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TM 10-3835-231-13
2-1. GENERAL. - continued
(7)
Butterfly Valve, 4 in. Used to control flow of fuel by positioning valve between full open and full close.
Shown open (allow flow) and closed (block flow).
Figure 2-7. 4 Inch Butterfly Valve
(8)
Gate Valve, 4 in. Used to control flow of fuel and isolate lines not in use. Turning handwheel
counterclockwise opens valve (allow flow) and turning handwheel clockwise closes valve (block flow).
Figure 2-8. 4 Inch Gate Valve
2-6
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