The double check flow is a testable backflow device.Protect your system from contamination with this double check valve, flush out the valve without spreading contaminants throughout your pipeline.They are a mandatory requirement and should be fitted on all irrigation systems that are connected to the mains on a public site. eg. schools, football f..
Designed for installation on pressure water systems, it protects against both back-siphonage and back-pressure of contaminated water into the water supply.Use of the RPZ valve shall provide protection where a health hazard exists. They are a mandatory requirement and should be fitted on all irrigation systems that are connected to the mains with a ..
