Deringer 20. DERINGER 20X 4 Ames Fire & Waterworks 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 Ames Deringer™ 20 and 20G Double Check Valve Assemblies are designed to prevent non-health hazard pollutants from entering the potable water supply system caused by backpressure and/or backsiphonage conditions
Deringer 20/20G Ames Fire & Waterworks from www.watts.com
Deringer 50GX Specification Sheet Maintenance Instructions Deringer Maintenance Instructions provide step by step procedures for maintaining your backflow preventer The Deringer 20G Double Check Backflow Preventer w/ OS&Y Gate Valves 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 20/20G Ames Fire & Waterworks
The Deringer 20G Double Check Backflow Preventer w/ OS&Y Gate Valves 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 Double Check Valve/Double Check Detector Assemblies
DERINGER 20 (DC) DBL CHK BFP. The Deringer 20G Double Check Backflow Preventer w/ OS&Y Gate Valves 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
Deringer 20/20G Ames Fire & Waterworks. 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 This 4 inch Ames Deringer (TM) 20 double check valve backflow preventer assembly is designed to prevent non-health hazard pollutants from entering the potable water supply system caused by backflow due to backpressure and/or backsiphonage conditions