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PROPANE FUEL SYSTEM________________________________
The fuel system in your recreational vehicle has numerous
components such as, piping, copper tubing, brass connectors, hoses,
regulators and appliances. Each of these components will be
explained in its appropriate area.
Propane is the only fuel permitted to be used in a recreational vehicle
and its appliances. This product is refined from crude oil through
natural gasses. An agent has been added for detection should a leak
occur or a valve accidentally be left open. It is important for a
recreational vehicle owner to recognize and identify the smell of
propane vapor.
Other fuels are available but CANNOT be used in a RV..
1. No orifices for appliances are available for either butane or
natural gas fuels
2.. Butane also CANNOT be used below freezing temperature
because boiling point is 30 degrees F.
Propane fuel is stored in liquid form under high pressure in special
containers. Boiling point is ( minus) - 44°F, the temperature when
vapor ceases to flow. Fuel will change to vapor when released from
the container. Appliances are not designed to operate with liquid.
Liquid will damage o-rings in valves and also leave sticky, oily
residue causing poor or no operation in the regulator.
For every 10 degree increase in temperature, the pressure in
container rise’s 1.5%. Example—fill at 0 degrees in north, go South
to 80 degrees warmer, you now have container filled at 92%, a
potential problem with vapor spewing out of 10% valve.
Propane Container
The propane cylinder is a D.O.T. approved container to hold liquid
under high pressure, normally a 20 or 30 pound capacity.
The open/closing valve, referred to as an OPD cylinder valve, is to be
closed at all times unless hooked up to a propane system or when
filling the container.
Valve assembly actually has 3 valves in one body.
1. Main pass thru portion to fill container and draw propane out is
controlled by upper 3-sided knob on top.
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