This NGP-8055-AR model, double piston, double acting pump from John Blue Company allows the application of two products from a single unit with one drive system. With an independently adjustable stroke, it delivers a 5:1 max ratio between pumping heads and has a max speed of 450 RPM. Viton Piston Packings, Buna o-rings, and rod packing come standard with this pump.

Ideal uses include having starter fertilizer on one side and nitrogen on the other side. The maximum flow GPM is 42 total, 21 per side, with a maximum pressure of 120 PSI. It is designed with a 1 1/2" FPT inlet and outlet.