GATE VALVES
BUTTERFLY VALVES
CHECK VALVES
AIR VALVES
STRAINERS
DISMANTLING PIECES
IRRIGATION HYDRANTS
FIRE HYDRANTS
BALANCING VALVES
WATERMETERS
NEEDLE (PLUNGER) VALVES
CONTROL VALVES

Double Chamber & Triple Function

DVD Double Chamber Air Release and Vacuum Valves are designed to perform three functions:

1. Venting of large volumes of air on the start-up of the system, while pipelines are filled.

2. Intake of large volumes of air on shut-off of the system, while pipelines are being drained.

3. Discharge of pressurized air pockets during the operation.

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