Winding type hard sealing ball valve is the best way to improve the floating valve seat type hard sealing ball valve defects such as spring high temperature failure, easy to slag stuck in the spring groove and secondary leakage in the floating hole of the valve seat, and also Improve the ball tilt-type hard-sealed rail ball valve one-way sealing and seal pressure than the pressure of the simple operation of such defects.
Side Seal Shrink Wrapping Machine
Side Seal Shrink Wrapping Machine,Shrink Wrap Machine,Sealing Shrink Wrapping Machine,Side Sealing Wrapping Machine
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