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Home / Engine Parts / Fuel Valves / Andair /Andair Fs25 X 4 Fuel Valve
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Andair Fs25 X 4 Fuel Valve

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Part# 05-00128
MFR Model# FS25X4-M

Overview

The FS25x4 Fuel Selector is designed for high wing aircraft where it is possible to feed from both tanks simultaneously. Porting for the both position is done internally so there is no need to T the two tanks together. There is a 90 degree action between each tank selection, and the safety feature where the red button on the lever has to be raised to switch off the fuel.

On the FS25x4 there are 3 ports. The lower port is the outlet to the engine and can be Male AN-8, Female 3/8 NPT or a Banjo fitting which is a 360degree adjustable fitting with a Male AN-8 end. Click here for more information on the fitting options.

The inlet, side ports can be any of the 1/2" 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 to left). At the 3 O'clock position there is a blanking plate that covers up a PTFE gland that opposises the forces of the other 2 PTFE glands. This cannot be removed.

One of the great features of this unit is that when the selector is in the OFF position, there is no cross feed between each tank. So if you have your aeroplane parked on a slope, or if one tank is fuller than the other, no cross feed will occur.

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Please note, Aircraft Spruce Canada's personnel are not certified aircraft mechanics and can only provide general support and ideas, which should not be relied upon or implemented in lieu of consulting an A&P or other qualified technician. Aircraft Spruce Canada assumes no responsibility or liability for any issue or problem which may arise from any repair, modification or other work done from this knowledge base. Any product eligibility information provided here is based on general application guides and we recommend always referring to your specific aircraft parts manual, the parts manufacturer or consulting with a qualified mechanic.

Q: Are any of the AN-8 fittings included with this valve, or must they be ordered separately?

No, this does not come with fittings. The other fittings are sold separately.