SIL 3 Capable Linear Valve Actuators

Cowan Dynamics announces the availability of linear hydraulic and pneumatic actuators with up to a SIL 3 safety rating. The SIL 3 capable rating is designed to provide our customers 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:

  • A Series – Double-Acting Pneumatic Valve Actuator
  • AS Series – Spring-Return Pneumatic Valve Actuator
  • AT Series – Pneumatic Control Valve Actuator
  • A2A Series  – Pneumatic Pressure Booster
  • CSY Series  – Pneumatic Rotary Actuator
  • ML Series – Double-Acting Hydraulic Valve Actuator
  • MS Series – Spring-Return Hydraulic Valve Actuator

Products certified to SIL3 capability are, on request, supplied with copies of the Exida certification, which contains all the information that engineers and designers need to calculate the safety integrity level of their complete system, based on its component parts.

Click here for more information on Cowan’s product lineup   SIL 3 Capable

Written by Cowan Dynamics

January 6, 2016

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