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-FAQs-

Get answers to multiple frequently asked questions

The valve body and the valve cover are leaking

The possible reasons are: flange joint bolt fastening uneven flange tilt, or fastening bolt tightening force is not enough, valve body and valve cover connection surface damage; Gasket is damaged or does not meet the requirements; Flange joint surface is not parallel, flange processing surface is not good; Stem bushing and stem thread add I** to tilt the bonnet.

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Valve stem rotation is not flexible or stuck

valve gate and valve cover interference

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Valve stem rotation is not flexible or stuck

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valve gate and valve cover interference