pressure regulator![click to hear](/images/speaker.jpg)
Device placed at the outlet port of each cylinder; it lowers and stabilizes the gas pressure reaching the torch.
check valve ![click to hear](/images/speaker.jpg)
Part for preventing gas from returning to the cylinder after passing through the pressure regulator.
adjusting screw ![click to hear](/images/speaker.jpg)
Screw for controlling the gas pressure at the regulator outlet port, which corresponds to the gas pressure at the inlet of the torch.
working pressure gauge ![click to hear](/images/speaker.jpg)
Dial-operated device whose needle shows the gas pressure at the outlet port of the pressure regulator.
cylinder pressure gauge ![click to hear](/images/speaker.jpg)
Dial-operated device whose needle shows the gas pressure in the cylinder.