Search results with tag "Pneu matic"
Valtek Beta Positioners for Control Valves
www.flowserve.comReturn Spring Cam Hole B Installation The installation section of this bulletin details how to install the positioner on linear and rotary actuators. Reversing the air action on linear and rotary actuators is also covered along with an explanation of how to con-vert the positioner from an I/P to pneumatic or pneu-matic to I/P control signal.
Chapter 11: Valves and Actuators with the NAMUR-interface
www.hafner-pneumatik.comDirectional control valve for control of pneuma tic rotary actuators. Further important elements can be: • Switch-box to feed the position of the process valve back to a central command, • Manual override – clutch for emergencies or • Positioner, replacing the switch -box and mostly including the control valve. 2. Pneumatic rotary actuators
Wave Energy Technology Brief
www.irena.orgused t o convert wave ener gy into pneuma tic/mechanical ener gy (rotation/ translation), their po wer systems (air turbines, h ydraulic turbines, h ydraulic engines ), their s truc tures (fixed, floating, submer ged), and their positioning within the ocean (shoreline, near shore, off shore).