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
ML Series – 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.
For more information on Cowan’s product lineup visit: www.cowandynamics.com/sil-3