Cut-off valve for water supply systemsKELLEY ROBERT S.US1849491 * 1929年10月30日 1932年3月15日 Nat Meter Company Cut-off valve for water supply systemsUS1849491 * Oct 30, 1929 Mar 15, 1932 Nat Meter Company Cut-off valve for water supply systems...
Water Service Hit by Deluge; Residents Complain of Short Notice for Cut-Off WORK on a broken water valve caused major disruption yesterday as water was switched off for 10 hours in Mid-Ulster. E Flynn 被引量: 0发表: 0年 Gravity-flow equipment for dispersing insecticides from aircraft The ...
Cut-off and mixing valve for a hot water heating unit, designed as a five-way valve and equipped with a valve chamber communicating with four inlet openings, a fluid output, providing in the center of the valve chamber a hub equipped with a transverse passage forming a fifth path and coupl...
in a check valve having a back plate provided on the back side of a water cut-off sheet, a surface plate provided on the surface side, and a valve membrane body provided inside, by providing a water passage on the surface side on the lower part of the check valve to form it opened ...
CUT-OFF VALVE FOR PIPE-LINES. JOSEPH FRANCIS HAGAN - US 被引量: 3发表: 1918年 Cut-off device for vacuum pipe lines JJ Frank 被引量: 3发表: 1924年 Automatic Shut-off Device 2010/0193048 of Chang describes an overflow shutoff valve that is designed to automatically cut off water flow ...
专利名称:AUTOMATIC WATER CUT-OFF VALVE FOR LOW PRESSURE 发明人:SHIN, Hong Kun,신홍건 申请号:KR2011/004 712 申请日:20110628 公开号:WO2012/011679A1 公开日:20120126 专利附图: 摘要:The present invention relates to an automatic water shut-off valve for low pressure which can open up and...
SUBSTANCE: body of cut-off valve has three adjacent chambers: first chamber is communicated with pressure pipe line through inlet and outlet holes; inlet cavity of this chamber is provided with pressure differential control unit. Mounted at area of conjugation of outlet cavity and outlet hole is ...
FIELD: valves used for restoring and operational check of wells. SUBSTANCE: cut-off valve includes body with axial duct and locking member arranged in body. Locking member is in the form of hollow differential piston with collet chuck in its lower portion. Valve is provided with guiding cylinder...
Automatic water cut-off valve for low pressure 本发明涉及一种用于低压的自动水关断阀,该阀能在低压下自动打开和关闭流体. The present invention relates to a low-pressure automatic water shut-off valve, the... 辛洪建 被引量: 0发表: 2014年 Automatic Cut-Off Valve for Ion Exchange Columns A ...
CUT OFF VALVE 优质文献 相似文献Magnetically activated cut-off valve assembly A cut-off valve assembly for use with a toilet tank, includes a float within the toilet tank, a water retaining float guide within the toilet tank which allows the vertical travel of the float, the water retaining fl...