Cowan Dynamics, based in Montreal, Quebec, recently announced 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 reliable actuation solutions in critical applications without compromising 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
For more information on Cowan’s product lineup visit: www.cowandynamics.com/sil-3