零件名称 | 材料 |
阀体 | wcb | zg1cr5mo | 18-8crni | 18-12crnimo |
阀盖 | wcb | zg1cr5mo | 18-8crni | 18-12crnimo |
阀杆 | 2cr13 | 38crmoa1 | 1cr18ni9ti | 1cr18ni12mo2ati |
球体 | wcb+hcr | 1cr5mo | 18-8crni | 18-12crnimo |
阀座 | ptfe/13cr/crni ss+stellite |
螺柱 | b7/35crmoa | 1cr17ni2 |
螺母 | 2h/45 | 2cr13 |
填料 | ptfe/增强柔性石墨 |
轨道球阀应用规范
1、设计、制造按gb/12237
2、结构长度按qb/zmv 107
3、连接法兰jb/t79.1～79.4 gb/t9113.1～9113.4
4、阀门检查和试验按gb/13927
gdq47型pn1.6～2.5mpa主要外形尺寸
公称通径dn | 15 | 20 | 25 | 32 | 40 | 50 | 65 | 80 | 100 | 125 | 150 | 200 | 250 | 300 | 350 | 400 | 450 | 500 | 600 |
l | 130 | 150 | 160 | 180 | 200 | 230 | 290 | 310 | 350 | 400 | 480 | 600 | 730 | 850 | 980 | 1100 | 1200 | 1250 | 1450 |
h1 | 220 | 230 | 240 | 260 | 307 | 360 | 410 | 483 | 512 | 543 | 581 | 617 | 672 | 723 | 758 | 791 | 828 | 870 | 940 |
h2 | 450 | 486 | 525 | 550 | 610 | 640 | 640 | 675 | 710 | 740 | 820 | 905 | 955 | 990 | 1050 | 1100 | 1270 | 1450 | |
h3 | 415 | 455 | 500 | 535 | 580 | 605 | 605 | 620 | 640 | 685 | 735 | 850 | 900 | 920 | 1100 | 1250 | 1340 | 1555 | |
h4 | 370 | 400 | 440 | 460 | 480 | 500 | 550 | 600 | 650 | 713 | 760 | 820 | 875 | 930 | 962 | 1020 | 1285 | 1625 | |
gdq47型pn4.0mpa主要外形尺寸
公称通径dn | 15 | 20 | 25 | 32 | 40 | 50 | 65 | 80 | 100 | 125 | 180 | 200 | 250 | 300 | 350 | 400 | 450 | 500 | 600 |
l | 130 | 150 | 160 | 180 | 200 | 230 | 290 | 310 | 350 | 400 | 480 | 600 | 730 | 850 | 980 | 1100 | 1200 | 1250 | 1450 |
h1 | 230 | 240 | 260 | 280 | 320 | 360 | 436 | 492 | 527 | 607 | 649 | 701 | 750 | 750 | 790 | 832 | 875 | 910 | 980 |
h2 | 486 | 525 | 550 | 610 | 640 | 640 | 675 | 710 | 740 | 820 | 905 | 955 | 990 | 105 | 1100 | 1270 | 1450 | | |
h3 | 455 | 500 | 535 | 580 | 605 | 605 | 620 | 640 | 685 | 735 | 850 | 900 | 920 | 1100 | 1250 | 1340 | 1555 | | |
h4 | 400 | 440 | 460 | 480 | 500 | 550 | 600 | 650 | 713 | 777 | 835 | 890 | 950 | 980 | 1040 | 1305 | 1650 | | |
