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


50CrVA包覆氟塑料




8


阀杆


2Cr13


2Cr13




9


阀盖


ZG230-450


1Cr18Ni9Ti

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