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  • Stem technology

    Stem technology

    The valve stem bears tension, pressure and torsion forces during the opening and closing of the valve, and is in direct contact with the medium. At the same time, there is relative frictional movement...

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  • The form of stem packing

    The form of stem packing

    (1) Lip fillerDue to the soft lip of the lip filler, it will expand laterally and tightly adhere to the retaining wall under the action of the medium pressure. This expanded filler can be used in comp...

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  • Stem seal (1)

    Stem seal (1)

    1. The structure of compressed packingMost compressed fillers use asbestos fibers as the base material because of the properties of asbestos. It is basically not affected by most media, temperature an...

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