | 8-22 | 265 | 85 |
| 8 | 200 | 495 | 343 | 298.5 | 270 | 29 | 1.6 | 8-22 | 320 | 150 |
| 10 | 250 | 622 | 406 | 362 | 324 | 30.5 | 1.6 | 12-25 | 365 | 240 |
| 12 | 300 | 698 | 483 | 432 | 381 | 32 | 1.6 | 12-25 | 415 | 350 |
| 14 | 350 | 787 | 533 | 476 | 413 | 35 | 1.6 | 12-29 | 460 | 460 |
| 16 | 400 | 864 | 597 | 540 | 470 | 37 | 1.6 | 16-29 | 495 | 580 |
| 20 | 500 | 978 | 698 | 635 | 584 | 43 | 1.6 | 20-32 | 590 | 840 |
| 24 | 600 | 1295 | 813 | 749.5 | 692 | 48 | 1.6 | 20-35 | 650 | 1140 |
| 28 | 700 | 1448 | 927 | 863.5 | 800 | 71.5 | 1.6 | 28-35 | | |
| 300Lb(5.0MPa)(20K) | 2 | 50 | 267 | 165 | 127 | 92 | 22.5 | 1.6 | 8-19 | 190 | 28 |
| 21/2 | 65 | 292 | 190 | 149 | 105 | 25.5 | 1.6 | 8-22 | 205 | 33 |
| 3 | 80 | 318 | 210 | 168 | 127 | 28 5 | 1.6 | 8-22 | 220 | 45 |
| 4 | 100 | 356 | 254 | 200 | 157 | 32 | 1.6 | 8-22 | 245 | 70 |
| 5 | 125 | 400 | 279 | 235 | 186 | 35 | 1.6 | 8-22 | 275 | 110 |
| 6 | 150 | 444 | 318 | 270 | 216 | 36.5 | 1.6 | 12-22 | 295 | 150 |
| 8 | 200 | 533 | 381 | 330 | 270 | 41.5 | 1.6 | 12.25 | 330 | 230 |
| 10 | 250 | 622 | 444 | 387.5 | 324 | 48 | 1.6 | 16-29 | 420 | 390 |
| 12 | 300 | 711 | 521 | 451 | 381 | 51 | 1.6 | 16-32 | 480 | 520 |
| 14 | 350 | 838 | 584 | 514.5 | 413 | 54 | 1.6 | 20-32 | 535 | 710 |
| 16 | 400 | 864 | 648 | 571.5 | 470 | 57.5 | 1.6 | 20-35 | 585 | 890 |
| 20 | 500 | 1016 | 775 | 686 | 584.5 | 63.5 | 1.6 | 24-35 | 685 | 1360 |
| 24 | 600 | 1364 | 914.5 | 813 | 692.5 | 70 | 1.6 | 24-41 | 785 | 2040 |
| 600Lb(10.0MPa) | 2 | 50 | 292 | 165 | 127 | 92 | 26 | 6.4 | 8-19 | 210 | 32 |
| 21/2 | 65 | 330 | 190 | 149 | 100 | 29 | 6.4 | 8-22 | 230 | 42 |
| 3 | 80 | 356 | 210 | 168 | 127 | 32 | 6.4 | 8-22 | 255 | 60 |
| 4 | 100 | 432 | 273 | 216 | 157 | 38 | 6.4 | 8-25 | 295 | 95 |
| 5 | 125 | 508 | 330 | 266.5 | 186 | 45 | 6.4 | 8-29 | 310 | 120 |
| 6 | 150 | 559 | 355.5 | 292 | 216 | 47.5 | 6.4 | 12-29 | 365 | 220 |
| 8 | 200 | 660 | 419.5 | 349 | 270 | 56 | 6.4 | 12-32 | 420 | 390 |
| 10 | 250 | 787 | 508 | 432 | 324 | 63.5 | 6.4 | 16-35 | 505 | 630 |
| 12 | 300 | 838 | 559 | 489 | 381 | 66.5 | 6.4 | 20-35 | 545 | 870 |
| 14 | 350 | 889 | 603.5 | 527 | 413 | 710 | 6.4 | 20-38 | 600 | 940 |
| 16 | 400 | 991 | 686 | 603 | 470 | 76.5 | 6.4 | 20-41 | 650 | 1100 |