Deringer 20 Double Check Backflow Prevention Valve (DC)

The Deringer 20 (DC) is available in sizes 2 - 8 inches. It's the shortest, lightest, most economical backflow assembly on the market! Available online.

Backflow Prevention

8 Deringer 50G RPDA GPM OSY

Model 20 American Backflow

Deringer Xtreme Performance Backflow Assemblies have a larger body and check valves than our other Deringer backflow preventers, this gives you a huge

Deringer 30X (DCDA-II)

D220W-D220CW Double Check Valve - DZR Brass - Crane Fluid Systems

BIM objects - Free download! Lightweight Stainless Steel Double

4 Deringer 20 Double Check Valve Assembly (DC)

Testing Procedure for Double Check Valves

DC vs RPZ: How is a Double Check Valve Different From an RPZ Valve?