Designed for use in single-line lubrication systems

All models are air-driven. These positive displacement pumps provide maximum volume with a single stroke. The pumps are designed for pumping liquid oil in single-line lubrication systems. The acrylic reservoir features a filtered filling cap. The pump is operated by air for its forward motion and by a spring for its reverse motion. However, lubricant output is only available during forward motion, and the pressure in the line is released through the discharge valve during the reverse motion.

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