There was a 20 lb propane bottle I could not get to fill so I decided to cut the valve apart and do an autopsy.
The "new style" bottle connections have a valve in them that won't let gas out unless there is a fitting screwed in. This one was corroded enough that it would not move. Here is what he pieces look like.
The new style valves have an acme right hand external thread as compared to the POL left hand internal thread. This valve is not one of the OPD valves with a float deal to keep the tank from being filled past 80%.
Toyota bottle holder
Here is the other side of the QCC connector. Notice the round pin that is supposed to open the check valve. These have plastic knobs that are supposed to melt and release in a fire closing the valve. They come in different BTU ratings which is probably the size of the orifice.
3 HP lpg pump
There was a 20 lb propane bottle I could not get to fill so I decided to cut the valve apart and do an autopsy.
The "new style" bottle connections have a valve in them that won't let gas out unless there is a fitting screwed in. This one was corroded enough that it would not move. Here is what he pieces look like.
The new style valves have an acme right hand external thread as compared to the POL left hand internal thread. This valve is not one of the OPD valves with a float deal to keep the tank from being filled past 80%.
Toyota bottle holder
Here is the other side of the QCC connector. Notice the round pin that is supposed to open the check valve. These have plastic knobs that are supposed to melt and release in a fire closing the valve. They come in different BTU ratings which is probably the size of the orifice.
3 HP lpg pump
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