Deringer 40/40G
Lightweight Stainless Steel Reduced Pressure Zone Assembly Backflow Preventers with Integral Butterfly or OSY Shutoffs
Ames Deringer™ 40 and 40G Reduced Pressure Zone Assemblies are designed to prevent hazardous contaminants and non-health hazard pollutants from entering the potable water supply system caused by backpressure and/or backsiphonage conditions. Deringer 40 features integral Eccentric-seal™ butterfly shutoff valves for a short lay length, and True-Seal™ and Dual-action™ checks for high performance at low- and high-flow rates. Deringer 40G also features Dual-action checks, but with OS&Y shutoff valves.
Either may be installed under continuous pressure service to protect against both backpressure and backsiphonage. Maximum working pressure: 175psi (12 bar).
Features
- Integral shutoffs for shorter lay length and lightweight construction (Deringer 40 only)
- Bow-seal™ full access cover for lower weight and easy access to valve internals
- Dual-action check module for low- and high-flow performance
- Tamper-resistant test cocks
- Prewired supervisory switches (Deringer 40 only)
Literature
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