- 1500 Bar max pressure

- 80 Lpm max flow

- 60°C max water temperature

- Brass body - St.steel internals

- 3/8"BSPF inlet

- 3/8"BSPF outlet

- 3/8"BSPM bypass

- 1/4"BSPF air inlet

- 6-8 Bar air pressure

- Call sales office for installation advice

The Pratissoli PN12 unloading valve is a normally open pneumatic- actuated device which, according to its setting, opens or closes the by-pass line. When the by-pass is open, the valve partially releases the flow, thus setting the system pressure to zero.

The pneumatic control allows to cut in (ON) or to cut out (OFF) the hydraulic pressure of the system. This function is particularly suited for automatic working cycles and remote controls. Moreover, the “OFF” position allows to start the pump at zero pressure, i.e. without the motor being under stress.