Oil-flow regulator for vacuum pumps in milking systems
Oil-storing device for a bike saucer-brake
Oil/water pipeline inlet with oil supply via a large chamber
Oilfield tubing reel and reel assembly
On demand sensor flush valve
On-board fuel inerting system
On-board refueling system for vehicles
On-board refueling vapor recovery system with vent line...
On-demand zone valve recirculation system
On-line sensor for colloidal substances
On-off control for a paintball gun
On-off dump valve
On-off switch structure of a gas tank
On-off valve, particularly for insulation by-pass of exhaust...
On-off valves and pressure regulators for high-pressure fluids
On/off bidirectional valve
On/off circuit for a hydraulic system
One shot valve
One shot valve for operating down-hole well working and...
One way air admittance valve