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6) i) sheet gasket ( asbestos and non asbestos ) - flat face

ii) Sprial wound gasket ( Used in high pressure , high temperature service - it consist of inner ring , sprial wound , outer ring

iii) Kammprofile Gasket

7) Teflon tape , pipe dope, anaerobicresin compouds ,

8) Bonded shrink fit and press fit - load is transmitted by both curved adhesive and by friction between the parts due to interference fit

in bonded shrink fit joining after producing gap between shaft and hub by heating the external part

in bonding press fit joining by using axial force

Bonded slip fits parts are manufactured with a clearence fit and the curved adhesive transmits all the load

joining without applying force with shaft and hub at the same temperature

9) in this condition teflon tape is used as sealent , it can applied quickly with no mess it supplies sufficient lubrication to enable pipe system components to be easily assembled without damage to threads , it is easy to carry and store , it can use at moderate temperature and pressure ,