ZURN 350DA ද්විත්ව පිරික්සුම් අනාවරක උපදෙස් අත්පොත
ZURN 350DA Double Check Detector Product Information The Model 350DA is a Double Check Detector Assembly designed for installation on water lines in fire protection systems. It provides protection against both backsiphonage and backpressure of polluted water into the potable…