Emerson Fisher easy-e ES Reference Manual
Contents
1. Emerson Process Management s local business partner in Houston Texas used the cost of the lost hydrogen to justify the valve replacement They recommended a new Fisher valve with Class V shutoff a Type 667 size 46 actuator and a FIELDVUE fieldbus digital valve controller with Advanced Diagnostics AD capabilities Per these specifications Emerson s Fisher valve division supplied a two inch Design ES valve which was installed during a turnaround Two years later this pressure control valve is still providing tight leak free operation No maintenance has been required to date Fisher Controls International LLC 2006 All Rights Reserved Two years later this pressure control valve is still providing tight leak free operation No maintenance has been required to date Fisher and FIELDVUE are marks owned by one of the companies in the Emerson Process Management business division of Emerson Electric Co The Emerson logo is a trademark and service mark of Emerson Electric Co All other marks are the property of their respective owners The contents of this publication are presented for informational purposes only and while every effort has been made to ensure their accuracy they are not to be construed as warranties or guarantees expressed or implied regarding the products or services described herein or their use or applicability All sales are governed by our terms and conditions which are available upon request We reserve t2. REFINING Fisher Design ES Valve Eliminates Leaks In Hydrogen to Flare Application RESULTS e An 8 000 valve saves 800 000 USD per year through improved shutoff e The valve eliminated the leak by using a match plug and seat with extra seat load It was tested by measuring downstream temperature Hydrogen heats up after a large pressure drop e The Fisher Design ES valve replaced a competitor s valve provided control on average better than 1 and paid for itself in 3 8 days APPLICATION FIELDVUE digital valve Pressure control valve to high pressure flare controllers enable on line CUSTOMER performance monitoring and pa Sane Mn ee diagnostics of control valves CHALLENGE A two inch 600 globe valve was leaking hydrogen directly to the flare Figuring the price of hydrogen at 2200 per MMSCF any leak was costly In this case the leakage gt 1 MMSCFD represented more than 800 000 year in lost hydrogen Hydrogen leakage rate was a minimum of 1 MMSCFD 41 667 SCFH Blocking in the valve and comparing production verified the leakage At that time the price of hydrogen was between 1800 and 3200 per MMSCF An Operations Support Engineer OSE advised the team to use 2200 per MMSCF for the average hydrogen cost to justify this investment For more information www fisher com E M ERSON REFINING SOLUTION Jim Pfeil account manager and Craig Jeane valve asset manager of Puffer Sweiven
3. he right to modify or improve the designs or specifications of such products at any time without notice Fisher does not assume responsibility for the selection use or maintenance of any product Responsibility for proper selection use and maintenance of any Fisher product remains solely with the purchaser NORTH AMERICA LATIN AMERICA EUROPE MIDDLE EAST amp AFRICA ASIA PACIFIC Emerson Process Management Emerson Process Management Emerson Process Management Emerson FZE Emerson Process Management Marshalltown Ilowa 50158 USA Sorocaba Sao Paulo 18087 Brazil Cernay 68700 France Dubai United Arab Emirates Singapore 128461 Singapore T 1 641 754 3011 T 55 15 238 3788 T 33 0 3 89 37 6400 T 971 4 883 5235 T 65 6777 8211 F 1 641 754 2830 F 55 15 228 3300 F 33 0 3 89 37 65 18 F 971 4 883 5312 F 65 6777 0947 www EmersonProcess com Fisher www EmersonProcess com Fisher www EmersonProcess com Fisher www EmersonProcess com Fisher www EmersonProcess com Fisher Severe Service D351333X012 MS60 CD164 April 2006 S EMERSON Process Management
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