通径锥密封配套螺纹平密封配套螺纹法兰配套尺寸3000psi6000psiDN6DN8DN10DN12DN16DN19DN22DN25DN31DN38DN50工作压力DN6DN8DN10DN12DN16DN19DN22DN25DN31DN38DN50M18*1.5M20*1.5M22*1.5M24*1.5M30*2M33*2M36*2M42*2M52*2M56*2M60*2M64*2一层22.5MPa21.5MPa18MPa16MPa13MPa10.5MPa10MPa9MPa6.5MPa5MPa4MPaM14*1.5M16*1.5M18*1.5M22*1.5M27*1.5M30*1.5M36*2M39*2M42*2M52*2M60*2M64*2二层40MPa35MPa33MPa27.5MPa25MPa21.5MPa20MPa17.5MPa14MPa10MPa9MPa美制螺纹尺寸φ44.4φ50.8φ60.3φ71.4三层（国产）56MPa42MPa40MPa38MPa36MPa28MPa25MPa24MPa38.5MPa35MPa30MPa25MPaφ47.6φ54.0φ63.5φ79.4四层60MPa50MPa46MPa42.5MPa40MPa42MPaφ38.1φ41.3φ30.2φ31.77/16*20牙9/16*18牙3/4*16牙外径外径外径11.114.2919.05内径内径内径9.8312.8817.647/8*14牙1 1/16*12牙1 5/16*12牙1 5/8*12牙1 7/8*12牙2 1/2*12牙外径外径外径外径外径外径22.226.9833.3341.2747.6263.5管螺纹尺寸内径内径内径内径内径内径20.424.8631.2139.1545.561.38G1 16*28牙G1 8*28牙G1/4*19牙G3/8*19牙G1/2*14牙G5/8*14牙G3/4*14牙G1*11牙G1 1/4*11牙G1 1/2*11牙G2*11牙外径外径外径外径外径外径外径外径外径外径外径7.7239.12813.15716.66220.95522.926.44133.24941.9147.80359.614NPT螺纹尺寸内径内径内径内径内径内径内径内径内径内径内径6.5618.56611.9514.9518.63120.08524.11730.29138.95244.84556.655螺纹尺寸1/161/81/43/81/23/411 1/41 1/22螺纹牙数27271818141411.511.511.511.5大径7.89510.24213.61617.05521.22326.56833.22841.98548.05460.093中径7.1429.42912.48715.92619.77225.11731.46140.21846.28758.325小径6.3898.73611.35814.79718.32123.66629.69438.45144.5256.5582 1/233 1/21568101288888888872.69988.603101.316113.971140.952167.792218.441272.312323.03270.15986.06898.776111.433138.412165.252215.901269.772320.49267.61983.52896.236108.893135.872162.712213.361267.232317.952
