Do double check valves prevent back siphonage?
The double check valve assembly is suitable for prevention of back pressure and back siphonage, but is not suitable for high hazard applications. It is commonly used on lawn irrigation, fire sprinkler and combi-boiler systems.
What does a double check valve protect?
Double check valves protect the water supply from the risk of backflow and back siphonage in domestic homes and commercial buildings, ultimately preventing potential contaminants getting into other parts of the system, especially drinking water.
When should you use a double check valve?
A double check valve is used for fluid category 3 protection, where there is a risk of substances of low toxicity such as common disinfectants.
Can you use a check valve as a backflow preventer?
A check valve provides a basic form of backflow prevention, preventing water from flowing in the wrong direction. National Fire Protection Association (NFPA) model codes and standards require them in various places on fire protection systems, and check valves are essential components of backflow preventers.
What are the FEBCO Series 850 double check valve assembly backflow preventers?
The FEBCO Series 850 Double Check Valve Assembly Backflow Preventers are designed for non-health hazard applications.
Can a double check assembly be used for backflow prevention?
Double check assemblies are not approved for backflow prevention of any toxic substance (liquid; solid; or gas). A double check assembly consists of two spring-loaded check valves; shut-off valves on the inlet and discharge side of the check valves and small test cocks.
Where can I buy FEBCO training?
FEBCO training is now available from Watts Works. The most versatile line of backflow prevention assemblies on the market. Featuring an 80% shorter lay length, the lowest head loss, and cost saving benefits. The approved bonnet and poppet as manufactured by FEBCO may be visually identified by the light gold transparent color of the parts.
What is a double check valve assembly?
A double check assembly consists of two spring-loaded check valves; shut-off valves on the inlet and discharge side of the check valves and small test cocks. Check valves allow water to flow in one direction only.