Graco LD Series pumps are affordable, full featured pumps designed for lubricant transfer applications. The LD 5:1 air-powered oil pump is good for high pressure, medium flow applications for cold temperature or long run applications. It is suitable for dispensing petroleum and synthetic-based oils. This pump has a free flow rate of 6.7 gpm with a maximum fluid working pressure of 750 psi and includes a bung adapter for quick installation.