When gas pressure in the sprinkler system drops below a pre-determined set point, pressure equilibrium on the first diaphragm is upset causing the first diaphragm to move and allow a priming flow of liquid to the liquid outlet through a liquid by-pass, which is otherwise sealed when the ...
3) sprinkler irrigation with pump 机压喷灌 4) low-pressure filler 低压灌装机 5) constant pressure irrigation 恒压喷灌 1. Based on actual engineering projects, the paper analyzes the present situation in controlling system of theconstant pressure irrigationsystem. ...
As more states and jurisdictions adopt building codes requiring the installation of fire sprinkler systems in new homes, contractors may find it a challenge to keep costs down when the water supply has low pressure or restrictive underground. Traditional sprinkler system design techniques may require ...
Low pressure actuator for dry sprinkler systemUS20010025711 * 2001年3月16日 2001年10月4日 Reilly William Joseph Low pressure actuator for dry sprinkler system
In 2003, Peter became managing director of the UK's largest water mist provider which was one of the first companies to progress the technology of low pressure water mist fixed systems. Adrian Tolson Projects Director In 2012 Adrian joined Premier Mist as Projects Director where he has been res...
Product name:adjustable 3 arm sprinkler w/base;Color:Green,yellow;Material:ABS,PP;Packing:50pcs/ctn;Function:Garden Usage;MOQ:3000PCS;Type:Sprinklers;Sprinkler Type:360 Gear Drive;Place of Origin:CN;SHG;Brand Name:Worth;|Alibaba.com
Deluge System Closed Fire Sprinkler System Dry Fire Sprinkler System Dry Alarm Valve Type Enclosed Type Nozzle Flow Coefficient 16/21/27/34/42/53/68 L/Min Norminal Diameter 15mm/20mm/25mm Material Brass/Stainless Steel Surface Finish Chrome/Natural Brass Working Pressure 0....
Effects oflow pressure multi hole sprinkler irrigationon crop water requirement, farmland microclimate conditions and water use efficiency in wheat cotton intercropping system are investigated. 通过在中国农科院商丘试区实施低压管喷,结合麦棉套种作物需水特点、农田小气候相互关系进行了农业高效用水研究与实践 ...
A low pressure, early suppression fast response sprinkler includes a generally tubular body having an inlet end, an opposing discharge end and an internal passageway extending between the inlet and di
Aiming at the technology difficulty in the design of large-scale pipe network of low-pressure pipe irrigation in the south area, the optimized linear model of tree pipe network of low-pressure pipe irrigation is set up while the annual cost of the system of low-pressure pipe irrigation is mi...