Seismic Gas Shut Off Valve Installers Prevent Gas Leaks Automatically BOOK NOW WHY CHOOSE US? No Hidden Fees:Standard ResidentialInstallation Costs Comprehensive Service Package:Includes valve, painting, bracing of meter and relighting of pilot lights Professionalism:Installed by Licensed Gas Pipe Tec...
Excess-Flow Valve: The earthquake shut-off valve will shut off your natural gas service when a significant leak or overpressure surge occurs at a pipe, or where an appliance is located beyond the location of the valve installation. Why Should I Install an Earthquake Shut-Off Valve? In the ...
In a seismic actuated shut-off valve, a valve seat is placed between, and in communication with an inlet and outlet. A circular track is located above the valve seat and a plurality of balls ride in the track. A specifically shaped obstruction on the track causes a ball to leave the tra...
Date Jan. 19, 1984.A shut-off valve which has a body (20) containing a seat 22 and a through passageway. A plug (32) is attached to a stem (36) which is spring loaded in a retracted position disposed above the valve in a housing 46. A severable link (70) is connected to the ...
A seismic event shut-off gas valve having a primary conduit arranged for orientation in a vertical position, and a secondary conduit intersecting the primary conduit at an intersection, with a plug member slidably secured in the secondary conduit in a first position and slidable to a second ...
Seismic gas shut-off valve with safety lock 专利名称：Seismic gas shut-off valve with safety lock 发明人：Ara K. Manoogian 申请号：US08/571356 申请日：19951213 公开号：US05620022A 公开日：19970415 专利内容由知识产权出版社提供 摘要：A seismic gas shut-off valve includes a lock to control ...
United States Patent US5620022 Note: If you have problems viewing the PDF, please make sure you have the latest version ofAdobe Acrobat. Back to full text
Shut-off and control valve A shut-off valve mechanism for a shut-off and control valve has a generally cylindrical housing with inner and outer annular shoulder against which a valve seat disk is placed to prevent distortion of the valve seat disk. The valve contr... H Korfgen,H Hirsch,...
Seismic gas shutoff valve A shock actuated safety valve which will shut off gas flow in a supply pipe in the event of a major earthquake. The valve housing has a lower chamber having an inlet and an outlet separated by a tapered valve seat. The upper chamber cont... AE Simpson 被引量...
A seismic gas shut-off valve includes a lock to control resetting after a seismic event. The valve includes internal first and second seats for a ball vale in which the first seat is elevated above the second seat and the second seat lies within the flow of gas from a supply line to a...