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Packing seal failure and troubleshooting 2011-09-26
Seal packingthe mainadvantage of simple structure, low cost,wide application, the maindrawback is thatlifeis short,poorsealing performance.The followingare a fewfillersand elimination ofthe causesfor yourreferencein therepair process.
(1) Fillsqueezeshaft(orstem) and theringor theshaft(orstem)andthe gapbetween thegland, themorebecause thedesign of thegap is toolarge oreccentric.Byreducing thegap,checkconcentricityto resolve.
(2) Fillthe outer surfaceis groundinjury,mayleakoutside ofthe packing glandis due topackingdiameteris too small.By examining thesize ofthe stuffing boxand packingto solve.(3)squeeze into theadjacentpackingringcircle,iscuttoo shortbecause thepackingring.Replacement ofthe correctsizebypackingsolution.Automobile Gasket
(5)near thesection of thepackingglandtoo tightweightis due toimproperpackingassembly.Should be carefullyre-install.
(6)fillercokeorblack,because thelubrication failure.Should be replacedwith the appropriatelubricantfiller,orcansupplya lubricantinto thepacking rings.
(7)along theshaft(orstem) of the axialwear orscratcheson theserious,because thelubrication failureor internalimpurities.Should be replacedwith afillerorlubricantinto thelubricantcansupplythepacking ring,packingshould also becarefully cleaned.Sheet & Gasket
(8)leakis too large,has been unable toadjust.Because ofexpansionordestruction orfillerfillercuttoo shortor assemblyerror orlubricantto beobliteratedoreccentric.Canreplacethe role ofresistantsealingliquidpacking,checkingthe concentricaxis orstem.
