{"product_id":"aquamatic-k520-raj-seal-kit-butyl","title":"AquaMatic K520-RAJ Seal Kit Butyl 1081783","description":"\u003ch1 data-path-to-node=\"0\"\u003eAquaMatic K520-RAJ Seal Kit (Butyl) for 1\/2-Inch Diaphragm Valves\u003c\/h1\u003e\n\u003cp data-path-to-node=\"1\"\u003eOptimize your chemical treatment processes and ensure reliable fluid isolation with the \u003cb data-path-to-node=\"1\" data-index-in-node=\"88\"\u003eGenuine AquaMatic K520-RAJ Butyl Seal Kit\u003c\/b\u003e (SKU: 11275000104 \/ 2001007002). Manufactured by AqMatic (formerly Pentair), this professional-grade maintenance kit is specifically engineered for \u003cb data-path-to-node=\"1\" data-index-in-node=\"278\"\u003e1\/2-Inch K520 Series Composite Body Diaphragm Valves\u003c\/b\u003e.\u003c\/p\u003e\n\u003cp data-path-to-node=\"2\"\u003eBy utilizing premium \u003cb data-path-to-node=\"2\" data-index-in-node=\"21\"\u003eButyl (IIR) elastomer\u003c\/b\u003e, this kit provides specialized chemical compatibility, offering exceptional resistance to polar solvents, ketones (such as acetone and MEK), strong acids, alkalis, and ozone. It is the ideal choice for demanding industrial water treatment applications where standard rubbers or fluorocarbon seals would prematurely degrade.\u003c\/p\u003e\n\u003ch3 data-path-to-node=\"4\"\u003eKey Features \u0026amp; Benefits\u003c\/h3\u003e\n\u003cul data-path-to-node=\"5\"\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"5,0,0\"\u003e\u003cb data-path-to-node=\"5,0,0\" data-index-in-node=\"0\"\u003eSpecialized Butyl (IIR) Elastomer:\u003c\/b\u003e Engineered for excellent gas impermeability and superior resistance to environmental degradation, polar fluids, and caustic solutions.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"5,1,0\"\u003e\u003cb data-path-to-node=\"5,1,0\" data-index-in-node=\"0\"\u003eMaintains Pressure Boundaries:\u003c\/b\u003e Replaces high-wear flexible components to guarantee a drip-tight seat seal and flawless vertical stroke tracking.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"5,2,0\"\u003e\u003cb data-path-to-node=\"5,2,0\" data-index-in-node=\"0\"\u003ePerfect Manufacturer Fit:\u003c\/b\u003e Direct factory-spec replacement parts tailored for the 1\/2\" K520 Y-pattern composite valve, maintaining precise pressure-to-close or pressure-to-open dynamics.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"5,3,0\"\u003e\u003cb data-path-to-node=\"5,3,0\" data-index-in-node=\"0\"\u003eMinimal Flow Restriction:\u003c\/b\u003e Fresh, perfectly sized soft components ensure the valve retains its signature low-pressure loss performance.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-path-to-node=\"7\"\u003eComprehensive Kit Parts List\u003c\/h3\u003e\n\u003cp data-path-to-node=\"8\"\u003eThe \u003cb data-path-to-node=\"8\" data-index-in-node=\"4\"\u003eK520-RAJ Kit\u003c\/b\u003e includes all the vital, flexible sealing elements required to completely rebuild the upper and lower control fluid chambers:\u003c\/p\u003e\n\u003cul data-path-to-node=\"9\"\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"9,0,0\"\u003e\u003cb data-path-to-node=\"9,0,0\" data-index-in-node=\"0\"\u003e1 x Butyl Sealing Disc (Item No. 3):\u003c\/b\u003e The main seat insert responsible for stopping line media flow under pressure.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"9,1,0\"\u003e\u003cb data-path-to-node=\"9,1,0\" data-index-in-node=\"0\"\u003e1 x Fabric-Reinforced Butyl Diaphragm (Item No. 8):\u003c\/b\u003e The primary flexible pressure barrier separating the upper cap control chamber from the pipeline. (\u003cspan\u003e1078035).\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"9,2,0\"\u003e\u003cb data-path-to-node=\"9,2,0\" data-index-in-node=\"0\"\u003e4 x Precision Butyl O-Rings (Item No. 6, 7, 9, 15):\u003c\/b\u003e High-performance static and dynamic O-rings needed to seal the shaft, guide assembly, and body-to-cap mating surfaces.\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\/k520sealkit_937165ac-e293-48a3-a226-74b29861859e.jpg?v=1755267200\" alt=\"\" width=\"299\" height=\"299\"\u003e\u003c\/p\u003e\n\u003ch3 data-path-to-node=\"11\"\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable data-path-to-node=\"12\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDetail\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=\"12,1,0,0\"\u003e\u003cb data-path-to-node=\"12,1,0,0\" data-index-in-node=\"0\"\u003eManufacturer\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"12,1,1,0\"\u003eAqMatic \/ AquaMatic (Pentair)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"12,2,0,0\"\u003e\u003cb data-path-to-node=\"12,2,0,0\" data-index-in-node=\"0\"\u003ePart Number\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"12,2,1,0\"\u003eK520-RAJ\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"12,3,0,0\"\u003e\u003cb data-path-to-node=\"12,3,0,0\" data-index-in-node=\"0\"\u003eProduct SKU\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"12,3,1,0\"\u003e\u003cspan\u003e1081783\u003c\/span\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"12,4,0,0\"\u003e\u003cb data-path-to-node=\"12,4,0,0\" data-index-in-node=\"0\"\u003eCompatible Valve Size\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"12,4,1,0\"\u003e1\/2\" K520 Series Plastic Valves\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"12,5,0,0\"\u003e\u003cb data-path-to-node=\"12,5,0,0\" data-index-in-node=\"0\"\u003eElastomer Type\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"12,5,1,0\"\u003eButyl \/ IIR (Isobutylene Isoprene Rubber)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"12,6,0,0\"\u003e\u003cb data-path-to-node=\"12,6,0,0\" data-index-in-node=\"0\"\u003eTemperature Rating\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"12,6,1,0\"\u003eUp to 105°C (221°F)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"12,7,0,0\"\u003e\u003cb data-path-to-node=\"12,7,0,0\" data-index-in-node=\"0\"\u003eChemical Resistance\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"12,7,1,0\"\u003ePolar Solvents, Ketones, Caustics, Acids, Alkalies\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3 data-path-to-node=\"14\"\u003eInstallation \u0026amp; Compatibility Notes\u003c\/h3\u003e\n\u003cp data-path-to-node=\"15\"\u003eWhen tearing down glass-filled composite valves, avoiding mechanical damage to internal plastic components is crucial. Technicians should always utilize the official \u003cb data-path-to-node=\"15\" data-index-in-node=\"166\"\u003eAquaMatic 520-Z Assembly Tool\u003c\/b\u003e to hold and align internal shaft configurations safely during disassembly.\u003c\/p\u003e\n\u003cblockquote data-path-to-node=\"16\"\u003e\n\u003cp data-path-to-node=\"16,0\"\u003e\u003cb data-path-to-node=\"16,0\" data-index-in-node=\"0\"\u003eEngineering Compatibility Warning:\u003c\/b\u003e While Butyl is superb for acids and ketones, it has very poor resistance to petroleum-based oils, hydrocarbons, and grease. If your water treatment loop involves hydrocarbons, look toward the \u003cb data-path-to-node=\"16,0\" data-index-in-node=\"227\"\u003eK520-RAV Viton Kit\u003c\/b\u003e instead.\u003c\/p\u003e\n\u003c\/blockquote\u003e","brand":"AQMATIC","offers":[{"title":"Default Title","offer_id":43726274035907,"sku":"11275000104 | 2001007002","price":49.7,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0648\/3227\/4627\/files\/K520RA.jpg?v=1781258224","url":"https:\/\/www.gapswater.co.uk\/products\/aquamatic-k520-raj-seal-kit-butyl","provider":"GAPS Water Treatment","version":"1.0","type":"link"}