AZ-1–SF
Special fluid applications. Incorporates dual seals with bleed port to atmosphere. This modification prevents contamination of air motor by fluid being pumped.

AZ-1–B
For tank top installation. Inlet check valve is installed in bottom of hydraulic cylinder. For other applications check valves can be reversed.

AZ-1–CF
Air motor is isolated from hydraulic assembly to insure 100% contamination-free hydraulic fluid operation. Can pump fluids up to 204°C.

AZ-1–HD
Available on models AZ-1-19 through AZ-1-107 only. For pumping fluids that may be contaminated with dirt, rust or other abrasives. With bleed hole to atmosphere.