How Gas Regulators Work, Dissasembly of Two Stage Regulator

In this video, I take apart a two stage Fisher Scientific Oxygen regulator and explain a little about how it works.

[josephnielsen]

Great description, I needed to see this to understand the process of dropping 2200 psi oxygen to such low numbers for oxyacetylene welding.

[viisteist]

6:14 - do i have to use the vice grips if its really tight and is it always a regular right turn thread on those

[fredbroom]

Looks like that was used for nitrous oxide, it has an adapter, from oxygen tank fitting to a nitrous tank valve fitting.

[ghostridergr]

i use one oxygen regulator with nitrogen gas... it will be problem??? i read the problem is about the oil of guages .. i will never use it for oxygen!!