气动球阀按其通道位置可分为直通式，三通式和直角式。

Pneumatic valve position according to their channels can be divided into straight-through, three-and right-angle type.

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用于组装三通，四通，弯通或有直角连接的地方。

For assemblies of Tee, Cross, Bend or other angles joints.

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用于组装三通，四通，弯通或有直角连接的地方。

For assemblies of Tee, Cross, Bend or other angles joints.

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