Gear Pumps Suppliers, UAE
Gear pumps in the UAE are rotary positive displacement pumps that move oils, fuel oil, resins and other viscous liquids at steady flow. This page helps UAE buyers compare internal and external gear types, give the supplier the right viscosity data, protect the pump and check API 676, with links to UAE suppliers.
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What are gear pumps and which types are used in the UAE?
A gear pump moves liquid by carrying it in the spaces between meshing gear teeth and squeezing it out at the discharge, so it delivers a steady flow of oils, resins and other viscous liquids. It is one of five designs on the positive displacement pumps page for the UAE. Beside diaphragm and peristaltic designs, the gear pump is the one built for clean, lubricating liquids that get thicker, not thinner, as they cool.
| Type | How it works | Typical UAE duty |
|---|---|---|
| External gear pump | Two gears of equal size mesh side by side | Lube oil, hydraulic and fuel transfer, higher pressures and speeds |
| Internal gear pump | A rotor gear turns inside a larger internal gear with a crescent between them | Heavy fuel oil, bitumen, resins, paints, thick liquids at lower speed |
| Lobe and screw variants | Related rotary designs with lobes or screws instead of gears | Food, sludge and heavier oil duties; ask the supplier which suits |
Do not confuse these process gear pumps with gear pumps that power machinery: those are sold as hydraulic pumps. Gear pumps also appear inside oil skids and lubrication systems.
How does viscosity affect a gear pump?
Viscosity sets the speed, power and slip of a gear pump: thick liquids need slower speed and more power, and thin liquids leak back across the gear clearances, so delivered flow drops. A gear pump is not a good fit for water-thin liquids that do not lubricate.
- Give the viscosity range. State the minimum and maximum viscosity at the lowest and highest temperatures the pump will see. UAE summer ambient raises oil temperature and lowers viscosity, while a cold start on thick oil needs a lot of torque.
- Select speed accordingly. Slow the pump down for thick liquids so the gears can fill; running too fast starves the suction and cavitates.
- Heat the line if needed. Bitumen and heavy fuel need jacketed casings or heat tracing to keep the liquid pumpable.
Maker ranges are very wide: one large external gear series is rated by its maker from 0.1 to 1,000,000 cSt, from minus 84 to plus 232 degrees Celsius, with flows to 45 cubic metres per hour and pressures to 170 bar. Those are catalogue envelopes for the whole series; the figures for a single model and material combination are narrower, so confirm them on the data sheet.
What protects a gear pump from damage in UAE service?
A gear pump needs a relief valve on the discharge, clean liquid and protection from running dry. The pump keeps pushing against a closed valve, and the gears and bearings depend on the pumped liquid for lubrication.
- Relief valve. Many gear pumps offer an integral relief valve; check whether it is for protection only or for continuous bypass. Pipe the outlet back to the supply tank. See safety relief valves for the external option.
- Strainer. Fit a suction strainer, because grit scores the gears and casing. Gear pumps are not made for abrasive slurries; use a progressive cavity pump or peristaltic pump there.
- Seals. Choose mechanical seals, packing or magnetic drive for the liquid and the leak tolerance. Dust and heat age elastomer seals quickly outdoors.
- Dry run. Add a low-level switch on the supply tank.
For tank-to-tank movement of thin liquids, a diaphragm pump is often simpler. Pressure injection at higher heads suits piston pumps.
Which standards and approvals apply to gear pumps in the UAE?
Oil and gas buyers in the UAE specify rotary gear pumps against API 676, while industrial buyers mostly accept the maker standard and test certificate. Certification touches the electric motor and instruments rather than the pump. This was checked as of 2026; confirm the edition named in your ADNOC or EPC specification.
| Requirement | Applies to | Authority |
|---|---|---|
| API 676 | Rotary positive displacement pumps such as gear, screw and lobe types for process service | API, through the project specification |
| ECAS-Ex | Motors and instruments for explosive atmospheres on gear pump skids | MoIAT |
| Energy efficiency labelling | The MoIAT regulated product sheet names rotodynamic pumps; gear pumps are not named | MoIAT |
| Material and test certificates | Casing, gears and shafts for fuel and process duty | Buyer specification, inspection body |
| ADNOC Supplier Hub prequalification | Distributors supplying ADNOC group companies | ADNOC |
Read our guide to ECAS and EQM in the UAE if the skid includes certified electrical parts.
Who supplies gear pumps in the UAE?
Gear pumps reach UAE buyers through pump distributors, hydraulic specialists and oil system packagers in Dubai, Sharjah and Abu Dhabi. ListGCC brand pages include Bosch Rexroth and Parker Hannifin, which make hydraulic gear pumps for machinery. Process transfer gear pumps for fuel oil, resins and bitumen are carried by specialist rotary pump distributors listed in the supplier directory.
- Manufacturer or packager. For API 676 pumps and engineered skids.
- Authorised distributor. For standard industrial gear pumps and spares.
- Stockist. For gear sets, bushings, seals and relief valve springs.
What drives the price and lead time of gear pumps in the UAE?
Price follows size, materials, seal type, jacketing and standard compliance; we do not publish prices. Cast iron catalogue pumps are usually stocked locally; stainless, magnetic drive, jacketed and API 676 pumps are made to order. Spares such as gear sets, seals and bearings should be quoted with the pump.
Include the viscosity table, temperature, pressure and drive in your enquiry. Post your requirement to compare quotes, after reading our sourcing guide.