Pressure-type vacuum breaker "VD-7N model"

Can be used indoors! Ideal for preventing backflow to the water source due to reverse siphon action.

The "VD-7N type" is a vacuum breaker designed to automatically introduce air into the negative pressure section to prevent the reverse siphon effect in the water supply system. It is used in piping sections where water pressure is always present but reverse pressure does not occur. It incorporates a check valve and ensures reliable prevention of backflow by introducing air through the intake valve. Additionally, it comes standard with a test cock, allowing for functionality checks of the check valve and intake valve while connected to the piping. 【Features】 ■ Intake structure utilizing a float design ■ Check mechanism employing a spring system that closes the valve before backflow occurs ■ Usable indoors ■ Functionality checks can be performed *For more details, please download the PDF or feel free to contact us.

Piping Equipment