Cut-off valve

(VT.539.N) The cut-off valve is used to enable the installation or uninstallation of the automatic air-vent VT.502, without circuit discharge. This item comprises of a nickel-plated brass body, plastic spindle and rubber gasket. The spindle is held in the upright position with the help of stainless-steel spring. The valve is installed in the circuit before the air-vent.