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WE SPECIALIZE IN

Vacuum Valves, Angle Valves, Ball Valves, Vacuum Chambers, Ultra High Vacuum Chambers, & Vacuum Hardware Accessories, including:
KF Flanges, CF 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

We offer a variety of vacuum system components, vacuum fittings, and vacuum valves. Our long list of vacuum isolation valves, vacuum gate valves, vacuum angle valves, vacuum poppet valves, vacuum slit valves, vacuum water-cooled valves, and vacuum throttling valves are complemented by a complete line of vacuum adapters, vacuum hoses, vacuum feedthroughs, vacuum nipples, and vacuum flanges (ISO, ANSI, ASA, JIS, ConFlat, CF, KF, and NW). Our vacuum valves work reliably without vacuum lubricants, vacuum greases, and vacuum sealants.

Chambers

CHAMBERS

We offer customizable vacuum chamber options as well as a wide range of standard vacuum chambers. Our vacuum chambers offer controlled vacuum environments and are utilized in a variety of tasks, including, but not limited to degassing, environmental testing, vacuum atmosphere simulations, semiconductor processing, vacuum heat treatment, leak testing, ingot and crystal growing, drying, distillation, gravity determination, cyclotrons, synchrotrons, hyperloop transportation, linear accelerators, permeability testing, and vacuum coating systems.

FLANGES & FITTINGS

FLANGES &
FITTINGS

We manufacture a variety of vacuum flange components and flanges such as vacuum hoses, vacuum feedthroughs, vacuum nipples, vacuum flanges (ISO, ANSI, ASA, JIS, ConFlat, CF, KF, and NW), crosses, centering rings, copper gaskets, nipples, half-nipples, tees, elbows, viewports, flex bellows, metal hose, and more. We also sell vacuum gaskets, vacuum tube fittings, vacuum hardware, vacuum o-ring gaskets, vacuum plate nuts, vacuum bolts, vacuum adapters, and more. Many of these products are in stock and ready to ship.

CYRO PRODUCTS

CRYO PRODUCTS

We offer a variety of cryo products, including Meisner coils, cryo-coils, cryo panels, liquid nitrogen traps, multi-coolant baffles, vacuum baffles, and more. You can use our cryo products in systems designed for water, liquid nitrogen, liquid helium or cryo-compressor coolants.

ACCESSORIES

ACCESSORIES

We have various high vacuum accessories available that can be used such as electrical feedthroughs, foreline traps, vacuum valves, viewports, stroboscopes, selenium traps, vacuum tubing, sanitary tubing, sanitary fittings and oil traps. If you are looking for commercial fittings, bends, or tubing, we likely have what you are looking for.

TUBING

TUBING

Our vacuum tubing meets BPE, sanitary and ASME requirements. It can be used in high-purity and corrosive atmospheres, various temperatures, and a multitude of chemicals. It can be utilized with vacuum condensers, vacuum pumps, vacuum traps and vacuum pressure pumps.

FLANGES & FITTINGS

HIGH PURITY

GNB manufactures a wide selection of high purity pumps, tubing, fittings, and adapters that can handle harsh environments and still provide accurate and reliable results.

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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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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