Scotch Yoke Actuator

Flowlink Valves & Controls offers a reliable pneumatic scotch yoke actuator for operating ball, butterfly, and plug valves, as well as louvers and dampers. Ideal for demanding SIL-required applications, it performs well in harsh environments and power-limited situations. Its modular design enhances efficiency, reduces wear, and extends life. The Tension-Lok™ device ensures safe spring module handling, while compliance with PED 2014/68/EU and IP66/IP67M standards offers excellent water and corrosion protection. Available in pneumatic, hydraulic, double-acting, spring return, and electro-hydraulic configurations, it supports various pressures, torque outputs, and temperatures, with options for manual override and control panels.

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Technical Specifications
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Technical Specifications

Power Source: Pneumatic

Product Type: Pneumatic Actuator

Actuation: Fail-Safe, Quarter-turn, Spring-Return, Double-Acting

Certifications: ATEX, PED, (CE), SIL capable, NACE,TRCU/EAC/GOST, SHELL DEP, ABS

Control Type: On/off

Valve Type: Ball, Butterfly, Plug, Triple Offset Valves, Other Quarter-Turn Devices

Operating Temperature: Standard range: -20°F to +200°F (-29°C to +93°C). Optional range: to -40°F (-40°C) or to +350°F (+177°C)

Torque/Thrust: Spring-return models in excess of 3,000,000 lbs-in (339,000 Nm), Double-acting 12,581 – 6,000,000 lbs-in (1420 – 678,000 Nm)

Operating Pressure: Up to 220 psig (14 Bar)

Operating Pressure: Pneumatic 40-220 psig (3-14 Bar), Hydraulic up to 5,000 psig (345 Bar)

Brands: Rotork, Bettis, CVS

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