Combination shut off valve and excessive flow valve
作者： Myrl J. Saarem , Kenneth M. Saarem
DOI:
关键词:
摘要: A combination valve that provides both positive shut off and excessive flow off. rotary is provided. In its first position an integral allows normal shuts if high occurs. a second the independent of valve. third provided for purging repaired or new system resetting
lens.org 参考文章(19)
Larry F. Odar, Vapor flow control valve ,(1978)
Kenneth E. Rakieski, Device for restricting excess flow ,(1995)
Thomas E. Hagan, John B. McGowan, Gas supply safety device ,(1989)
Sands Asa Dewitt, Safety cut-off valve requiring reset by pressure equalization ,(1960)
Mark Serafin, High pressure abrasive slurry check valve ,(1995)
Douglas A. Kieper, George H. Hunt, Stuart E. Hayden, Flood protection sewer backflow control valve and adapter assembly ,(1995)
James W. Mears, James M. Martin, Domestic water supply shutoff valve ,(1992)
James C. McGill, Antonio F. Fernandez, Automatic and manually operable safety shutoff valve ,(1995)
Gregory S. Kalata, Robert V. Perusek, Ulrich H. Koch, Excess flow valve ,(1995)
Rong-Chao Chuang, Regulator means for automatically shutting the gas pipeline passage off during pressure reducing failure ,(1987)