PR series
The established rack-and-pinion design of our PR series actuators ensures a durable and reliable application in continuous operation even under the toughest conditions and has been the key to process reliability for decades.
Series size
20 actuator sizes
Construction principle
Pneumatic double-piston rotary actuator in rack&pinion-design with self-centering
pistons; double- and single-acting execution
Nominal rotation angle
90° resp. 180°
Adjustable in both end positions +/-5°
Serial stroke adjustment for switched position up to -20° (optional 100% stroke adjustment)
Torque range
Double-acting up to 13,000Nm
Single-acting up to 4,200Nm
Temperature range
Standard:
-20°C to +80°C
High temperature:
-10°C to +150°C
Low temperature:
-40°C to +80°C
Control pressure
2,5 to 8 bar
Standards
ISO 5211, VDI/VDE 3845 resp. NAMUR
Materials
Housing: Aluminium, powder-coated
Caps: Aluminium, powder-coated
Piston: Aluminum
Pinion: Carbon steel, nickel plated
Bearings: POM
Sealings: Standard: NBR optional: HNBR/FP Screws: Stainless steel
