Nitrogen Regulator 
Model:NITRO5500 
Bossweld Nitro 5500 nitrogen regulator offers precise and accurate flow control and combine safety and rugged design. The twin easy to read gauges that come with gauge protectors. This heavy duty solid brass regulator comes in an instrument box designed for the tough HVAC environment and associated industries.
Heavy duty solid brass body
T Bar for gas control accuracy
Safety relief valve
Max inlet pressure 30,000 kPa
Max outlet pressure 5,500 kPa