How to use various fire hose pipe fittings?

Fire interface is a kind of fire equipment, mainly used for the connection between hose, fire hydrant and water gun. Carry out the delivery of water and mixed liquid for fire extinguishing work. The fire interface is composed of the main body, the sealing ring seat, the rubber sealing ring and the retaining ring and other parts. The sealing ring seat is provided with grooves for tying the water belt. It has the characteristics of good sealing, fast and labor-saving connection, and not easy to fall off.

The internal threaded fixed interface of the fire hydrant pipe tooth interface is installed at the outlet of the fire hydrant, fire pump, etc., for connecting the hose. It is mainly sealed by the rubber sealing ring and the aluminum alloy pressing ring. It is composed of a body, a pressing ring and a flat sealing ring, one end is a pipe thread, and the other end is an internal port.

When using, empty the hose through the main body, put it on the auxiliary body, fasten it with a hose clamp and install it. Rotate the two ports with the same caliber by 90° in a clockwise direction to separate them. Always pay attention to check whether the sealing ring is aging, if it is aging, which affects the sealing performance, it should be replaced, cleaned after each use, and placed in a dry place.