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Design and function of permanent pressure extinguishers

DÖKA offers permanent pressure fire extinguishers with the extinguishing agents powder, water and foam.

The design of powder permanent pressure fire extinguishers and water or foam continuous pressure fire extinguishers is largely identical and differs in principle only in the extinguishing nozzle used.

Functional description
  1. Pull out the safety pin. The extinguisher is ready for use.
  2. Point the extinguishing nozzle at the source of the fire and apply the extinguishing agent jet in a controlled manner by pressing down the pressure lever.

By pressing down the pressure lever, the valve spindle opens and the extinguishing powder is led to the source of the fire via the riser pipe and hose line by the propellant gas permanently stored in the container. By releasing the pressure lever, the extinguishing agent discharge can be interrupted at will.

Carbon dioxide extinguisher

In the case of carbon dioxide fire extinguishers, the extinguishing agent is also the propellant gas.

Functional description
  1. Pull out the safety pin, the extinguisher is ready for use.
  2. Point the snow pipe at the source of the fire. By pressing the pressure lever, the valve spindle opens and the compressed carbon dioxide is led to the source of the fire via the riser pipe, hose line and snow pipe.
  3. By releasing the pressure lever, the extinguishing agent discharge can be interrupted at any time.

The fire extinguisher is equipped with a safety valve, not shown, which relieves the tank when an impermissible operating overpressure is reached.