PRY series
Pneumatic and hydraulic actuators of the PRY series in Scotch-Yoke design offer users the highest torques combined with maximum functional and operational safety. The principle of the Scotch-Yoke actuators has established itself worldwide as the most reliable technology for high torque requirements under toughest conditions.
Every PRY actuator is built for long and efficient use with minimum maintenance. The design, technology and materials used ensure optimum performance even under the most difficult circumstances.
Sizes
6 central modules and a wide range of pneumatic and spring modules
Construction principle
Pneumatic heavy-duty rotary actuator in Scotch-Yoke design; double- and single-acting version
Control pressure
3 to 10bar
(depending on the actuator version, check typelabel!)
Temperature range
Standard: -20°C … 80°C
Low temperature: -40°C to +80°C
High temperature: -10°C to +150°C
Nominal rotation angle
90°
Torque range
Double-acting up to 240,000Nm
Single-acting up to 110,000Nm
Standards
Interface actuator/control-unit:
- VDI/VDE 3845 (NAMUR)
Interface actuator/control media supply:
- G- or NPT-Thread
Interface actuator/valve
- ISO 5211
Materials
Center module
Center body, Yoke: Ductile iron
Drive mechanism: Alloy steel
Spring module
Spring body: Carbon steel
Spring seat: Carbon steel
Spring stem: Alloy steel
Spring: Spring steel
Pneumatic module
Cylinder body: Carbon steel
Cylinder cap: Ductile iron
Cylinder seat: Ductile iron
Guide ring: Resin
Standard parts: Carbon steel
Brochure PRY series