fluid transfer pump 1. for chemical liquid, oil,corrosive liquid, heavy visocosity liquid, PU liquid, paint, 2. 2:1, 3:1, 15:1 fluid transfer pumppneumatic transfer pump, for chemical liquid, oil, corrosive liquid, heavy visocosity liquid, PU liquid,paintin paint, oil, PU spraying etc, widely used in paint, oil, PU spraying, thermal insulating layer making etc* ratio: 2: 1* capacity: 2.5gpm, or 9 ...