WE SPECIALIZE IN

Vacuum Valves, Angle Valves, Ball Valves, Vacuum Chambers, & Vacuum Hardware Accessories, including:
KF Flanges, ISO Flanges and Fittings.

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VACUUM UNITS
CONVERTER

INSTANT VACUUM
CHAMBER QUOTE

BEST QUALITY, HUGE STOCK, GREAT PRICES: WOW!

Below are some of our high-vacuum products.

Valve

VALVES

Chambers

CHAMBERS

FLANGES & FITTINGS

FLANGES &
FITTINGS

CYRO PRODUCTS

Cryo
PRODUCTS

ACCESSORIES

ACCESSORIES

TUBING

TUBING

FLANGES & FITTINGS

HIGH PURITY

pumps and leak DETECTORS

pumps and
leak DETECTORS

About GNB Group

ABOUT GNB GROUP

GNB is a world class manufacturer of vacuum hardware including vacuum chambers, vacuum valves and vacuum components. With ISO-9000 and ASME U-stamp certifications, GNB is a market leader for high-technology vacuum products. The company serves many industries such as semiconductors, science, research, furnaces, pressure vessels, space exploration, medical systems, cancer treatment, vacuum deposition coating systems, flat panel displays, direct manufacturing, solar panels and metallurgical processing.

Since Gary N. Burnett started the company in 1968, vacuum engineering has become the hallmark of GNB’s success. GNB’s proprietary designs for gate valves, angle valves, ball valves, vacuum chambers, ASME pressure vessels, high temperature valves, and multi-coolant baffles are highly touted by customers.

In 2016, the GNB Corporation became a subsidiary of the KL Group, based in Taiwan. This has allowed GNB to become a supplier of a large variety of vacuum hardware components such as: KF flanges, CF flanges, ISO flanges, ASA flanges, gas line components, high purity tubing, viewports, gas line heaters and bubblers.

From the simplest vacuum flange to the most complex vacuum vessel, GNB is the go-to organization for a complete range a vacuum hardware items.

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RECENT BLOGS

GNB specializes in large OD vacuum weldments

GNB specializes in large OD vacuum weldments

GNB is proud to offer outstanding vacuum products and support that meets the demands of your vacuum technology needs. Many companies provide weldments for vacuum tubing and gas line applications, and the KL group has excellent capabilities to design and manufacture...

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VACUUM PRODUCT CATALOG

GNB has a proven track record of manufacturing high quality, custom engineered vacuum solutions for over 50 years. As the leading manufacturer of large vacuum chambers and vacuum products and accessories in the USA, we also deliver a diverse range of high vacuum, and high temperature, products and services.

Catalogue image

VACUUM PRODUCT CATALOGS

Catalogue image
GNB has a proven track record of manufacturing high quality, custom engineered vacuum solutions for over 50 years. As the leading manufacturer of large vacuum chambers and vacuum products and accessories in the USA, we also deliver a diverse range of high vacuum, and high temperature, products and services.

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Contact us with any questions and we will get back to you as soon as possible!