DO fit a compliant double check valve to garden taps. The british standard (BS EN 806-5) states check valves should be replaced every ten years.

The CAT-3 DM1 Series E and CAT-4 DM2 Series E size two double valves have received third-party certification from the BG (Berufsgenossenschaften– German Institute for Occupational Safety and Health).

The double check valve assembly is one step up from a dual check valve assembly. The latter is anywhere from $150 to $570 cheaper than the double check valve, depending on who you talk to and ...

Cat Solenoid Valves on Longwall Roof Support The Cat ® Reman product line now includes double solenoid valves for underground mining applications. These valves are remanufactured to the same high ...