{"product_id":"2-5-4000ss-nrs-fs","title":"2.5 4000SS-NRS-FS","description":"\u003cp\u003eThis 2 1\/2 inch lead free reduced pressure zone backflow preventer assembly is designed to prevent the reverse flow of fire protection substances and water of non-potable quality from being pumped or siphoned into the potable water supply due to \u003cstrong\u003ebacksiphonage\u003c\/strong\u003e and\/or \u003cstrong\u003ebackpressure\u003c\/strong\u003e. It is ideal for protection in continuous pressure piping applications and at cross-connections identified as health hazards.\u003c\/p\u003e\u003cp\u003eIts compact modular design facilitates easy maintenance with a single access cover for in-line repairs. This assembly includes resilient seated shutoff valves with a non-rising stem (NRS) and a patented cam-check assembly for maximum flow at low pressure drop.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eFeatures\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eStainless steel construction\u003c\/strong\u003e provides long-term corrosion resistance and maximum strength.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStainless steel body\u003c\/strong\u003e is half the weight of competitive designs reducing installation and shipping costs.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShort end-to-end dimensions\u003c\/strong\u003e make retrofitting easy.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCam-check assembly\u003c\/strong\u003e provides maximum flow at low pressure drop.\u003c\/li\u003e\n\u003cli\u003eNo special tools required for servicing.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompact construction\u003c\/strong\u003e allows for smaller enclosures and easy in-line repairs.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStainless steel relief valve\u003c\/strong\u003e features a balanced rolling diaphragm to eliminate sliding seals and lower maintenance costs.\u003c\/li\u003e\n\u003cli\u003eIntegrated \u003cstrong\u003eflood sensor\u003c\/strong\u003e with \u003cstrong\u003eSentryPlus Alert®\u003c\/strong\u003e technology to detect continuous discharge from the relief valve.\u003c\/li\u003e\n\u003cli\u003eFlood alert feature activated with an add-on sensor connection kit, compatible with BMS and cellular network communication.\u003c\/li\u003e\n\u003cli\u003eIntegrates with the \u003cstrong\u003eSensor Control Monitor\u003c\/strong\u003e to deliver maintenance alerts to BAS via RS-485 Modbus or the \u003cstrong\u003eNexa®\u003c\/strong\u003e platform by Wi-Fi connectivity.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eMaterials\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eAll internal metal parts: \u003cstrong\u003e300 Series stainless steel\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eMain valve body: \u003cstrong\u003e300 Series stainless steel\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eCheck assembly: \u003cstrong\u003eNoryl®\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cem\u003eUse of the flood sensor does not replace the need to comply with all required instructions, codes, and regulations related to installation, operation, and maintenance of this product, including the need to provide proper drainage in the event of a discharge. The information contained herein is not intended to replace the full product installation and safety information available or the experience of a trained product installer. You are required to thoroughly read all installation instructions and product safety information before beginning the installation of this product.\u003c\/em\u003e\u003c\/p\u003e","brand":"Water Specialties Company","offers":[{"title":"Default Title","offer_id":49796636836117,"sku":"F0690479","price":6839.24,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0874\/6506\/6773\/files\/177284.jpg?v=1772725235","url":"https:\/\/www.backflowpreventer.com\/products\/2-5-4000ss-nrs-fs","provider":"Water Specialties Company","version":"1.0","type":"link"}