... fuel unit,containing our bulk positive displacement flow-meter&pump,hose reels,air separatous,extra ... by-pass for double flow-rates,mechanical and electronic read out,prlsers, ... vehicles,light aircraft,with advantage of high flow rate,long service life,convenience,etc.Configuration ... 80-1 meter 2"pumpYB-40 vane pumpYB-50 vane pumpYB-80 vane pumpExproof Motor3Kw,50Hz,380V( 220V ...