Tube vs Hose: Pros and Cons

When the time comes to chose between a tube or a hose for your hydraulic needs, there&#;s a lot to take into account. You need to ask yourself some questions in order to pick the correct solution for your needs. For example:

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• When would you use a metal tube over a hose?
• When would you pick a hose over a metal tube
• Is it even possible to replace a metal tube assembly with a hose? If so, should you do so?

Both options have their good and bad points dependent on the application they&#;re to be used for. A piece of hydraulic equipment can have both fittings in different parts of the system. Generally speaking, tubes are best used near heat sources whereas a hose is best used if it&#;s to be attached to any moving parts for instances, where high vibration is present. If you&#;re still in two minds in terms of weighing up the benefits of each, take a look:

Benefits of Using Tube

Some of the benefits of tube include:

• Generally not as heavy as hose
• Consistent dimensions even under pressure
• Higher dissipation of heat

Drawbacks of Using Tube

some major drawbacks of using tube include:

• Only useful in rigid applications
• Maximum length of 20 feet
• Corrodes easily
• Transfers any vibration to other components
• Bad heat insulation

Benefits of Hose

 If you&#;re considering using hydraulic hose, bear in mind the following:

• Generally less likely to corrode
• Good heat insulation
• Flexible enough to be used in dynamic applications
• Longer lengths than tube available
• Easily installed in hard-to-reach places
• No transfer of noise and vibration

Drawbacks of Hose

Hose tends to be a good choice for many applications, but, as with everything, there are some drawbacks.

• Limited temperature range for operating
• Heavier
• Tends not to dissipate heat well
• Fittings can corrode

If you&#;re looking for more information on hydraulic hoses or are looking for hydraulic hose repair, Perth-based company Hoseright can help. Contact us today on 08 .

JIC fittings, standing for Joint Industry Council fittings, are widely used in various hydraulic systems. These highly reliable and versatile components have become a staple in fluid power applications. In this blog, we&#;ll explore the advantages, disadvantages, applications, and offer a conclusive overview of JIC fittings.

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What Are JIC Fittings?

Joint Industry Council (JIC) fittings, as specified by SAE J514, are hydraulic fittings & adapters designed with a 37-degree flare seating surface and UN/UNF parallel threads. These fittings are typically produced from materials like nickel alloys, brass, as well as carbon and stainless steel.

In hydraulic systems, JIC fittings are a standard choice for connecting components. These fittings include both male and female parts, each featuring a 37-degree seat. The connection is secured through the contact between the male flare and the female coned seat, forming a mechanical bond. To create a complete tubing assembly using JIC fittings, three key components are necessary: the fitting itself, a flare nut, and a sleeve.

JIC Thread Charts

Difference in Standards

The commonality between all these fittings is that they define how a component joins and seals to other hydraulic components like their female counterparts, pipes, hoses, and valve blocks. The sealing mechanism depends on the metal-to-metal contact achieved when two compatible fittings are linked.

Each standard is defined by the internal diameter, thread sizing dimensions of the adapter, the flare angle on their nose, and whether the threads run parallel or taper.

AN vs JIC:

The only difference between AN and JIC fittings is that AN fittings are manufactured as per more stringent tolerances for military applications. AN fittings meet MIL-DTL- standards, and JIC fittings meet SAE J514 standards.

JIS and Komatsu vs JIC:

JIS and Komatsu are similar in their appearance to JIC fittings; however, they have a 30° flare on their fittings as opposed to the 37° flare in JIC fittings. Additionally, JIS conforms to the BSP (British Standard Pipe) thread sizing and Komatsu to the millimeter.

SAE vs JIC:

The thread sizing in JIC fittings are based on SAE parallel running thread sizing. It is for this reason why SAE 45° flare thread fittings can thread onto JIC fittings; however, caution must be taken as they do not have the same flare angle for seating.

Advantages of JIC Fittings:

1. Widespread Availability: JIC fittings are easily accessible in the market.
2. Diverse Range: They come in a multitude of sizes, shapes, combinations, and materials.
3. Consistent Sizing with SAE Standards: This consistency makes them easily interchangeable and identifiable.
4. Suitable for High-Temperature Applications: The absence of an O-ring makes them well-suited for environments with high temperatures.
5. Durability in Connection and Disconnection: These fittings can be connected and disconnected multiple times without deformation. This feature is particularly beneficial in scenarios where equipment frequently needs changing or swapping.
6. Ease of Maintenance and Installation: JIC fittings are user-friendly in terms of maintenance and installation.
7. Simplified Orientation: The combination of male JIC fittings and female JIC swivels facilitates easier orientation during installation.

Disadvantages of JIC Fittings:

1. Lower Pressure Tolerance: In some cases, especially in high-vibration applications, their pressure rating might be inadequate.
2. Limitations due to Metal-to-Metal Sealing: The design of these fittings restricts their use primarily to hydraulic, fluid, and non-critical applications, as they might not provide the most secure seal in all scenarios.
3. Risk of Flare Damage and Cracking: Over-tightening can lead to damage or cracking of the flare, affecting the fitting&#;s integrity and reliability.

Applications of JIC Fittings

JIC fittings are widely used in many applications:

• Hydraulic Systems: Commonly used in hydraulic hoses, pumps, and valves.
• Automotive Industry: Essential in fuel and brake line systems.
• Aerospace: Utilized in hydraulic systems of aircraft and spacecraft.
• Agricultural Machinery: Employed in tractors and other heavy-duty equipment.

Conclusion

JIC fittings are a crucial component in many hydraulic systems, offering a balance of ease of use, reliability, and versatility. While they have their limitations, particularly in ultra-high-pressure environments, their benefits often outweigh the drawbacks. Understanding these factors is key to making informed decisions in the selection and use of JIC fittings in various applications. Whether you&#;re in automotive, aerospace, or agriculture, JIC fittings play an integral role in the efficiency and safety of your hydraulic systems.

NPT Male JIC Male Female Swivel JIC 90° Elbow Male JIC Tee 43 Series JIC Male 43 Series JIC Female Swivel 90° Elbow JIC Female Hose Tail

Hydraxio is a leading manufacturer and supplier of stainless steel JIC fittings. We are the ideal supplier for wholesalers, distributors, and brand manufacturers of hydraulic hose and fittings.

For more Hydraulic Hose Adaptersinformation, please contact us. We will provide professional answers.