{"title":"DIN 7603 Sealing Washer","description":"\u003ch1\u003eDIN 7603 Sealing Washer — Complete Product Series\u003c\/h1\u003e\n\n\u003cp\u003eFULLERKREG DIN 7603 sealing rings are manufactured to DIN 7603 Form A standard in a full range of materials. DIN 7603 Form A is a flat (plain) sealing ring used for pipe flanges (DIN 3850), plug screws (DIN 908), ball-type pipe fittings, and hollow connections (DIN 7001). The flat profile provides full-face sealing through deformation of the sealing material under bolt clamping load. Available in copper T3, aluminum, and vulcanized fiber to suit all temperature, pressure, and electrical requirements. Size range d1 6–90 mm.\u003c\/p\u003e\n\n\u003chr\u003e\n\n\u003ch2\u003eProduct Variants — Browse by Material\u003c\/h2\u003e\n\n\u003cp\u003e\u003ca href=\"\/collections\/din-7603a-copper-t3-sealing-ring\"\u003e\u003cstrong\u003eDIN 7603A Sealing Ring — Copper T3, Cleaned Natural Finish\u003c\/strong\u003e\u003c\/a\u003e\u003cbr\u003e\nT3 annealed copper (Cu-ETP) · Natural finish · d1 6–90mm · Max. +300°C · Metal-to-metal seal · Oil, fuel, hydraulic, steam · Re-annealable\u003c\/p\u003e\n\n\u003cp\u003e\u003ca href=\"\/collections\/din-7603a-aluminum-sealing-ring\"\u003e\u003cstrong\u003eDIN 7603A Sealing Ring — Aluminum, Cleaned Natural Finish\u003c\/strong\u003e\u003c\/a\u003e\u003cbr\u003e\nSoft annealed aluminum (Al 1050\/1060) · Natural finish · d1 6–90mm · Max. +150°C · Lightweight (~1\/3 weight of copper) · Oil, fuel, hydraulic · Automotive preferred\u003c\/p\u003e\n\n\u003cp\u003e\u003ca href=\"\/collections\/din-7603a-vulcanized-fiber-sealing-ring\"\u003e\u003cstrong\u003eDIN 7603A Sealing Ring — Vulcanized Fiber, Natural Finish\u003c\/strong\u003e\u003c\/a\u003e\u003cbr\u003e\nVulcanized fiber (hard fiber) · Natural finish · d1 6–90mm · Max. +120°C · Electrically insulating · Oil \u0026amp; fuel resistant · Most economical\u003c\/p\u003e\n\n\u003chr\u003e\n\n\u003ch2\u003eHow to Choose the Right Material\u003c\/h2\u003e\n\n\u003ctable\u003e\n  \u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eRequirement\u003c\/th\u003e\n\u003cth\u003eRecommended Material\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003ctd\u003eHigh temperature (\u0026gt;+150°C) or steam\u003c\/td\u003e\n\u003ctd\u003eCopper T3 (up to +300°C)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eGeneral hydraulic, fuel, oil sealing\u003c\/td\u003e\n\u003ctd\u003eCopper T3 or Aluminum\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eLightweight \/ automotive preference\u003c\/td\u003e\n\u003ctd\u003eAluminum (~1\/3 weight of copper)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eElectrical insulation required\u003c\/td\u003e\n\u003ctd\u003eVulcanized Fiber\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eVibration damping required\u003c\/td\u003e\n\u003ctd\u003eVulcanized Fiber\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eMost economical option\u003c\/td\u003e\n\u003ctd\u003eVulcanized Fiber\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003chr\u003e\n\n\u003ch2\u003eMaterial Comparison\u003c\/h2\u003e\n\n\u003ctable\u003e\n  \u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eProperty\u003c\/th\u003e\n\u003cth\u003eCopper T3\u003c\/th\u003e\n\u003cth\u003eAluminum\u003c\/th\u003e\n\u003cth\u003eVulcanized Fiber\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003ctd\u003eMax. temperature\u003c\/td\u003e\n\u003ctd\u003e+300°C\u003c\/td\u003e\n\u003ctd\u003e+150°C\u003c\/td\u003e\n\u003ctd\u003e+120°C\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eDensity\u003c\/td\u003e\n\u003ctd\u003e8.9 g\/cm³\u003c\/td\u003e\n\u003ctd\u003e2.7 g\/cm³\u003c\/td\u003e\n\u003ctd\u003e~1.3 g\/cm³\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eElectrical insulation\u003c\/td\u003e\n\u003ctd\u003eNo\u003c\/td\u003e\n\u003ctd\u003eNo\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eSteam resistance\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003ctd\u003eNo\u003c\/td\u003e\n\u003ctd\u003eNo\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eOil \u0026amp; fuel resistance\u003c\/td\u003e\n\u003ctd\u003eExcellent\u003c\/td\u003e\n\u003ctd\u003eExcellent\u003c\/td\u003e\n\u003ctd\u003eGood\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eSealing mechanism\u003c\/td\u003e\n\u003ctd\u003ePlastic deformation\u003c\/td\u003e\n\u003ctd\u003ePlastic deformation\u003c\/td\u003e\n\u003ctd\u003eCompression\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eRe-usable\u003c\/td\u003e\n\u003ctd\u003eYes (re-anneal)\u003c\/td\u003e\n\u003ctd\u003eNo\u003c\/td\u003e\n\u003ctd\u003eNo\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eCost\u003c\/td\u003e\n\u003ctd\u003eMedium\u003c\/td\u003e\n\u003ctd\u003eLow\u003c\/td\u003e\n\u003ctd\u003eLowest\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003chr\u003e\n\n\u003ch2\u003eDIN 7603 Standard Overview\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eStandard:\u003c\/strong\u003e DIN 7603\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eForm A:\u003c\/strong\u003e Flat plain ring — full-face sealing, general pipe fittings and plug screws\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSize range:\u003c\/strong\u003e d1 6–90 mm (inner diameter); d2 up to 100 mm (outer diameter)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eThickness:\u003c\/strong\u003e b = 1.5mm (d1 6–28mm) · b = 2.0mm (d1 29–90mm)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUsed with:\u003c\/strong\u003e DIN 3850 pipe flanges · DIN 908 plug screws · DIN 7001 hollow connections\u003c\/li\u003e\n  \u003cli\u003e\u003cstrong\u003eAll grades RoHS \u0026amp; REACH compliant\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003chr\u003e\n\n\u003ch2\u003eProduct Photo Gallery\u003c\/h2\u003e\n\u003cp\u003eFULLERKREG DIN 7603 Sealing Rings — product range overview:\u003c\/p\u003e\n\u003ctable\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"width:25%;text-align:center;padding:12px\"\u003e[ Photo 1 ]\u003c\/td\u003e\n      \u003ctd style=\"width:25%;text-align:center;padding:12px\"\u003e[ Photo 2 ]\u003c\/td\u003e\n      \u003ctd style=\"width:25%;text-align:center;padding:12px\"\u003e[ Photo 3 ]\u003c\/td\u003e\n      \u003ctd style=\"width:25%;text-align:center;padding:12px\"\u003e[ Photo 4 ]\u003c\/td\u003e\n    \u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003chr\u003e\n\n\u003ch2\u003eWhy Choose FULLERKREG?\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e🏭 \u003cstrong\u003eDirect manufacturer\u003c\/strong\u003e — factory in China, no middlemen\u003c\/li\u003e\n  \u003cli\u003e📐 \u003cstrong\u003eStrict DIN dimensional control\u003c\/strong\u003e — 100% inspection on critical dimensions\u003c\/li\u003e\n  \u003cli\u003e🌍 \u003cstrong\u003eGlobal export experience\u003c\/strong\u003e — serving distributors in Europe, North America, Southeast Asia\u003c\/li\u003e\n  \u003cli\u003e📦 \u003cstrong\u003eFlexible MOQ\u003c\/strong\u003e — small trial orders and large bulk shipments both welcome\u003c\/li\u003e\n  \u003cli\u003e📋 \u003cstrong\u003eFull documentation\u003c\/strong\u003e — material certs, RoHS declarations on request\u003c\/li\u003e\n  \u003cli\u003e⚡ \u003cstrong\u003eFast lead times\u003c\/strong\u003e — standard sizes in stock, ready to ship\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003chr\u003e\n\n\u003cp\u003e\u003cstrong\u003eFULLERKREG Fasteners\u003c\/strong\u003e — Precision DIN Standard Fasteners, Direct from Manufacturer.\u003cbr\u003e\nFor wholesale inquiries, technical questions, or custom orders, please contact our sales team.\u003c\/p\u003e","products":[],"url":"https:\/\/www.fullerkr.com\/collections\/din-7603-sealing-washer.oembed","provider":"Fullerkreg Fasteners","version":"1.0","type":"link"}