Propane Tank Question
Is this true? ""Propane tanks have a safety valve that shuts if a gas line should break and allow full flow.""
Forum Discussion
Chris Bryant wrote:
The excess flow valve are sized so that just about nothing after the regulator will trip them. There are 3 capacities of ACME type, they are black, green and red. The black is low capacity, meant for grills. I believe their capacity is around 100,000 btu/hr. the green is standard RV, with a 200k but/ hr capacity, and the red is 400k/ hr.
They are meant as a last ditch, fail safe in case the line has been breached before the regulator. They usually will do nothing for a breach after the regulator.
The only reason people have problems with them is quickly opening the valve on an empty system allows a brief flow of over the capacity, they call it slugging.
Thank you.
