AIR DRIVEN N2 CHARGING SYSTEMS, HIGH FLOW, RATED TO 45,000-PSI (3103 BAR). EQUIPPED WITH STANDARD SHOP AIR CONTROLS, GAS INLET FILTER, LOW PRESSURE PILOT VALVE SET TO AUTOMATICALLY STOP & RESTART THE BOOSTER WHEN THE SUPPLY GAS PRESSURE DROPS BELOW SET POINT, HIGH PRESSURE PILOT VALVE SET TO AUTOMATICALLY STOP & RESTART THE BOOSTER WHEN THE DISCHARGE PRESSURE EXCEEDS SET POINT, PRESSURE RELIEF VALVE, OUTLET SHUTOFF VALVE, AND VENT VALVES. OPTIONAL CHART RECORDER, USB TRANSMITTER, AND STAINLESS-STEEL FRAME AND CONTROL PANEL.