{"title":"Backflow Devices - Wilkins - DCVA - Double Check Valve Assemblies - 2 1\/2\"","description":null,"products":[{"product_id":"wilkins-2-1-2-450-less-gates","title":"Wilkins 2 1\/2\" 450 Less Gates","description":"\u003cp\u003eThe Wilkins Model 450 Double Check Valve Assembly without gate valves is designed for installation on potable water lines to protect against both backsiphonage and backpressure of polluted water into the potable water supply. This lead-free compliant assembly is ideal for low health hazard applications.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eDesign and Construction\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eFeatures an \u003cstrong\u003eepoxy-coated ductile iron body\u003c\/strong\u003e and access covers for superior corrosion resistance.\u003c\/li\u003e\n\u003cli\u003eThe \u003cstrong\u003e\"n-Pattern\" configuration\u003c\/strong\u003e and compact design make it suitable for new and retrofit installations in tight spaces.\u003c\/li\u003e\n\u003cli\u003eEquipped with a patented, \u003cstrong\u003ecenter-stem guided Compound Check\u003c\/strong\u003e for low headloss and reliable performance.\u003c\/li\u003e\n\u003cli\u003eA single access cover simplifies maintenance and reduces downtime.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eIncluded Components\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\u003cli\u003eThis Model 450 assembly is supplied \u003cstrong\u003ewithout gate valves\u003c\/strong\u003e, intended for integration with pre-existing shut-off valves.\u003c\/li\u003e\u003c\/ul\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. If you have ANY questions please contact us before ordering.\u003c\/em\u003e\u003c\/p\u003e","brand":"Water Specialties Company","offers":[{"title":"Default Title","offer_id":49796771873045,"sku":"212-450","price":7338.01,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0874\/6506\/6773\/files\/182148.jpg?v=1772729262"},{"product_id":"wilkins-2-1-2-350ast-os-y-gate-valves","title":"Wilkins 2 1\/2\" 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. 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":49796781768981,"sku":"212-350ASTOSY","price":7422.91,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0874\/6506\/6773\/files\/182588.jpg?v=1772729657"},{"product_id":"wilkins-2-1-2-450-os-y-gate-valves","title":"Wilkins 2 1\/2\" 450 OS\u0026Y Gate Valves","description":"\u003cp\u003eThe **Wilkins Model 450 Double Check Valve Assembly** with **OS\u0026amp;Y Gate Valves** provides reliable protection against backsiphonage and backpressure of polluted water into potable water lines. It is designed for low health hazard applications, suitable for both new and retrofit installations.\u003c\/p\u003e\u003cp\u003eThis device features an **n-Pattern configuration** and is ideal for compact locations. It comes equipped with **epoxy-coated cast iron OS\u0026amp;Y (Outside Stem \u0026amp; Yoke) resilient wedged gate valves**.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e**Patented center-stem guided Compound Check** design provides low headloss and superior performance.\u003c\/li\u003e\n\u003cli\u003e**Single access cover** reduces maintenance downtime for convenience.\u003c\/li\u003e\n\u003cli\u003e**Corrosion-resistant epoxy-coated ductile iron body** and access covers ensure longevity.\u003c\/li\u003e\n\u003cli\u003e**Lead-free compliant** construction meets NSF\/ANSI\/CAN 61 standards.\u003c\/li\u003e\n\u003cli\u003eDesigned for **flanged connections**.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cem\u003ePlease note: This 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\/em\u003e\u003c\/p\u003e","brand":"Water Specialties Company","offers":[{"title":"Default Title","offer_id":49796783374613,"sku":"212-450OSY","price":8525.9,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0874\/6506\/6773\/files\/182658.jpg?v=1772729727"},{"product_id":"wilkins-2-1-2-350ast-nrs-gate-valves","title":"Wilkins 2 1\/2\" 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":49796834656533,"sku":"212-350ASTNRS","price":6650.28,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0874\/6506\/6773\/files\/184210.jpg?v=1772731308"},{"product_id":"wilkins-2-1-2-350a-os-y-gate-valves","title":"Wilkins 2 1\/2\" 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":49796839047445,"sku":"212-350AOSY","price":7424.11,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0874\/6506\/6773\/files\/184307.jpg?v=1772731487"},{"product_id":"wilkins-2-1-2-350-os-y-gate-valves","title":"Wilkins 2 1\/2\" 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":49796840816917,"sku":"212-350OSY","price":7424.11,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0874\/6506\/6773\/files\/184346.jpg?v=1772731543"},{"product_id":"wilkins-2-1-2-350-nrs-gate-valves","title":"Wilkins 2 1\/2\" 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":49796842717461,"sku":"212-350NRS","price":6650.62,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0874\/6506\/6773\/files\/184398.jpg?v=1772731616"},{"product_id":"2-5-450-dc-di-body-n-pattern-grv-x-grv-less-gate-valves","title":"2.5 450 DC DI BODY,  N-PATTERN, GRV X GRV, LESS GATE VALVES","description":"\u003cp\u003eThe Zurn Wilkins Model 450 Double Check Valve Assembly provides crucial protection for potable water lines against both backsiphonage and backpressure of polluted water in low health hazard applications. Its unique n-Pattern design makes it an ideal choice for new and retrofit installations in compact locations.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eFeatures a \u003cstrong\u003epatented, center-stem guided Compound Check\u003c\/strong\u003e design, ensuring both low headloss and reliable, superior performance.\u003c\/li\u003e\n\u003cli\u003eA convenient \u003cstrong\u003esingle access cover\u003c\/strong\u003e is incorporated to significantly reduce maintenance downtime.\u003c\/li\u003e\n\u003cli\u003eConstructed with a \u003cstrong\u003ecorrosion-resistant, epoxy-coated ductile iron body\u003c\/strong\u003e and access covers for enhanced durability.\u003c\/li\u003e\n\u003cli\u003eUtilizes \u003cstrong\u003estainless steel fasteners and springs\u003c\/strong\u003e for long-lasting operation.\u003c\/li\u003e\n\u003cli\u003eDesigned with \u003cstrong\u003egrooved end connections\u003c\/strong\u003e for steel piping, adhering to AWWA C606 standards.\u003c\/li\u003e\n\u003cli\u003eThis configuration is supplied \u003cstrong\u003ewithout shut-off valves\u003c\/strong\u003e.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Water Specialties Company","offers":[{"title":"Default Title","offer_id":49796843667733,"sku":"212-450L","price":6024.88,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0874\/6506\/6773\/files\/191160.jpg?v=1783348753"},{"product_id":"wilkins-2-1-2-350a-nrs-gate-valves","title":"Wilkins 2 1\/2\" 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":49796845076757,"sku":"212-350ANRS","price":6650.62,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0874\/6506\/6773\/files\/184454.jpg?v=1772731747"},{"product_id":"2-5-350-dc-di-body-bfly-grv-x-grv","title":"2.5 350 DC DI BODY BFLY GRV X GRV","description":"The 2-1-2\" 350ABG Double Check Backflow Assembly, with grooved end Butterfly gate valves with integral supervisory switches, protects against backsiphonage and backpressure in low health hazard applications for all market segments. The use of our Patented Compound Check guarantees reliable performance and improved flow characteristics. The backflows single access cover reduces maintenance downtime, while the grooved, epoxy-coated ductile iron body provide corrosion-resistance. Its lightweight design and short lay-length ensures easy, compact installation.","brand":"Water Specialties Company","offers":[{"title":"Default Title","offer_id":49796846551317,"sku":"212-350ABG","price":7116.36,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0874\/6506\/6773\/files\/184481.jpg?v=1772731798"},{"product_id":"2-5-350-dc-ss-body-bfly-grv-x-grv","title":"2.5 350 DC SS BODY BFLY GRV X GRV","description":"The 2-1-2\" 350ASTBG Double Check Backflow Assembly, with grooved end butterfly valves with integral supervisory switches, protects against backsiphonage and backpressure in low health hazard applications. The use of our Patented Compound Check guarantees reliable performance and improved flow characteristics, making installation ideal for lower-pressure systems. Its 304L grade stainless steel valve body and access covers are corrosion-resistant for lower lifetime maintenance costs. Its lightweight design and short lay-length also ensures easy, compact installation.","brand":"Water Specialties Company","offers":[{"title":"Default Title","offer_id":49796848582933,"sku":"212-350ASTBG","price":7116.14,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0874\/6506\/6773\/files\/184522.jpg?v=1772731888"},{"product_id":"2-5-350-dc-di-body-grv-body-grv-x-grv-less-gate-valves","title":"2.5 350 DC DI BODY, GRV BODY, GRV X GRV, LESS GATE VALVES","description":"\u003cp\u003eThe \u003cstrong\u003eZurn Wilkins Model 350A Double Check Valve Assembly\u003c\/strong\u003e, 2.5 inch with grooved end connections, is designed for installation on potable water lines. It provides protection against backsiphonage and backpressure of polluted water in low health hazard applications, ideal for systems requiring Lead-Free* valves. This model is supplied without shut-off valves for grooved body connections.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eFeatures\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e2.5 inch\u003c\/strong\u003e Double Check Backflow Preventer.\u003c\/li\u003e\n\u003cli\u003eMain body and access covers constructed from \u003cstrong\u003eductile iron ASTM A 536\u003c\/strong\u003e with \u003cstrong\u003eNSF Approved electrostatic epoxy coating\u003c\/strong\u003e for corrosion resistance.\u003c\/li\u003e\n\u003cli\u003eFeatures a \u003cstrong\u003ePatented Compound Check\u003c\/strong\u003e for reliable performance and improved flow characteristics.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGrooved end connections\u003c\/strong\u003e for steel pipe, compliant with \u003cstrong\u003eAWWA C606\u003c\/strong\u003e and \u003cstrong\u003eANSI B16.42\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003eInternals made from \u003cstrong\u003eStainless Steel 300 Series\u003c\/strong\u003e and \u003cstrong\u003eNORYLT™\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003eSeal ring is \u003cstrong\u003eEPDM (FDA approved)\u003c\/strong\u003e and O-ring is \u003cstrong\u003eBuna Nitrile (FDA approved)\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003eDesigned for \u003cstrong\u003eeasy, compact installation\u003c\/strong\u003e with a lightweight design and short lay-length.\u003c\/li\u003e\n\u003cli\u003eInstallation approved for both \u003cstrong\u003ehorizontal and vertical\u003c\/strong\u003e positions.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003ePerformance Specifications\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eMaximum Working Water Pressure: \u003cstrong\u003e175 PSI\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eMaximum Working Water Temperature: \u003cstrong\u003e140°F\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eHydrostatic Test Pressure: \u003cstrong\u003e350 PSI\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Water Specialties Company","offers":[{"title":"Default Title","offer_id":49796849139989,"sku":"212-350AL","price":4670.55,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0874\/6506\/6773\/files\/191340.jpg?v=1783354498"},{"product_id":"3-350-dc-di-body-flg-body-flg-x-flg-less-gate-valves","title":"3 350 DC DI BODY, FLG BODY, FLG X FLG, LESS GATE VALVES","description":"\u003cp\u003eThe Zurn Model 350 Double Check Valve Backflow Assembly is designed for installation on potable water lines to protect against both backsiphonage and backpressure of polluted water into the potable water supply. 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