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The FS20x5 Fuel Selector is designed so that three tanks can be independtly selected. As standard the engraved is labeled as LEFT/MAIN/RIGHT/OFF although special engraving can be undertaken, see engraving page below.
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On the FS20x4 there are 3 ports. The lower port is an AN-6 Male fitting. This is the outlet and it is machined to the base of the valve. The inlet ports can be any of the 3/8" fittings that Andair supplies and are at the 9 O'clock and 12 O'clock positions when looking at the valve with the brass ball spindle pointing upwards (see image below). At the 3 O'clock position there is a blanking plate that covers up a PTFE gland that opposises the forces of the other PTFE glands.
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As all of the valves, there is a nice solid detent in each selected tank position and a clearly labled facia plate. To avoid incorrect fitting this plate can only be fitted on in one way with respect to the valve body.
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This valve has found to be popular in the RV's and other aircraft where two wing tanks are required to be switched frequently so that balance is maintained. As the action is very smooth, it easy and pleasurable to change the fuel over.
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