Choosing the Right Hydraulic Fittings for Your Projects

Hydraulic Fittings

Connecting hydraulic hoses, tubes, and pipes to hydraulic system components such as pumps, valves, and cylinders requires hydraulic hose fittings. What then takes place if you select the incorrect fitting? Unfortuitously, even something as seemingly insignificant as a fitting can swiftly reduce the efficiency of the entire hydraulic system and even pose a significant threat to the user’s safety. Check out the TorcStark guide on choosing the most appropriate fitting for the task you need to complete if you need additional time to consider the shapes, materials, threading, and sealing options.

Things to Keep in Mind When Choosing Hydraulic Fittings 

Here are some of the facts you need to keep in mind when considering hydraulic fittings for your projects:


Vibration has an effect on hydraulic plumbing, and it can cause fatigue as well as shift the torque. Be sure to check for leaks and damage in areas that experience a lot of vibration.


Tube fittings have a temperature range determined by the material, the plating, and the seal if one is used. Using O-ring seals will ensure your operation is leak-free if the operating temperature allows it. You can choose from various specialized options if you require hydraulic hoses and fittings that are functional in high-temperature environments. 

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Rating for Pressure

In most cases, an increase in the operating pressure will accompany the modernization of your apparatus. When it comes to coping with high working pressure, most of our clients choose to use O-ring seals. They are less likely to develop cracks over time. In addition, O-ring seals protect against the dangers of overtorquing and leakage. The highest pressure rating can be found in hose fittings made of stainless steel, which is also the most durable.

Compatibility of Chemicals and Fluid of Operation

As a general rule, one should ensure that the inner hose tube, cover, fittings, and O-rings are chemically compatible with one another. Exercise extreme caution when choosing a hose for use with gaseous applications to prevent explosions, fires, and inhalation of toxic fumes. This is especially important if the hose becomes permeable. Always check with the manufacturer to ensure that your hydraulic system’s components are chemically compatible with one another. In addition, make sure that the type of hydraulic fluid being utilized in a system is compatible with the seal you are using. 

The Safety of the Connection, Taking into Account the Different Types of Sealing

Exercise extreme caution when working with NPT (National Pipe Taper) pipe threads fittings. Although it may appear to be a simple matter to stop the leak with this fitting by simply tightening the connection, doing so puts you at an increased risk of the fitting cracking. Remakes increase the likelihood that something like this will occur (loosening and re-tightening the fitting). Switch to an untapered JIC fitting and use O-rings equipped with elastomeric seals such as DIN 2353 or SAE J1453 to eliminate the possibility of leaks occurring for no apparent reason. Maintaining temperature conditions within the recommended range can be accomplished using elastomeric seals. Sadly, all seals can be ruined by even a single instance of excessive temperature, resulting in multiple leaks.


Every couple of months, you should check your hoses and fittings to ensure they have a secure connection and no leaks. Even brand-new fitting can only be problematic if the right option is selected. Although picking a hydraulic fitting sometimes feels overwhelming, following our simple guide should be fine.

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