Neles™ Heavy Duty Scotch Yoke Actuator, Series N1

Neles™ Heavy Duty Scotch Yoke Actuator, Series N1

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High performance scotch yoke actuator

Specification

Features

Features

  • Suitable for on/off, modulating and control valve applications in general service, protective service and safety applications eg. ESD or HIPPS
  • Ductile cast iron center body, fabricated carbon steel power and spring module provides rugged actuator construction. Alternative materials available upon request
  • Suitable for safety integrated systems up to and including SIL 3 accordance with IEC 61508.
  • The vent valve has built in non-return function for IP67
  • Secondary vent valve function is to detect leakages in the rod seal area of pneumatic cylinder
  • Springs are non buckling, lifetime lubricated and epoxy coated
  • Ball bearing, flexi joint and the hardened yoke thrust pin bearing are all incorporated into the actuator for longer life time, smoother operation

 

Applications

  • Emergency shutdown
  • Compressor anti-surge
  • High cycle control and on-off applications
  • High precision control

Specifications

Type: Pneumatic piston type quarter turn actuator
Spring return or double acting versions
Supply medium: Air, natural gas (sweet), nitrogen
Torque range: 25 Nm – 218765 Nm @ 4 bar, max up to 700000 Nm
Temperature ranges: -20 … +80 °C normal, -20…+125 °C high
Protection class: IP66M/IP67M (IEC 60529)
ATEX class: Ex 2G IIC T6 / Ex 2D IIC T80C
Mounting face: ISO 5211, VDI/VDE 3845

Benefits

Specifications

SERIES
DESIGN
SIZE RANGE
PRESSURE CLASSES
TEMPERATURE RANGE

Content Box

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