{"product_id":"4-lf757dcda-osy-gpm","title":"4 LF757DCDA-OSY-GPM","description":"\u003cp\u003eThis 4 inch \u003cstrong\u003eLead Free\u003c\/strong\u003e Double Check Detector Backflow Preventer Assembly with \u003cstrong\u003eOSY shutoff valves\u003c\/strong\u003e and a \u003cstrong\u003egallons per minute meter\u003c\/strong\u003e is designed to prevent backflow of non-health hazard pollutants into potable water supply systems. It is primarily used on \u003cstrong\u003efire line sprinkler systems\u003c\/strong\u003e where monitoring unauthorized water use is necessary.\u003c\/p\u003e\u003cp\u003eThe assembly may be installed under continuous pressure service to protect against both backpressure and backsiphonage in non-health hazard applications.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eFeatures\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eLead Free*\u003c\/strong\u003e construction\u003c\/li\u003e\n\u003cli\u003eExtremely compact design and \u003cstrong\u003e70% lighter\u003c\/strong\u003e than traditional designs\u003c\/li\u003e\n\u003cli\u003eHousing and sleeve constructed of \u003cstrong\u003e304 Schedule 40 stainless steel\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eGroove fittings allow integral pipeline adjustment\u003c\/li\u003e\n\u003cli\u003eUnique \u003cstrong\u003etri-link spring checks\u003c\/strong\u003e provide lowest pressure loss\u003c\/li\u003e\n\u003cli\u003eUnmatched ease of serviceability with removable and serviceable tri-link checks without special tools\u003c\/li\u003e\n\u003cli\u003eMay be used for \u003cstrong\u003ehorizontal, vertical, or N pattern installations\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eReplaceable check disc rubber\u003c\/li\u003e\n\u003cli\u003eIncludes a \u003cstrong\u003egallons per minute meter\u003c\/strong\u003e for monitoring water usage\u003c\/li\u003e\n\u003cli\u003eEquipped with \u003cstrong\u003eOutside Stem and Yoke (OSY) shutoff valves\u003c\/strong\u003e and four test cocks\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cem\u003e*The wetted surface of this product contacted by consumable water contains less than 0.25% of lead by weight.\u003c\/em\u003e\u003c\/p\u003e","brand":"Water Specialties Company","offers":[{"title":"Default Title","offer_id":49796725997845,"sku":"0122716","price":10184.37,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0874\/6506\/6773\/files\/180350.jpg?v=1772727800","url":"https:\/\/www.backflowpreventer.com\/products\/4-lf757dcda-osy-gpm","provider":"Water Specialties Company","version":"1.0","type":"link"}