Welcome to GNB Corporation
Custom Vacuum Chambers and Valves

GNB has an over 40 year proven track record of manufacturing high quality, custom engineered vacuum solutions for the scientific, industrial, and research vacuum industry. As America's leading manufacturer of large vacuum chambers and valves, we also deliver a diverse range of high vacuum, and high temperature, products and services, including:

Engineering: GNB employs a full design staff using SolidWorks and AutoCAD	Multi-Coolant Baffles: Flange and Flangeless Designs
Chambers: Stainless Steel / Carbon Steel / Aluminum Types: Box, Cylindrical, Inline, Custom Design, ASME BPVC Section VIII, Division 1 standard or Built to Specs	Liquid NitrogenTraps: Grained or Electro Polished Finish, CFF, ISO or Special Flanges
Valves: Stainless Steel / Carbon Steel / Aluminum Types: Gate Valves, Slit Valves, Angle Valves and Pendulum Valves	Flanges and Fittings: Customized to your specific needs
Custom Valves: Designed to meet customer specifications	Throttle Plates: 2 Position Pneumatic, Throttling Pneumatic, Electric Servo Drive
Clean Room: Ideal for Valve Assembly Processes	Viewports: Full View Ports: 4-inch, 6-inch, 8-inch, 12-inch
Testing: GNB Test Facility includes Vacuum Leak Detection, RGA Scanning, High Vacuum Pumping, and Bake-Out Capability.	Additional Services – Repair and Rebuild of Vacuum Valves from any Manufacturer

We are a top US manufacturer offering full design vacuum engineering of custom, medium to large to extra large; water cooled, vacuum chambers and valves. Our engineering staff can design a custom product to meet your needs, or select from our standard designs. We have the expertise to build it right the first time, on time, and at competitive prices.
View our ISO Certification				Vacuum Units Converter Converts the common values used in vacuum systems
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