Heavy Duty Actuator by Omal - available in Spring Return Normally Open (NO) or Normally Closed (NC) and Double Acting. Torque from 2000 Nm to 30,000 Nm. ATEX and SIL3 certified. Scotch yoke system with rolling friction. Flange according to DIN / ISO 5211, DIN 3337. Air supply pressure from 3bar up to 8.5bar. Standard temperature range from -20C to +80C, high temperature range from -20C to +150.