REXUS is the manufacturer and distributor of the innovative AirFlo range of Variable Orifice air valves. This design is currently technically the most advanced of all current air valve designs. AirFlo air valves provide automatic surge protection, large volume air release, pressurised air release and large volume air intake. AirFlo is manufactured in sizes DN25 to DN300 and for pressure ratings PN10, PN16, PN25, PN40 and PN64.
AirFlo Variable Orifice Air Valves are available for either Water or Sewer applications.