ROT8R - D Series, Ductile Iron Valve Actuators

D Series

8 Quarter Warranty

Ready to go when you are

Significant Weight Savings

Balanced Weight reduce side loading on the valve stem, increase safety during installation and maintenance.

Adapters To Fit All Valve Types Mounting patterns available to directly replace other actuators.

Identical Top To Bottom Mounting patterns and shaft drive exist on both sides. NAMUR accessories may be moved to opposite side.

ROT8R - Field Reversible

ROT8R - Materials of Construction

 Mechanism  Ductile Iron
 Housing  Ductile Iron
 Cylinders  Amalga Composite
 Optional: 316 Stainless Steel or Aluminum
 Pistons  Ductile Iron
 Springs  Powder Coated Chrome-Silicon Steel
 Seals   BUNA
 Optional: Viton, Silicon










 ROT8R Cylinder options

ROT8R D-Series Actuator
Torques to 500,000 in-lb (56,500 Nm)
Pressure to suit size
Temperatures from -20°F to +185°F (-28°C to +85°C)


What is better than stainless?Amalgon®

Pneumatic Cylinder Tubing – The Alternative to Metal

 Amalgon - ROT8r Cylinders

Constructed of fiber reinforced thermoset epoxy matrix, Amalgon has an inner surface of evenly dispersed low friction additives.

The results:  A light weight, high strength, corrosion resistant composite material which replaces stainless steel or carbon steel cylinders.

  • 75% Reduction in Weight
  • Superior Corrosion Resistance
  • Reduced Maintenance Costs
  • Smooth Finished Surface
  • Shape Stability and Impact Resistance
  • Excellent Thermal Stability
  • Non-Magnetic Material






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