Let's Talk Impulse testing plays a key role in delivering safe and reliable hydraulic hose assemblies. Find out how our latest R&D purchase improves our testing capabilities, and what this means for you.
Hydraulic systems rarely operate under steady pressure. In real-world applications, these systems experience rapid pressure spikes and cyclic loading caused by pump pulsations, valve actuation, and system dynamics. Over time, these pressure cycles can lead to fatigue failures, even when static pressure ratings aren’t exceeded.
Impulse testing simulates these real-world service conditions by repeatedly cycling pressure through a hose assembly. The goal is to verify:
- Fatigue resistance of reinforcement layers
- Integrity of hose-to-fitting compatibility
- Long-term durability under load
- Compliance with International Product Standards
Without impulse testing, a hose that appears adequate under static pressure may fail prematurely in service.
Technical Capabilities of the Pulse 2 Tester
You may have heard that we’ve recently added a new impulse tester to our inventory of R&D equipment. This new system is designed specifically for high-precision and high-repeatability testing. Key specifications include:
- Maximum pressure: 700 bar (10,150 psi)
- Impulse frequency: 0.5-1.5 Hz adjustable cycling rate
- Waveform capability:
- Square wave testing in accordance with SAE J343 and ISO 6803
- Peak wave testing in accordance with ISO 6772
These waveform options are critical because different standards simulate different real-world hydraulic conditions. Square wave impulse testing typically stresses hose with rapid pressure transitions and dwell periods, while peak wave testing simulates sharp transient spikes commonly seen in high-performance systems.
Standards Compliance and Validation
The ability to test in accordance with internationally-recognised standards ensures our testing is both credible and globally relevant:
- SAE J343 – Performance and testing procedures for 100R hydraulic hose
- ISO 6803 – Impulse testing of hydraulic hose assemblies
- ISO 6772 – Peak pressure impulse testing
Following these test method standards in accordance with the product standard allows us to verify that both existing and new hose products meet the required criteria before we release them to market.
Increased Capacity = Stronger Quality Assurance
One of the primary advantages of our new Pulse 2 system is its higher testing capacity compared to our current equipment. This improvement enables us to:
- Run more simultaneous test samples
- Reduce validation lead times
- Accelerate new product development
- Perform more frequent conformity verification
In other words, this means we can test more assemblies, more often, under stricter controls, strengthening our overall quality assurance.
Supporting Product Development
Impulse testing is not only a compliance tool: it’s also a design and engineering resource. With expanded capacity, we can now evaluate various hose constructions under realistic conditions quicker. This allows us to:
- Identify potential fatigue failures sooner
- Find optimum crimp dimensions
- Confidently release new hose products to market
By validating before launch, we reduce risk for both our customers and the end user.
Commitment to Engineering Integrity
Investing in advanced test equipment reflects our broader commitment to you: delivering hydraulic hose products that perform safely and reliably in demanding environments. The addition of the Pulse 2 to our inventory of testing equipment strengthens our ability to verify performance, demonstrate compliance, and support customers with technically validated solutions.
As hydraulic systems evolve to operate at higher pressures and tighter tolerances, robust impulse testing becomes even more essential. This new capability ensures we remain at the forefront of verification, quality, and engineering confidence within the Australian market.
Contact us
Have a question? Let us know!
