WE SPECIALIZE IN
Vacuum Valves, Angle Valves, Ball Valves, Vacuum Chambers, & Vacuum Hardware Accessories, including:
KF Flanges, ISO Flanges and Fittings.
VACUUM UNITS
CONVERTER
INSTANT VACUUM
CHAMBER QUOTE
BEST QUALITY, HUGE STOCK, GREAT PRICES: WOW!
Below are some of our high-vacuum products.
VALVES
CHAMBERS
FLANGES &
FITTINGS
Cryo
PRODUCTS
ACCESSORIES
TUBING
HIGH PURITY
pumps and
leak DETECTORS
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.
LATEST VIDEOS
RECENT BLOGS
Vacuum Market Forecast: What’s in store for 2022?
We do our best to always have our finger on the pulse of the customer and the vacuum industry. Looking forward to 2022, in the economic forecast, we can expect a swelling of manufacturing job openings. In the United States, manufacturing job postings reached a new...
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...
The advantage and power of vacuum in direct manufacturing
Thanks to direct manufacturing, we can conserve a lot of material that once went to waste during machining. Often, a lot of material is turned into machining chips and those are thrown away. That is not the case when vacuum is used for direct manufacturing of metal...
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.
VACUUM PRODUCT CATALOGS