Pressure is a crucial factor in hydraulics. You’ll see burst pressure and working pressure as the ratings for hoses. Working pressure is how we identify the correct hose for your application based on the hydraulic pressure. It is critical that the system pressure never exceed a hose’s working pressure. Burst pressure is the maximum pressure a hose can take before a catastrophic failure. This is an important safety factor. Burst pressure is usually four times the working pressure but you should always be aware of the manufacturers’ rating.
It is critical to know the full range of hydraulic pressures in your equipment when replacing any hose assembly. The relief-valve provides a good estimate for the maximum pressure during work. Any modifications to equipment should be taken into account because this can cause pressure surges that are significantly higher than the relief valve setting. We have diagnostic tools to measure pressure spikes.
The working pressure should always be greater than or equal to the highest system pressure including spikes and surges. A hose that is exposed to pressure higher than its working pressure will fail and have a drastically reduced lifespan. This can cause a work stoppage and shut down your operations.
If you notice rubbing or bending on any hydraulic assembly, it is a good idea to see if the routing or angles can be changed to eliminate this issue.
Differences in pressure between inlet and outlet can reduce system efficiency.
Common Causes:
- Friction: Fluid rubbing against hose walls (at bends) can reduce flow rates
- Viscosity: Lower fluid viscosity is harder to move
- Fluid Temperature: Higher temperatures cause hydraulic fluid to thin so it flows faster
- Hose ID: Size affects fluid for a given flow right. Higher velocities result in more pressure drops. A larger ID reduces pressure drop.
- Flow Rate: Pressure drop increase with flow rate for the same hose size
- Heat Gain: System Efficiency and Horsepower Loss are greatly affected by turbulent flow
Controlling pressure is the key to an efficient and well working piece of equipment.
I noticed yesterday at work that the hydraulic hose in is bending in a weird way. I’m hoping that I can hire someone to look at it because I’m worried that it might cause a leak. I’ll call a hydraulic repair company to fix it asap.
My family manages an oil business, and I recently heard my dad say he needs a new hydraulic system for one of their factories soon since the old one got damaged badly. It was helpful of you to mention that when it comes to hydraulics, it is critical to make sure the system pressure never exceeds the working pressure of the hose to avoid catastrophic failures. I’ll keep this in mind while I help my dad find an industrial supplier to contact about the hydraulic system he needs soon.
My uncle is an avid automobile enthusiast who intends to upgrade his vintage vehicle with a unique hydraulic system that offers adjustable suspension and high ground clearance. He is now looking for a reputable Custom Hydraulic Fabrication business that can realize his idea in order to guarantee the greatest outcomes and premium expertise. He should be informed that, since the relief valve gives a reliable estimate of the maximum pressure while working, it is crucial to be aware of the whole range of hydraulic pressures in your equipment before changing any hose assembly.
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