弹簧微启式外螺纹安全阀 KA21-16C-DN15,KA21-16P-DN15,KA21-16C-DN20,KA21-16P-DN20,KA21-16C-DN25,KA21-16P-DN25
母


35


2Cr13


1Cr18Ni9Ti




3


阀座


35


1Cr18Ni9Ti


1Cr18Ni12Mo2Ti




4

01/22 08:39