How to Measure a Hydraulic Fitting

scheduleMarch 10, 2022

Hydraulic fittings are widely used in various range of applications. These are used to connect the hydraulic pipes or hoses to various types of components in the hydraulic system. This can allow the fluids to flow, changing their directions, divert or mix. These are capable of creating a tight seal between the pipes and preventing spillage from the lines.

How to Measure a Hydraulic Fitting?

The following are the types of hydraulic fittings that are widely used by various industries.

ORFS: (O-Ring Face Seal) these fittings have an O-Ring groove at a flat face of the fitting. This provides leakage free connection and is ideal for high-pressure applications. These fittings can be further divided into the following types.

•Straight ORFS fitting

•Elbow ORFS fitting

•Tee ORFS fitting

•Cross ORFS fitting

BSP: (British Standard Pipe) these fittings are having threads, which are used for sealing and interconnecting the pipes by joining male and female threads.

The ID/OD Calipers and Thread pitch gauge are the tools that are used in measuring the correct hydraulic fitting.

Finding the correct hydraulic fitting by the following steps, which have the right length, diameter, angle, and thread gauge.

•Determine the length of the hydraulic fitting by laying it on the table and then stretch your measuring tape across it.

•Then determine the outer diameter of the fitting by using calipers.

•Place the calipers on the outer side of the fitting and slowly open the jaws. So that the fitting rests are placed securely between them.

•Once it is fixed inside the jaws, close down the calipers so that both jaws are touched down at the exterior of the fittings.

•Check the number on the top of the scale and it will be the correct reading for the outside diameter.

What Type of Materials are Used in Hydraulic Coupling Manufacturer?

Hydraulic fittings are made up of various materials, which have the right strength and corrosion resistance in order to handle high-pressure hydraulic systems.

The following are some common materials used in the manufacturing of these hydraulic fittings.

•Carbon Steel: This kind of material is strong, durable, and maintains a higher resistance to heat. These types of fittings are of lower cost and are used in agricultural and industrial sectors to withstand high pressure.

•Steel: Steel Couplings are having the same strength and durability as carbon steel and also provide perfect corrosion resistance.

•Brass: It has a medium-strength level with decent corrosion resistance in low-pressure situations. These type of materials are not suitable for temperatures higher than 400 degrees as it becomes soft and loses their strength.

•Aluminum: This type of material is lightweight and has good corrosion resistance. It is used in low-pressure applications to improve their strengths.


From the above, you can get to know about the type of material and steps for measuring the hydraulic fittings. Now you can have deep knowledge in selecting the right fitting types in order to gain maximum efficiency.