Obturator for ball valve
Obturator ring for butterfly valve
Off axis rotary valve
Offset butterfly valve
Oil valve devices for removing used oil from drain pans of vehic
Oilfield valve
Oilfield valve
Oilfield valve
On/off valve for a paintball gun
One-piece sanitary seat ring
Opposed blade balanced damper
Outflow valve butterfly plate retention pin
Outlet nozzle for heating and venting systems of automobiles