How the DYNAJET HELI valve is changing high-pressure water jetting

The DYNAJET HELI valve is a depressurising valve developed for demanding high-reach cleaning applications. It is designed to make work more efficient, more comfortable and safer when the operator is working far above the machine, where pressure control and reaction forces become especially important.

In practical use, the HELI valve allows depressurising at heights of up to 75 metres above the machine. Compared with conventional depressurising valves, this gives users much greater working range while keeping the same cleaning performance. For professional teams, that means more flexibility on structures such as towers, façades or other elevated surfaces where access conditions can be challenging.

A key advantage is how the system handles pressure release and build-up. When the gun is released, pressure is reduced almost completely via the bypass line. When the gun is activated again, the pressure rises gradually instead of abruptly. This controlled response helps reduce reaction force, which supports safer handling and better ergonomics during long working periods.

The DYNAJET HELI valve is immediately deployed in all 500-bar machines and can also be ordered as a special fitting for the DYNAJET 350th HELI. For operators and service providers working with high pressure in elevated environments, it is a practical solution that improves control without compromising output.