This CO2 valve body has a custom high-strength screw that's stronger and maintains stable port alignment. It's also safer for bulk-fill and HPA conversions. It can handle the pressure of bulk CO2 or HPA up to 1000 PSI. Up to 1400 PSI can be used with a 1.8K burst disk on the HPA regulator. The screw hole in the tube will start to elongate around 2800 PSI if over-pressurized. This part is safe for HiPAC, powerlet eliminators and dummy CO2 up to 3000 PSI. These devices seal against the valve instead of pressurizing the tube so much higher pressure can be used. The screw is 8-32 thread, the valve is modified to fit it. The screw head fits all 22XX tubes.