Deringer 20 Double Check Backflow Valve Assembly Quick Test Fitting Set for Differential Pressure Gauge and supports prompt fire suppression

and supports prompt fire suppression activation

supporting a range of pipe sizes and system pressures

and supports NFPA 13 and NFPA 25 inspection protocols

This valve assembly simplifies fire sprinkler system maintenance by integrating test and drain functions

Certification and Compliance: UL Listed

Deringer 20 Double Check Backflow Valve Assembly Quick Test Fitting Set for Differential Pressure Gauge and supports prompt fire suppressionThe Viking Deringer 20 Double Check Backflow Valve Assembly is a precision engineered backflow prevention device designed specifically for commercial and industrial fire sprinkler systems. It provides fire protection professionals with a durable and reliable solution to safeguard potable water supplies from contamination in high demand fire safety environments. Durable Construction: Main body made from ASTM A536 ductile iron, offering strong