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

6


弹簧座


2Cr13


1Cr18Ni9Ti


1Cr18Ni12Mo2Ti




7


弹簧


50CrVA


50CrVA包覆氟塑料


50CrVA包覆氟塑料

01/22 12:22