Simrit_Catalog_2007_Special_Sealing_Products

U-Rings | Merkel U-Rings made of PTFEFitting & installationGroove length LInstallation preferably in axially accessiblegrooves.ØLead-in chamferscleanly roundedDØSContact areadHBottom of grooveDirection ofpressureDirection ofsealing actionSide of grooveIf it is necessary to clip or snap,e.g., into half open housings, pleaseconsult usProvide lead-in chamfers on rods andhousingsAvoid sharp edgesThe housings must be clean and freeof foreign bodies.Fig. 3 Terms for the housingsU-Ring NRVI (Type 9492 with V-shaped spring)Standard materialSpring materialPTFE carbon 1.4310 (AISI 301)HCL +0, 5≥ 120°SØ D H8Ød D920°CS/2Ø d f7Fig. 4 Installation exampleSizing recommendationThis sizing recommendation is an additionto the article list. It is only used if thearticle list does not contain a suitablesize.Available dimension range dS H L Cfromto>10 20 2,25 3,10 3,60 >1,0>20 40 3,10 4,30 4,80 >1,2>40 150 4,70 6,50 7,10 >1,5>150 2000 6,10 8,50 9,50 >2,0© Freudenberg Simrit GmbH & Co. KG | Special Sealing Products Catalog 2007 245