Gear pumps transfer highly viscous and harsh liquids such as oils, chemicals, and solvents. They produce constant, smooth flow rates at high pressures. Lubricant pumps move large amounts of oil and grease from a drum, storage container, or reservoir. Also called grease pumps, they allow the. Webcirculating pumps, flanges, unions & controls. Circulating pumps move water through pipe systems to deliver hot water to faucets and shower heads, or to. Weblook to grainger for the centrifugal pumps you need for water circulation and filtration, oil extraction, sewage chemical processing, &…