Emerson Fisher ED Скачать руководство пользователя страница 4

Instruction Manual Supplement

D103401X012

ED, ES, ET, EW, EZ, HP Valves

November 2017

4

Related Literature

Hardware Documents:

51.1:ED, Fisher ED, EAD, and EDR Sliding-Stem Control Valves Bulletin:  

D100017X012 

Fisher ED and EAD easy-e Valves CL125 through CL600 Instruction Manual:  

D100390X012

51.1:ES, Fisher ES and EAS Sliding-Stem Control Valves Bulletin:  

D100021X012

Fisher ES and EAS easy-e Valves CL125 through CL600 Instruction Manual:  

D100397X012

51.1:ET, Fisher ET, EAT, and ETR Sliding-Stem Control Valves Bulletin:  

D100022X012

Fisher ET and EAT easy-e Valves CL125 through CL600 Instruction Manual:  

D100398X012

51.1:EZ, Fisher EZ Sliding-Stem Control Valve Bulletin:  

D100025X012

Fisher EZ easy-e Control Valve Instruction Manual:  

D100401X012

51.1:easy-e Cryogenic Fisher easy-e Cryogenic Sliding Stem Control Valves Bulletin:  

D102189X012

Fisher EZ-C, ET-C, and EWT-C Cryogenic Sliding-Stem Control Valves Instruction Manual:  

D102175X012

51.1:EW, Fisher EW Series (EWD/EWS/EWT) Sliding Stem Control Valves through NPS 12x8 Bulletin:  

D100023X012

Fisher EWD, EWS, and EWT Valves through NPS 12x8 Instruction Manual:  

D100399X012

51.1:ET/ED (Large): Fisher ED/EWD and ET/EWT Valves NPS 12 through 30 Bulletin:  

D103554X012

Fisher Large ET/EWT and ED/EWD Valves through NPS 12 through 30 Instruction Manual:  

D103553X012

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 1­55617­777­1,

ISA

D

 Control System Safety Evaluation and Reliability, 2nd Edition, ISBN 1­55617­638­8, ISA

D

 Safety Instrumented Systems Verification, Practical Probabilistic Calculations, ISBN 1­55617­909­9, ISA

Reference Standards

Functional Safety

D

 IEC 61508: 2010 Functional safety of electrical/electronic/ programmable electronic safety­related systems

D

 ANSI/ISA 84.00.01­2004 (IEC 61511 Mod.) Functional Safety – Safety Instrumented Systems for the Process Industry

Sector

Содержание Fisher ED

Страница 1: ...175X012 Fisher EWD EWS and EWT Valves through NPS 12x8 Instruction Manual D100399X012 Fisher Large ET EWT and ED EWD Valves NPS 12 through 30 Instruction Manual D103553X012 Fisher HP and HPA Control Valves Instruction Manual D101634X012 Failure to use this instruction manual supplement in conjunction with the above referenced manuals could result in personal injury or property damage If you have a...

Страница 2: ...hout 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 but is detected by automatic stroke testing Fail Annunciation Undetected Failur...

Страница 3: ...esults 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 Level...

Страница 4: ...ion Manual D102175X012 51 1 EW Fisher EW Series EWD EWS EWT Sliding Stem Control Valves through NPS 12x8 Bulletin D100023X012 Fisher EWD EWS and EWT Valves through NPS 12x8 Instruction Manual D100399X012 51 1 ET ED Large Fisher ED EWD and ET EWT Valves NPS 12 through 30 Bulletin D103554X012 Fisher Large ET EWT and ED EWD Valves through NPS 12 through 30 Instruction Manual D103553X012 51 2 HP Fishe...

Страница 5: ...can be improved to Class VI Fisher ET single port control valves have balanced plugs and cage guided trim for all general applications with process temperatures up to 316 C 600 F They are available in sizes ranging from NPS 1 to 30 and pressure ratings up to CL600 in several different body configurations including ET and EAT D ET Globe body sliding stem valve with Push Down To Close action D EAT A...

Страница 6: ... Close valve for applications with process temperatures up to 316 C 600 F In small to medium sizes these valves utilize a clamped trim design meaning that the cage and seat ring are clamped into the body using compression from the valve bonnet In large sizes the trim is hung in the valve body and the seat ring bolted into the valve body EWD constructions or screwed into the cage EWT constructions ...

Страница 7: ...alve 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 failure...

Страница 8: ...of 0 The complete 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 ...

Страница 9: ...ard 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 EW EZ or HP valve must be accessible for physical inspection Table 1 Recommended Full Stroke Proof Test Step Action 1 Bypass the safety function and take appropriate action to avoid a false trip 2 Interrupt or change ...

Страница 10: ... 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 compromise functional safety should be reported to Emerson Process Management The suggested proof test consists of a full stroke of the ED ES ET EW EZ or HP valve The person s performi...

Страница 11: ...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 proo...

Страница 12: ...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 E 2010 2017 Fisher Controls International LLC All rights reserved Fisher FIELDVUE and easy e are marks owned by one of the companies in the Emerson Automation Solutions business unit of Emerson Electric Co Emerson Automation Solutions Emerson and the ...

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