More than 20 years of OEM and ODM service experience.

Correct installation of valve gaskets

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To ensure the sealing of the valve piping system, in addition to selecting suitable sealing materials, it is also necessary to install the gasket in the following correct manner:
The gasket must be placed in the center of the flange, which is especially important for shoulder flanges; to ensure the flatness and processing accuracy of the sealing surface; the connecting bolts must be evenly and symmetrically tightened; the use of metal washers must ensure that the load is uniform and tight Use a torque wrench when bolting; check and re-calibrate the torque of the connecting bolt after the valve piping system runs for one cycle; to ensure the service life of the gasket, please do not use liquid or metal matrix anti-sticking agents or lubricants.

Nortech is one of the leading industrial valve manufacturers in China with quality certification ISO9001.

Major products: Butterfly ValveBall Valve,Gate ValveCheck ValveGlobe Vavlve,Y-StrainersElectric Acurator , Pneumatic Acurators .


Post time: Jul-14-2021