Q41F-1.6-DN15,Q41F-1.6-DN20,Q41F-1.6-DN25,Q41F-1.6-DN32,Q41F-1.6-DN40,法兰式软密封球阀
PTFE、RPP


PTFE、RPP




3


球体


1C18Ni9Ti


SS304




4


螺母


35


A194-2H

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