The AR40-SP/A3/4 diaphragm pump is widely used in the commercial, industrial and agricultural sprayer industries. With a flow rate up to 12.2 gpm and max pressure of 580 psi it is optimal for small or medium-sized sprayers, assisting in the targeted distribution of your liquid product onto desired surfaces for consistent, even coverage every time. This model is equipped with a flange on one end to attach gearbox or shaft kit and a 3/4" keyed shaft on the other.