{"title":"ARI Check Valves","description":"\u003cp\u003eBrowse ARI Check Valves at Valves UK — industrial valves, actuation and automation equipment with UK delivery and technical support.\u003c\/p\u003e","products":[{"product_id":"ari-armaturen-checko-d-check-valve-wafer-pattern-stainless-steel-body","title":"ARI CHECKO-D Check Valve (Wafer Pattern, Stainless Steel Body) (Packs of 5 Available)","description":"\u003cp\u003e\u003cstrong\u003ePlease note:\u003c\/strong\u003e options marked “Pack of 5” are supplied as packs of five units, and the price shown is for the full pack.\u003c\/p\u003e\u003cp data-start=\"281\" data-end=\"707\"\u003eThe \u003ca href=\"https:\/\/www.ari-armaturen.com\/en\/products\/product-catalogue\/isolation\/check-valves\"\u003eARI CHECKO-D Check Valve\u003c\/a\u003e with a wafer pattern design and a stainless steel body is a space-saving, corrosion-resistant solution for preventing reverse flow in pipelines carrying steam, gas, or liquid media. Its dual-plate swing mechanism allows forward flow with minimal pressure drop, and closes quickly upon flow reversal — protecting downstream equipment such as pumps, compressors, and heat exchangers.\u003c\/p\u003e\n\u003cp data-start=\"709\" data-end=\"1265\"\u003eThe wafer-style body is designed for easy installation between flanges, significantly reducing space requirements and weight compared to flanged alternatives. Made entirely from stainless steel, the valve offers outstanding resistance to corrosion, erosion, and thermal stress, making it ideal for aggressive process media or hygienic applications. This check valve is suitable for horizontal or vertical mounting and can be used across a wide range of industries, including food processing, chemical manufacturing, marine, and clean steam systems.\u003c\/p\u003e\n\u003cp data-start=\"1267\" data-end=\"1446\"\u003eManufactured by ARI Armaturen, the CHECKO-D delivers dependable non-return protection, excellent sealing performance, and long-lasting durability in a compact, efficient form.\u003c\/p\u003e\n\u003chr data-start=\"1448\" data-end=\"1451\"\u003e\n\u003ch3 data-start=\"1453\" data-end=\"1469\"\u003eKey Features\u003c\/h3\u003e\n\u003cp data-start=\"1471\" data-end=\"1595\"\u003e\u003cstrong data-start=\"1474\" data-end=\"1498\"\u003eStainless Steel Body\u003c\/strong\u003e\u003cbr data-start=\"1498\" data-end=\"1501\"\u003eHighly resistant to corrosion and wear, ideal for aggressive or hygienic process applications.\u003c\/p\u003e\n\u003cp data-start=\"1597\" data-end=\"1728\"\u003e\u003cstrong data-start=\"1600\" data-end=\"1624\"\u003eWafer Pattern Design\u003c\/strong\u003e\u003cbr data-start=\"1624\" data-end=\"1627\"\u003eCompact and lightweight, fits snugly between standard pipeline flanges without taking up extra space.\u003c\/p\u003e\n\u003cp data-start=\"1730\" data-end=\"1837\"\u003e\u003cstrong data-start=\"1733\" data-end=\"1763\"\u003eDual-Plate Swing Mechanism\u003c\/strong\u003e\u003cbr data-start=\"1763\" data-end=\"1766\"\u003eMinimises pressure drop and ensures rapid closure against reverse flow.\u003c\/p\u003e\n\u003cp data-start=\"1839\" data-end=\"1939\"\u003e\u003cstrong data-start=\"1842\" data-end=\"1868\"\u003eUniversal Installation\u003c\/strong\u003e\u003cbr data-start=\"1868\" data-end=\"1871\"\u003eCan be mounted in horizontal or vertical pipelines with upward flow.\u003c\/p\u003e\n\u003cp data-start=\"1941\" data-end=\"2047\"\u003e\u003cstrong data-start=\"1944\" data-end=\"1976\"\u003eLow Maintenance Construction\u003c\/strong\u003e\u003cbr data-start=\"1976\" data-end=\"1979\"\u003eNo external components or actuation required — fully self-operating.\u003c\/p\u003e\n\u003cp data-start=\"2049\" data-end=\"2165\"\u003e\u003cstrong data-start=\"2052\" data-end=\"2081\"\u003eVersatile Application Use\u003c\/strong\u003e\u003cbr data-start=\"2081\" data-end=\"2084\"\u003eSuited for clean steam, chemical processing, water treatment, and marine systems.\u003c\/p\u003e","brand":"Steam Valves","offers":[{"title":"DN15 - 1\/2\" (Pack of 5)","offer_id":55798565830981,"sku":null,"price":456.0,"currency_code":"GBP","in_stock":true},{"title":"DN20 - 3\/4\"","offer_id":55798565863749,"sku":null,"price":105.6,"currency_code":"GBP","in_stock":true},{"title":"DN25 - 1\"","offer_id":55798565896517,"sku":null,"price":141.6,"currency_code":"GBP","in_stock":true},{"title":"DN32 - 1 1\/4\"","offer_id":55798565929285,"sku":null,"price":172.8,"currency_code":"GBP","in_stock":true},{"title":"DN40 - 1 1\/2\"","offer_id":55798565962053,"sku":null,"price":192.0,"currency_code":"GBP","in_stock":true},{"title":"DN50 - 2\"","offer_id":55798565994821,"sku":null,"price":237.6,"currency_code":"GBP","in_stock":true},{"title":"DN65 - 2 1\/2\"","offer_id":55798566027589,"sku":null,"price":375.6,"currency_code":"GBP","in_stock":true},{"title":"DN80 - 3\"","offer_id":55798566060357,"sku":null,"price":529.2,"currency_code":"GBP","in_stock":true},{"title":"DN100 - 4\"","offer_id":55798566093125,"sku":null,"price":692.4,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0956\/5542\/8421\/files\/ARICHECKO-DCheckValve_WaferPattern_StainlessSteelBody.jpg?v=1759418610"},{"product_id":"ari-armaturen-checko-v-lift-check-valve-flanged-pn16-nodular-iron-body","title":"ARI CHECKO-V Lift Check Valve (Flanged PN16, Nodular Iron Body)","description":"\u003cp data-end=\"658\" data-start=\"275\"\u003eThe ARI CHECKO-V Lift Check Valve with PN16 flanged connections and a nodular cast iron body is a cost-effective, reliable solution for preventing reverse flow in low-to-medium pressure systems. Its vertical lift disc design ensures automatic closure when backflow occurs, protecting essential components like pumps and regulators while maintaining system efficiency.\u003c\/p\u003e\n\u003cp data-end=\"1210\" data-start=\"660\"\u003eConstructed from nodular (ductile) iron, this valve body delivers a strong combination of mechanical strength, thermal resistance, and shock absorption. The PN16 pressure rating is ideal for general service applications such as water systems, heating networks, and low-pressure steam lines. The flanged ends allow for quick, secure installation and easy access for internal inspection or maintenance. Trusted by engineers across the industry, this ARI Armaturen valve provides durable non-return protection in compact, user-friendly form.\u003c\/p\u003e\n\u003chr data-end=\"1215\" data-start=\"1212\"\u003e\n\u003ch3 data-end=\"1233\" data-start=\"1217\"\u003eKey Features\u003c\/h3\u003e\n\u003cp data-end=\"1355\" data-start=\"1235\"\u003e\u003cstrong data-end=\"1264\" data-start=\"1238\"\u003eNodular Cast Iron Body\u003c\/strong\u003e\u003cbr data-end=\"1267\" data-start=\"1264\"\u003eTough, resilient material offering strength and flexibility for everyday industrial use.\u003c\/p\u003e\n\u003cp data-end=\"1459\" data-start=\"1357\"\u003e\u003cstrong data-end=\"1388\" data-start=\"1360\"\u003ePN16 Flanged Connections\u003c\/strong\u003e\u003cbr data-end=\"1391\" data-start=\"1388\"\u003ePerfect for general-purpose systems operating up to 16 bar pressure.\u003c\/p\u003e\n\u003cp data-end=\"1575\" data-start=\"1461\"\u003e\u003cstrong data-end=\"1495\" data-start=\"1464\"\u003eLift-Type Non-Return Design\u003c\/strong\u003e\u003cbr data-end=\"1498\" data-start=\"1495\"\u003eDisc lifts with forward flow and closes automatically under reverse pressure.\u003c\/p\u003e\n\u003cp data-end=\"1691\" data-start=\"1577\"\u003e\u003cstrong data-end=\"1604\" data-start=\"1580\"\u003eCompact Installation\u003c\/strong\u003e\u003cbr data-end=\"1607\" data-start=\"1604\"\u003eSuitable for both vertical and horizontal pipelines with limited space requirements.\u003c\/p\u003e\n\u003cp data-end=\"1793\" data-start=\"1693\"\u003e\u003cstrong data-end=\"1725\" data-start=\"1696\"\u003eLow Maintenance Operation\u003c\/strong\u003e\u003cbr data-end=\"1728\" data-start=\"1725\"\u003eSimple, robust design ensures reliability with minimal servicing.\u003c\/p\u003e\n\u003cp data-end=\"1908\" data-start=\"1795\"\u003e\u003cstrong data-end=\"1827\" data-start=\"1798\"\u003eIdeal for Utility Systems\u003c\/strong\u003e\u003cbr data-end=\"1830\" data-start=\"1827\"\u003eWidely used in water supply, HVAC, and low-pressure steam or condensate lines.\u003c\/p\u003e","brand":"Steam Valves","offers":[{"title":"DN15 - 1\/2\"","offer_id":55798566388037,"sku":null,"price":230.4,"currency_code":"GBP","in_stock":true},{"title":"DN20 - 3\/4\"","offer_id":55798566420805,"sku":null,"price":260.4,"currency_code":"GBP","in_stock":true},{"title":"DN25 - 1\"","offer_id":55798566453573,"sku":null,"price":312.48,"currency_code":"GBP","in_stock":true},{"title":"DN32 - 1 1\/4\"","offer_id":55798566486341,"sku":null,"price":364.8,"currency_code":"GBP","in_stock":true},{"title":"DN40 - 1 1\/2\"","offer_id":55798566519109,"sku":null,"price":415.2,"currency_code":"GBP","in_stock":true},{"title":"DN50 - 2\"","offer_id":55798566551877,"sku":null,"price":517.2,"currency_code":"GBP","in_stock":true},{"title":"DN65 - 2 1\/2\"","offer_id":55798566584645,"sku":null,"price":662.4,"currency_code":"GBP","in_stock":true},{"title":"DN80 - 3\"","offer_id":55798566617413,"sku":null,"price":800.4,"currency_code":"GBP","in_stock":true},{"title":"DN100 - 4\"","offer_id":55798566650181,"sku":null,"price":1080.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0956\/5542\/8421\/files\/ARICHECKO-VLiftCheckValve_FlangedPN16_NodularIronBody.jpg?v=1759418611"},{"product_id":"ari-armaturen-checko-v-lift-check-valve-flanged-pn25-nodular-iron-body","title":"ARI CHECKO-V Lift Check Valve (Flanged PN25, Nodular Iron Body)","description":"\u003cp data-start=\"277\" data-end=\"691\"\u003eThe ARI CHECKO-V Lift Check Valve with PN25 flanged connections and a nodular iron body is engineered to prevent reverse flow in pipeline systems, protecting pumps, compressors, and control valves from potential damage. This non-return valve uses a vertical lift disc mechanism that responds automatically to pressure changes — allowing flow in one direction and sealing tightly when flow reverses.\u003c\/p\u003e\n\u003cp data-start=\"693\" data-end=\"1191\"\u003eConstructed from nodular cast iron (ductile iron), the body provides excellent strength, shock absorption, and durability, making it suitable for a wide range of general-purpose applications. The PN25 pressure rating supports medium-pressure systems typically found in heating circuits, water distribution, and low-to-mid pressure steam systems. The flanged design allows for secure installation and straightforward maintenance, with internal access available for cleaning or servicing.\u003c\/p\u003e\n\u003cp data-start=\"1193\" data-end=\"1382\"\u003eManufactured by ARI Armaturen, a leader in industrial valve solutions, the CHECKO-V offers a cost-effective yet dependable solution for ensuring safe and efficient one-way flow control.\u003c\/p\u003e\n\u003chr data-start=\"1384\" data-end=\"1387\"\u003e\n\u003ch3 data-start=\"1389\" data-end=\"1405\"\u003eKey Features\u003c\/h3\u003e\n\u003cp data-start=\"1407\" data-end=\"1531\"\u003e\u003cstrong data-start=\"1410\" data-end=\"1431\"\u003eNodular Iron Body\u003c\/strong\u003e\u003cbr data-start=\"1431\" data-end=\"1434\"\u003eDurable and resilient with good pressure resistance and thermal stability for industrial service.\u003c\/p\u003e\n\u003cp data-start=\"1533\" data-end=\"1664\"\u003e\u003cstrong data-start=\"1536\" data-end=\"1557\"\u003ePN25 Flanged Ends\u003c\/strong\u003e\u003cbr data-start=\"1557\" data-end=\"1560\"\u003eDesigned for medium-pressure systems up to 25 bar with easy integration into standard flanged pipelines.\u003c\/p\u003e\n\u003cp data-start=\"1666\" data-end=\"1799\"\u003e\u003cstrong data-start=\"1669\" data-end=\"1702\"\u003eVertical Lift Check Mechanism\u003c\/strong\u003e\u003cbr data-start=\"1702\" data-end=\"1705\"\u003eAutomatically closes to block reverse flow, reducing the risk of damage to critical equipment.\u003c\/p\u003e\n\u003cp data-start=\"1801\" data-end=\"1920\"\u003e\u003cstrong data-start=\"1804\" data-end=\"1830\"\u003eCompact In-Line Design\u003c\/strong\u003e\u003cbr data-start=\"1830\" data-end=\"1833\"\u003eIdeal for use in both vertical and horizontal installations without compromising space.\u003c\/p\u003e\n\u003cp data-start=\"1922\" data-end=\"2028\"\u003e\u003cstrong data-start=\"1925\" data-end=\"1951\"\u003eLow Maintenance Access\u003c\/strong\u003e\u003cbr data-start=\"1951\" data-end=\"1954\"\u003eFlanged design simplifies inspection and servicing of internal components.\u003c\/p\u003e\n\u003cp data-start=\"2030\" data-end=\"2170\"\u003e\u003cstrong data-start=\"2033\" data-end=\"2078\"\u003eSuitable for a Wide Range of Applications\u003c\/strong\u003e\u003cbr data-start=\"2078\" data-end=\"2081\"\u003eUsed in water, steam, heating, and utility systems in commercial and industrial settings.\u003c\/p\u003e","brand":"Steam Valves","offers":[{"title":"DN15 - 1\/2\"","offer_id":55798566945093,"sku":null,"price":230.4,"currency_code":"GBP","in_stock":true},{"title":"DN20 - 3\/4\"","offer_id":55798566977861,"sku":null,"price":260.4,"currency_code":"GBP","in_stock":true},{"title":"DN25 - 1\"","offer_id":55798567010629,"sku":null,"price":284.4,"currency_code":"GBP","in_stock":true},{"title":"DN32 - 1 1\/4\"","offer_id":55798567043397,"sku":null,"price":364.8,"currency_code":"GBP","in_stock":true},{"title":"DN40 - 1 1\/2\"","offer_id":55798567076165,"sku":null,"price":415.2,"currency_code":"GBP","in_stock":true},{"title":"DN50 - 2\"","offer_id":55798567108933,"sku":null,"price":517.2,"currency_code":"GBP","in_stock":true},{"title":"DN65 - 2 1\/2\"","offer_id":55798567141701,"sku":null,"price":662.4,"currency_code":"GBP","in_stock":true},{"title":"DN80 - 3\"","offer_id":55798567174469,"sku":null,"price":800.4,"currency_code":"GBP","in_stock":true},{"title":"DN100 - 4\"","offer_id":55798567207237,"sku":null,"price":1107.6,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0956\/5542\/8421\/files\/ARICHECKO-VLiftCheckValve_FlangedPN25_NodularIronBody.jpg?v=1759418612"},{"product_id":"ari-armaturen-checko-v-lift-check-valve-flanged-pn40-cast-steel-body","title":"ARI CHECKO-V Lift Check Valve (Flanged PN40, Cast Steel Body)","description":"\u003cp data-end=\"668\" data-start=\"274\"\u003eThe ARI CHECKO-V Lift Check Valve with PN40 flanged ends and a cast steel body is a high-performance non-return valve designed to prevent reverse flow in steam, gas, and liquid pipelines. Its vertical lift mechanism allows flow in one direction while automatically closing when reverse pressure is detected, safeguarding equipment such as pumps, compressors, and control valves.\u003c\/p\u003e\n\u003cp data-end=\"1169\" data-start=\"670\"\u003eBuilt with a durable cast steel body, this valve offers excellent strength, thermal resistance, and long-term reliability — even in demanding process environments. The PN40 pressure rating ensures safe and consistent operation in high-pressure applications, making it suitable for steam systems, power plants, chemical processing, and industrial utilities. The flanged connections allow secure installation, easy maintenance access, and full compatibility with standard pipeline systems.\u003c\/p\u003e\n\u003cp data-end=\"1370\" data-start=\"1171\"\u003eDesigned and manufactured by ARI Armaturen, the CHECKO-V combines German engineering precision with robust functionality, making it a trusted choice where performance and protection are critical.\u003c\/p\u003e\n\u003chr data-end=\"1375\" data-start=\"1372\"\u003e\n\u003ch3 data-end=\"1393\" data-start=\"1377\"\u003eKey Features\u003c\/h3\u003e\n\u003cp data-end=\"1520\" data-start=\"1395\"\u003e\u003cstrong data-end=\"1425\" data-start=\"1398\"\u003eCast Steel Construction\u003c\/strong\u003e\u003cbr data-end=\"1428\" data-start=\"1425\"\u003eStrong and heat-resistant body ideal for high-temperature, high-pressure service conditions.\u003c\/p\u003e\n\u003cp data-end=\"1631\" data-start=\"1522\"\u003e\u003cstrong data-end=\"1546\" data-start=\"1525\"\u003ePN40 Flanged Ends\u003c\/strong\u003e\u003cbr data-end=\"1549\" data-start=\"1546\"\u003eEngineered for safe installation into high-pressure pipeline systems up to 40 bar.\u003c\/p\u003e\n\u003cp data-end=\"1742\" data-start=\"1633\"\u003e\u003cstrong data-end=\"1665\" data-start=\"1636\"\u003eLift-Type Check Mechanism\u003c\/strong\u003e\u003cbr data-end=\"1668\" data-start=\"1665\"\u003eAutomatically closes against reverse flow to protect downstream equipment.\u003c\/p\u003e\n\u003cp data-end=\"1855\" data-start=\"1744\"\u003e\u003cstrong data-end=\"1774\" data-start=\"1747\"\u003eCompact, In-Line Design\u003c\/strong\u003e\u003cbr data-end=\"1777\" data-start=\"1774\"\u003eOptimised for vertical or horizontal mounting with minimal space requirements.\u003c\/p\u003e\n\u003cp data-end=\"1967\" data-start=\"1857\"\u003e\u003cstrong data-end=\"1884\" data-start=\"1860\"\u003eMaintenance-Friendly\u003c\/strong\u003e\u003cbr data-end=\"1887\" data-start=\"1884\"\u003eFlanged design allows for quick inspection and servicing of internal components.\u003c\/p\u003e\n\u003cp data-end=\"2095\" data-start=\"1969\"\u003e\u003cstrong data-end=\"2006\" data-start=\"1972\"\u003eReliable Non-Return Protection\u003c\/strong\u003e\u003cbr data-end=\"2009\" data-start=\"2006\"\u003eEssential in steam, gas, and liquid applications across industrial and energy sectors.\u003c\/p\u003e","brand":"Steam Valves","offers":[{"title":"DN15 - 1\/2\"","offer_id":55798567600453,"sku":null,"price":246.0,"currency_code":"GBP","in_stock":true},{"title":"DN20 - 3\/4\"","offer_id":55798567633221,"sku":null,"price":276.0,"currency_code":"GBP","in_stock":true},{"title":"DN25 - 1\"","offer_id":55798567665989,"sku":null,"price":302.4,"currency_code":"GBP","in_stock":true},{"title":"DN32 - 1 1\/4\"","offer_id":55798567698757,"sku":null,"price":386.4,"currency_code":"GBP","in_stock":true},{"title":"DN40 - 1 1\/2\"","offer_id":55798567731525,"sku":null,"price":462.0,"currency_code":"GBP","in_stock":true},{"title":"DN50 - 2\"","offer_id":55798567764293,"sku":null,"price":550.8,"currency_code":"GBP","in_stock":true},{"title":"DN65 - 2 1\/2\"","offer_id":55798567797061,"sku":null,"price":829.2,"currency_code":"GBP","in_stock":true},{"title":"DN80 - 3\"","offer_id":55798567829829,"sku":null,"price":1095.6,"currency_code":"GBP","in_stock":true},{"title":"DN100 - 4\"","offer_id":55798567862597,"sku":null,"price":1502.4,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0956\/5542\/8421\/files\/ARIArmaturenCHECKO-VLiftCheckValve_FlangedPN40_CastSteelBody.jpg?v=1759418612"}],"url":"https:\/\/valvesuk.com\/collections\/ari-check-valves.oembed","provider":"Valves UK","version":"1.0","type":"link"}