Machino hose couplings are used for marine fire fightingin water-supply service indoor areas where on the ship.A set of hose coupling is divided into two parts.One connected to the valve,and one connected to the nozzles.When in use,open the valve and transfer water to the nozzle to extinguish the fire.All Machino couplings are forged, with smooth appearance and high tensile strength. In the production process, we strictly follow the marine standards for processing and testing. Therefore, the size and technical requirements are consistent with the standard, and customers can buy with confidence.