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钢制阀门压力—温度等级表
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钢号 基准温度(0C) 工作温度t(度)
10、20、25
ZG200、ZG250
200 250 300 350 400 425 435 445 455 * * * * *
15CrMo
ZG20CrMo
200 320 450 490 500 510 515 525 535 545 * * * *
12Cr1MoV
15CrMo1V
ZG20CrMoV
ZG15Cr1Mo1V
200 320 450 510 520 530 540 550 560 570 * * * *
1Cr5Mo
ZG1Cr5Mo
200 325 390 430 450 470 490 500 510 520 530 540 550 *
1Cr18Ni9Ti
ZG1Cr18Ni9Ti
1Cr18Ni12Mo2Ti
ZG1Cr18Ni12Mo2Ti
200 300 400 480 520 560 590 610 630 640 660 675 690 700
PN(MPa) Ps(MPa) *大工作压力Ptmax(MPa)
1.6 2.4 1.6 1.4 1.25 1.1 1.0 0.90 0.80 0.70 0.64 0.56 0.50 0.45 0.40 0.36
2.5 3.8 2.5 2.2 2.0 1.8 1.6 1.4 1.25 1.1 1.0 0.9 0.80 0.70 0.64 0.56
4.0 6.0 4.0 3.6 3.2 2.8 2.5 2.2 2.0 1.8 1.6 1.4 1.25 1.1 1.0 0.90
6.4 9.6 6.4 5.6 5.0 4.5 4.0 3.6 3.2 2.8 2.5 2.2 2.0 1.8 1.6 1.4
10.0 15.0 10.0 9.0 8.0 7.1 6.4 5.6 5.0 4.5 4.0 3.6 3.2 2.8 2.5 2.2
16.0 24.0 16.0 14.0 12.5 11.2 10.0 9.0 8.0 7.1 6.4 5.6 5.0 4.5 4.0 3.6
20.0 30.0 20.0 18.0 16.0 14.0 12.5 11.2 10.0 9.0 8.0 7.1 6.4 5.6 5.0 4.5
25.0 38.0 25.0 22.5 20.0 18.0 16.0 14.0 12.5 11.2 10.0 9.0 8.0 7.1 6.4 5.6
32.0 48.0 32.0 28.0 25.0 22.5 20.0 18.0 16.0 14.0 12.5 11.2 10.0 9.0 8.0 7.1
40.0 56.0 40.0 36.0 32.0 28.0 25.0 22.5 20.0 18.0 16.0 14.0 12.5 11.2 10.0 9.0
50.0 70.0 50.0 45.0 40.0 36.0 32.0 28.0 25.0 22.5 20.0 18.0 16.0 14.0 12.5 11.2
64.0 90.0 64.0 56.0 50.0 45.0 40.0 36.0 32.0 28.0 25.0 22.5 20.0 18.0 16.0 14.0
80.0 110.0 80.0 71.0 64.0 56.0 50.0 45.0 40.0 36.0 32.0 28.0 25.0 22.5 20.0 18.0
100.0 130.0 100.0 90.0 80.0 71.0 64.0 56.0 50.0 45.0 40.0 36.0 32.0 28.0 25.0 22.0
注:当工作温度为表中温度级之中间值时,可用内插法决定*大工作压力
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