Coolant pulsation testing machine
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The Coolant Pulsation Testing Machine is a precision testing system designed to evaluate automotive cooling components under dynamic pressure conditions. You can use it to test radiators, rubber hoses, expansion tanks, and other cooling system parts for durability, leakage, and functional performance. The front-and-rear dual-door design allows easy installation and removal of samples, while the system automatically detects leaks and shuts down failed samples to ensure safe, reliable operation.
Application
The Coolant Pulsation Testing Machine is suitable for a wide range of automotive testing applications:
Radiator Testing: Evaluate structural integrity and leak resistance under pulsating pressure and thermal load.
Rubber Hose Testing: Test durability, pressure pulsation resistance, and functional lifespan of coolant hoses, including aramid-reinforced hoses.
Expansion Tank Testing: Verify thermal stability and mechanical durability under dynamic coolant flow.
Component Validation: Conduct system-level verification for cooling components before vehicle integration.
Automotive R&D: Support material selection, design optimization, and durability assessment of cooling systems.
Typical test products include radiators, coolant hoses, expansion tanks, thermoplastic and composite cooling system components.
Standards
The system supports compliance with major automotive industry standards:
TL 889 / TL 874 (4.4) – Volkswagen Group technical specification for cooling system materials and radiator functionality testing.
TL 52361 (6.1.1 / 6.1.2) – Volkswagen Group specification for coolant hoses (including aramid-reinforced) and functional performance (pressure pulsation and long-term static testing).
TL 52682 (6.11 / 6.12) – Volkswagen Group specification for glass-fiber reinforced PA66 used in cooling system components, including dynamic and static durability tests.
GMW15310 – General Motors global engineering standard for materials and component performance, including integrated vehicle/system testing.
GMW14322‑2016 (4.13) – GM global standard for environmental and durability testing with specific requirements.
GMW16288 – GM system-level durability and verification standard for cooling system components.
Parameters
| Parameter Category | Details |
|---|---|
| Equipment Dimensions | 4350 mm × 2520 mm × 2150 mm (W × H × D) |
| Environmental Chamber Dimensions | 1800 × 1000 × 1000 mm (W × H × D) |
| Rated Power | 60 kW |
| Test Medium | Glycol/Water |
| Pressure Range | 0…5 bar |
| Medium Flow Control | Up to approx. 100 l/min |
| Linear Motion Parameters | ±25 mm at 1 Hz ±12 mm at 5 Hz ±6 mm at 10 Hz ±2 mm at 20 Hz |
| Test Medium Temperature Range | -40°C … +150°C |
| Environmental Temperature Control | -40°C … +150°C |
| Test Channels | 8 |
Features
Pressure pulsation testing machine with linear and eccentric motion device.
Pressure range from 0.1 up to max. 5 bar.
Heating of the environmental chamber through monitoring and limiting maximum surface temperature.
Automatic leak detection and leak testing with automatic shutdown of failed samples.
Automatic return pump to prevent coolant leakage.
Windows/LabVIEW-based control unit with integrated data acquisition and recording.
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