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...
Seismic event shut-off gas valveMichael J Crain
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...
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 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 ...
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
The analysis must meet certain tenets of engineering excellence: It must be correct, complete, clear, concise, consistent in format, compliant to the licensing basis of the plant, and cost effective, the 7 c's. Are SC-II/I SSCs treated differently than SC-I SSCs? Yes. The approach to ...
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A check valve is built into the fictitious pipe, allowing water to flow only from the leaking pipe to the reservoir but not the reverse. The roughness and minor loss coefficients of the fictitious pipe are taken as infinite and 1, respectively. The diameter of the fictitious pipe is ...