A61Y-320P-DN25,A61Y-320P-DN15,A61Y-160-DN15,A61Y-320-DN20,A61Y-160-DN25,弹簧焊接式高压安全阀

A61H-C A61Y-C材料


A61Y-P材料




1


接头


20


1Cr18Ni9Ti




2


接头螺母


35


1Cr18Ni9Ti

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