Laminated type piezoelectric apparatus
Latching coil valve
Latching solenoid valve
Latching valve for a torque-transmitting mechanism in a...
Lever drive for a cryogenic valve
Lever-amplified actuating means for valves and other devices
Lift valve with pressure balanced pilot operated valve member
Lift-turn valve and actuator assembly
Linear fluidic actuator
Linkage locking device
Lip seal for piston-type flushometer
Liquid control valve assembly with local damping and hydraulical
Liquid distribution valve
Liquid flow control valve
Liquid metering valve
Lock open mechanism for subsurface safety valve
Locking mechanism for an actuator
Lockout valve
Logic valve
Low current electro-hydraulic metering module