PRD series
The established rack-and-pinion design of our PRD 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
17 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°, 120°, 180° resp. 240°
Adjustable in one end position +/-5° (optional 100% stroke adjustment)
Version BE: Adjustable in both end positions
Torque range
Double-acting up to 6400Nm
Single-acting up to 2178Nm
Temperature range
Standard:
-50°C to +70°C (NBR)
High temperature:
-15°C to +160°C (Viton)
Extended temperature:
-60°C to +200°C (Silicone)
Control pressure
2 to 8 bar
Standards
ISO 5211, VDI/VDE 3845 resp. NAMUR
Materials
Housing: Anodised aluminum ASTM 6083, UNI 4522
Caps: Aluminum UNI 5076, epoxy resin coated
Piston: Aluminum UNI 5076
Pinion: Steel, nickel-plated (optional: stainless steel)
Bearings: POM
Sealings: NBR, optional: FKM or silicone
Brochure PRD series
