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What are the different types of hydraulic fittings?

Views: 36     Author: Site Editor     Publish Time: 2023-02-14      Origin: Site Inquire

Hydraulic fittings are used to connect hydraulic hoses, tubes, and pipes to different hydraulic components in a hydraulic system, such as pumps, valves, cylinders, and motors. There are various types of hydraulic fittings available, each with its specific design and application. Here is a chart outlining some of the most common types of hydraulic fittings:


  • Compression fittings are a type of hydraulic fitting that uses compression to connect two tubes or pipes. They are most commonly used in low-pressure applications like air and water lines. A compression fitting has three main parts: a compression nut, a compression ring, a compression seat. The tube or pipe is inserted into the fitting, the compression nut is tightened, compressing the compression ring onto the tube or pipe to create a tight seal. Compression fittings can be made from materials like brass, copper, stainless steel.

  • Flare fittings are another type of hydraulic fitting that is ideal for high-pressure applications like fuel lines and air conditioning systems. Flare fittings have a flared end and a mating cone-shaped fitting that are tightened together to create a seal.

  • Threaded fittings have threads on the inside or outside of the fitting, which are screwed onto corresponding threads on the hydraulic component or tube. They are used in a wide range of applications, including plumbing, construction, hydraulic systems.

  • Quick-connect fittings allow for fast and easy connection & disconnection of hydraulic lines. They are commonly used in automotive, agricultural, construction equipment.

  • Barbed fittings feature ridges or barbs that grip the inside of a hose or tube, creating a secure connection. They are commonly used in low-pressure hydraulic systems, like those in agriculture landscaping equipment.

  • Push-on fittings slip onto a hose or tube are held in place by friction, without the need for clamps or ferrules. They are ideal for low-pressure hydraulic applications, such as those in automotive and transportation equipment.

  • O-ring face seal fittings (ORFS) have an o-ring integrated into the face of the fitting, which creates a seal against the flat face of the mating component. They are ideal for high-pressure hydraulic systems are commonly used in construction & mining equipment.

  • Bite-type fittings use a cutting ring that bites into the tube or hose, providing a secure connection. They are ideal for high-pressure applications are commonly used in the oil and gas industry.


It's important to choose the right type of hydraulic fitting for a specific application to ensure a secure and leak-free connection. When selecting a hydraulic fitting, consider factors such as pressure rating, operating temperature, material compatibility. Always follow the manufacturer's recommendations and best practices for installation maintenance to ensure the safe efficient operation of your hydraulic system.

Yuyao Ruihua Hardware Factory is a professional company for producing various standard and non-standard hydraulic fittings, hydraulic adapters, hydraulic hose fittings, hydraulic quick couplers, fasteners etc. We just now start to export directly by ourselves in 2015. We insist on using the best material and testing the products strictly according to the quality control system. Make the business easier is our final goal.

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