{"title":"Backflow Devices - Wilkins - DCVA - Double Check Valve Assemblies - 6\"","description":null,"products":[{"product_id":"wilkins-6-350ast-os-y-gate-valves","title":"Wilkins 6\" 350AST OS\u0026Y Gate Valves","description":"Wilkins Model 350AST with OS\u0026amp;Y (Outside Stem \u0026amp; Yoke) Valves. Designed for replacement of your pre existing device or brand new installation. This 350AST is a Stainless Steel flanged device. The 350AST is grooved connection between the backflow and gate valves. OS\u0026amp;Y valves are epoxy coated cast iron series 408 resiliant wedged OSY valves. Lead Free Compliant\u003cbr\u003e\u003cp\u003e\u003c\/p\u003e\u003cp\u003e\u003cimg src=\"https:\/\/fireresq-documents.s3.amazonaws.com\/wsc\/lead-free-compliant.png\"\u003e\u003c\/p\u003e\u003cb\u003e\u003c\/b\u003e\u003cbr\u003e\u003cbr\u003e\u003cfont color=\"#D26E4B\"\u003eThis is a non-stock, special order item and could take up to 2 weeks or more to deliver. 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This assembly provides protection where a potential health hazard does not exist and is ideal for applications requiring \u003cstrong\u003elead-free\u003c\/strong\u003e valves.\u003c\/p\u003e\u003cp\u003eIt is suitable for replacement of existing devices or for new installations, featuring an \u003cstrong\u003eepoxy coated ductile iron flanged device\u003c\/strong\u003e and an \u003cstrong\u003e\"N\" pattern configuration\u003c\/strong\u003e for compact locations.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eFeatures\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePatented, center-stem guided Compound Check\u003c\/strong\u003e provides low headloss and reliable performance.\u003c\/li\u003e\n\u003cli\u003eConvenient \u003cstrong\u003esingle access cover\u003c\/strong\u003e reduces maintenance downtime.\u003c\/li\u003e\n\u003cli\u003eConfigured in an \u003cstrong\u003e\"N\" pattern\u003c\/strong\u003e for use in compact enclosures and easy retrofit.\u003c\/li\u003e\n\u003cli\u003eComes standard with \u003cstrong\u003eOS\u0026amp;Y gate valves\u003c\/strong\u003e, which are epoxy coated cast iron series 408 resilient wedge OS\u0026amp;Y valves.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLead-Free Compliant\u003c\/strong\u003e.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eMaterials\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eMain Valve Body: \u003cstrong\u003eDuctile Iron ASTM A 536 Grade 4\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eAccess Covers: \u003cstrong\u003eDuctile Iron ASTM A536 Grade 4\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eCoatings: \u003cstrong\u003eFDA Approved fusion epoxy finish\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eFasteners: \u003cstrong\u003eStainless Steel, 300 Series\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eElastomers: \u003cstrong\u003eEPDM (FDA approved)\u003c\/strong\u003e and \u003cstrong\u003eBuna Nitrile (FDA approved)\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003ePolymers: \u003cstrong\u003eNORYL™\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eSprings: \u003cstrong\u003eStainless Steel, 300 Series\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eConnections\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eEnd Connections: \u003cstrong\u003eFlanged\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eValve Size: \u003cstrong\u003e6 inch\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Water Specialties Company","offers":[{"title":"Default Title","offer_id":49796781670677,"sku":"6-450OSY","price":16959.52,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0874\/6506\/6773\/files\/182582.jpg?v=1772729652"},{"product_id":"wilkins-6-450-less-gates","title":"Wilkins 6\" 450 Less Gates","description":"\u003cp\u003eThe Wilkins Model 450 Double Check Valve Assembly is designed for installation on potable water lines to protect against both backsiphonage and backpressure of polluted water into the potable water supply in low health hazard applications. This specific device comes \u003cstrong\u003ewithout gate valves\u003c\/strong\u003e, making it ideal for replacement and use with your pre-existing valves.\u003c\/p\u003e\u003cp\u003eThis 450 model features an \u003cstrong\u003eepoxy coated ductile iron\u003c\/strong\u003e body with \u003cstrong\u003eflanged\u003c\/strong\u003e end connections and an \u003cstrong\u003en-Pattern\u003c\/strong\u003e configuration, optimized for compact locations and lead-free compliance.\u003c\/p\u003e\u003cp\u003e\u003cem\u003eThis is a non-stock, special order item and could take up to 2 weeks or more to deliver. All non-stock items are non-refundable. Please be sure you order carefully and contact us if you have any questions before ordering.\u003c\/em\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eConstruction \u0026amp; Features\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eLead Free Compliant\u003c\/strong\u003e for potable water applications.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEpoxy coated ductile iron\u003c\/strong\u003e body and access covers ensure corrosion resistance.\u003c\/li\u003e\n\u003cli\u003eFeatures a \u003cstrong\u003epatented, center-stem guided Compound Check\u003c\/strong\u003e for low headloss and reliable performance.\u003c\/li\u003e\n\u003cli\u003eDesigned with a \u003cstrong\u003esingle access cover\u003c\/strong\u003e to simplify maintenance and reduce downtime.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eN-Pattern configuration\u003c\/strong\u003e allows for use in compact installations and retrofit applications.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Water Specialties Company","offers":[{"title":"Default Title","offer_id":49796783702293,"sku":"6-450","price":16632.54,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0874\/6506\/6773\/files\/182673.jpg?v=1772729740"},{"product_id":"wilkins-6-350a-nrs-gate-valves","title":"Wilkins 6\" 350A NRS Gate Valves","description":"Wilkins Model 350A with NRS (Non Rising Stem) Valves. Designed for replacement of your pre existing device or brand new installation. This 350A is an epoxy coated cast iron flanged device. The 350A is grooved connection between the backflow and gate valves. NRS valves are epoxy coated cast iron series 406 resiliant wedged NRS valves. Lead Free Compliant\u003cbr\u003e\u003cp\u003e\u003c\/p\u003e\u003cp\u003e\u003cimg src=\"https:\/\/fireresq-documents.s3.amazonaws.com\/wsc\/lead-free-compliant.png\"\u003e\u003c\/p\u003e\u003cb\u003e\u003c\/b\u003e\u003cbr\u003e\u003cbr\u003e\u003cfont color=\"#D26E4B\"\u003eThis is a non-stock, special order item and could take up to 2 weeks or more to deliver. All non-stock items are non-refundable, Please be sure you order carefully. If you have ANY questions please contact us before ordering.\u003c\/font\u003e","brand":"Water Specialties Company","offers":[{"title":"Default Title","offer_id":49796831772949,"sku":"6-350ANRS","price":12967.28,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0874\/6506\/6773\/files\/184139.jpg?v=1772731206"},{"product_id":"wilkins-6-350a-os-y-gate-valves","title":"Wilkins 6\" 350A OS\u0026Y Gate Valves","description":"Wilkins Model 350A with OS\u0026amp;Y (Outside Stem \u0026amp; Yoke) Valves. Designed for replacement of your pre existing device or brand new installation. This 350A is an epoxy coated cast iron flanged device. The 350A is grooved connection between the backflow and gate valves. OS\u0026amp;Y valves are epoxy coated cast iron series 408 resiliant wedged OSY valves. Lead Free Compliant\u003cbr\u003e\u003cp\u003e\u003c\/p\u003e\u003cp\u003e\u003cimg src=\"https:\/\/fireresq-documents.s3.amazonaws.com\/wsc\/lead-free-compliant.png\"\u003e\u003c\/p\u003e\u003cb\u003e\u003c\/b\u003e\u003cbr\u003e\u003cbr\u003e\u003cfont color=\"#D26E4B\"\u003eThis is a non-stock, special order item and could take up to 2 weeks or more to deliver. All non-stock items are non-refundable, Please be sure you order carefully. If you have ANY questions please contact us before ordering.\u003c\/font\u003e","brand":"Water Specialties Company","offers":[{"title":"Default Title","offer_id":49796838457621,"sku":"6-350AOSY","price":13462.38,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0874\/6506\/6773\/files\/184290.jpg?v=1772731462"},{"product_id":"wilkins-6-350-os-y-gate-valves","title":"Wilkins 6\" 350 OS\u0026Y Gate Valves","description":"Wilkins Model 350 with OS\u0026amp;Y Gate Valves. Designed for replacement of your pre existing device or brand new installation. This 350 is an epoxy coated cast iron flanged device. OS\u0026amp;Y valves are epoxy coated cast iron series 408 resiliant wedged OSY valves. Lead Free Compliant\u003cbr\u003e\u003cp\u003e\u003c\/p\u003e\u003cp\u003e\u003cimg src=\"https:\/\/fireresq-documents.s3.amazonaws.com\/wsc\/lead-free-compliant.png\"\u003e\u003c\/p\u003e\u003cb\u003e\u003c\/b\u003e\u003cbr\u003e\u003cbr\u003e\u003cfont color=\"#D26E4B\"\u003eThis is a non-stock, special order item and could take up to 2 weeks or more to deliver. All non-stock items are non-refundable, Please be sure you order carefully. If you have ANY questions please contact us before ordering.\u003c\/font\u003e","brand":"Water Specialties Company","offers":[{"title":"Default Title","offer_id":49796838949141,"sku":"6-350OSY","price":13463.71,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0874\/6506\/6773\/files\/184304.jpg?v=1772731482"},{"product_id":"wilkins-6-350ast-nrs-gate-valves","title":"Wilkins 6\" 350AST NRS Gate Valves","description":"Wilkins Model 350AST with NRS (Non Rising Stem) Valves. Designed for replacement of your pre existing device or brand new installation. This 350A is a Stainless Steel flanged device. The 350A is grooved connection between the backflow and gate valves. NRS valves are epoxy coated cast iron series 406 resiliant wedged NRS valves. Lead Free Compliant\u003cbr\u003e\u003cp\u003e\u003c\/p\u003e\u003cp\u003e\u003cimg src=\"https:\/\/fireresq-documents.s3.amazonaws.com\/wsc\/lead-free-compliant.png\"\u003e\u003c\/p\u003e\u003cb\u003e\u003c\/b\u003e\u003cbr\u003e\u003cbr\u003e\u003cfont color=\"#D26E4B\"\u003eThis is a non-stock, special order item and could take up to 2 weeks or more to deliver. All non-stock items are non-refundable, Please be sure you order carefully. If you have ANY questions please contact us before ordering.\u003c\/font\u003e","brand":"Water Specialties Company","offers":[{"title":"Default Title","offer_id":49796843176213,"sku":"6-350ASTNRS","price":12966.49,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0874\/6506\/6773\/files\/184414.jpg?v=1772731637"},{"product_id":"wilkins-6-350-nrs-gate-valves","title":"Wilkins 6\" 350 NRS Gate Valves","description":"Wilkins Model 350 with NRS (Non Rising Stem) Gate Valves. Designed for replacement of your pre existing device or brand new installation. This 350 is an epoxy coated cast iron flanged device. NRS valves are epoxy coated cast iron series 406 resiliant wedged NRS valves. Lead Free Compliant\u003cbr\u003e\u003cp\u003e\u003c\/p\u003e\u003cp\u003e\u003cimg src=\"https:\/\/fireresq-documents.s3.amazonaws.com\/wsc\/lead-free-compliant.png\"\u003e\u003c\/p\u003e\u003cb\u003e\u003c\/b\u003e\u003cbr\u003e\u003cbr\u003e\u003cfont color=\"#D26E4B\"\u003eThis is a non-stock, special order item and could take up to 2 weeks or more to deliver. All non-stock items are non-refundable, Please be sure you order carefully. If you have ANY questions please contact us before ordering.\u003c\/font\u003e","brand":"Water Specialties Company","offers":[{"title":"Default Title","offer_id":49796845011221,"sku":"6-350NRS","price":12967.28,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0874\/6506\/6773\/files\/184452.jpg?v=1772731744"},{"product_id":"6-450-dc-ss-body-bfly-grv-x-grv","title":"6 450 DC SS BODY BFLY GRV X GRV","description":"\u003cp\u003eThe Wilkins 450ST Stainless Steel Double Check Valve Assembly (DC) is designed for both new installations and direct drop-in replacements on potable water lines. It provides protection against backsiphonage and backpressure of polluted water where a potential health hazard does not exist, while withstanding the corrosive effects of water.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eFeatures\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCorrosion-resistant\u003c\/strong\u003e 304L stainless steel body extends product life.\u003c\/li\u003e\n\u003cli\u003eSmall, \u003cstrong\u003ecompact footprint\u003c\/strong\u003e allows for direct drop-in replacement.\u003c\/li\u003e\n\u003cli\u003eTime-tested \u003cstrong\u003echeck and relief valve components\u003c\/strong\u003e ensure easy maintenance and more water system uptime.\u003c\/li\u003e\n\u003cli\u003ePatented \u003cstrong\u003ecompound checks\u003c\/strong\u003e provide ultra-low pressure drop as documented by approval authorities, reducing the need for a booster pump.\u003c\/li\u003e\n\u003cli\u003ePatented \u003cstrong\u003eAR spool\u003c\/strong\u003e for drop-in replacements, matching lay-lengths of common n-pattern valves.\u003c\/li\u003e\n\u003cli\u003eAR spool maintains \u003cstrong\u003eagency approvals\u003c\/strong\u003e when installed by the factory.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBackflow setter\u003c\/strong\u003e eliminates the need for concrete thrust blocks, allowing for easier installation and lower cost.\u003c\/li\u003e\n\u003cli\u003eDesigned for \u003cstrong\u003evertical up - vertical down orientation only\u003c\/strong\u003e.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eMaterials\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eMain valve body: \u003cstrong\u003e304L Stainless steel\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eAccess covers: \u003cstrong\u003e304L Stainless steel\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eInternals: \u003cstrong\u003eStainless steel, 300 Series\u003c\/strong\u003e; \u003cstrong\u003eNORYLT™\u003c\/strong\u003e, NSF Listed\u003c\/li\u003e\n\u003cli\u003eFasteners and springs: \u003cstrong\u003eStainless Steel, 300 Series\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eSeal ring: \u003cstrong\u003eEPDM\u003c\/strong\u003e (FDA approved)\u003c\/li\u003e\n\u003cli\u003eO-ring: \u003cstrong\u003eBuna Nitrile\u003c\/strong\u003e (FDA approved)\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eConnections\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\u003cli\u003eThis assembly features \u003cstrong\u003e6 inch grooved end butterfly valves\u003c\/strong\u003e on both the inlet and outlet.\u003c\/li\u003e\u003c\/ul\u003e","brand":"Water Specialties Company","offers":[{"title":"Default Title","offer_id":49796847894805,"sku":"6-450STBG","price":19378.02,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0874\/6506\/6773\/files\/191317.jpg?v=1783352873"},{"product_id":"6-350-dc-di-body-grv-body-grv-x-grv-less-gate-valves","title":"6 350 DC DI BODY, GRV BODY, GRV X GRV, LESS GATE VALVES","description":"\u003cp\u003eThe Zurn Wilkins Model 350A 6 inch Double Check Valve Assembly is designed to protect potable water lines from backsiphonage and backpressure in low health hazard applications. 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