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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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