{"product_id":"aquamatic-k521-rav-seal-kit-viton","title":"Aquamatic K521-RAV Seal Kit Viton 1081795","description":"\u003ch1 data-path-to-node=\"2\"\u003eAquaMatic K521-RAV Viton Seal Kit | Part 1081795\u003cb data-path-to-node=\"3\" data-index-in-node=\"0\"\u003e\u003c\/b\u003e\n\u003c\/h1\u003e\n\u003cp data-path-to-node=\"6\"\u003eThe \u003cb data-path-to-node=\"6\" data-index-in-node=\"4\"\u003eAquaMatic K521-RAV Seal Kit\u003c\/b\u003e (Manufacturer Part Number: \u003cb data-path-to-node=\"6\" data-index-in-node=\"59\"\u003e1081795\u003c\/b\u003e) is a high-performance, factory-original elastomer replacement kit designed specifically for \u003cb data-path-to-node=\"6\" data-index-in-node=\"160\"\u003eAquaMatic K521 Series 1-inch composite body diaphragm valves\u003c\/b\u003e.\u003c\/p\u003e\n\u003cp data-path-to-node=\"7\"\u003eThis specialized \u003cb data-path-to-node=\"7\" data-index-in-node=\"17\"\u003eRAV configuration\u003c\/b\u003e features premium \u003cb data-path-to-node=\"7\" data-index-in-node=\"52\"\u003eViton (FKM)\u003c\/b\u003e seals and components. It is engineered for valves operating in demanding environments that require superior thermal stability and exceptional resistance to aggressive chemicals, acids, petroleum products, and chlorinated water loops that rapidly degrade standard Buna-N or EPDM alternatives.\u003c\/p\u003e\n\u003ch2 data-path-to-node=\"9\"\u003eParts Included List\u003c\/h2\u003e\n\u003cp data-path-to-node=\"10\"\u003eThe K521-RAV kit contains all the essential flexible sealing components required to perform a full fluid-end overhaul and eliminate internal or external leakage. It includes:\u003c\/p\u003e\n\u003cul data-path-to-node=\"11\"\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"11,0,0\"\u003e\u003cb data-path-to-node=\"11,0,0\" data-index-in-node=\"0\"\u003eItem 3 – Viton Valve Disc (1075841):\u003c\/b\u003e The primary internal sealing face that shuts off flow against the valve seat.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"11,1,0\"\u003e\u003cb data-path-to-node=\"11,1,0\" data-index-in-node=\"0\"\u003eItem 13 – Viton Diaphragm (1075839):\u003c\/b\u003e The flexible, high-tensile FKM actuator membrane that controls valve opening and closing.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"11,2,0\"\u003e\u003cb data-path-to-node=\"11,2,0\" data-index-in-node=\"0\"\u003eItem 14 – Viton O-Ring (1070104):\u003c\/b\u003e Provides a high-integrity, chemical-resistant seal between the main valve body and the upper cap assembly.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0648\/3227\/4627\/files\/k521sealkit_aa4f9acb-ff18-4ebb-a744-700140ed7649.jpg?v=1766057844\" alt=\"K521-RAV Seal Kit Viton | GAPS Water Treatment\"\u003e\u003c\/p\u003e\n\u003ch2 data-path-to-node=\"13\"\u003eKey Features \u0026amp; Benefits\u003c\/h2\u003e\n\u003cul data-path-to-node=\"14\"\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"14,0,0\"\u003e\u003cb data-path-to-node=\"14,0,0\" data-index-in-node=\"0\"\u003ePremium Viton (FKM) Elastomers:\u003c\/b\u003e Delivers outstanding resistance to acids, caustics, hydrocarbons, ozone, and high-temperature process water.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"14,1,0\"\u003e\u003cb data-path-to-node=\"14,1,0\" data-index-in-node=\"0\"\u003eLeaktight Performance:\u003c\/b\u003e Restores factory-spec sealing integrity, preventing internal bypass, pressure loss, and external weeping.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"14,2,0\"\u003e\u003cb data-path-to-node=\"14,2,0\" data-index-in-node=\"0\"\u003ePerfect 1\" Compatibility:\u003c\/b\u003e Specifically moulded and cut to fit the internal geometries of the \u003cb data-path-to-node=\"14,2,0\" data-index-in-node=\"93\"\u003eAqMatic \/ Pentair K521\u003c\/b\u003e composite valve series.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"14,3,0\"\u003e\u003cb data-path-to-node=\"14,3,0\" data-index-in-node=\"0\"\u003ePreventative Maintenance Essential:\u003c\/b\u003e Replacing these wearable elastomeric parts during routine service intervals prevents costly unscheduled system downtime.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 data-path-to-node=\"16\"\u003eTechnical Specifications\u003c\/h2\u003e\n\u003ctable data-path-to-node=\"17\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eParameter\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"17,1,0,0\"\u003e\u003cb data-path-to-node=\"17,1,0,0\" data-index-in-node=\"0\"\u003eBrand\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"17,1,1,0\"\u003eAquaMatic (AqMatic \/ Pentair)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"17,2,0,0\"\u003e\u003cb data-path-to-node=\"17,2,0,0\" data-index-in-node=\"0\"\u003eModel Number\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"17,2,1,0\"\u003eK521-RAV\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"17,3,0,0\"\u003e\u003cb data-path-to-node=\"17,3,0,0\" data-index-in-node=\"0\"\u003eSKU \/ MPN\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"17,3,1,0\"\u003e1081795\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"17,4,0,0\"\u003e\u003cb data-path-to-node=\"17,4,0,0\" data-index-in-node=\"0\"\u003eValve Size \/ Series\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"17,4,1,0\"\u003e1\" K521 Composite Diaphragm Valves\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"17,5,0,0\"\u003e\u003cb data-path-to-node=\"17,5,0,0\" data-index-in-node=\"0\"\u003eMaterial Composition\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"17,5,1,0\"\u003ePremium Viton \/ FKM (Fluorocarbon Elastomer)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"17,6,0,0\"\u003e\u003cb data-path-to-node=\"17,6,0,0\" data-index-in-node=\"0\"\u003eFluid Compatibility\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"17,6,1,0\"\u003eAcids, Caustics, High Temps, Chlorinated Water, Solvents\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2 data-path-to-node=\"19\"\u003eTarget Applications\u003c\/h2\u003e\n\u003cp data-path-to-node=\"20\"\u003eBecause of its advanced fluoropolymer material profile, the K521-RAV kit is typically deployed in demanding industrial, municipal, and commercial water purification loops, including:\u003c\/p\u003e\n\u003cul data-path-to-node=\"21\"\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"21,0,0\"\u003eDeionization (DI) regeneration systems utilizing concentrated acid or caustic cycles.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"21,1,0\"\u003eChemical dosing, injection, and chemical handling distribution lines.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"21,2,0\"\u003eHigh-temperature process water applications.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"21,3,0\"\u003eWater treatment loops with high residual chlorine or ozone levels.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cblockquote data-path-to-node=\"22\"\u003e\n\u003cp data-path-to-node=\"22,0\"\u003e\u003cb data-path-to-node=\"22,0\" data-index-in-node=\"0\"\u003eService Recommendation:\u003c\/b\u003e When disassembling the valve to install the new Viton components, always inspect the internal structural stack. If the plastic shaft or guide shows signs of score marks or wear, consider pairing this kit with the \u003cb data-path-to-node=\"22,0\" data-index-in-node=\"237\"\u003eK521-RFN Internal Parts Kit (1079621)\u003c\/b\u003e and the \u003cb data-path-to-node=\"22,0\" data-index-in-node=\"283\"\u003e521-Z Assembly Tool (1075059)\u003c\/b\u003e for a complete, professional-grade valve overhaul. Use a compatible, non-petroleum based lubricant on the cap O-ring if required by the system manual.\u003c\/p\u003e\n\u003c\/blockquote\u003e","brand":"AQMATIC","offers":[{"title":"Default Title","offer_id":43726274461891,"sku":"11275000107 | 2001007028","price":86.97,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0648\/3227\/4627\/files\/k521ran-2.jpg?v=1781258446","url":"https:\/\/www.gapswater.co.uk\/products\/aquamatic-k521-rav-seal-kit-viton","provider":"GAPS Water Treatment","version":"1.0","type":"link"}