Stop-valve for water and gas mainsdoi:US337438 AWesley EoyceUSUS337438 * 1885年12月5日 1886年3月9日 Stop-valve for water and gas mains
an external mains water supply and actuated by a manually operated switch, the use as a stop-cock of an electrically operated valve in combination with a manually operated switch, and a method of isolating the internal water distribution system of a building from an external mains water supply....
a5.Gate valve which can isolate the cold water feed to the multi point water heater.[translate] a7.Multi water heater - specifically designed to work at mains water pressure.[translate]
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non-return valve and a diaphragm rupturing device located between the stop valves all installed in succession in the direction of gas flow; connected in parallel with the auxiliary pipe-line to the diaphragm rupturing device is a by-pass pipe with a stop valve installed in it, and the gas ...
The device comprises a valve body having a threaded base 33 adapted to fit a threaded bore of a stop tap body, a sealing washer 36 to prevent water passing across from the mains side, and a fluid passageway 44 extending through said valve. A flexible temporary supply pipe 42 is connected...
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When air is trapped in the compression chamber, it functions as a regular surge vessel, a vented surge vessel when the ventilation pipe’s float is open, and an air valve when all the water has been forced into the pipeline. When the pump main starts to fill, water enters the hybrid ...
and live valve inserting are daily routines that require advanced tested equipment built by knowledgeable veterans of the industry. 2LBin offers American designed and built hot tap machines, line stop machines, pipeline repair and pipe maintenance tools, and supplies. Our tapping and line stop machin...
and live valve inserting are daily routines that require advanced tested equipment built by knowledgeable veterans of the industry. 2LBin offers American designed and built hot tap machines, line stop machines, pipeline repair and pipe maintenance tools, and supplies. Our tapping and line stop machin...