OS&Y Gate Valves

Deringer 20G, 30G, 40G and 50G Backflow Assemblies include two resiliently seated and inline serviceable AWWA C509 gate valves of type outside yoke and stem (OS&Y). Both gate valves shall include a stainless steel stem with pre-machined groove for installation of supervisory tamper switches. OS&Y gate valves make operation simpler, due to their easy-to-access placement. The short lay-length and lightweight body of these devices also make installation a breeze. Check out our Deringer Backflow Preventers with OS&Y gate valves today. You won’t be disappointed!

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Deringer 20G (DC) Double Check Backflow Preventer w/ OS&Y Gate Valves
Deringer 30G (DCDA-II) Double Check Detector Backflow Preventer w/ OS&Y Gate Valves
Deringer 40G (RP) Reduced Pressure Backflow Preventer w/ OS&Y Gate Valves
Deringer 50G (RPDA-II) Reduced Pressure Detector Backflow Preventer w/ OS&Y Gate Valves
Deringer 20GX (DC) Xtreme Performance Double Check Backflow Preventer w/OS&Y Gate Valves
- 4X"$2639
- 6X"$4259
Deringer 30GX (DCDA-II) Xtreme Performance Double Check Detector Backflow Preventer w/OS&Y Gate Valves
- 4X"$3029
- 6X"$4459