你还有以下工具可用:
磅级和压力等级对照表压力等级对照表磅级Class15030040060090015002500公称压力MPa公称压力PNPN6PN10PN16PN20PN25PN40PN50PN64PN100PN150PN250PN120MPa(bar)公称压力系列In.英寸1/81/43/81/23/4111/411/2221/2331/24亳米DN6410152025324050659080100英寸5...