{"product_id":"inline-spring-loaded-check-valve-372s256-for-backf","title":"Inline Spring Loaded Check Valve For Backflow Prevention In Lead Free Cast Brass With Three Quarter Inch Press Connections, NSF ANSI 61 And 372 Certified, CSA Approved, 200 PSI CWP","description":"\u003cdiv\u003eLead-Free Brass Inline Spring-Loaded Check Valve 3\/4in Press\u003cbr\u003e\n✔️ Inline spring-loaded check valve with 3\/4in press ends, brass \u003cp\u003eThis inline spring-loaded check valve provides reliable backflow prevention in piping systems. Its lead-free cast brass body is designed for potable water, irrigation, and industrial applications, where maintaining forward flow and protecting the supply matters. NSF\/ANSI-61 and 372 certified, CSA approved for safe, compliant use. \u003c\/p\u003e ✅ Inner Spring Blocks Reverse Flow in Piping Systems \u003cbr\u003e\n✅ Heavy Duty Cast Brass Body and Disc; Dezincification Resistant; Corrosion Resistant; Lead Free \u003cbr\u003e\n✅ 3\/4in Press Connections for quick, secure installation \u003cbr\u003e\n✅ ConForm To ANSI Z1157 and CSA Approved; NSF\/ANSI-61\/372 \u003cbr\u003e\n✅ 200 PSI CWP (Non-Shock) rating \u003cbr\u003e\n✅ Color: Cast Brass \u003cbr\u003e \u003cp\u003e💡 What is an inline check valve and how does a spring-loaded version work?\u003c\/p\u003e\n\u003cp\u003eBackflow prevention devices use a spring-backed disc to allow flow in one direction and stop reverse flow. They are handy in water systems and industrial piping to protect the supply lines. \u003c\/p\u003e\n\u003cp\u003e- It prevents reverse flow in potable water lines, irrigation, and industrial piping\u003cbr\u003e- It uses a spring to bias the disc closed when forward flow stops or reverses\u003cbr\u003e- It supports 3\/4in press connections for fast, secure installation\u003cbr\u003e- It carries certifications like NSF\/ANSI-61\/372 and CSA for safety and compliance\u003cbr\u003e\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Amazon","offers":[{"title":"Default Title","offer_id":47902481187051,"sku":"VXB088LT9HX2","price":59.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0662\/3268\/0683\/files\/51IBxKFqiQL.jpg?v=1772989823","url":"https:\/\/vxb.com\/products\/inline-spring-loaded-check-valve-372s256-for-backf","provider":"VXB Bearings","version":"1.0","type":"link"}