Deringer Relief Valve Features

Take a look at the website graphics for the Deringer 40/50 Relief Valve...specifically describing the features of the smallest and lightest relief valve assembly in the industry. The Deringer Backflow Product line uses the same relief valve for all valve sizes 2 1/2" - 8".

Bypass Assembly Features

Tell us what you think of our website graphics for the 4" Deringer 30 specifically describing the features of the smallest and lightest bypass assembly in the industry. The same bypass assembly is used for all sizes of Deringer valves.

Deringer Weights and Measures

Weights and Measures for the Deringer product line. 2 1/2" - 8" Deringer 20 [DC] 2 1/2" - 8" Deringer 30 [DCDA-II] 2 1/2" - 8" Deringer 40 [RP] 2 1/2" - 8" Deringer 50 [RPDA-II]

Backflow Direct Brochure (Sneak Peek)

The FRONT COVER of the first BACKFLOW DIRECT brochure for the Deringer 20-50 Backflow Preventer Product Line. Brochure will include marketing information the following products: 2 1/2" - 8" Deringer 20 [DC] 2 1/2" - 8" Deringer 30 [DCDA-II] 2 1/2" - 8" Deringer 40 [RP] 2 1/2" - 8" Deringer 50 [RPDA-II]
The INNER FLAP of the first BACKFLOW DIRECT brochure for the Deringer 20-50 Backflow Prevention Product Line. As revealed in this graphic, the reunited BACKFLOW DIRECT TEAM has introduced every major innovation in backflow in the last 30 years.
This is the CENTERFOLD of the first BACKFLOW DIRECT brochure for the Deringer 20-50 Backflow Prevention Product Line. The graphic says it all...

Backflow Direct Director of Research Development

Lou Maligad joins the BACKFLOW DIRECT team as the DIRECTOR OF RESEARCH AND DEVELOPMENT, responsible for prototyping, evaluation, testing and approvals of all backflow prevention products.  Lou has been an R & D engineer, technician, or machinist in the backflow industry for more than 20 years. He has utilized his talents to complete the development and approval of hundreds of backflow prevention products for Ames Company, Hunter Innovations, Watts Industries, and now BACKFLOW DIRECT.  The BACKFLOW DIRECT team could not ask for a more skilled or experienced team member to assure the successful completion of the BACKFLOW DIRECT Deringer Backflow Prevention Product Line.