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Gear Pumps

5 Verified Suppliers

MacMillin Hydraulic Engineering Corporation Skokie, IL Hydraulic power units, pump mounts, circuit blocks, manifolds & components, including repair & hose assemblies About PhoneEmail Website

Additive Systems, Inc. Broken Arrow, OK

Dynaflow Engineering Middlesex, NJ

Parker Hannifin Corp., Gear Pump Div. Kings Mountain, NC

Ranger, Inc. Eads, TN

Gear pumps are a type of positive displacement pump that use the meshing of gears to pump fluid by displacement. They are widely used in various industries due to their ability to handle a wide range of viscosities and their relatively simple design. The primary components of a gear pump include two or more gears, a casing, and an inlet and outlet port. The gears rotate in opposite directions, creating a vacuum at the inlet which draws fluid into the pump. As the gears continue to rotate, they trap the fluid between the teeth of the gears and the casing, moving it towards the outlet where it is discharged. Gear pumps can be classified into two main types: external gear pumps and internal gear pumps. External gear pumps use two identical gears, while internal gear pumps consist of one larger gear and a smaller gear that rotates inside it. The materials used in gear pumps vary depending on the application and the type of fluid being pumped. Common materials include cast iron, stainless steel, and various alloys, which provide durability and resistance to corrosion and wear. Gear pumps are suitable for pumping a variety of fluids, including oils, chemicals, and other viscous liquids. They are commonly used in industries such as chemical processing, oil and gas, food and beverage, and pharmaceuticals. In chemical processing, gear pumps handle aggressive chemicals and maintain precise flow rates. In the oil and gas industry, they transfer crude oil and other petroleum products. The food and beverage industry uses gear pumps for handling syrups, chocolate, and other viscous food products. In pharmaceuticals, they ensure accurate dosing and transfer of liquid medications. Gear pumps offer advantages such as consistent flow rates, high pressure capabilities, and ease of maintenance, making them a reliable choice for many industrial applications.