Abstract: The present invention relates to a valve combined with a water hammer arrester, including the water hammer arrester having a cylindrical casing having one side closed and the other side open, a shock-absorbing material being put into the cylindrical casing, and a piston adapted to be inserted into the cylindrical casing, the piston having packing members mounted thereon to prevent the leakage of the shock-absorbing material, wherein a drive part of the valve has an insertion portion formed by reducing the lower portion of the water hammer arrester, so that the insertion portion of the water hammer arrester functions as a spindle of the valve and a body of the water hammer arrester functions as an operating handle of the valve.

Abstract: A fuse type sprinkler has a body which is fastened to a drain pipe for spraying water through a drain formed inside, a valve of which an upper end is inserted into the drain of the body and to which a sealing unit is mounted along an upper end circumference to press and seal an inner surface of the drain, a frame which is fastened to the body to surround the valve and is provided with a hook on a lower end inner peripheral surface, a heat sensing unit which supports a lower end of the valve to allow an upper end of the valve to be inserted into the drain while being hooked by the hook of the frame, and is provided with a fuse which is separated from the frame to fall off when the fuse is fused by heat, and a deflector which is positioned inside the frame and falls off and is hung on the hook when the heat sensing unit is separated to distribute water sprayed through the drain.

Abstract: The present disclosure relates to a sprinkler head of fuse type, and more particularly, to a sprinkler head of fuse type which may perform an accurate and rapid elastically pressing operation when a fire occurs and particularly prevent any minute opening which may cause a fuse to be cooled due to a leaked fire fighting water and not to function.

Abstract: A fuse type sprinkler has a body which is fastened to a drain pipe for spraying water through a drain formed inside, a valve of which an upper end is inserted into the drain of the body and to which a sealing unit is mounted along an upper end circumference to press and seal an inner surface of the drain, a frame which is fastened to the body to surround the valve and is provided with a hook on a lower end inner peripheral surface, a heat sensing unit which supports a lower end of the valve to allow an upper end of the valve to be inserted into the drain while being hooked by the hook of the frame, and is provided with a fuse which is separated from the frame to fall off when the fuse is fused by heat, and a deflector which is positioned inside the frame and falls off and is hung on the hook when the heat sensing unit is separated to distribute water sprayed through the drain.

Abstract: The present invention discloses an automatic water pressure control valve balancing the temperature of mixed water, eliminating a cylinder enclosing the pressure control piston and multiple seal rings, to reduce the number of parts and to minimize the production costs of the automatic water pressure control valve, and a second automatic water pressure control valve simplifying the structure of the piston within the cylinder to enhance productivity of the automatic water pressure control valve, and comprising additionally the backflow cutoff valves in each of the hot water outlet and the cold water outlet to prevent back flows of water. Therefore, initial control of water pressure is easy because the piston is always placed in the center of the cylinder while water doesn't flow.

Abstract: A water hammer cleaning machine has a cleaning liquid supply piping line with a pump to press cleaning liquid therethrough and an air piping line with compressor to press air therethrough to a piping line to be cleaned. An automatic opening-closing valve on the air piping line opens or closes the air piping line to clean alien substances inside of the piping line with the cleaning liquid and with a shock wave of resulting oscillation.

Abstract: A water hammer cleaning machine has a cleaning liquid supply piping line with a pump to press cleaning liquid therethrough and an air piping line with compressor to press air therethrough to a piping line to be cleaned. An automatic opening-closing valve on the air piping line opens or closes the air piping line to clean alien substances inside of the piping line with the cleaning liquid and with a shock wave of resulting oscillation.