GESPASA EA-90 12V / 24V Lubricant Gear Pump – 20–25 L/min
Description
The GESPASA EA-90 Lubricant Gear Pump is a continuous-duty DC oil transfer pump available in 12V or 24V. Designed for transferring compatible lubricating oils, it delivers a stated free flow of approximately 20–25 L/min with SAE 20/50W oil at 25°C.
With a continuous-duty 0.37kW motor, internal bypass valve and battery clamps included, the EA-90 is well suited to bulk lubricant transfer in workshops, service vehicles, farms and industrial applications.
GESPASA EA-90 Continuous-Duty Lubricant Gear Pump
The GESPASA EA-90 provides a practical solution for transferring compatible oils where low-voltage 12V or 24V DC power and continuous-duty operation are required.
The close-coupled gear pump and motor assembly provides a compact installation without the need for separate shaft or coupling alignment.
EA-90 Oil Pump Features
- 12V and 24V DC options
- Continuous-duty electric motor
- 20–25 L/min stated free flow with SAE 20/50W oil at 25°C
- Maximum recommended oil viscosity of 120 cSt for continuous-duty operation
- 0.37kW motor
- 1500RPM
- IP55 rated
- 1/2" BSP female inlet and outlet
- Approx. 2.7m suction lift
- Stated discharge up to 40m
- Internal recirculation bypass valve
- 2m power cable and battery clamps included
- Protective surface treatment
- European manufactured GESPASA pump
- 12 month warranty
20–25 L/min Oil Transfer
The EA-90 has a stated free-flow transfer capacity of approximately 20–25 L/min when pumping SAE 20/50W lubricant at 25°C.
Actual flow will vary with oil viscosity and temperature as well as suction height, discharge head, hose diameter and length, fittings and other system restrictions.
Cold oil becomes more viscous and may significantly reduce flow while increasing the electrical load on the pump motor.
Continuous-Duty DC Motor
The EA-90 uses a 0.37kW, 1500RPM continuous-duty DC motor, making it suitable for applications requiring longer transfer periods than an intermittent-duty pump.
Continuous-duty operation is subject to the pump being used within its stated viscosity, electrical and operating limits.
12V & 24V Options
Select the version that matches the available DC electrical system:
- 12V DC: stated current consumption approximately 35–55A
- 24V DC: stated current consumption approximately 20–32A
The pump includes approximately 2m of power cable with battery clamps.
Ensure the power source, wiring and connections are capable of supplying the required current without excessive voltage drop.
Oil Viscosity
The maximum recommended oil viscosity for continuous-duty operation is 120 cSt.
Shorter-duration operation with higher-viscosity oils may be possible, but motor temperature must be monitored carefully.
The motor is not equipped with thermal overload protection. Do not rely on an automatic thermal cut-out to protect the motor from overheating.
Internal Bypass Valve
The pump incorporates an internal recirculation bypass valve, stated to open at approximately 5–6 bar. This provides protection against brief pressure increases or accidental outlet closure.
The bypass is a protective feature and should not be used for prolonged recirculation or continuous operation against a closed discharge.
Typical Applications
- Bulk lubricant transfer
- Workshop oil dispensing systems
- Service vehicles
- Farm machinery servicing
- Mobile lubrication systems
- Drum and tank oil transfer
- Industrial lubricant transfer
GESPASA EA-90 Specifications
| Specification | Details |
|---|---|
| Brand | GESPASA |
| Model | EA-90 |
| Pump Type | Lubricant gear pump |
| Voltage Options | 12V DC / 24V DC |
| Stated Free Flow | 20–25 L/min with SAE 20/50W oil at 25°C |
| Inlet / Outlet | 1/2" BSP female |
| Motor Power | 0.37kW |
| Motor Speed | 1500RPM |
| Duty Rating | Continuous duty |
| IP Rating | IP55 |
| 12V Current Consumption | Approx. 35–55A |
| 24V Current Consumption | Approx. 20–32A |
| Maximum Recommended Oil Viscosity | 120 cSt for continuous-duty operation |
| Stated Suction Lift | Approx. 2.7m |
| Stated Discharge | Up to 40m |
| Bypass | Internal recirculation bypass, approx. 5–6 bar |
| Motor Construction | Aluminium |
| Power Lead | Approx. 2m cable with battery clamps |
| Thermal Overload Protection | No |
| Weight | Approx. 9kg |
| Dimensions | 300 × 143 × 173mm (L × W × H) |
| Warranty | 12 months |
Fluid Selection
The EA-90 is intended for compatible lubricating oils of average to lower viscosity, with SAE 20/50W oil at 25°C used for the supplied flow specification.
For fluids outside the stated application or where chemical compatibility is uncertain, confirm suitability before operation.
Installation & Operation
Use appropriately sized oil-rated hose and fittings and minimise unnecessary suction restrictions. Ensure electrical cables and connections are suitable for the high DC current required by the selected pump.
Oil viscosity varies substantially with temperature. If transferring cold or higher-viscosity lubricant, monitor pump performance and motor temperature and remain within the recommended operating limits.