{"product_id":"aquamatic-k520-ra-seal-kit-ep","title":"Aquamatic K520-RA Seal Kit EP 1081784","description":"\u003ch1 data-path-to-node=\"0\"\u003eAquaMatic K520-RA Seal Kit (EPDM) for 1\/2-Inch Diaphragm Valves\u003c\/h1\u003e\n\u003cp data-path-to-node=\"1\"\u003eEnsure peak hydraulic performance and leak-free reliability in your water treatment systems with the \u003cb data-path-to-node=\"1\" data-index-in-node=\"101\"\u003eGenuine AquaMatic K520-RA EPDM Seal Kit\u003c\/b\u003e (SKU: 1081784 \/ 2001007001). Manufactured by AqMatic (formerly Pentair), this professional preventative maintenance kit is engineered explicitly for standard \u003cb data-path-to-node=\"1\" data-index-in-node=\"299\"\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\"\u003eEPDM (Ethylene Propylene Diene Monomer)\u003c\/b\u003e elastomer, this kit provides exceptional resilience in standard commercial water applications. It is the factory-recommended choice for water softeners, demineralizers, multi-media filtration systems, and general industrial water distribution loops.\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\"\u003ePremium EPDM Elastomer:\u003c\/b\u003e Delivers outstanding resistance to aging, weathering, water, steam, and mild acids or alkalis, making it the perfect all-around choice for clean water applications.\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\"\u003eRestores Drip-Tight Sealing:\u003c\/b\u003e Replaces the critical high-wear flexible components to prevent internal bypass leaks and maintain a perfect hydraulic pressure boundary.\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\"\u003eFactory-Spec Fit \u0026amp; Tolerance:\u003c\/b\u003e Crafted to exact manufacturer dimensions for standard 1\/2\" K520 Y-pattern composite valves, ensuring smooth vertical stroke travel.\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\"\u003eCost-Effective In-Line Service:\u003c\/b\u003e Allows you to swap out internal seals quickly while the valve remains connected to the piping manifold, dramatically reducing system downtime.\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-RA Kit\u003c\/b\u003e includes all the essential, high-flex sealing elements required to overhaul the upper and lower fluid chambers during routine servicing:\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 EPDM Sealing Disc (Item No. 3):\u003c\/b\u003e The primary seat insert responsible for creating a positive, drop-tight seal against fluid flow.\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 EPDM Diaphragm (Item No. 8):\u003c\/b\u003e The flexible central pressure barrier that isolates the control chambers while maintaining superior cycle life. \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 EPDM O-Rings (Item No. 6, 7, 9, 15):\u003c\/b\u003e High-performance static and dynamic O-rings required to isolate the shaft, shaft guide body, and cap-to-body interface against high line pressures.\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=\"311\" height=\"311\"\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-RA\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\"\u003e1081784\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\"\u003eEPDM (Ethylene Propylene Diene Monomer)\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 65°C (149°F) Standard Composite \/ 105°C (221°F) Max\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\"\u003eApplication Profile\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"12,7,1,0\"\u003eWater Softening, Reverse Osmosis, Filtration, Light Chemicals\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\"\u003eRecommended Tooling \u0026amp; Accessories\u003c\/h3\u003e\n\u003cp data-path-to-node=\"15\"\u003eWhen disassembling glass-filled thermoplastic valves, maintaining precise alignment is critical to protect internal threads from stripping. Technicians should always perform this service using the official \u003cb data-path-to-node=\"15\" data-index-in-node=\"206\"\u003eAquaMatic 520-Z Assembly Tool\u003c\/b\u003e, which locks securely into the internal shaft configurations to prevent accidental physical damage.\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\"\u003ePro Maintenance Tip:\u003c\/b\u003e If you notice internal bypass issues but find your seals are intact during teardown, check the rigid internal plastic framing for scoring or scaling. If wear is present, consider pairing this seal kit with a \u003cb data-path-to-node=\"16,0\" data-index-in-node=\"229\"\u003eK520-RFN Plastic Internal Parts Kit\u003c\/b\u003e.\u003c\/p\u003e\n\u003c\/blockquote\u003e","brand":"AQMATIC","offers":[{"title":"Default Title","offer_id":43726273839299,"sku":"11275000103 | 2001007001","price":38.11,"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-ra-seal-kit-ep","provider":"GAPS Water Treatment","version":"1.0","type":"link"}