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The valve must always be installed vertically, usually at the top of a short vertical pipe. If the valve body is filled with water, the float moves upwards and closes the valve. If air collects in the valve body, the waterline lowers, as does the float, and the valve opens to release it. [ 4 ]
The standard specification includes twelve volt lighting, electrically operated dip and switch headlamps and combined stop and tail lamps, single wiper with provision for a second blade, chrome finish on all bright parts, petrol gauge, bumpers etc. There is a concealed spare wheel under a metal cover on the back panel and a fold-down luggage grid.
A calibrated pressure-relief valve is usually incorporated in the radiator's fill cap. This pressure varies between models, but typically ranges from 4 to 30 psi (30 to 200 kPa). [4] As the coolant system pressure increases with a rise in temperature, it will reach the point where the pressure relief valve allows excess pressure to escape.
A radiator is a device that transfers heat to a medium primarily through thermal radiation.In practice, the term radiator is often applied to any number of devices in which a fluid circulates through exposed pipes (often with fins or other means of increasing surface area), notwithstanding that such devices tend to transfer heat mainly by convection and might logically be called convectors.
Model years 1929 and 1930 Series 80L were essentially unchanged from the 1928 version as engineering efforts were focusing on the 1931 Series CG Straight Eight, while there were some engineering advancements, to include thermostatically controlled automatic adjusting exterior radiator shutters, vertical hood louvers and a four-speed manual ...
The air exits the system through the air-venting valves on the radiators and on the steam pipes themselves. The thermostatic valves close when they become hot; in the most common kind, the vapor pressure of a small amount of alcohol in the valve exerts the force to actuate the valve and prevent steam from leaving the radiator.