{"product_id":"4-lfc500-dosy-g-fs","title":"4 LFC500-DOSY-G-FS","description":"\u003cp\u003eThe \u003cstrong\u003eColt LFC500 Lead Free Reduced Pressure Detector Assembly\u003c\/strong\u003e, 4 inch with domestic OSY shutoff valves and a flood sensor, protects potable water systems from contamination due to backsiphonage and backpressure.\u003c\/p\u003e\u003cp\u003eIt is commonly used in health-hazard cross-connection applications, such as fire sprinkler systems, to prevent the reverse flow of non-potable water into the potable water supply. This assembly also monitors unauthorized water use and features a flood sensor to detect excessive water discharges from the relief valve.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eDesign \u0026amp; Construction\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eFeatures an \u003cstrong\u003eextremely compact design\u003c\/strong\u003e, up to 70% lighter than traditional designs.\u003c\/li\u003e\n\u003cli\u003eConstructed with a \u003cstrong\u003eType 304 (Schedule 40) stainless steel housing and sleeve\u003c\/strong\u003e for durability.\u003c\/li\u003e\n\u003cli\u003eIncludes two independent \u003cstrong\u003eLink Check modules\u003c\/strong\u003e and a \u003cstrong\u003edifferential pressure relief valve\u003c\/strong\u003e, all contained within an accessible single housing.\u003c\/li\u003e\n\u003cli\u003eEquipped with \u003cstrong\u003edomestic outside stem and yoke (OSY) resilient seated gate valves\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGroove fittings\u003c\/strong\u003e allow for integral pipeline adjustment.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePatented link checks\u003c\/strong\u003e ensure lowest pressure loss and feature \u003cstrong\u003ereversible elastomer discs\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003eIncludes a \u003cstrong\u003ecorrosive resistant bottom-mounted pressure relief valve\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003eFurnished with a \u003cstrong\u003egallons per minute meter\u003c\/strong\u003e in the bypass assembly to detect leaks and unauthorized water usage.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUnmatched ease of serviceability\u003c\/strong\u003e with \u003cstrong\u003ereplaceable check disc rubber\u003c\/strong\u003e.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eFlood Monitoring \u0026amp; Alerts\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eIntegrated \u003cstrong\u003eflood sensor with SentryPlus Alert® technology\u003c\/strong\u003e detects excessive water discharges from the relief valve.\u003c\/li\u003e\n\u003cli\u003eWhen activated by an \u003cstrong\u003eadd-on sensor connection kit\u003c\/strong\u003e, the sensor relays alerts for potential flooding events.\u003c\/li\u003e\n\u003cli\u003eConnection kit options include BMS, cellular communication, or the Sensor Control Monitor for integration with BAS via RS-485 Modbus or the Nexa® platform through Wi-Fi.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eSupervisory Features\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eIncludes an \u003cstrong\u003eintegrated supervisory switch\u003c\/strong\u003e as an option on each gate valve of the OSY model.\u003c\/li\u003e\n\u003cli\u003eThe supervisory switch activates within two (2) turns from open to indicate valve position.\u003c\/li\u003e\n\u003cli\u003eDesigned to send a tamper signal if the valve is closed or the switch is removed.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cem\u003eInstallation must comply with all required instructions, codes, and regulations. Thoroughly read all installation and product safety information before beginning installation. Inquire with governing authorities for local installation requirements. Use of the flood sensor does not replace the need for proper drainage in the event of a discharge.\u003c\/em\u003e\u003c\/p\u003e","brand":"Water Specialties Company","offers":[{"title":"Default Title","offer_id":49796640375061,"sku":"F0124680","price":12316.64,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0874\/6506\/6773\/files\/177410.jpg?v=1772725341","url":"https:\/\/www.backflowpreventer.com\/products\/4-lfc500-dosy-g-fs","provider":"Water Specialties Company","version":"1.0","type":"link"}