Deringer 20. Deringer 20/20G Ames Fire & Waterworks Deringer 50GX Specification Sheet Maintenance Instructions Deringer Maintenance Instructions provide step by step procedures for maintaining your backflow preventer The DeringerTM 20 Double Check Valve Assembly is designed to prevent non-health hazard pollutants from entering the potable water supply system caused by backpressure and/or backsiphonage conditions Features• Intergral shutoff valves indoor/outdoor application• 100% stainless steel housing• Tamper-resistant test cocks• Patented Dual-actionTM check modules- Poppet action at low flow.
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View and Download Watts AMES Deringer 20 installation, operation and maintenance manual online The Deringer 20 Double Check Backflow Preventer prevents non-health hazard pollutants from entering a potable water supply system when backpressure and/or backsiphonage conditions occur.The smallest, lightest, most economical, best performing, and only all stainless steel backflow preventer
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Specification Deringer 20 Double Check valve shall use two independent Dual-action check modules and two integral resiliently seated shut-off valves, all of which shall be contained within a single rigid valve housing constructed entirely of 304 stainless steel. Deringer 20 features integral Eccentric-seal™ butterfly shutoff valves for a short lay length, and Dual-action™ checks for high performance at low- and high-flow rates Deringer 50GX Specification Sheet Maintenance Instructions Deringer Maintenance Instructions provide step by step procedures for maintaining your backflow preventer
How to Maintenance a 6"8" Deringer 20 Double Check Backflow Preventer. Deringer 50GX Specification Sheet Maintenance Instructions Deringer Maintenance Instructions provide step by step procedures for maintaining your backflow preventer Deringer 20/30 2 to 4 inch Maintenance Instructions Deringer 20/30 6 to 8 inch and 20X/30X 4 to 6 inch Maintenance Instructions Deringer 40/50 2 to 4 inch Maintenance Instructions
The Future of Backflow Prevention // Ames Deringer™ 20 (DC) Backflow. The Deringer 20 Double Check Backflow Preventer prevents non-health hazard pollutants from entering a potable water supply system when backpressure and/or backsiphonage conditions occur.The smallest, lightest, most economical, best performing, and only all stainless steel backflow preventer Deringer 20 features integral Eccentric-seal™ butterfly shutoff valves for a short lay length, and Dual-action™ checks for high performance at low- and high-flow rates