丝口是一种连接方式,就是螺纹的意思,分内螺纹和外螺纹.
公称压力高使用压力试验压力（水压）1.6mpa120℃以下水、油、瓦斯饱和蒸汽阀体阀座1.76mpa0.6mpa9.5mpa7mpa
一片式inch1/4″3/8″1/2″3/4″1″1 1/4″1 1/2″2″dn6100l394456.558717883100h32.0534.543.5475560.574.580.5d579.212.5
二片式inch1/2″3/4″1″1 1/4″1 1/2″2″ dn0 l5566778798.5115 h475560.563.57887 d0 a1021258
一片式inch1/4″3/8″1/2″3/4″1″1 1/4″1 1/2″2″2 1/2″3″4″dn61006580100l394456.5587182230h32.0534.543.5475560.574.580.5128137173d579.212.5a707090901101107295