Q11F-1.6P，Q11F-16P，Q11F-2.5P，Q11F-25P，Q11F-4.0P，不锈钢一片式螺纹球阀


3/8


1/2


3/4


1


1-1/4


1-1/2


2




D


5.0


7.0


9.2

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