MULTIPURPOSE GAS METER CHANGE VALVE

A device to be used when it is desired periodically to change gas meters for inspection (as is required by most State laws) or gas pressure regulators without causing any interruption of the flow of gas to the customer. While the meter and regulator are being changed, a pair of the devices of the in...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser:	BALES J,US
Format:	Patent
Sprache:	eng
Schlagworte:	ACTUATING-FLOATS BLASTING COCKS DEVICES FOR VENTING OR AERATING ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HEATING LIGHTING MECHANICAL ENGINEERING TAPS THERMAL INSULATION IN GENERAL VALVES WEAPONS
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Beschreibung
Zusammenfassung:	A device to be used when it is desired periodically to change gas meters for inspection (as is required by most State laws) or gas pressure regulators without causing any interruption of the flow of gas to the customer. While the meter and regulator are being changed, a pair of the devices of the inveniton are connected, one into the semi high pressure line, and the other into the low pressure customer's house piping. The device may also be used by gas service companies etc. as a means for shutting off meters during vacancies of apartments or houses.