Designed for use in non-health hazard cross-connections and continuous pressure applications subject to backpressure or backsiphonage incidents, such as lawn sprinklers, fire sprinkler lines, commercial pools, tanks and vats, and food cookers.

Double Check Detector Assemblies are designed to prevent backflow of non-health hazard substances from being pumped or siphoned into the potable water supply. Certain models have a meter to detect ground leaks and unauthorized illegal taps. Available in multiple configurations and material construction. Have a question or two?

The 350ADA Double Check Detector Backflow Preventer protects against both backsiphonage and backpressure in low health hazard, fire protection applications. Featuring a metered bypass system, the 350ADA efficiently detects leaks and any unauthorized water use.

Series 3000SS Double Check Detector Assembly Backflow Preventers are designed to prevent the backflow of fire protection system substances from being pumped or siphoned into the potable water supply. It consists of a compact construction and …

The 350DA Double Check Detector Backflow Assembly protects against backsiphonage and backpressure in low health hazard, fire protection applications. Featuring a metered bypass system, the 350DA efficiently and effectively detects leaks and any unauthorized water use, saving you added costs associated with maintenance and repairs.

Designed for installation on potable water connections in fire sprinkler systems to protect against both backsiphonage and backpressure of polluted water into the potable water supply. Model 350DA shall provide protection where a potential health hazard does not exist. Incorporates metered by-pass to detect leaks and unauthorized water use.

DDCV ∙ Double Door Check, Wafer Technical Features • Sizes: 2”, 2.5”, 3”, 4”, 5”, 6”, 8”, 10”, 12”, 14”, 16” • Approvals: UL, ULC, FM, NSF-61, NSF-372 • Working Pressure: 300PSI • Maximum Working Temperature: 212ºF (100°C) • Coating / Lining: AWWA C550 Download Spec...

The Double Detector Check Valve Assembly backflow preventer protects against backflow, by either back-pressure or back-siphonage, from a cross-connection between potable water systems and substances, in ‘medium hazard’ conditions. It is designed for use in fire service systems and allows monitoring of small draw-offs of water via the bypass.

Designed For Installation on Potable Water Connections in Fire Sprinkler Systems; Protects Against Back Siphonage & Back Pressure of Polluted Water into the Potable Water Supply; Groove Fittings Allow Integral Pipeline Adjustment; Epoxy Coated Ductile Iron; Entire Valve Can be Fully Serviced Inline; WaterMarked; Specification Sheets

FFS-100MMNSB-DDCV (BFV Single Point Design) FFS-100MMNSB-DDCVB (Extra Iso Valve) FEATURES. Booster assemblies are manufactured to conform to the requirement of AS2419 & to relevant local authorities. All components comply to the requirements of AS2419. Any fabricated components are Hot Dipped Galvanised as required in AS2419.