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Feature:
1.mechanical valve reversing the external force is provided by external agencies, canbe used for position detection or travel switch.
2.a variety of structure shape control neck,convenient use under different conditions.
3.cut-off strcuture,good sealing,reversing flexible,without lubrication.
4.more location to install,easy to install and use.
5.high quality material,life fear and more reliable stability.
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