Underground fire hydrants are designed to draw water for firefighting purposes from the underground water supply network using the KPA pillar. Underground fire hydrants are installed in wells on fire stands in the water supply network using a flange.

The weight of the hydrant at a height of 1000 mm is not more than 95 kg.

The weight variation for every 250 mm of height is not more than 10 kg.

The working pressure is 1 MPa.

The nominal diameter is 125 mm.