RV281 Check Valve Type EA with Union Connections

The RV281 check valve can be used 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, backflow and back siphonage must be prevented. For use with water, compressed air and light fuel oils.



  • Brass body with NBR lip seal and stainless steel spring
  • Low pressure loss
  • Reliable and proven



  • 1/2"- 2" BSP connections