Automatic pressurized reservoir bleed valve
Automatic proportioning fertilizer injector
Automatic reservoir bleed valve
Automatic separator valve
Automatic separator valve
Automatic valve drain
Automatic valving device
Automatic vent having a multi-hinged valve
Automatic wet tank drain valve
Automatic wet tank drain valve
Aviation fuel grade monitor
Ball valve
Beer foam reducing apparatus
Blowdown manifold evacuator for nuclear power plants
Breather assembly
Breather valve
Bubble trap for blood
Buffer box for use in a vacuum drainage system
Butterfly valve
Capillary valve for hydraulic systems