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《Lubrication Engineering》 2009-10
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Failure Analysis and Rebuilding on the Mechanical Seal of Liquefied Gas Pump

Liu Junfeng(Shandong Shtar Science & Technology Group,Dongying Shandong 257061,China)  
The main reasons for the leakage of the seal of P304 liquefied gas pump were discussed.The friction pair and the seal structure were rebuilt by replacing carbon graphite/carbon graphite friction pair with silicon carbide/antimony impregnated graphite friction pair,and single face and multi-spring mechanical seals with tandem mechanical seal,which realizes non-leakage of the liquefied gas pump.
【CateGory Index】: TH136
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