Vacuum Fabrication & Engineering Valves:0.5 to 144inch ports. Slit, Gate, Poppet, Custom, and integrated chamber or component Chambers:Box, Cylindrical, Batch, In-line Components: Baffles, Shrouds, Traps, Throttle

Plates, Bellows, Viewports, Base Plates, Spool Pieces, Nipples & Manifolds Options: SST, Mild Steel, Water or multi-coolant, Protective Metal Guard-Ring, Ports Integrated Components:Load-Lock Chambers with Valves, and Valves with Traps

vacuum valves, valve, valves, gate valve, chamber valve, angle valve, pendulum valve, poppet valve, valve repairs, valve rebuilding, slit valve, rectangular valve, pmg, apeture, temperature, high, bellows, flanges, traps, elbows, tees, gnb, gnbvalves, coporation

gnb corporation designs and manufactures vacuum gate valves, angle valves, chambers and accessory components for the worldwide scientific and industrial vacuum markets.