There are many misunderstandings and incorrect practices regarding how to deal with hydraulic pipe joint leaks. We've seen and heard about bad practices from small businesses to multinational corporations. Now, let's dispel some myths. Here's what you shouldn't do when there's a hydraulic leak.
1. Do not use your hands to check for leaks
The temperature of hydraulic fluid can often reach 300℉or more, which can quickly cause severe burns. In addition, hand contact with a leaky fluid from a high-velocity needle can be disastrous.
These jets of leaking fluid can travel at speeds in excess of 180 m/s and can penetrate the skin even with thick leather gloves.
2. Do not try to solve the leakage problem simply by tightening
Only occasionally, liquid leaks are caused by loose nuts. This can be easily solved by tightening the nut. However, we often see people over-tightening. This can compromise joint integrity and is one of the most common causes of pipe joint leaks. Always check the connection before instinctively tightening.
3. Do not bring the pressure check system
Four, before the inspection, be sure to relieve pressure to the system. You should do this even if you only see the liquid trickling slowly to the ground. Pressure relief minimizes the risk of sudden hydraulic fluid injection of mechanical components during inspection. Note: Fluid and back pressure may still exist after system shutdown.
4. Do not replace different types of joints to save time/money
Be sure to replace with exactly the same type of connector, even if it takes longer to get such a fitting. Taking a similar joint and trying to get it to work (just because it's easy to get) is one of the causes of failure. The downtime involved in finding the right parts is worth it because it will save you more time and money in the long run.
5.Do not always doubt the joint
The drop point may not be the leak point. Dropping occurs at the lowest point. Although the fluid may drip at the joint, the actual leakage point may be elsewhere.
6. Do not reuse the O-ring When reassembling a reusable joint, the O ring should be replaced promptly. O-rings are prone to cracking, which may damage the sealing performance of the system during reassembly.
7. When repairing leaks, don't forget to protect the open system We often see that when fixing a leak, the workers remove the connector, throw it on the ground, and then put it back on. This can introduce contaminants into the hydraulic system. This is a bad practice and will shorten the service life of the equipment.
8. Replace or install the joint, do not forget to clean the connection end
This helps prevent dirt and metal burrs from entering the hydraulic system. These particles can damage expensive hydraulic machinery.
9. No open fire
All open fires should be kept away from the leak point. We often forget that pinhole leaks can create "clouds" of flammable vapour in the form of fog. Common hazards include lit cigarettes, lighting with lighters, and nearby use of welding or cutting torches.
10. Don't ignore problems
Even minor leaks can be a symptom of more serious hydraulic system problems and can lead to performance problems and reduced ergonomics. The problem should be solved as soon as possible.