PVT Coolant Pulse Test Machine，High pressure coolant pulse test system

The PVT Coolant Pulse Test Machine is designed for testing automotive cooling components, with a particular focus on rubber coolant hoses. It integrates linear vibration and eccentric rotation mechanisms, enabling automatic leak detection and leak testing. The machine is equipped with an automatic shutdown function for failed samples, ensuring safety and efficient testing workflows.

Application

You can use the PVT Coolant Pulse Test Machine to evaluate the durability, functionality, and leak resistance of automotive cooling system components. Typical applications include:

Testing rubber coolant hoses and tubes under dynamic pressure conditions.

Evaluating seals and connectors in cooling systems.

Simulating real-world vibration and thermal stress on components.

Integrating with automotive testing standards for component reliability.

Commonly used testing products with this machine:

Rubber coolant hoses

Plastic connectors and fittings

Cooling system assemblies

Automotive engine cooling components

Standards

The PVT Coolant Pulse Test Machine complies with a broad range of international automotive standards, including:

VW 78007 / TL 82048 / TL 81165 / TL 874 (4.4) – Volkswagen Group specifications for cooling system and interior material performance

TL 82002 / TL 52682 / TL 886 / TL 889 / TL 82086 – Volkswagen Group specifications for system component material performance and durability

PV 1712 (Ag 99-03) / GMW3155 – Fiat / General Motors engineering specifications for materials and component performance

PTL14052-A1203 / PTL14100-A0911 – Internal technical standards for component functionality and reliability

BMW LH 10356681 (10.5) / LH 10757369 (6.) / QV 17004 – BMW Group engineering specifications for material and component functionality and durability

BMW LH 7823444.6 / LH 10591317 / LH 10274837 – BMW Group engineering specifications for system component performance and functional validation

DIN 73411-2 [39] / Daimler M139 (2) / M177 (2) – Daimler engineering specifications / German industrial standards for component material and functional testing

Parameters

Parameter	Details
Machine Dimensions	4350 mm × 2520 mm × 2150 mm (W × H × D)
Test Chamber Internal 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	±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
Environment Temperature Control Range	-40°C … +150°C
Test Channels	8

Features

Combines linear and eccentric motion mechanisms for pressure pulse testing.

Operates in a pressure range of 0.1 … 5 bar.

Heats the test chamber by monitoring maximum surface temperature limits.

Automatic leak detection and leak testing with shutdown of failed samples.

Integrated recirculation pump prevents coolant leakage.

Windows / LabView-based control unit for data acquisition and monitoring.

Accessories

Test hoses and fittings

Data acquisition sensors

Leak detection probes

Temperature control modules

Linear and eccentric motion actuators

Test Procedures

Install the component to be tested in the test chamber.

Connect the test medium (glycol/water) and set the desired flow rate.

Configure test parameters including pressure range, linear/eccentric motion frequency, and temperature range.

Start the test via the Windows/LabView control unit.

Monitor real-time data for pressure, temperature, and leak detection.

The machine will automatically stop and alert you if a sample fails.

Record and export test results for analysis.

Maintenance Information

Regularly check and clean the recirculation pump and medium lines to prevent blockages.

Inspect motion actuators for wear and lubricate as recommended.

Calibrate pressure and temperature sensors periodically to ensure accurate testing.

Clean the test chamber and remove any residue from previous tests.

Update the control software and verify data acquisition integrity.

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