Airgas Model N145DHF350 Brass Specialty High Purity High Flow Pressure Regulator With 1/2" FNPT Connection Switchover This series is ideally suited

This series is ideally suited for gas phase pressure regulation in liquid cylinder applications

The proven

These regulators also have a proprietary Supelcoat™ coating that prevent interaction of corrosive and volatile compounds in high purity gas mixtures used in EPA analysis

A needle valve is included on the outlet

Airgas Model N145DHF350 Brass Specialty High Purity High Flow Pressure Regulator With 1/2" FNPT Connection Switchover This series is ideally suitedThis series of regulators is used for applications requiring high gas flow rates and a compact design. These regulators can handle flows up to 250 liters per minute of nitrogen with only a 5 psig pressure drop. In addition, these units will handle hydrogen flow up to 1,000 liters per minute without the resonance problems associated with other regulators in this same application.