Some matters needing attention of installation of the pneumatic valve sealing gasket

to install some matters needing attention of sealing gaskets ensure pneumatic valve sealing pipeline system in addition to choose suitable sealing material, but also according to the following the correct installation method of sealing gasket: gasket must be placed on the flange is center, this is especially important for convex flange; To ensure that the sealing surface roughness and machining precision; Must the symmetric fastening bolt; Use metal gasket must ensure uniform load, the bolt is used when torsional torque wrench; After a period of the running of the pneumatic valve pipe system, check and correction of joint bolt torque; In order to guarantee the service life of the gasket, please do not use liquid or metal matrix of anti-sticking agent or lubricant.