Home > News > Metal spiral wound gasket goods is nearly 15% of unqualified
Metal spiral wound gasket goods is nearly 15% of unqualified - 2013-05-13 18:05:35
"Daily Economic News"learnedfromtheStateGeneral Administration of Quality Supervision, Inspection and Quarantine,beforetheStateGeneral Administration of Quality Supervision, Inspection and Quarantineofmetalwoundgasketproductquality supervision and inspection, the products qualitypass rate of86.4%.
According to reports,thespiral wound gasketis an importantsealing components,is widely used inpetroleum, chemical,metallurgy,power generation,shipbuildingandotherindustries,ourpressure piping, valves,pumps,heat exchangersand other equipmentsealedkeycomponents.The spot checkson themetal spiral woundgasketcompressionrate, reboundrate,seal leakageandappearance qualityprojectsinspectionShanghai, Jiangsu,Zhejiang,Henan,Shandong and otherprovinces, municipalities, involving a totalof22productionof22kinds of products(not related to exports).
Spot checks found thatthe main quality problemsareindividualcompression ratiounqualified.Thecompression rateisan important performance indicatorsofthespiral wound gasketproducts.Thegasketcompression ratioistoo large,islikely to causeinthenormal installationpreloadspacerstructural damage;thegasketcompression ratioistoo small,the need to usethe initialinstallationpreloadlarge,easy to achievesealing effect, likely to causerun, run, drip, leak.Thespring rateoftheindividual productsfailed.Thespring rateofthegasketisthe abilitytorestore elasticitythegasketafter unloadinggasket.Thespring rateofthegasket,thegasketcompensationability,good sealing effect.
It is reported thatthespot checks found thatsubstandard productsarenovelsealing material factoryinWuxi Citynovelbrandflexible graphitespiral wound gasket,Jinandoubleprecisionseals ManufacturingCo., Ltd.Flexible graphitemetalspiral wound gasket,andZiboRedfordIndustry and TradeLimited production offlexible graphitespiral wound gasket.
Spot checks found thatthe main quality problems,theAQSIQ hasinstructed the quality andtechnology supervision departmentin strict accordance withtheProduct Quality Lawand other relevant lawsand regulations,in accordance with the lawonproduct quality checks inthe enterprise failedtreatment,and urge enterprisesdeadline for rectification.