压力换算表
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常用压力单位换算表
压力等级Class和公称压力对照表
磅级Class
1500.6MPa
公称压力MPa
1.0MPa1.6MPa2.0MPaPN6
公称压力PN
PN10PN16PN20
3002.5MPa4.0MPa5.0MPa
6.4MPa
10.0MPa
15.0MPa
25.0MPa
42.0MPa
400
600
900
1500
2500
PN25PN40PN50
PN6.4
PN100
PN150
PN250
PN420
阀门公称压力系列MPa(bar
0.05(0.51.0(10.06.3(63.328.0(280.0
0.1(1.01.6(16.010.0(100.032.0(320.0
0.25(2.52.0(20.015.0(150.042.0(420.0
0.4(4.02.5(25.016.0(160.050.0(500.0
0.6(6.04.0(40.020.0(200.063.0(630.0
0.8(8.05.0(50.025.0(250.080.0(800.0
100.0(1000.0125.0(1250.0160.0(1600.0200.0(2000.0250.0(2500.0335.0(3350.0
公制与英制换算表（适用于阀门）MetricEquivalentCharts
英寸In.毫米DN公称通径Size
1
/8
1
/4
3
/8
1
/2
3
/4125
1/432
1
1/240
1
250
2/265
1
380
3/290
1
4100
46101520
英寸In.5681012300
14350
16400
18450
20500
24600
26650
28700
30750
毫米DN125150200250
英寸In.32343642485460647280848896
毫米DN8008509001050120013501500160018002000210022002400
被乘数Multiply 