Norgren R91W-2AK-NEN Non-Relieving Water/Air Pressure Regulator 1/4 FPT Features:
The Norgren R91W-2AK-NEN non-relieving water/air pressure regulator features a compact corrosion resistant design. The R91W-2AK-NEN has a snap action pressure adjusting knob that locks the pressure setting when the knob is pushed in. This regulator is designed for use with deionized water and potable water systems.
Air supply must be dry enough to avoid ice formation at temperatures below 35°F (2°C)