Emerson Fisher easy-e ED Brochure
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1. J on schedule ure consis ent p Banning and communications Technolog ment in house expertise m Comply withe m Minimize variability m Manage process change n Plant Lifecycle Events and Demands THE CONTROL VALVE YOU CHOOSE MATTERS WHEN YOU HAVE TO ACHIEVE EFFICIENT PRODUCTIVE AND RELIABLE PLANT OPERATION When you buy Fisher control valves you get the application expertise that comes from more than forty years of experience in the LNG industry Plus you benefit from millions of dollars of research invested in reliability centric testing of Fisher control valve technologies Fisher product specifications are in many cases more stringent than the industry accepted standards set by regulatory agencies Our attention to and evaluation of product quality is necessary to bring you Fisher technologies of the highest reliability and performance Using Fisher technology can help you achieve efficient productive and reliable plant operation Want to see for yourself Visit the Emerson Innovation Center for Fisher Technology in Marshalltown lowa USA To schedule a visit please contact your local Emerson sales office Fisher technology development capabilities extend worldwide with engineers and labs in North America Europe and Asia Fisher LNG Liquefaction Solutions 23 THRIVING IN EXTREME TEMPERATURES Whether driven by process temperatures or climate extremes control valves need to operate as specifie2. QR code http www YouTube com user FisherControlValve http www LinkedIn com groups Fisher 3941826 2013 Fisher Controls International LLC All rights reserved Fisher FIELDVUE WhisperFlo and Whisper Trim are marks owned by one of the companies in the Emerson Process Management business unit of Emerson Electric Co Emerson Process Management Emerson and the Emerson logo are trademarks and service marks 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 nothing herein is to be construed as a warranty Or guarantee express or implied regarding the products or services described herein or their use performance merchantability or fitness for a particular purpose Individual results may vary All sales are governed by our terms and conditions which are available upon request We reserve the right to modify or improve the designs or specifications of our products at any time without notice Responsibility for proper selection use and maintenance of any product or service remains solely with the purchaser and end user EMERSON www EmersonProcess com Fisher Documentation www EmersonProcess com Fisher Documentation www EmersonProcess com Fisher Documentation
3. prevent damage to internal valve components to reduce maintenance needs and unplanned downtime THROUGHPUT FLEXIBILITY Fully customizable valve low characteristic allows for precise throttling through the broad range of flow rates required during commissioning and plant aperation IMPROVED EFFICIENCY Tight shutoff capability to meet ANSI Class V ar VI requirements and prevent unwanted recycle flow when the valve is closed to help optimize pump efficiency Fisher LNG Liquefaction Solutions 13 Fisher NPS 8 ET Control Valve with FIELDVUE DVC6200 Digital Valve Controller 14 Fisher LNG Liquefaction Solutions Gas to Flare Control Valve All gas processing facilities have a flare system to safeguard against overpressure of critical assets within the plant and dispose of any waste gas Failure of the flare system to successfully relieve pressure from the process can lead to unexpected downtime or damage to costly pressure retaining equipment Gas to flare valves are installed at numerous locations throughout the gas treatment and liquefaction units to control the flow of feed qas or refrigerant to the flare stack for disposal They are primarily used during plant startup shutdown or short duration upset conditions During these periods flare valves will experience significant pressure differentials and high flow rates If not addressed properly these conditions can lead to excessive noise levels and even damaging vi
4. the reversed flow of a surge event An LNG facility in Brunei needed to replace all of its existing propane and mixed refrigerant AEE nA compressor antisurge valves After seeing a demonstration of COMPREHENSIVE NOISE MANAGEMENT Noise modeling and prediction per IEC 60534 8 3 allows Emerson ta address both trim and valve body outlet noise valve the plant turned to upfront to prevent surprises or vou down the road Emerson who has proven its the Fisher optimized antisurge ability to understand and meet stringent valve performance ad TAILORED FLOW CHARACTERISTIC Fully customizable valve flow characteristic helps to The 25 existing valves were replaced by NPS 12 through NPS provide precise control throughout the full range of 30 Fisher optimized antisurge valves startup conditions in addition to full open surge capacity e The valves open in less than two seconds as well as meet stringent closed loop control criteria TCR TIGHT SHUTOFF CAPABILITY The measured linearity is less than 0 75 and the valves Tight shutoff capability to meet ANSI Class V or VI shutoff have minimal overshoot in the open and closed directions requirements and prevent unwanted recycle flow past the e It often requires about 12 hours to tune a non Fisher valve to optimize compressor efficiency antisurge valve With its fewer accessories and diagnostic capabilities tuning time for a Fisher optimized antisurge valve takes only minutes A
5. would meet the exacting application requirements the valves were flow tested at the Emerson Innovation Center to demonstrate the maximum capacity Flow testing confirmed the actual capacity of the valves to be within 3 of the design values well within the plant operator s specification PREDICTIVE MAINTENANCE Online in service FIELDVUE Performance Diagnostics enable predictive maintenance programs for critical valves such as the inlet feed gas valves helping to achieve greater reliability STABLE CONTROL The precise throttling capability of the FIELDVUE DVC6200 instrument combined with Fisher low friction packing technology helps fo ensure responsive and stable control of the plant s inlet feed gas to reduce variability downstream CORROSION RESISTANCE A full range of alloy materials are available t mitigate the corrosive effects of HS and other contaminants present in the feed qas THROUGHPUT FLEXIBILITY Fully customizable valve flow characteristics provide broad rangeability that enables precise throttling throughout the full range af feed qas demand NOISE REDUCTION Advanced noise attenuation technology lowers noise levels up to 40 dB to meet regulatory noise limits Fisher LNG Liquefaction Solutions 9 Fisher NPS 30 ET Control Valve with FIELDVUE DVC6200 Digital Valve Controller 10 Fisher LNG Liquefaction Solutions Rich Amine Letdown Control Valve In facilities that receive raw gas from pr
6. Fisher LNG Liquefaction Solutions Proven control valve technology for your LNG facility t es FISHER EMERSON Process Management Fisher LNG Liquefaction Solutions Your plant must produce LNG at an efficient and constant rate If you don t meet your production obligations you not only lose revenue you may be subject to contractual penalties This means the control valves in your facility must operate reliably the way you need them to in your most critical applications 24 7 with no surprises to help your facility operate at its nameplate capacity Please use this brochure as a guide to discovering the breadth of Fisher control valve solutions for the most critical applications in your LNG facility Fit NE ISI crt Ll ree s AA bisan Fisher LNG Liquefaction Solutions 3 gy of LNG Trains Utilizing Fisher Control Valves A History of Proven Results From the first LNG facilities built in Alaska Brunei and Algeria in the 1960s and 1970s to the most advanced facilities currently under development Fisher valves can be found in the majority of liquefaction facilities in the world In fact more than 70 percent of existing LNG production flows through Fisher valves More than 40 years of experience in LNG has allowed Emerson to develop reliable field proven Fisher solutions for your most critical applications By partnering with Emerson you ll be able to leverage our wealth o
7. L LLP Amins to Hegeneralion 4 i i i Propane Compression Train Fisher LNG Liquefaction Solutions 5 Sub Cooling Heal Nitrogen Exchanger Cold Box Nitrogen Compression Train Flash Gas To Fuel System Main Nitrogen Veios Flash Gas To Rejection a Fuel System Column Exchanger 6 iiid MR Fram Prapane Chillers s 1 LNG To Senda MR To MILITE 6 Fisher LNG Liquefaction Solutions Typical Cascade Liquefaction Process A cascade liquefaction process typically utilizes three pure component refrigerant loops propane ethylene and methane Feed gas is pre cooled as it passes through the propane chiller before undergoing liquefaction and sub cooling through ethylene and methane cold boxes Most recent variations of the process produce 4 5 5 2 mtpa per train Greenfield plants will commonly consist of one to three trains with room for additional trains depending on long term feed gas supply Inlet Feed Gas Control Valve 2 Rich Amine Letdown Control Valve 3 Amine Pump Recycle Control Valve 4 Gas to Flare Control Valve E 5 Compressor Antisurge Control Valve 6 Joule Thomson Expander Bypass Control Valve Methane Propane Compression Train Gas In spe Flare Helrigarani 5 Header Ethylene Refrigerant aye Acid Gas Absorber 1 Lean Feed Gas Amine From Siig 44 oo pa Catcher Que p lt Plast Propane
8. anage key production assets like control valves directly affects your plant s efficiency reliability and profitability Emerson Process Management s Fisher Services provides trusted expertise for control valve maintenance and repair Whether you re starting or commissioning a process scheduling diagnostics and repair or planning a turnaround with upgrades to optimize and extend your plant s lifecycle our network of owned and authorized service centers around the world provide effective maintenance through a network of experienced highly skilled technicians when and where you need them To help you maintain your plant s efficiency and reliability Fisher Services uses only certified OEM parts and assemblies sourced through local inventories regional parts distribution centers and Quick Ship facilities to deliver unmatched response to customer needs Contact your local sales office to get in touch with the Service Center EHS 4 nearest you To learn more scan the T OR code or visit www Fisher com Fisher LNG Liquefaction Solutions 21 Our extensive network of Service Center locations spans every continent We re there for you day or night when and where you need us 24 7 365 To learn more scan the QR code or visit www Fisher com LifecycleServices 3 f TY L U TM m d ommission ile and within budget gx perience aintain ned events 55 Base and upsets arts service and expertise
9. atory requirements If you found this brochure valuable may we also recommend the following literature Fisher Optimized Antisurge Control Valves High reliability to meet world class productio s uction deman u m m a n n J f http www Facebook com FisherValves http www Twitter com FisherValves Emerson Process Management Marshalltown lowa 50158 USA Sorocaba 18087 Brazil Chatham Kent ME4 4QZ UK Dubai United Arab Emirates Singapore 128461 Singapore www Fisher com D352208X012 H MY208 Jul13 Fisher Optimized Antisurge Control Valves Brochure Document Number D351146X012 www EmersonProcess com Fisher Documentation Fisher Cavitation Control Technologies Brochure Document Number D351912X012 www EmersonProcess com Fisher Documentation The Silent Treatment Brochure Document Number D351989X012 www EmersonProcess com Fisher Documentation FIELDVUE DVC6200 Series Digital Valve FIELDVUF DVC6200 Series Digital Valve Controlle Controllers Brochure Document Number D351908X012 Fisher easy e Sliding Stem Control Valves Brochure Fisher easy e Sliding Stem Control Valves r easy application and unmatched performance Document Number D350365X012 Emerson Innovation Center Brochure Fhher Terhnokegy Di sebopreri Document Number D351843X012 To find the Fisher sales contact in your area scan the
10. bration Emerson utilizes the industry standard for aerodynamic noise modeling and prediction in control valves IEC 60534 8 3 This standard models two independent sources of noise the valve trim and the valve body outlet In applications with moderate pressure drop noise attenuating trim is commonly sufficient to maintain overall noise levels at acceptable levels However in high pressure drop applications such as gas to flare the valve body outlet noise will commonly overcome the trim noise as the dominant source To account for this Emerson s engineers use the latest IEC noise prediction model to account for both independent sources of noise when developing custom valve solutions for your high pressure drop applications This comprehensive approach incorporates noise attenuating technology to reduce trim noise and a properly sized valve body outlet to maintain acceptable noise levels at the outlet During the normal operation of the plant gas to flare valves will remain closed Because of this it is important that these valves maintain tight long term shutoff in order to prevent loss of valuable product to the flare stack A gas processing plant in Saudi Arabia experienced cracking of a NPS 54 acid flare header made of Inconel Two VETS MITIS Emerson engineers studied the process conditions and concluded that the existing valves were contributing to excessive vibration and noise Despite the use of noise attenuating trim th
11. d Fisher control valves in LNG applications are commonly tested at cryogenic temperatures of 196 C 321 F in numerous Fisher sites around the world A NER WITHSTANDING VIBRATION TROUBLESHOOTING CONTROL VALVES ER x While control valves are on line and in service Fisher digital valve controllers can detect capture and trend more than 200 fault conditions and provide recommended actions to prevent unexpected downtime REDUCING PROCESS VARIABILITY Fisher control valves are designed and tested for robustness in vibration applications They are subjected to additional testing for millions of cycles at their resonant worst case frequency to enhance performance in your facility Fisher control valve assemblies are subjected to on line dynamic performance testing to evaluate their ability to reduce your process variability These tests replicate how control valves are used in your plant Many of Emerson s standard Fisher products are used in extremely high cycle applications and must be tested to more than one million cycles Those same standard products are used in your LNG plant to enhance reliability QUIETING NOISE Supported with a 4 738 m 51 000 ft facility and a unique 2 415 m 26 000 ft sound chamber Emerson can quantify noise from valves piping and vents This capability provides insight to ensure highly accurate noise prediction and helps you comply with regul
12. dens 6 Chiller Calumn Inlet Separatar Aiia fa NE 2 Ethylene Compression Train Ethylene Helrigerant To Propane Chiller a a a PAURA m A i6 5 2 Cold Box Fisher LNG Liquefaction Solutions 7 Methane Compression Train Methane Relrigerant To Propane Chiller 5 5 Nitrogen Rejection Column E cam cames ee oe ca mum aes MG Column LNG Ta Sendout 8 Fisher LNG Liquefaction Solutions Inlet Feed Gas Control Valve The inlet receiving facilities serve a number of functions that are critical to the smooth operation of the entire facility The receiving facilities knock out any liquids present in the feed gas reduce the pressure from the gas pipeline and throttle the flow of gas into the downstream processing units Stable and reliable operation of the receiving facilities lays the foundation for the profitable operation of the entire facility The location of the inlet feed gas valves will depend on the extent of gas treatment located onsite If the facility includes a gas treatment unit and receives raw feed gas from production the inlet valve is located upstream of the acid gas removal unit If the liquefaction plant receives sales quality gas from the local grid which requires minimal treatment the valve will be located upstream of the liquefaction trains At some facilities a single large valve is used in this application At others a number of small
13. e valves had not been properly sized to account for valve body outlet noise which resulted in valve outlet velocities close to sonic 0 7 mach After several visits to this remote site Emerson recommended a larger replacement valve with Fisher WhisperFlo trim that would meet all of the process conditions Existing valves were replaced by two NPS 16 Fisher ET control valves with WhisperFlo Level Z trim The valves lowered the velocity of the outlet to 0 3 mach which significantly reduced the noise at the valve and the vibration affecting the downstream piping QUICK RESPONSE Fisher actuation technologies enable rapid response to meet your demanding stroke requirements and provide dependable response to planned or unexpected flaring PREDICTIVE MAINTENANCE Online in service FIELDVUE Performance Diagnastics enable predictive maintenance programs for critical valves such as the gas to lare valve helping to achieve greater relability CORROSION RESISTANCE A full range of alloy materials are available to mitigate the corrosive effects of H55 and other contaminants present in the flare qas COMPREHENSIVE NOISE MANAGEMENT Noise modeling and prediction per IEC 60534 8 3 allows Emerson to address both trim and valve body outlet naise upfront to prevent surprises for you down the road PRODUCT LOSS PREVENTION Tight shutoff capability to meet ANS Class Var VI requirements and prevent loss of valuable product to the f
14. er valves in parallel will be used to control the flow of the feed gas Reliability is the foremost requirement for the inlet feed valves Unexpected maintenance or surprise failures have the potential to bring down LNG production which can incur significant contractual penalties In addition these valves must also be able to provide precise stable control through a wide range of gas flow rates from startup and commissioning through full rated output of the plant These valves must operate with minimal variability to ensure stable and predictable performance of all process units downstream Depending on the operating pressure of the pipeline these valves can also experience a significant pressure drop This can cause the potential for damaging noise and vibration if not addressed properly The operator of a multi train liquefaction facility in Australia needed absolute assurance that their critical feed gas inlet valves A Case In Point would provide the proper rate of flow into the facility Too much flow could overwhelm the plant s pressure relief capacity requiring expensive modifications Too little flow could restrict the overall capacity of the entire multi billion dollar facility Emerson engineers developed custom Fisher Whisper Trim designs for these NPS 12 ANSI 1500 valves tailored specifically to the noise and capacity requirements of this critical application To provide the ultimate assurance that these custom valves
15. f LNG experience and utilize proven Fisher technologies to help you ensure the reliability of your plant From the feed gas pipeline to the export jetty the Fisher brand is the name to trust in LNC 4 Fisher LNG Liquefaction Solutions Typical Mixed Refrigerant Liquefaction Process The majority of existing LNG plants utilize a variation of the propane pre cooled mixed refrigerant liquefaction process This process utilizes propane refrigerant to chill the feed gas and a mixed refrigerant to achieve liquefaction and sub cooling Most recent variations of the process produce 4 0 5 0 megatons per annum mtpa of output per train Greenfield plants will commonly consist of one to three trains with room for additional trains depending on long term feed gas supply Larger scale variations of the process utilize a third refrigerant loop of nitrogen to achieve sub cooling and have been used to achieve nearly 8 0 mtpa of output per train This mega train configuration is featured in the process diagram below 1 Inlet Feed Gas Control Valve 2 Rich Amine Letdown Control Valve 3 Amine Pump Recycle Control Valve 4 Gas to Flare Control Valve 5 Compressor Antisurge Control Valve 6 Joule Thomson Expander Bypass Control Valve bas io Flare Header NGL E Propane Acid Gas Recovery Chillers Absorber Column HP Feed Gas MP From Slug 4 B gt Catcher LP Inlet Mixed Separator NG
16. lare stack www FisherSevereService com to learn about the science of noise attenuation in control valves and Our history of solving noise issues in facilities just like yours Fisher LNG Liquefaction Solutions 15 ie tgs a lE ies ii P d Fisher NPS 20 FBT Control Valve with FIELDVUE DVC6200 Digital Valve Controller 16 Fisher LNG Liquefaction Solutions ASSET PROTECTION The ast stroking capability of the Fisher optimized Co ITI D resso r Antis u rq e Co nt rol Va Ive antisurge valve protects your compressor from surge events by quickly recycling flow back to the suction drum The efficiency and availability of a plant s compressors both have a direct impact on the profitability of the facility ACCURATE CONTROL Unexpected downtime of any of the plant s refrigerant The highly accurate respansive throttling contral allows loops will lead to reduced LNG production and the confident operation closer to your compressor s surge limit potential for hefty contractual penalties Compressors also line helping to improve its aperating efficiency represent some of the most valuable pieces of equipment within an LNG facility Not only will damage to these assets PROVEN RELIABLE cause unexpected production downtime it can also lead The simplified and rugged actuation system incorporates to very costly repairs the non contact valve position feedback of the FIELDVUE DVC6200 instrument to enha
17. ll this added up to an antisurge valve solution that helped to protect compressors and increase process efficiency Fisher LNG Liquefaction Solutions 2 Fisher NPS 42 FBT Control Valve with Optimized Digital Valve Actuation 18 Fisher LNG Liquefaction Solutions Joule Thomson Expander Bypass Control Valve The Joule Thomson effect is leveraged throughout all of the primary liquefaction processes to achieve cooling of the feed gas or the refrigerant streams It is used to achieve cooling of liquids gases or multi phase fluids Traditionally this effect has been facilitated by a control valve that reduces the pressure of the fluid significantly and induces the desired cooling Because of the elevated pressure drop the valve can experience excessive noise levels if not addressed properly It also experiences very low process temperatures and must be capable of precise throttling down to full cryogenic temperatures STABLE CONTROL In some facilities expanders are utilized to facilitate Precise throttling control of the FIELDVUE DVC6200 Joule Thomson cooling while also recovering energy from the fluid to improve overall process efficiency Expanders are used in both gas and liquid applications commonly referred to as hydraulic turbines in liquid applications Regardless of the fluid expander bypass valves are installed in parallel with expanders to ensure process availability In instances when the expander is required to
18. nce long term reliability Antisurge valves provide recycle flow to each stage of the multi stage compression trains that are common to PREDICTIVE MAINTENANCE liquefaction processes During startup and commissioning Online in service FIELDVLIE Performance Diagnostics the valve provides throttling control to recycle a portion enable predictive maintenance programs for critical of the discharge flow as the compressor is brought up to valves such as the compressar antisurge valves helping capacity During the normal operation of the plant the to achieve greater reliability antisurge valve will remain closed or slightly open to allow for a small portion of the discharge to be recycled When QUICK STARTUP closed it is important that the valve provides tight shutoff Simple user friendly tuning interface can significantly to prevent unwanted recycle flow reduce startup and commissioning time Scan this code to learn more about the Fisher optimized antisurge solution designed specifically for antisurge applications The primary purpose of the antisurge valves is to protect n the most critical and expensive pieces of equipment in the plant the compressors During a surge event the valve must open in one to two seconds to recycle the discharge flow back around to the suction side of the compressor m Failure of the valve to react quickly to the antisurge controller can result in severe damage to the impellers of the compressor from
19. ng out of the solution In some facilities solids or pipe scale will accumulate in the bottom of the amine contactor Emerson offers Fisher dirty service solutions to prevent plugging while also addressing the outgassing phenomenon PREDICTIVE MAINTENANCE Online in service FIELDVUE Performance Diagnostics enable predictive mamtenance programs for critical valves suchas the rich amine letdown valve helping to achieve greater reliability EXTENDED SERVICE LIFE Praperly selected valve and trim designs are proven to mitigate the potentially damaging effects of outgassing CORROSION RESISTANCE Full range of alloy materials available to mitigate the corrosive effects of H45 and other contaminants PROCESS INSIGHT In depth understanding of the outgassing phenamenan with tailored valve solutions based on severity No one size ips all trim solution Fisher LNG Liquefaction Solutions 11 Fisher NPS 16 ET Control Valve with FIELDVUE DVC6200 Digital Valve Controller 12 Fisher LNG Liquefaction Solutions Amine Pump Recycle Control Valve Maintaining the proper flow of lean amine within the acid gas removal unit is necessary to ensure sufficient removal of CO and H S from the feed gas stream The lean amine pump ensures the stable flow of lean amine to the contactor The amine pump recycle valve is most commonly used to facilitate startup and commissioning as the acid ga
20. oduction the acid gas removal unit plays a critical role in the process by stripping CO and or H S contaminants from the feed gas The presence of these acid gases in excess of specified limits can cause significant issues in downstream units The presence of H S can cause serious corrosion issues and CO can cause freeze up in the liquefaction train As a result specifications for feed gas are very stringent and typically require max acid gas content of 50 parts per million ppm CO and 2 ppm H S As feed gas enters the contactor at the bottom and flows upward lean amine solution flowing countercurrent gradually strips the gas of impurities The rich amine letdown valve serves two purposes First it regulates the level of rich amine solution that accumulates in the bottom of the contactor vessel Second it facilitates a pressure drop into the downstream flash tank which liberates a portion of the acid gases entrained in the solution If not addressed properly through detailed valve sizing and selection this outgassing of the entrained gases can cause significant vibration and damage to the valve Fisher control valve engineers have decades of experience with the most severe outgassing applications and have learned that no two amine letdown applications are exactly the same Proprietary outgassing modeling ensures that the valve type selected is tailored specifically to each application and sized appropriately to mitigate the gas comi
21. qo offline the bypass valve is opened to facilitate Joule Thomson cooling of the process stream and allow the unit to continue operating in the absence of the expander The bypass valve must be highly responsive and reliable to ensure process availability It is also commonly subjected to a large pressure differential which creates the potential for significant noise levels in gas applications and flashing in liquid applications instrument to maintain the stable flow of refrigerant to chillers and cold boxes REDUCED MAINTENANCE Specially selected balance seal materials enhance cycle life at cryogenic temperatures to reduce maintenance needs NOISE REDUCTION Advanced noise attenuation technology lowers noise levels up to 40 decibels to meet regulatory noise limits IMPROVED EFFICIENCY Unwonted bypass flow around the expander during normal operation is addressed via advanced cyragenic capabilities Fisher balance seal and seat ring technologies provide cryogenic shutoff in compliance with demanding cryogenic test standards such as BS 6364 EXPANDED VALVE OUTLET Expanded outlet valve body design to allow for flashing in liquid applications and the downstream expansion of lighter hydrocarbon constituents Fisher LNG Liquefaction Solutions 19 Fisher NPS 16 ET Control Valve with FIELDVUE DVC6200 Digital Valve Controller 20 Fisher LNG Liquefaction Solutions You re Never Alone The way you m
22. s removal unit is brought up to capacity This valve controls the pump discharge flow that is routed back around to the suction side of the pump When needed the recycle flow boosts the suction pressure to keep it above the vapor pressure of the amine As a result the amine pump recycle valve must be very responsive in order to protect the pump from cavitation damage Due to the high pressure differential from discharge back to suction the valve trim must be capable of mitigating the potentially damaging effects of cavitation as it recycles flow Any unplanned maintenance on these valves due to cavitation damage can bring the amine pumps down and reduce plant throughput To learn more about how Fisher anti cavitation technologies can help prevent damage to your valves view an animation video at www FisherSevereService com Scan this code to discover the broad range of Fisher anti cavitation technology solutions for both clean and dirty service applications ASSET PROTECTION Advanced actuation technology enables highly responsive throttling of the recycle flow to maintain sufficient suction pressure and helps to prevent cavitation damage to the pump PREDICTIVE MAINTENANCE Online in service FIELDVUE Performance Diagnostics enable predictive maintenance programs for critical valves such as the amine pump recycle valve helping to achieve greater reliability REDUCED MAINTENANCE Proven anti cavitation technology helps to
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