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Summary of Contents for Asco 8314 Series
- Page 1 I&M V 9629 R9 Solenoid Valves used in Safety Instrumented Systems Operating Manual in accordance with IEC 61508 ASCO Valves ® Page 1 of 7 ©ASCO, L.P. 160 Park Avenue, Florham Park, New Jersey 07932 www.asco.com E288862-10/15/2018 All Rights Reserved ...
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Page 2: Table Of Contents
Table of Contents I ntroduction ........................3 1.1 Terms and Abbreviations .....................3 1.2 Acronyms ........................3 Designing a Safety Instrumented Function using an ASCO Solenoid Valve....4 2.1 Safety Function ......................4 2.2 Environmental limits .....................4 2.3 Application limits ......................4 2.4 Design Verification .......................4 2.5 SIL Capability .......................5... -
Page 3: I Ntroduction
Introduction This Operating Manual provides the necessary information to design, install, verify and maintain a Safety Instrumented Function (SIF) utilizing an ASCO Solenoid Valve. This manual provides necessary requirements for meeting the IEC 61508 or IEC 61511 functional safety standards. -
Page 4: Safety Function
• The failure rate data listed the FMEDA report is only valid for the useful life time of an ASCO Solenoid. The failure rates will increase sometime after this time period. Reliability calculations based on the data listed in the FMEDA report for mission times beyond the lifetime may yield results that are too optimistic, i.e. -
Page 5: Sil Capability
This analysis must account for any hardware fault tolerance and architecture constraints. Installation and Commissioning 3.1 Installation • The ASCO Solenoid valve must be installed per standard installation practices outlined in the Installation Manual. • The environment must be checked to verify that environmental conditions do not exceed the ratings. -
Page 6: Response Time
Operation and Maintenance 4.1 Proof test without automatic testing The objective of proof testing is to detect failures within an ASCO Solenoid that are not detected by any automatic diagnostics of the system. Of main concern are undetected failures that prevent the safety instrumented function from performing its intended function. -
Page 7: Repair And Replacement
Any failures that are detected and that compromise functional safety should be reported to ASCO Valve. Please contact ASCO customer service. ASCO Solenoid Pilot Valves Covered Select ASCO valves from the following series have been evaluated per IEC 61508 parts 1 and 2 and covered under this document: ...
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