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Do you know how to measure hydraulic fittings?

2025-10-29 7 min read

How to Measure Hydraulic FittingsNingBo NJ Hydraulic Adapter Co Ltd is here with some information on measuring various types of hydraulic hose ends, read this article! And can you accurately measure them? That’s why this is important to get right, if you want to ensure your hydraulic system works as it should. We’re just going to dive right in, with the basics AND our "guides" for how to measure Hydraulic Fittings correctly and what not look out for, or why even measuring them wrong or not at all.

The basics

Hydraulic fittings are used to connect a variety of components in hydraulic *systems. They come in many sizes and shapes, so measure your feet properly for a good fit.

To measure hydraulic fittings correctly

  1. Caliper: A caliperis a measuring device to measure the outside size of anobject. Make certain to measure your fittings OD, as well as its thread size.

  2. Count the threads: Threads are the ridges on your fitting that make it possible to turn it into another part. If you know the number of threads per inch, you can determine the proper size of the fitting.

  3. Measure your gauge twice: I’ve never regretted measuring a fitting at least two times, just to be sure. Things can get REAL bad with your hydraulics over small things.

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Here are a few common mistakes to avoid when measuring hydraulic fittings

  1. Ignoring the type of thread: Hydraulic fittings can have different types of threads like NPT, BSP or JIC. Just be sure to know the correct thread type when measuring as that is something you don’t want to have ordered the wrong fitting.

  2. It’s not the right material: Quality Hydraulic Fittings can be made of various materials, including steel, brass or aluminum. Please refer to the measurement to choose the suitable size, and select one or two larger sizes.

  3. Using incorrect Tools : When checking hydraulic fittings, one needs to be very precise so it’s important that you have the perfect tool. Avoid makeshift tools that can lead to wrong readings.

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The importance of measuring things right in Hydraulics

Accuracy is key in hydraulics, for this reason everything has to match. Leakage, loss of pressure and system failure can result from improper fitting size. When it comes to hydraulic fittings, however, you can prevent those issues by making sure proper measurements are taken.

Learning how to measure hydraulic fittings like a pro

It takes practice to become a pro at measuring hydraulic fittings. Take the time to learn about the different types of fitting styles, sizes and dimensions. Planning: As long as you stay organized and your tools are in good shape, you’ll get accurate measurements. And of course, when uncertain, either ask for help or ask the know-how.

In summary, make sure to measure your Premium Hydraulic Fittings accurately in order for your system to work properly. When you apply these above tips and avoid common mistakes, then you can ensure that your fitting fits right and your system runs sleek. Remember practice makes perfect, so keep practising and becoming more and more proficient at weighting up hydraulic fittings. When and if you need some hydraulic fittings, then look no further and ease in to NingBo NJ Hydraulic Adapter Co., Ltd for your hydraulic system.

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Founded in 2004, NingBo NJ Hydraulic Adapter Co., Ltd specializes in manufacturing hydraulic fittings, hydraulic adapters, hose fittings, split flange kits, flange adapters, flanges, reusable hose fittings, ferrules, caps and plugs and so on, then sell to worldwide, especially North America, South America, Australia, Germany, UK. Our history of collaboration with our customers for specially designed hydraulic applications, has established NJ as an industry-preferred source for customer-specific manufactured adapters. We are proud to serve major markets including: construction, agriculture, mining, industrial equipment and more. All NJ fittings are manufactured to the highest standards, meeting S.A.E./BRITISH/EATON/DIN and INTERNATIONAL specifications. We control our own manufacturing both domestically and overseas. NJ has a strong inventory reserve, more than 20,000 warehouse has more than 25,000 series and sizes of fittings, far more than the competitors twice as much. From the time we receive your order until it arrives at your facility, we're committed to meeting your deadlines and delivery requirements. Our goal is to provide your fittings as fast as possible — when and where you need them — which also helps you keep your inventories and freight costs low. Whether you have an emergency or an ongoing need, send us an email. We deliver the fittings you want, along with the high quality, best after-sales service and competitive price you deserve.

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