matiriel-accessoires/transfert-de-chaleur/refroidisseurs-huile

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Fan-driven oil coolers

Efficient air cooling solution

Fan-driven oil coolers are cooling systems that have various applications, including in hydraulic systems, automotive vehicle engines, industrial machinery, power plants, agricultural areas, construction, aeronautics, the maritime sector, and railways.

Type: Air-to-oil cooler

Advantage: Compact and economical

Specialty: Ambient air cooling

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Caractéristiques principales

Refroidissement par air ambiant sans besoin d'eau
Conception compacte et légère
Tubes ailetés en alliage d'aluminium haute résistance
Ventilateurs électriques ou hydrauliques
Brasage sous vide pour une durabilité optimale
Faible coût d'installation et d'exploitation
Thermostats intégrés pour régulation automatique

Principe de fonctionnement

Ce système sert à refroidir l'huile des circuits hydrauliques grâce à l'air ambiant qui circule dans des tubes à ailettes via un ventilateur entraîné par un moteur à courant alternatif, à courant continu ou hydraulique. La configuration particulière des tubes accroît la turbulence du fluide et améliore le transfert thermique.

Technical Specifications - FYS Series

Product	Oil flow rate (L/min)	Maximum capacity (kW)	Tension	Power (W)	Speed (rpm)	Ø Fan	Air flow rate (m³/h)	Protection	Capacity (L)	Weight (kg)
FYS 12 - 24/12	10-40	3	12/24 DC	130	560	ø167	4400	IP68	0.7	3.7
FYS 12 - 01	10-40	3	230V AC	25	450	ø160	1450	IP44	0.7	3.7
FYS 13 - 12/24	20-80	6.5	12/24 DC	130	1060	ø225	3400	IP68	1.4	5.3
FYS 13 - 01	20-80	6.5	230V AC	63	680	ø200	2750	IP44	1.4	5.5
FYS 14 - 24/12	40-100	10	12/24 DC	130	1060	ø225	3400	IP68	1.7	6.3
FYS 14 - 01	40-100	10	230V AC	63	680	ø200	2750	IP44	1.7	6.3
FYS 15 - 24/12	60-120	14	12/24 DC	130	1400	ø280	1400	IP68	2.3	8.1
FYS 15 - 01/02	60-120	14	230/400 V AC	63	1000	ø250	1000	IP54	2.3	10
FYS 16 - 24/12	80-140	25	12/24 DC	130	1710	ø305	2570	IP68	4	12.5
FYS 16 - 01/02	80-140	25	230/400 V AC	72	1700	ø300	1380	IP54	4	14
FYS 17 - 24/12	100-160	30	12/24 DC	130	2630	ø385	2900	IP68	5.7	18
FYS 17 - 01/02	100-160	30	230/400 V AC	165	2900	ø350	1380	IP54	5.7	20
FYS 18 - 24/12	120-200	35	12/24 DC	260	2800	ø280 x2	2680	IP68	7.5	23
FYS 18 - 01/02	120-200	35	230/400 V AC	100	2000	ø250 x2	1380	IP44	7.5	25
FYS 19 - 24/12	150-250	40	12/24 DC	130	2630	ø385	2900	IP68	9	26
FYS 19 - 01/02	150-250	40	230/400 V AC	165	2900	ø350	1380	IP54	9	28
FYS 20 - 24/12	180-300	50	12/24 DC	260	3420	ø305 x2	2570	IP68	14	39
FYS 20 - 01/02	180-300	50	230/400 V AC	450	6900	ø500	1320	IP54	14	46
FYS 21 - 01/02	250-500	75	230/400 V AC	490	8000	ø400 x2	1400	IP54	18	55

Technical dimensions - FYS series

Product	Width A (mm)	Height B (mm)	Depth C (mm)
FYS 12 - 24/12	230	242	45
FYS 12 - 01	242	228	45
FYS 13 - 12/24	230	242	45
FYS 13 - 01	228	242	45
FYS 14 - 24/12	296.5	320	63
FYS 14 - 01	296.5	321	63
FYS 15 - 24/12	360.5	380	63
FYS 15 - 01/02	359	380	63
FYS 16 - 24/12	426	445	63
FYS 16 - 01/02	426	445	63
FYS 17 - 24/12	537.5	540	63
FYS 17 - 01/02	537.5	540	63
FYS 18 - 24/12	424.5	726	85
FYS 18 - 01/02	424.5	726	85
FYS 19 - 24/12	478.5	566	100
FYS 19 - 01/02	478.5	566	100
FYS 20 - 24/12	626.5	776	100
FYS 20 - 01/02	626.5	776	100
FYS 21 - 01/02	1000	710	94

Important technical notes

Complete range: 20 models covering 3 kW to 75 kW cooling capacity

Power supplies: 12/24V DC or 230/400V AC

Motor options: Electric or hydraulic depending on the application

Protection ratings: IP44, IP54 or IP68 depending on the environment

Flow rates: Suitable for hydraulic systems from 10 to 500 L/min

Domaines d'application industriels

Secteur industriel	Applications spécifiques	Avantages
Hydraulique industriel	Refroidissement circuits hydrauliques machines-outils, presses, systèmes automatisés	Maintenance température huile optimale, prolongation durée de vie
Automobile	Refroidissement moteurs véhicules, bancs d'essai, systèmes de test	Compacité, adaptation aux contraintes spatiales
Énergie	Centrales électriques, groupes électrogènes, turbines	Fiabilité en continu, faible maintenance
Agriculture	Tracteurs, moissonneuses, systèmes hydrauliques agricoles	Résistance aux environnements poussiéreux
BTP	Engins de chantier, pelleteuses, bulldozers, grues	Robustesse aux vibrations et chocs
Aéronautique	Systèmes hydrauliques avions, équipements au sol	Légèreté, sécurité renforcée
Maritime	Navires, systèmes hydrauliques marine, équipements portuaires	Résistance corrosion marine
Ferroviaire	Trains, systèmes hydrauliques ferroviaires, infrastructures	Fiabilité aux variations température

Composants principaux

Éléments thermiques

Tubes ailetés en alliage aluminium haute résistance
Brasage sous vide pour liaison parfaite
Configuration optimisée pour turbulence
Surface d'échange maximisée

Système ventilation

Ventilateurs haute performance
Moteurs électriques CA/CC ou hydrauliques
Variateurs de vitesse intégrés
Protections IP adaptées à l'environnement

Air-to-Oil Cooler Technology

Technical advantages

Forced-air oil coolers offer significant advantages:

No need for water or other cooling fluid
More compact than other heat exchangers
Reduced installation and operating costs
Simplified maintenance and extended intervals
Adaptable to all industrial environments

Preferred areas

Recommended use in the following situations:

Mobile apps and transportation
Environments where water is scarce or expensive
Installations requiring a high degree of compactness
Systems requiring precise regulation
Moderate temperature environments

Parts and Accessories

Standard components

Fins and tubes: Main heat exchange structure
Fans: Variable flow forced air circulation
Motors and drives: Electrical or hydraulic power supply
Mounting brackets: Secure installation on machines
Hydraulic fittings: Standardized oil inlet/outlet

Optional equipment

Thermostats: Automatic temperature regulation
Protective grilles: Anti-debris and foreign object protection
Temperature sensors: Monitoring and control
Waterproof enclosures: IP68 protection for harsh environments
Mounting kits: Machine-specific adaptation

Frequently Asked Questions

Frequently Asked Questions about Fan-Powered Oil Coolers

Hydraulic power units are used in a wide range of applications, including machine tools, presses, injection molding machines, compressors, construction and agricultural equipment, marine and railway equipment, and auxiliary systems for power plants and wind turbines. They offer the advantage of outperforming plate, tube, or water-cooled systems when water supply is difficult or undesirable, space is limited, and total cost of ownership must be minimized.

Thermal load (kW) or oil flow rate (L/min) and target oil inlet/outlet temperatures. Ambient temperature (air) and installation location (indoor/outdoor, altitude). Oil type and viscosity (cSt at operating temperature). Allowable pressure drop (Δp) and noise limit. Power supply type (AC 230/400 V, DC 12/24 V, hydraulic). With this information, MIT recommends the appropriate model by correctly matching the core area, fan flow rate, and blade geometry.

This depends on the model and application; typical operating pressure is between 10 and 20 bar, and operating temperatures vary considerably depending on the oil formulation. The cores are made of high-strength aluminum alloy (vacuum brazed); the manifold and fitting materials are selected according to the application. Compatibility with mineral, synthetic, and bio-based oils must be assessed based on the data provided by the oil manufacturer. Protective coatings and stainless steel fittings are recommended in marine or corrosive environments.

Thermostat/thermal switch (fan on/off or stepped speed control). Proportional speed control with PWM/EC fan or frequency inverter. Bypass/relief valve (to prevent cold starts and excessive pressure drop). Differential pressure switch (contamination warning). IP rating and vibration isolators (for harsh field conditions). These options reduce energy consumption and noise while maintaining the oil temperature within a narrow range.

Ensure sufficient clearance at the air inlet and outlet to allow for proper airflow and prevent hot air recirculation. Check the flow direction, vibration isolation, and the robustness of the mounting brackets. Install a suitable filter/strainer on the inlet pipe; an increase in differential pressure (Δp), oil temperature, and noise/vibration are warning signs. Clean the fins regularly (with compressed air, taking care not to damage them; high-pressure water is not recommended). Observe the cleanliness class recommended by the oil manufacturer (ISO 4406) and the drain intervals.