lube oil cooler and air cooled oil cooler. A keeps lubricating oil inside its working temperature window so viscosity stays stable and equipment keeps running; an rejects that process heat with fan-driven airflow instead of requiring a separate water circuit.
This hub explains the operating cycle, the components that decide cooling performance, the industrial systems that rely on oil temperature control, and the specification checklist you need before sourcing a cabinet-style cooler.
An air-cooled industrial oil cooler removes excess heat from circulating lubricating or hydraulic oil so the fluid returns to the machine inside a controlled temperature band. Because heat is rejected to ambient air through a fan-driven finned condenser, the unit does not depend on a plant cooling-water loop.
The DXY-PA40 is a practical example of this package: a 4HP industrial cooling cabinet that combines a large-capacity brazed plate heat exchanger, a high-airflow finned condenser, an oil pump and a temperature control board in one floor-standing enclosure.
Follow the oil path from the machine through the cooler and back again, then see where the fan-driven air loop does its work.
Heated oil returns from the machine, lubrication station or hydraulic circuit toward the cooling unit.
A dedicated oil pump keeps oil moving through the cooler at a steady rate.
A large-capacity brazed plate heat exchanger gives the oil a compact but high-surface path to release heat.
The high-airflow finned condenser, supported by the fan system, releases captured heat to ambient air.
Oil re-enters the system within the target temperature window, keeping viscosity and machine behavior consistent.
A digital controller monitors oil temperature, operates the cooling system, and triggers alarms at high or low limits.
Hot oil → oil pump → plate heat exchanger → cooled oil returns to system. This closed loop is what protects the machine-side oil volume.
Fan pulls ambient air across the finned condenser → heat is carried away. No chilled-water supply is required, which simplifies installation in plants without spare cooling capacity.
| Component | Large-capacity brazed plate heat exchanger Transfers heat out of the oil inside a compact core. |
|---|---|
| Why it matters | More plate surface per footprint means the cooler can keep up with medium-to-large industrial heat loads without taking up excessive floor space. |
| Component | High-airflow finned condenser + fan system Releases captured heat to ambient air through finned surfaces. |
| Why it matters | Heat rejection depends on airflow through the fins; the reinforced sheet-metal design helps protect that surface when the unit works in dusty workshops. |
| Component | Compressor and fan power stage The DXY-PA40 uses a 4HP compressor from a renowned brand. |
| Why it matters | Compressor capacity must be matched to peak heat generation so oil temperature does not creep upward during heavy production cycles. |
| Component | Oil pump Keeps oil circulating from the tank or system through the heat exchanger. |
| Why it matters | If flow stops or slows, hot pockets form and the cooler cannot deliver its rated kW of heat removal. |
| Component | Temperature control board / imported digital controller Monitors oil temperature and manages operating modes. |
| Why it matters | The DXY-PA40 provides ±0.1°C control accuracy and supports constant temperature and room-temperature-synchronization operating modes. |
| Component | Dry contact alarm terminal A signal connection that can be wired into industrial equipment controls. |
| Why it matters | Excessively high or low oil temperatures trigger interlocked alarms, giving maintenance teams a chance to act before mechanical damage occurs. |
The DXY-PA40 application range covers lubricating oil and hydraulic oil circuits. The same cabinet-style cooling architecture is used across lubrication stations, electrical discharge machining equipment, and hydraulic machinery or power-unit installations where fluid temperature must stay under control.
When oil is the working fluid, cooling is not optional: heat changes viscosity, accelerates wear, and shifts the dimensional behavior of precision machines. The right cooling package turns an uncontrollable heat problem into a predictable temperature set point.
Circulating oil systems on medium-to-large industrial equipment produce continuous heat. The DXY-PA40 is positioned specifically for lubrication station heat loads, maintaining oil viscosity for stable bearing and gear lubrication.
Evaluate for your lubrication station →Electrical discharge machining concentrates heat into the dielectric oil path. The DXY-PA40 application list includes EDM equipment, where the controller's ±0.1°C accuracy supports the repeatable fluid conditions precision machining depends on.
Send your EDM heat-load data →Hydraulic pumps and valves transfer heat into the oil during every pressure cycle. Cabinet coolers in this product range are built for hydraulic oil service, helping maintain consistent actuator response and component life.
Review hydraulic-oil compatibility →
| Model | DXY-PA40 |
|---|---|
| Cooling capacity | 11.9 kW (10,000 kcal/h) |
| Compressor | 4 HP industrial compressor |
| Power supply | 3PH/AC380±10% 50Hz |
| Temperature control range | 20–50 °C |
| Control accuracy | ±0.1 °C |
| Oil tank capacity | 40 (listed tank capacity) |
| Dimensions (L×W×H) | 700 × 625 × 1245 mm |
| Weight | 148 kg |
| Usage | Lubricating oil, Hydraulic oil |
| Operating modes | Constant temperature and room-temperature synchronization |
Compare each line below against your machine data before requesting a quote.
Buying an air-cooled cabinet is a maintenance decision as much as a capacity decision. These are the DXY-PA40 facts that matter to plant engineers and procurement teams.
Whether you need one production cooler or want to evaluate OEM/ODM integration for your own machine line, the MEISON engineering team can review oil type, heat load, ambient conditions and alarm requirements before you commit.
MOQ starts at 1 set · mechanical test report available · video inspection before shipment
Keep adjacent product options together for a faster catalog comparison.
Application1.Widely used in hydraulic systems, lubrication systems, and transmission systems. 2.Suitable for high cooling power applications such as mining, marine machinery, port
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Robust air-cooled cooler with aluminum fins for efficient heat dissipation. Ideal hydraulic oil cooler with quiet fan for continuous use. From trusted hydraulic oil cooler manufact
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Application1.Widely used in hydraulic systems, lubrication systems, and transmission systems. 2.Suitable for high cooling power applications such as mining, marine machinery, port
View productoil temperature affects viscosity, machining accuracy and mechanical stability. the dxy-pa40 is designed to prevent oil-temperature fluctuation from affecting machining accuracy, maintain stable oil viscosity, and support continuous, stable equipment operation. setting the oil temperature close to ambient also helps prevent thermal deformation caused by excessive temperature differences.
the dxy-pa40 usage specification lists lubricating oil and hydraulic oil. the same cooling package can therefore serve lubrication station circuits and hydraulic machinery, but you should confirm oil type, flow and heat load with the factory before purchase.
the temperature control range is 20–50°c, with ±0.1°c control accuracy delivered by an imported digital controller. the unit supports constant-temperature operation as well as a room-temperature synchronization mode, so the set point can be managed relative to the workshop environment.
the dxy-pa40 performs real-time temperature monitoring and alerts for excessively high or low oil temperatures. it also includes a dry-contact alarm terminal that can be connected to industrial equipment for interlocked alarms, helping prevent mechanical damage before it occurs.
the minimum order quantity is 1 set, and the standard warranty is 12 months. after-sales terms promise free replacement or spare parts, and a mechanical test report plus video inspection before shipment are available.
yes — odm/oem service is welcome. a buyer can submit its application type, oil type, cooling load and control requirements to the meison team, and the factory will review the specification before recommending a standard or adapted model.
