Published

Cowan Dynamics Offers Linear and Rotary Actuators with up to a SIL 3 Safety Rating

The SIL 3 capable rating is designed to provide customers with reliable actuation solutions in critical applications without compromising their SIS.
#actuators #VMAnews

Share

The SIL 3 capable rating is designed to provide Cowan’s customers with reliable actuation solutions in critical applications without compromising their Safety Instrumented Systems (SIS – compliant with IEC 61511/ISA 84).

The SIL 3 capable rating was achieved by certifying the products to IEC 61508 and was obtained from Exida Certification Services after passing rigorous Failure Mode Effects Diagnostic Analysis (FMEDA).

Cowan Dynamics’ SIL 3 capable products include:

  • Scotch Yoke Actuator
  • CSY Series
  • Double-Acting Valve Actuator – A Series
  • Spring-Return Valve Actuator – AS Series
  • Control Valve Actuator – AT Series
  • A²A Booster – Dual-Stage High-Output Pneumatic Booster
  • Double-Acting Hydraulic Valve Actuator – ML Series
  • Hydraulic Spring-Return – MS Series

For more information, click here.

RELATED CONTENT

  • New Requirements for Actuator Sizing

    After decades of confusion, the American Water Works Association has created new standards for actuator sizing that clear up some of the confusion and also provide guidance on where safety factors need to be applied.

  • Ball Valve Coatings: Different Coats for Different Apps

    Coatings protect valves and actuators against wear, erosion, chemical attack and other forces that threaten their durability and effectiveness.

  • Actuator Issues? Use This Checklist!

    While there may be 40 reasons valve actuators may stop working, there really is only a handful of components that can cause the problems. So, if you have an actuator on the fritz, here are the five things you need to check.