Industrial Vacuum Tee Reducers & Tee Fittings

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Standard tees and reducer tees are convenient building blocks for any vacuum system, allowing the user to easily connect vacuum components or make branches in the vacuum line. Nor-Cal Products offers a comprehensive selection of tee configurations with flanged end terminations, including ISO-KF (NW), ISO-K, CF (Conflat), and ASA. 

We use only the highest-grade materials available to form our tee reducers to ensure you form tight, reliable connections. Our in-house, ISO 9001:2015-Certified manufacturing processes provide faster turnaround times at lower manufacturing costs on all tee fittings, including our popular 3T-NW-25B and 3T-NW-40H models.

Our engineering team can accommodate custom design needs!

For more information about Nor-Cal Products’ selection of reliable tee fittings or to obtain a quote, please request a custom quote or contact us today!

Industrial Vacuum Tee Reducers & Tee Fittings Features

  • 304 stainless steel construction
  • Common standard lengths
  • Custom designs possible – just ask us.
  • Full size or reducer tee configurations

ISO/ASA/CF Tee Reducers & Tee Fittings

As an industry leader in reliable, industrial vacuum system components for over 50 years, we have built a reputation for being a trusted tee fittings supplier for OEMs, and industrial and research end-users. Our tee fittings are constructed from 304 stainless steel for increased performance and are available in standard lengths from 1.15” to 3.15”.
We offer a wide selection of reducer tee configurations and customizations available upon request.

ISO-KF (NW) Tee Fittings:

Our ISO-KF (NW) reducer tees are constructed from a straight main vacuum line with one perpendicular smaller-diameter port. Our vacuum tees, including our frequently ordered 3T-NW-25B model, are made from 304 stainless steel.


  • Alternate materials and custom designs are possible
  • Full-size tees offer three flanged connections of equal size
  • Quick and easy to install

ISO-K / ISO-F Tee Fittings:

Nor-Cal’s durable ISO-K / ISO-F tees utilize stainless steel pulled port tubing and ISO-K flanges to form a reliable connection. Popular tee fitting models include the 3T-NW-40H tee fitting.


  • Installs with just single or double claw clamps
  • 304 stainless steel construction

ConFlat (CF) Tee Fittings:

ConFlat tee fittings rely on full metal sealing to form connections in your vacuum system. ConFlat tee fittings are available in standard lengths and diameters with customizations available upon request.


  • Easy to install
  • Compatible with Nor-Cal’s silver-plated CF bolt and fastener hardware

ASA Tee Fittings:

Nor-Cal manufactures its ASA vacuum tee fittings from 304 stainless steel pulled port tubing and ASA flanges. ASA tee fittings are easy to install using the appropriate O-ring seals, bolt and fastener kit from Nor-Cal.


  • Available in flat-flat or groove-flat configurations.
  • Full-size tees offer three flanged connections of equal size

Vacuum Tee Fittings Related Industries

With over 50 years of expertise in the vacuum science industry, Nor-Cal has remained committed to providing the highest quality vacuum components for OEMs and industrial and research end-users. We have gained a reputation for manufacturing precise tee fittings and vacuum components for various industries, including:
  • Semiconductor industry
  • Research laboratories
  • Energy and aerospace
  • Life and health sciences development

Why Choose Nor-Cal Products?

Nor-Cal Products, Inc. is dedicated to the continual improvement of our prototyped and manufactured goods through the implementation of a carefully planned quality management system. Our strong in-house capabilities support the quality of our components and services in a variety of areas, including Logistics, Manufacturing and Quality Assurance. We strive to meet our primary goal of 100% customer acceptance by manufacturing defect-free parts with on-time delivery, competitive pricing, and the best possible customer service.

Contact Us For Standard & Customized Tee Fittings

Request a custom quote or contact us online and let us find or customize the right tee fitting to meet your needs!

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