Radius offers Namur solenoid valves is combination 3 way and 4 way, 3/2 - 5/2 that directly mount to all NAMUR interface actuators. Features include manual override and safety position by mechanical spring. They are available in standard, explosion proof, or Atex. The Radius Series NM operates at 20-120 PSI, -20 to 140 degrees F (optional to -40 F). The brass directional plate converts the valve to either a five ported four-way or a three ported three-way valve.