Gate valve
Gate valve
Gate valve
Gate valve
Gate valve
Gate valve
Gate valve
Gate valve apparatus for vacuum processing system
Gate valve apparatus of vacuum processing system
Gate valve for vacuum processing apparatus
Gate valve having a secondary seal
Gate valve having a secondary seal
Gate valve structure
Gate valve with magnetic closure for use with vacuum equipment
Gate valve with slideable closure expandable upon oscillation
Geared ball valve
Globe valve construction
Guide arrangement for expanding gate valves
Guillotine damper
Half-turn valve