Drain plug assembly
Drain valve with flow control
Drainage valve unit
Draincock assembly
Drive device
Drive nut and torque plate assembly
Dual backseat valve assembly
Dual chamber orifice fitting plate support
Dual control actuator for valves
Dual rated live loaded packing system for a valve stem
Dual seal for shut-off valve
Dynamic double action valve
Dynamic metal-to-metal seal
Eccentrically displaceable sleeve type shut-off valve
Eccentrically rotatable sleeve valve
Eccentrically rotatable sleeve valve
Endoscope suction operating apparatus
Enhanced sealing arrangement for a rotary valve shaft
Exhaust flow control valve
Exhaust gas recirculation valve and method of producing...