brokenbiker
Member
- Messages
- 10,437
- Location
- Llanbobyll, south wales
If there were safety issuse with a fully open valve, they would not supply it like that. Even with a big warning sign the size of the bottle the supplier would still be liable. Once the valve lifts off its seat, the unwound regulator is exposed to full pressure.
Full flow is achieved through a valve when its seat has lifted 1/4 of its diameter. By cracking the valve if the regulator is fully open the pressure drop is accross the bottle valve, cooling due to jule thompson effect will be obsereved. But by only cracking the valve you run the risk of damaging the valve seat, and possibly end up loosing your precious argon trickling into your workshop.
The regulator is designed to control the pressure drop from the bottle to the user, not the bottle valve.
so open it fully?
Argon or Argo-shield? ive not bought either for a while, but it sounds like I might be paying over the odds!!!
My main concern with 200 bar is self preservation!
I must have wasted countless seconds over the years cracking vales slowly and opening them fully! cheers for the info! funny what you read and accept as gospel but never challenge...
argoshield light, although i was told in the shop today argon isnt much more expensive on the same deal