How do quarter-turn: scotch yoke valve actuators work?
Scotch yoke actuators use a sliding yoke mechanism to convert the linear motion of pistons into 90° rotary motion. This design delivers very high torque at the start and end of the stroke, making it ideal for difficult‑to‑operate valves and high‑pressure service.
Advantages of quarter-turn: scotch yoke valve actuators...
• Very high break‑out torque
• Well‑suited for large, high‑torque valves
• Robust for heavy‑duty applications
• Reliable in harsh environments
• Well‑suited for large, high‑torque valves
• Robust for heavy‑duty applications
• Reliable in harsh environments
Technical Parameters:
Pressure Ratings
Dependent on valve design - supports: PN10, PN16, PN25, PN40, PN63, PN100, CL150, CL300, CL600, CL900, CL1500, CL2500
Temperature Range
Typically –20 °C to +80 °C Extended‑temperature models: –40 °C to +120 °C (Valve limits may differ)
Size Range
Suitable for valves DN50–DN2000 (2″–80″)
Materials
Carbon steel housings, stainless steel shafts, alloy steels, corrosion‑resistant coatings
Industry Application:
EFW
Oil & Gas
Power
Media Type:
Water
Gas
Steam
Oil
Chemicals
