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General| Series | 551 |
|---|---|
| Protection Class | IP65 |
| Media | Air, Inert Gas |
| Body Material | Aluminium |
| Ambient Temperature | -20°C to 60°C |
| Voltage | 24 VDC, 120 VAC |
Defines key terms and abbreviations used in the manual for safety functions.
Lists and defines acronyms relevant to safety instrumented systems and valves.
Explains the basic safety function of ASCO solenoid pilot valves in SIFs.
Covers product environmental and application limits, focusing on compatibility and conditions.
Outlines methods for verifying SIF design, including FMEDA reports and calculations.
States the SIL capability of ASCO solenoid valves and requirements for use.
Addresses systematic integrity requirements and random integrity for devices.
Provides guidelines for installing ASCO solenoid valves, including environmental checks and filtration.
Discusses factors affecting solenoid pilot valve response time and user responsibility.
Details the objective and procedure for proof testing to detect solenoid failures.
Explains automatic testing methods for detecting solenoid valve failure modes.
Advises on useful lifetime, preventative maintenance, and reporting failures to ASCO.
Provides revision history and release status of the document.
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