Lincoln (502) 918 Lincoln Industrial 918 Series 20 High-Pressure Grease Pump for Shop and Garage, 50:1 Ratio, For 120 Lb Drums

Lightweight, corrosion resistant zinc head casting design incorporates uniform wall thickness and an integral patented muffler keeps noise level below OSHA standards without compromising performance. 150 psi pre-lubricated air motor requires no external oiler. Pneumatically assisted mechanical air valve assures positive tripping. Springless air motor construction prevents premature pump failure due to spring fatigue. Precision-machined, hardened steel slide valve for longer life - no packings to wear out.