PURPOSE: A method for replacing a valve without suspension of water supply is provided to simply replace broken or old valves without water leakage while water is passing through a pipe.;CONSTITUTION: A method for replacing a valve without suspension of water supply is as follows. A water ...
reducing valvewater supply systemgate openingThis paper is on the selection of the type of a small turbine unit, which can replace the reducer and stabilize the operation in water supply systems of hydropower plants. In high-head large-sized plants, a small tur...
The device for replacing the valve without cutting off the water supply includes: a valve cover joined to an outlet of the valve to be separated; a pipe-shaped transferring rod of which one end is inserted into a pipe where an inlet of the valve is connected after passing through the ...
NON-CUTOFF WATER SUPPLY VALVE ELEMENT REPLACING DEVICEPROBLEM TO BE SOLVED: To provide a non-cutoff water supply valve element replacing device capable of accurately positioning, and capable of removing an old gasket.IKEDA KOHEI池田 幸平ITO KAZUYA...
When replacing a valve of a water distribution pipe, a forward and backward mounting portion is disposed in the longitudinal direction of the inside of a body portion constituting the device to enable the entirety of the device to be floated in the pipe. An expansion portion expanded outward ...
PURPOSE: A grand packing replacing device of a sluice valve for a water pipe is provided to replace the grand packing easily, and to prevent corrosion of the pipe and the valve by pushing and releasing the packing presser without cutting off water supply. CONSTITUTION: A grand packing ...
PURPOSE: A grand packing replacing device of a sluice valve for a water pipe is provided to replace the grand packing easily, and to prevent corrosion of the pipe and the valve by pushing and releasing the packing presser without cutting off water supply. CONSTITUTION: A grand packing ...