Join Date: Feb 2007
Location: Spain + Germany
My Motorhome: Four Winds RV
Thanked 449 Times in 422 Posts
Perhaps you or Hans have an idea as to how such a safety system fitted to the pump supplying the LPG might work Jan.
I can't imagine one.
The delivery pump stops when it's delivery pressure is no longer sufficient to overcome the resistance in the container being filled. That resistance can be provided several ways. The tank is full and no more can be pumped in or an automatic cut off in the tank has shut the inlet so that no more can be forced in.
The pump may also have a volume monitoring function so that if the flow through the pump exceeds that which the pressure and pipe sizes allow it may shut off automatically.
I can't see how the pump could know whether you'd shut the gas valve/s off though.
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