Description High quality, UK made gas regulators designed for most high-pressure nitrogen gas applications; purging, pipeline pressurization, component pressure testing etc. Available in 800 Psi or 2500 Psi output pressures with a standard 3/8" BSP outlet connection, the 800 Psi model can also be supplied with a 1/4" SAE Flare outlet specifically for testing Refrigeration/Air [...]