... flowmeter with valve 2.liquid flowmeter,acrylic 3.flowmeter,tester 4.flow meter 5.design&utility patent certificate Liquid flowmeter with ... requirement by customers3. fixed screw of the center distance of the F (M6*11)4.Valve is optionalFeatures1.easy mounting ,low ... of "showing respect to you & trying my best3.Abide by the professional spirit of"honesty, innovation, enthusiasm, sureness"Sale point ...