exida has announced that it has certified the design and engineering processes for RGS Electro-Pneumatics Ltd E*3 Series solenoid valves as suitable for applications up to and including SIL 3 per IEC 61508 Parts 1 and 2. RGS is a manufacturer of specialist solenoid valves and pneumatic products for the process control Industries. RGS submitted its 3/2 Pilot Operated and Direct Acting Solenoid Valves to exida for certification. exida assessed RGS’s development process through an audit, created a detailed safety case and performed a detailed Failure Modes, Effects, and Diagnostic Analysis (FMEDA). exida found that the products met the requirements of SIL 2, single use and SIL 3 for redundant use.
