COUPLING APPARATUS FOR WATER SUPPLY FOR FIRE FIGHTING AND METHOD OF MANUFACTURING THE SAME

摘要

PURPOSE: A water supply pipe for fire fighting and a manufacturing method thereof are provided to improve corrosion resistance and to reduce the thickness of the body of the pipe. CONSTITUTION: A water supply pipe for fire fighting comprises a pair of connection pipes(100) which is formed with a coupling groove on the outer periphery, a pair of inlet tubes(200) which is tapered and comprises a check valve for controlling water, a discharge pipe(300) for discharging water, a first body(400) which is formed with a pair of inlet tube coupling holes on one side and is open on the other side, and a second body(500) which is formed with a discharge pipe coupling hole.