Calibration Fittings

Hy-Lok USA, Inc. calibration fittings allow quick access to various differential pressure (DP) transmitters for calibration both in the field and in the shop.

These fittings are engineered to save the user money as well as time. It speeds up the process making it much faster than the traditional time required for calibrating differential pressure transmitters. These 316 stainless steel fittings use a straight thread design, along with a metal-to-metal surface on one end and a tube fitting at the other.

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Calibration Fitting Design

This particular design enables the easy calibration of the transmitter while the pipe plug or bleed port tap assembly can remain in place. The reliable design is also effective in extending the life cycle, so you don’t have to worry about frequent replacement of the fittings. These calibration fittings were designed with value and results in mind. Just like our other products, these fittings are suitable in a multitude of settings.

Whether you are looking for traditional sizing or a custom order design, we have the ability to create the calibration fittings that your company needs. These products are well made so they can consistently provide high-quality service and dependability so they don’t require excessive replacement. Instead, you get equipment that lasts and provides the desired results. The valve extending life cycle is also prolonged by these high-quality calibration fittings.

When it comes to calibration fittings, you can depend on the design and structure of Hy-Lok USA’s 316 stainless steel calibration fittings. These fittings offer quick access for transmitter calibration, have straight threads that eliminate galling and lower costs while saving you time and trouble. These fittings were designed so you can perform your job accurately and efficiently. 

For additional information or help in selecting the calibration fittings that will serve your needs, contact one of our representatives today. We will help you throughout the process to ensure you make the appropriate selections for your project.

Standard body material is 316 stainless steel, available in 1/4″ tube connection to 1/4-28UNF or 5/16-24UNF thread.


If you have any questions about any of our products or services, don’t hesitate to give us a call. For any inquiries, fill out the form and one of our Hy-Lok representative will contact you soon.


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