| Certificate/Reg.-No. | 968/V 1301.00/23 |
| Type of Certificate | A-FS&CS Certificate |
| Certificate Holder | Cameron, A Schlumberger Company |
| Manufacturer | Cameron, A Schlumberger Company |
| Product Category | Actuators > Valves |
| Subject | Hydraulic spring return actuators |
| Type Designation | MH70, MHCS70 MHW70, MHWCS70 MHQD & MHWQD |
| Codes and Standards |
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| Scope and Result | Safety Function: Take up safe position on demand by built-in spring and maintain valve bore pressure during and after actuator closure The actuators are suitable for use in a safety instrumented system up to SIL 2 (low demand mode). Under consideration of the minimum required hardware fault tolerance HFT = 1 for the complete final element the actuators may be used up to SIL 3. |
| Specific Provisions | The instructions of the associated Installation, Operating and Safety Manual shall be considered. |
| Valid Until | 2028-04-19 |
| Appendixes | n/a |
| Download Certificate | 968_V_1301_00_23_en_el.pdf |
| Certificate/Reg.-No. | Certificate Holder | Product Category | Product Tested | Type Designation | Details |
|---|
| 968/V 1301.00/23 | Cameron, A Schlumberger Company | Actuators → Valves | Hydraulic spring return actuators | MH70, MHCS70 MHW70, MHWCS70 MHQD & MHWQD | View Details | View PDF |
Remark: In case of missing entries this is due to restrictions by the certificate holder
