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Problem Solvers with an Expertise
in Instrumentation Fittings

The Leader in Patented VCR-Fittings Technology

Hy-Tech Fittings in Potomac, Maryland, manufactures Semi-Conductor Hi-Purity Gas Supplies, a line of components perfect for instrumentation size fittings and components servicing. We distribute our patented products worldwide, and we make sure to always keep them in stock.

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Hy-Tech Fittings has been designing VCR fittings for the semi-conductor industry since the 1980s. We offer innovative technologies and cost-effective designs to improve your equipment.

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Semi-Conductor Hi-Purity Gas Supplies is our brand of quality fittings and items. We offer anti-torque rings, grooved gaskets, shipping caps, and more.

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Call us today to learn about our exclusive line of products for your  gasket and valve needs.
Call (855) 351-0686

About Us

Hy-Tech Fittings in Potomac, Maryland, was established in 1985. With more than 60 years of combined experience, we're the trusted team you need to solve your semi-conductor and instrumentation fitting problems. We always have what you need in stock to get you back on track as fast as possible. Expect an immediate response every time you contact us. We take pride in working closely with you to make sure you get exactly what you want.

At Hy-Tech Fittings, we stand behind our products and our word. Our mini-weld fittings were used by NASA in the propulsion systems of astronaut backpacks. Nightline™ with Ted Koppel featured our gas control panel, which uses Circle-Seal needle valves. In the late summer of 2012, our anti-torque ring designs landed on Mars with the Mars Science Laboratory that deployed the Curiosity rover. Our patented minimum dead volume fitting, which is used in approximately 50% of the world's Integrated Gas Systems designs used to supply ultra-high purity gases in the semi-conductor industry. Additionally, a description of our recycle program appeared in Applied Materials magazine.


Thank you for your interest. For questions or comments, please use the information listed here. We look forward to hearing from you soon.

(855) 351-0686

Hours of Operation
Monday – Friday: 8:30 a.m. – 5:30 p.m.

Service Area
Serving Customers Worldwide