Water Backflow Prevention Device
Its sole job is to prevent drinking water from being contaminated due to backflow.
Water backflow prevention device. Piping material of the water meter and backflow prevention device arrangement is to be type k copper tubing to astm b88 or ductile iron special class 52 54 to awwa c151. This must include a straight length of 1200 mm 48 beyond the water meter. A backflow prevention device is used to protect potable water supplies from contamination or pollution due to backflow. Backflow preventers the risks to drinking water quality from backflow contamination incidents pose a constant threat whether they re nuisance non health hazards or serious public health events.
The backflow prevention device reduces the risk of potential contamination back into the water system. The backflow prevention device will help protect our water system now and in the future. Water pressure may fail or be reduced when a water main bursts pipes freeze or there is unexpectedly high demand on the water system. A backflow preventer is a device that s installed on your home s water pipes that allows water to flow in one direction but never in the opposite direction.
Reduced pressure in the pipe may allow contaminated water from the soil from storage or from. The use of prevention devices at key locations can help you prevent backflow and the contamination of the water supply. Plumbing codes mandate that potable water supplies be protected against backflow at all cross connections. Backflow of water presents a risk of contamination to the water supply and the distribution lines in an establishment.
In water distribution systems water is normally maintained at a significant pressure to enable water to flow from the tap shower or other fixture.