零件名称 |
材质 |
阀体、阀盖 | 铸铁、铸钢、不锈钢 |
阀座 | 锡青铜、不锈钢 |
阀瓣 | 碳钢、不锈钢+丁腈橡胶 |
阀杆 | 铝青铜、铬不锈钢 |
膜片 | 丁腈橡胶 |
膜片压板 | 碳钢、不锈钢 |
弹簧 | 不锈钢 |
DN |
L | H | D | D1 | n-d | ||||||
1.0MPa | 1.6MPa | 2.5MPa | 1.0MPa | 1.6MPa | 2.5MPa | 1.0MPa | 1.6MPa | 2.5Mpa | |||
50 | 203 | 320 | 165 | 165 | 165 | 125 | 125 | 125 | 4-18 | 4-18 | 4-18 |
65 | 216 | 367 | 185 | 185 | 185 | 145 | 145 | 145 | 4-18 | 4-18 | 8-18 |
80 | 248 | 400 | 200 | 200 | 200 | 160 | 160 | 160 | 8-18 | 8-18 | 8-18 |
100 | 283 | 452 | 220 | 220 | 235 | 180 | 180 | 190 | 8-18 | 8-18 | 8-22 |
125 | 330 | 522 | 250 | 250 | 270 | 210 | 210 | 220 | 8-18 | 8-18 | 8-26 |
150 | 356 | 592 | 285 | 285 | 300 | 240 | 240 | 250 | 8-22 | 8-22 | 8-26 |
200 | 444 | 696 | 340 | 340 | 360 | 295 | 295 | 310 | 8-22 | 12-22 | 12-26 |
250 | 533 | 810 | 395 | 405 | 425 | 350 | 355 | 370 | 12-22 | 12-26 | 12-30 |
300 | 600 | 943 | 445 | 460 | 485 | 400 | 410 | 430 | 12-22 | 12-26 | 6-30 |
350 | 622 | 1200 | 505 | 520 | 555 | 460 | 470 | 490 | 16-22 | 16-26 | 16-33 |
400 | 698 | 1230 | 565 | 580 | 620 | 515 | 525 | 550 | 16-26 | 16-30 | 16-36 |
450 | 775 | 1230 | 615 | 640 | 670 | 565 | 585 | 600 | 20-26 | 20-30 | 20-36 |
500 | 811 | 1270 | 670 | 715 | 730 | 620 | 650 | 660 | 20-26 | 20-33 | 22-36 |
600 | 900 | 1600 | 780 | 840 | 725 | 770 | 20-30 | 20-36 |