A relief valve is provided for draining water from the main supply hose and a backflow preventor valve is provided for preventing back-siphonage into the water supply. A pressure actuated warning alert system is provided to indicated venting failure....
depending on your climate. Make sure to shut off the water supply to your home before doing any work. Once you have tied into the water supply, install a shut-off valve to make repairing or maintaining the sprinkler system easier. Install a backflow preventer at least 12 inches above...
Sprinkler system with relief and backflow prevente 优质文献 相似文献 参考文献 引证文献Exploring Real-time Control of Stormwater Systems for Sea Level Rise the model for three control scenarios: 1) a passive system, 2) a passive system with a tide gate (backflow preventer), and 3) a tide gat...
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J & J Fire Protection Company provides fire sprinker systems and inspection as well as fire protection systems and backflow preventer testing in Western PA including Pittsburgh, Butler and counties including Allegheny, Butler, and Erie.
A control system for directing the water supply to the individual hose outlets is provided including a timer. A relief valve is provided for draining water from the main supply hose and a backflow preventor valve is provided for preventing back-siphonage into the water supply.Noelke, Michael A...
Sprinkler system with relief and backflow preventer valve This above ground sprinkler system for a water supply provides a main supply hose having an inlet connected to the water supply and an outlet. A main valve is disposed between bib end of the hose and the water supply. A central station...