Welcome to GNB Corporation

GNB has a proven track record of manufacturing high quality, reliable vacuum products since 1968. Although we are known primarily as America's leading manufacturer of large vacuum valves, we offer a diverse range of vacuum products and services, including:

• Gate valves • Liquid nitrogen traps
• Pendulum valves • Custom flanges and fittings
• Angle valves • View ports
• Vacuum chambers • Bellows
• Multi-coolant baffles • Throttle plates
• Repair and rebuild of valves from any manufacturer

Our engineering staff can design a custom product to meet your needs, or you can select one of our standard designs. We can also manufacture according to your drawings and specifications.



Ken Harrison, P.E.
President
GNB Corporation
 
 
Vacuum Valves
Vaccum Valves
 
Vacuum Chambers
Vaccum Chambers
 
Vacuum Accessories
Vacuum Accessories