AFAIK, the Yong Heng breathes air at atmospheric pressure, compared to the ShoeBox Freedom 8 I have which uses a 125 psi input.... I will be using the regulator shown above on a 2400 psi Helium tank, to reduce the pressure to 125 psi to feed the ShoeBox.... That will allow me to use the Helium in the tank right down to 125 psi before having to get it refilled.... The ShoeBox will fill an SCBA tank to 4500 psi, and I will use that to fill or tether my guns.... I don't know how low you might have to reduce the Helium pressure to in order to feed your Yong Heng.... If the pressure is too high, it may overload it....Bob
This is probably a VERY stupid question, but I gotta ask it. Why would one elect to use Helium over regular air???
Note: The small party balloon tanks have 4% oxygen in them so children n idiots trying to imitate Donald Duck don't asphyxiate themselves so I would recommend not using them as will knock about 5% off performance
Lloyd is a LONG way from Bob.