Regulated Output High Pressure Tank Charging Valve Thread Air Refill Adapter. An updated version from our charging valve, make it with regulated output. Constant air valve/air fill station with black color. M18x1.5 male Inlet thread. 50cm high pressure charging hose. Comes with safety burst valve. Fit for high pressure cylinder pcp paintball Tanks with M181.5 thread. Thread of the hose and the one way valve is M10x1. Package contains valve and Allen key. Suitable for M181.5 PCP Tank, with 6K burst disk, the working pressure is 0-4500psi/300bar. Refill the tank through the one way foster when turn off the switch. Use it with bigger tanks to fill your air reservoir via the output hose, turn off the switch and release the air after filling. Gauge 2 shows the pressure inside the hose when filling. Gauge 1 always shows the pressure inside the tank. How to adjust the output. Turn the adjustment knob counterclockwise to the end with Allen key, means non-regulated, the output is the same as the tank’s pressure. Turn the adjustment knob all the way clockwise with Allen key, means regulated to minimum output, the output is around 150bar.