Grifco’s range of Heavy Duty (HD) Operators are designed for large Spring-Balanced Roller Shutter Doors up to 80m2.
High Cycle rated with a choice of controls; Standard Reversing Starter or Grifco Mechanical Logic Control (GLM6 and GLM6L). Options include: solenoid brake, water-resistant (IP55) or explosion proof rated for hazardous zones (ExD and DIP).