Metrex Valve is a manufacturer of completely self-contained, self-powered and self-regulating valve solutions. We specialize in the production of pressure actuator valves, thermostatic actuator valves, HVAC water regulator valves, electric actuator valves, and seawater condenser regulator valves. We produce HVAC valves for both R410a as well as R22 and are rated for high working pressures.