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...
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...
Seismic Safety Products manufactures and sales the Northridge earthquake actuated natural gas and propane shutoff valve that prevents fires and explosions caused by leaking gas after an earthquake
Why Should I Install an Earthquake Shut-Off Valve? In the event of a seismic earthquake of 5.1 or higher, your seismic valve will automatically close your gas line, even when you’re not home. A shut-off valve will save your home from fires and damages when resources are most strained ...
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...
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
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 ...
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 ...
Automatic shut-off valve This invention relates to automatic shut-off valves for use with equipment for dispensing liquids and whose function is to remain open when liquid is passing through it and to close when the liquid is exhausted so that air will not be al... AE Hutt - US 被引量:...
SHUT-OFF VALVE WITH A BLOCK- AND BLEED-DEVICE The invention relates to a shut-off valve having a housing (1), having a valve seat (V) arranged in the housing (1) and having a shut-off flap (2) which controls the valve seat (V), which shut-off flap is mounted in a rotatable, ...