Question: A final element assembly is being designed consisting of a solenoid valve, a pneumatic actuator, and a trunnion ball valve. The IEC 61508 certificate for

A final element assembly is being designed consisting of a solenoid valve, a pneumatic actuator, and a trunnion ball valve. The IEC 61508 certificate for the solenoid valve states that the product meets Route 2H requirements. The IEC 61508 certificate for the actuator states that the actuator meets Route 2H requirements. The IEC 61508 certificate for the ball valve indicates that the valve meets Route 2H requirements.

Does the assembly of these devices meet Route 2H requirements?

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