|Type of Certificate||A-FS&CS Certificate|
|Certificate Holder||CKD Corporation|
|Product Category||Actuators > Valves|
|Subject||Residual Pressure Exhaust Valve with spool position detection|
|Type Designation||SNS series|
|Codes and Standards||
|Scope and Result||Safety Function: When the solenoid valve is de-energized, the spool moves to its fail-safe (exhaust) position by spring force.
The solenoid valves are suitable for use in a safety related systems in high demand mode.
The 1 station solenoid valves are suitable up to SIL 1 or PL c in Cat. 1.
The 2 station solenoid valves are suitable up to SIL 3 or PL d in Cat. 3 with DC low (In this case plausibility monitoring and sufficient diagnostic must be realized).
|Specific Provisions||The instructions of the associated Installation, Operating and Safety Manual shall be considered.|
|Certificate/Reg.-No.||Certificate Holder||Product Category||Product Tested||Type Designation||Details|
Remark: In case of missing entries this is due to restrictions by the certificate holder