Etkinlik

Actuator factory MEWAY heavy duty scotch yoke actuator,
High performance scotch yoke actuator
The MEWAY scotch yoke actuator is designed for use with quarter turn valves in both modulating control and on-off service. The actuator’s robust design ensures a long life in harsh environments due to unique features such as its internal tie-rod mechanism. This heavy duty actuator has all major approvals to meet industry standards and customer process requirements.
Benefits
Features
鈼廠uitable for on/off, modulating and control valve applications in general service, protective service and safety applications eg. ESD or HIPPS
鈼廌uctile cast iron center body, fabricated carbon steel power and spring module provides rugged actuator construction. Alternative materials available upon request
鈼廠uitable for safety integrated systems up to and including SIL 3 accordance with IEC 61508.
鈼廡he vent valve has built in non-return function for IP67
鈼廠econdary vent valve function is to detect leakages in the rod seal area of pneumatic cylinder
鈼廠prings are non buckling, lifetime lubricated and epoxy coated
鈼廈all bearing, flexi joint and the hardened yoke thrust pin bearing are all incorporated into the actuator for longer life time, smoother operation
APPLICATIONS
鈼廍mergency shutdown
鈼廋ompressor anti-surge
鈼廐igh cycle control and on-off applications
鈼廐igh precision control
Specifications
Type: Pneumatic piston type quarter turn actuator
Spring return or double acting versions
Supply medium: Air, natural gas (sweet), nitrogen
Design pressure: 12 barg (pressure retaining parts)
Torque range: 25 Nm – 176000 Nm
Temperature ranges: -20 掳C … +80 掳C normal, -20掳…+125 掳C high
Protection class: IP67 (IEC 60529)
ATEX class: Ex 2G IIC T6 / Ex 2D IIC T80C
Mounting face: ISO 5211, VDI/VDE 3845Actuator factory