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Email: Zyc@cn-lxjt.com
Add: No.19, Feng Er Road, Xinwu District, Wuxi City, Jiangsu Province, China

Oil Cooling Heat Exchanger

High-performance Oil Cooling Heat Exchanger is designed to stabilize hydraulic and lubrication oil temperatures.

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Product Overview
High-performance Oil Cooling Heat Exchanger is designed to stabilize hydraulic and lubrication oil temperatures. It protects critical components and prevents fluid thermal degradation in hydraulic power units, injection molding machines, compressors, and gearboxes.

Technical Parameters & Compliance

Item	Specification Range	Google EEAT & Buyer Verification
Material Core	SUS316 / SUS316L / Carbon Steel	Superior fatigue resistance against high-viscosity oil
Brazing Matrix	99.9% Pure Copper / Optional Nickel	High-strength molecular bond to absorb pressure shocks
Design Pressure	30 bar – 50+ bar	Engineered for heavy-duty hydraulic return-line spikes
Test Pressure	1.5x Design Pressure (Up to 75+ bar)	100% factory pressure and burst validated
Applicable Media	Mineral/Synthetic Oils, Gear Oils, Hydraulic Fluids	Wide chemical compatibility with universal lubricants
Certificates	ASME (U/U2), National Board, AD2000	100% compliant with Western industrial & plant safety codes
Leak Test	100% Helium Leak & Pressure Tested	Zero-leakage guarantee protecting water and oil loops

Core Technical Advantages
Viscosity Optimization: Deep-corrugation channel patterns generate high fluid shear stress, forcing high-viscosity oils into turbulent flow at low velocities to maximize heat transfer.
Anti-Surge Structure: Built with a reinforced internal node network and heavy-duty frame plates to withstand cold-start oil pressure spikes (oil hammer) without deformation.
Space-Saving Footprint: Delivers exceptional thermal density, requiring up to 70% less installation space inside machinery cabinets compared to air-cooled systems.

Certified Manufacturing & Quality Control
Global Code Compliance: Stamped and documented under strict ASME Sec VIII Div 1 (U & U2) and European AD 2000 frameworks for factory-floor machinery directives.
ISO 3834-2 Certified Fusion: Precision vacuum furnace brazing or automated TIG welding ensures uniform alloy penetration for lifetime fatigue strength under continuous duty cycles.
100% Non-Destructive Testing: Every unit undergoes mandatory high-pressure pneumatic testing and advanced helium mass spectrometer leak detection to eliminate oil-to-water cross-contamination.

OEM/ODM & Engineering Support
Thermodynamic Sizing: Sizing optimization using professional software based on your exact oil grade (ISO VG 32, 46, 68), operating viscosity, and max allowable $\Delta P$.
Flexible Connections: Standard BSP/NPT threads, SAE hydraulic flanges, or custom compact ports for tight hydraulic reservoir layouts.
Turnkey Customization: Laser-engraved custom nameplates, custom color matching, and integrated heavy-duty mounting brackets for direct factory bolt-on assembly.

FAQ

Q: How do you prevent the cooler from bursting during a cold system startup?

A: Cold hydraulic oil creates high viscosity and severe localized pressure spikes. Our ASME-certified exchangers use reinforced plate geometries rated for high working pressures. For heavy-duty systems, we also provide selection advice for installing a parallel low-pressure bypass valve.

Q: Can your oil coolers handle synthetic fluids or phosphate esters?

A: Yes. Premium SUS316L stainless steel and high-purity copper/nickel vacuum brazing are inert to the vast majority of synthetic lubricants, gear oils, and water-glycol fluids.

Q: Do you provide complete technical compliance documentation for machinery export?

A: Absolutely. We supply full material traceability reports, hydrostatic test logs, and official ASME/CE registration marks required for smooth customs clearance and plant inspector sign-offs in North America and the EU.

Q: What is the lead time for bulk industrial OEM orders?

A: Standard batch orders are securely palletized and dispatched from Qingdao Port within 15–20 days under FOB, CIF, or DDP terms.

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