0Cr18Ni12Mo2Ti阀座PTFE/2Cr131Cr18Ni9Ti /HF0Cr18Ni12Mo2Ti/HF填料PTFE/ 柔性石墨螺栓351Cr17Ni21Cr17Ni2螺母450Cr18Ni90Cr18Ni9
公称压力 PN最高使用压力试验压力强度试验压力密封试验压力气密封试验压力1.61.62.41.760.62.52.53.752.750.64.04.O6.04.40.66.46.49.67.040.610.010.015.011.00.6
PNDNL 对焊L 法兰DD1D2D3D4ff1bn-φd1.6