Fisher ES Safety Manual Download Page 1 | Manualshive

Page: 1 / 12

Fisher ES Safety Manual Download Page 1

www.Fisher.com

SIL Safety Manual for Fisher

r

ED, ES, ET, EZ,

HP, or HPA Valves with 657 / 667 Actuator

Purpose

This safety manual provides information necessary to design, install, verify and maintain a Safety Instrumented

Function (SIF) utilizing the Fisher ED, ES, ET, EZ, HP, or HPA valve with 657/667 actuator.

Introduction

This manual provides information that is necessary for meeting the IEC 61508 or IEC 61511 functional safety

standards.

Figure 1. Fisher Valve with 667 Actuator

W1916-2

ED or ET Valve

EZ Valve with FIELDVUE

t

DVC6200 Digital Valve Controller

HP Valve with FIELDVUE

DVC6200 Digital Valve Controller

X0183-1

W8120A-2

ES Valve

W2174-3

SIL Safety Manual

D103401X012

ED, ES, ET, EZ, HP, HPA Valves w/ 657/667 Actuator

November 2011

1
2
3
...
»

Summary of Contents for ES

Page 1: ...or HPA valve with 657 667 actuator Introduction This manual provides information that is necessary for meeting the IEC 61508 or IEC 61511 functional safety standards Figure 1 Fisher Valve with 667 Actuator W1916 2 ED or ET Valve EZ Valve with FIELDVUEt DVC6200 Digital Valve Controller HP Valve with FIELDVUE DVC6200 Digital Valve Controller X0183 1 W8120A 2 ES Valve W2174 3 SIL Safety Manual D10340...

Page 2: ...ail 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 dangerous and that is not being diagnosed by automatic stroke testing Fail Dangerous Detected Failure that is dangerous ...

Page 3: ...at results in either a safe fault or a diagnosed unsafe fault SIF Safety Instrumented Function a set of equipment intended to reduce the risk due to a specific hazard a safety loop SIL Safety Integrity Level discrete level one out of a possible four for specifying the safety integrity requirements of the safety functions to be allocated to the E E PE safety related systems where Safety Integrity L...

Page 4: ...r EZ Sliding Stem Control Valve Bulletin D100025X012 Fisher EZ easy et Control Valve Instruction Manual D100401X012 51 2 HP Fisher HP Series Control Valves Bulletin D101635X012 Fisher HP and HPA Control Valves Instruction Manual D101634X012 Guidelines References D Safety Integrity Level Selection Systematic Methods Including Layer of Protection Analysis ISBN 1 55617 777 1 ISA D Control System Safe...

Page 5: ... and balanced push down to close valve plug action Valve configurations are as follows ET Globe style valve with metal to PTFE seating standard for all except Cavitrol III cages for stringent shutoff requirements or metal to metal seating standard for Cavitrol III cages optional for all others for higher temperatures EAT Angle version of ET used to facilitate piping or in applications which requir...

Page 6: ...ve does not perform any automatic diagnostic functions by itself and therefore it has no diagnostic response time of its own However automatic diagnostics of the final control subsystem may be performed such as Partial Valve Stroke Testing PVST This typically will exercise the valve over a small percentage of its normal travel without adversely affecting the flow through the valve If any failures ...

Page 7: ...lete final element subsystem with a Fisher valve as the final control element will need to be evaluated to determine the Safe Failure Fraction of the subsystem If the SFF for the entire final element subsystem is between 60 and 90 a design can meet SIL 2 HFT 0 Safety Parameters For detailed failure rate information refer to the Failure Modes Effects and Diagnostic Analysis Report for the ED ES ET ...

Page 8: ... instructions warnings and cautions in each applicable instruction manual The Fisher ED ES ET EZ HP or HPA valve must be installed per standard practices outlined in the appropriate instruction manual The environment must be checked to verify that pressure and temperature conditions do not exceed the ratings The ED ES ET EZ HP or HPA valve must be accessible for physical inspection Table 1 Recomme...

Page 9: ...mented Functions for which an ED ES ET EZ HP or HPA valve is applied The proof tests must be performed more frequently than or as frequently as specified in the calculation in order to maintain the required Safety Integrity of the Safety Instrumented Function The proof test shown in table 1 is recommended The results of the proof test should be recorded and any failures that are detected and that ...

Page 10: ...ests defined and documented Routing of pneumatic connections determined SIS logic solver requirements for partial stroke tests defined and documented Design 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...

Page 11: ...SIL Safety Manual D103401X012 ED ES ET EZ HP HPA Valves w 657 667 Actuator November 2011 11 ...

Page 12: ...itions which are available upon request We reserve the right to modify or improve the designs or specifications of such products at any time without notice EFisher Controls International LLC 2010 2011 All Rights Reserved Fisher FIELDVUE and easy e are marks owned by one of the companies in the Emerson Process Management business division of Emerson Electric Co Emerson Process Management Emerson an...

Reviews:

No comments