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Gear Pumps Suppliers, UAE

Gear pumps are positive-displacement pumps that use meshing gears to transfer fluid, delivering smooth consistent flow ideal for viscous liquids such as oils, resins, adhesives, and fuel. External and internal gear configurations accommodate different viscosity ranges and pressure requirements. In the GCC, gear pumps are widely used in lubricant blending, petrochemical facilities, hydraulic power units, and fuel dispensing systems.

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Gear pumps operate by trapping fluid between meshing gear teeth and the pump casing, delivering precise pulsation-free flow proportional to speed. External gear pumps use two intermeshing spur or helical gears for medium-to-high pressure applications. Internal gear pumps feature inner and outer gear sets and handle higher-viscosity fluids. Construction materials include cast iron, carbon steel, stainless steel, and hardened alloys.

In the UAE and Saudi Arabia, gear pumps serve lubricant blending and filling, hydraulic power units, fuel oil transfer, chemical metering, and polymer processing. Buyers should specify flow rate, differential pressure, viscosity range, and temperature compatibility. Magnetic drive gear pumps provide leak-free handling of hazardous chemicals in GCC process plants where fugitive emissions must be eliminated.

Key procurement considerations include gear material and surface hardness, seal type (lip seal, mechanical seal, or mag-drive), relief valve integration, and motor sizing for the operating viscosity. Regional distributors stock standard ranges and supply replacement gear sets, seals, and bearing bushings for fast maintenance turnaround at GCC industrial facilities.

Frequently Asked Questions — Gear Pumps

What viscosity range can gear pumps handle?
External gear pumps handle fluids from 1 cSt to around 250,000 cSt, while internal gear pumps manage even higher viscosities. For very low viscosity fluids, gear pump slip increases and centrifugal pumps may be more efficient. Consult the manufacturer's correction charts for sizing.
How do I choose between external and internal gear pumps?
External gear pumps suit higher pressures up to 250 bar and moderate viscosities. Internal gear pumps offer superior suction and handle high-viscosity fluids more efficiently at lower pressures. For GCC lubricant and oil transfer, internal gear pumps are often preferred.
Are gear pumps suitable for food-grade applications?
Yes, stainless steel gear pumps with FDA-compliant seals and food-grade lubrication are used in GCC food and beverage plants. They must meet hygiene standards and support clean-in-place procedures. Verify appropriate food safety certifications from the supplier.