RV281-3/4 - DN20 Internal threaded connection set, 3/4 in
SKU: RV281-3/4A
RV281-3/4 - DN20 Internal threaded connection set, 3/4 in
SKU: RV281-3/4A
Check valves of this type are for use as an independent means of preventing reverse water flow and for installing directly after a water meter on central water supply systems. They can also be used for industrial, commercial and similar systems where back pressure, back flow and back syphonage must be prevented. The classicfications of appliances to meet these requirements are specified in EN 1717.
