SIL SAFETY
GUIDE
Valtek Mark Series Control Valves
High
Performance
Globe and Angle Valves
FCD
VLENIM0001-01
07.07
FCD FCAIM0100-01 FCD
VLAIM003-03
FCD VLAIM006
FCD VLENIM0036-04
Page 1: ...SIL SAFETY GUIDE Valtek Mark Series Control Valves High Performance Globe and Angle Valves FCD VLENIM0001 01 07 07 FCD FCAIM0100 01 FCD VLAIM003 03 FCD VLAIM006 FCD VLENIM0036 04 ...
Page 2: ...l limits 5 3 3 Application limits 5 3 4 Design Verification 6 3 5 SIL Capability 6 3 6 Connection of the Mark Series valve to the SIS Logic solver 6 3 7 General Requirements 7 4 Installation and Commissioning 9 4 1 Installation 9 4 2 Physical Location and Placement 9 4 3 Pneumatic Connections 9 5 Operation and Maintenance 9 5 1 Proof test without automatic testing 9 5 2 Proof test with automatic p...
Page 3: ...ieved by safety related systems Fail Safe State State where solenoid valve is de energized and spring is extended Fail Safe Failure that causes the valve to go to the defined fail safe state without a demand from the process Fail Dangerous Failure that does not respond to a demand from the process i e being unable to go to the defined fail safe state Fail Dangerous Undetected Failure that is dange...
Page 4: ...s the lowest SIS Safety Instrumented System Implementation of one or more Safety Instrumented Functions A SIS is composed of any combination of sensor s logic solver s and final element s 1 3 Product Support Please refer to the back cover for your regional Flowserve contact details 1 4 Related Literature Hardware Documents Valtek Mark Series Control Valve Installation Operation and Maintenance Ins...
Page 5: ... and angle design specifically for cryogenic applications requiring a cold box extension Survivor FCD VLENIM0036 04 a sweep angle type control valve uniquely designed for use in erosive corrosive and flashing applications 3 Designing a Safety Instrumented Function using a Flowserve Valtek Mark Series Valve 3 1 Safety Function When de energized the Mark Series valve moves to its fail safe position ...
Page 6: ... not be achieved 3 5 SIL Capability 3 5 1 Systematic Integrity The product has met manufacturer design process requirements of Safety Integrity Level SIL 3 These are intended to achieve sufficient integrity against systematic errors of design by the manufacturer A Safety Instrumented Function SIF designed with this product must not be used at a SIL level higher than the statement without prior use...
Page 7: ...ore process start up User shall verify that the Mark Series valve is suitable for use in safety applications by confirming the Mark Series valve s nameplate is properly marked Personnel performing maintenance and testing on the Mark Series valve shall be competent to do so Results from the proof tests shall be recorded and reviewed periodically The useful life of the Mark Series valve is discussed...
Page 8: ...7 2 24 103 1 99 9 9 1 8 6 100 1 4 inch tubing 200 3 8 inch tubing 300 3 8 inch tubing Actuator Size sq in Stroke inches Estimated Stroking Speeds 1 Without Boosters With Boosters 25 1 4 inch tubing 50 1 4 inch tubing NOTE Data is based on tests with boosters connected to the top and bottom ports of a spring cylinder actuator with a fail close standard spring and Beta positioner with I P module cal...
Page 9: ...tainless steel tubing The length of tubing between the Mark Series valve and the control device such as a solenoid valve shall be kept as short as possible and free of kinks Only dry instrument air filtered to 50 micron level or better shall be used The process air pressure shall meet the requirements set forth in the installation manual The process air capacity shall be sufficient to move the val...
Page 10: ...t performed with Flowserve OEM parts and serviced by a competent person 5 4 Useful Life for Mark Series Safety Valve The useful life of the Mark Series valve is 10 000 cycles 5 5 Flowserve Notification Any failures that are detected and that compromise functional safety should be reported to Flowserve In case of failure please refer to the back cover and contact your regional Flowserve customer se...
Page 11: ...ign formally reviewed and suitability formally assessed Implementation Physical location appropriate Pneumatic connections appropriate and according to applicable codes SIS logic solver valve actuation test implemented Maintenance instructions for proof test released Verification and test plan released Implementation formally reviewed and suitability formally assessed Verification and Testing Elec...
Page 12: ...NOTES ...
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