Travaini Pumps USA SA Series Operating & Maintenance Manual Download

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200 NEWSOME DRIVE

YORKTOWN, VA 23692

Telephone: 757.988.3930

Toll Free: 800.535.4243

Web Site:

www.travaini.com

Fax: 757.988.3975

Continuing research of TRAVAINI PUMPS USA results in product improvements; therefore any specifications may be subject to change without notice.

PRINTED IN USA

F:/MVUOTGB4

DATE 4/02

Operating &
Maintenance
Manual

for

Liquid Ring
Vacuum Pumps,
Compressors
& Systems

TRH-TRS-TRM-TRV-SA

Water Sealed & Oil Sealed (DynaSeal

)

Systems

Liquid Ring & Rotar y Vane Vacuum Pumps and Systems

Summary of Contents for SA Series

Page 1: ...sults in product improvements therefore any specifications may be subject to change without notice PRINTED IN USA F MVUOTGB4 DATE 4 02 Operating Maintenance Manual forLiquid Ring Vacuum Pumps Compressors Systems TRH TRS TRM TRV SA Water Sealed Oil Sealed DynaSealTM Systems Liquid Ring Rotary Vane Vacuum Pumps and Systems Liquid Ring Rotary Vane Vacuum Pumps and Systems ...

Page 2: ...on the general terms conditions of sales and or conditions listed on the order confirma tions Failure to strictly adhere to the instructions and recommendations listed in this manual will void the manufacturer s warranty Detailed warranty policy can be found in Section 21 PROPRIETY DOCUMENT This document and the information enclosed herein are proprietary to Travaini Pumps USA and must along with ...

Page 3: ... SEALED systems 40 19 Engineering data for OIL SEALED DynaSeal systems 42 20 Product Data Information Form 44 21 Warranty Policies Vacuum Pumps Compressors and Systems 45 TABLE OF CONTENTS SECTION PAGE 1 General instructions 1 2 Safety instructions 1 3 In case of emergency 2 3 1 Basic first aid 2 4 Pump outlines 3 4 1 Principle of operation 3 4 2 Service liquid properties 3 4 3 Pump models and tab...

Page 4: ... the company s internal medical safety procedures 2 1 1 GENERAL INSTRUCTIONS This manual is intended to provide reference to application and operating safety installation and maintenance for pump or system starting operating and stopping procedures for pump or system NOTE All references made to pumps are also applicable to systems that employ these pumps unless otherwise specified Upon receipt of ...

Page 5: ...TR TRM Single stage liquid ring vacuum pumps Capacity to 210 ACFM max vacuum 33 mbar 25 Torr TRS Single stage liquid ring vacuum pumps Capacity to 2100 ACFM max vacuum 150 mbar 100 Torr TRV Single stage vacuum pumps Capacity to 300 ACFM max vacuum 33 mbar 25 Torr TRH Two stage liquid ring vacuum pumps Capacity to 2100 ACFM max vacuum 33 mbar 25 Torr SA Double acting liquid ring compressors Capacit...

Page 6: ...ing eyebolts and make correct movements NOTE Lifting eyebolts fitted on single components of the assembly pump or motor should not be used to lift the total assembly Avoid lifts whereby the ropes or straps form a triangle with the top angle over 90 see fig 3 The fig 4 shows several additional examples of lifting to be avoided Prior to moving the unit from an installation always drain any pumped fl...

Page 7: ...STRUCTIONS After receipt and inspection if not immediately installed the unit must be repack aged and stored For a proper storage proceed as follows store the pump in a location that is closed clean dry and free of vibrations do not store in areas with less than 5 C 41 F temperature for lower temperature it is necessary to completely drain the pump of any liquids that are subject to freezing FREEZ...

Page 8: ...oupling is accessible from one of the lateral open ings Couple the electric motor to the pump lantern engaging the two coupling halves hands may reach the coupling halves through the lateral opening see fig 7 tighten the assembly with bolts supplied with the unit and install the supporting foot when applica ble see fig 6 3 Applying slight hand pressure to the cou pling guard rotate it so that one ...

Page 9: ...attached to the foun dations see fig 16 Concrete pads and other concrete works must be aged dry and clean before the pump assembly can be positioned in place Complete all the work relating to the foundations and grouting of the pump assembly before proceeding with the mechanical and electrical portion of the installation 12 10 Angular misalignment can be measured with a Caliper Measure the outside...

Page 10: ...ov ery of the service liquid 9 3 3 Service liquid Total recovery system This system has total recycle of the service liquid without fresh liquid make up from an outside source A heat exchanger is required to lower and control the tem perature of the recycled service liquid for sizing and calculations of heat loads 14 9 1 PIPING CONNECTIONS Identify first locations and dimensions of all connections...

Page 11: ...engineered to perform with differential pres sures of up to 150 psig depending on models The principle of operation is same as given in previous paragraph 9 3 for vacuum pumps and there are three pos sible types of installation once through service liquid partial recovery service liq uid and total recovery service liquid The service liquid entering the compressor connection should have a pressure ...

Page 12: ...sure gauge 15 Level switch 16 Filter y strainer 18 Automatic drain valve check valve 18 9 8 SERVICE LIQUID FLOW H2O at 60 F AND PRESSURE FOR COMPRESSORS SERIES SA Values are applicable when the compressor suction is barometric pressure 1013 mbar and the gas is air at 20 C 68 F The indicated flow and pressure require ments are valid for the compressor total performance curve SA0E3U 4 GPM at minimum...

Page 13: ...um gauge 21 Anti cavitation valve 22 Circulating pump 23 Pressure relief valve 24 Overflow valve 25 Draining solenoid valve 26 Solenoid valve for heat exchanger cooling liquid 27 Temperature gauge 28 Fill connection 32 By pass piping 38 Orifice flow 48 Automatic drain valve or water trap Air or Gas Liquid Gas mixture Liquid 19 ...

Page 14: ...for vacuum gauge 1 4 GAS series 32 excluded Z Connection for service liquid All drawings are general and schematics for additional details see the specific pump catalogue 22 Table 4 Pump series TRH PUMP MODEL A D Z Qty Manifolds Location Connection Location Connection Location Connection Size Size Size TRHE 32 4 7 1 4 GAS TRHE 32 20 45 8 3 8 GAS TRHC 32 20 45 1 4 TRHE TRHC 32 60 1 2 GAS 1 TRHE 40 ...

Page 15: ...750 4 5 TRHC 40 190 65 191 231 301 1450 1750 5 5 7 5 TRHE 40 190 65 165 205 260 1450 1750 5 5 7 5 TRHB 50 280 70 286 321 429 1450 1750 9 15 TRHB 50 340 70 308 374 466 1450 1750 11 15 TRHB 50 420 71 319 392 484 1450 1750 15 20 TRHC 80 600 76 484 539 792 1450 1750 22 30 TRHC 80 750 76 528 616 829 1450 1750 30 40 TRHE 100 870 79 906 1263 960 1150 30 40 TRHE 100 1260 79 1067 1434 960 1150 37 50 TRHE 1...

Page 16: ...e but it is piped to other locations the pump discharge should be checked for back pressures that could cause higher power consumption and loss of pump capacity 26 10 CHECK LIST PRIOR TO START UP All questions listed below must have POSITIVE answers prior to proceeding to the pump start up Please note that the following is a partial list Special installations may require further precautions theref...

Page 17: ...N of WATER SEALED SYSTEMS First close the service liquid flow and cooling liquid flow if applicable then shut down the circulating pump ITEM 22 if applicable Where possible gradually decrease the vacuum level to 300 675 Torr in about 10 seconds max or if com pressor decrease the discharge pressure The discharged service liquid from pump ITEM 4 helps produce a slow deceleration rather than sudden s...

Page 18: ...commended to moni tor the water hardness and if too high treat the water If there are no alternatives there should be periodical flushing of the pump with a solution that will remove the specific deposits or the pump must be periodically disassembled cleaned of all incrustations and re assembled Systems with total service liquid recovery require periodical change of the service liquid contained in...

Page 19: ...e of the work in progress CAREFULLY FOLLOW THE SAFETY PROCEDURES LISTED IN CHAPTER 2 13 1 BEARINGS At assembly time the pump bearings are lubricated with quality grease sealed bearings are greased for life Some of the recommended greases are BP ENERGREASE LS EP 2 MOBIL MOBILUX EP 2 EXXON BEACON EP 2 SHELL SHELL ALVANIA EP GREASER Bearings for pumps working in standard conditions should be lubricat...

Page 20: ... proceed as follows remove bolts from pump suction and discharge flanges remove the coupling guard remove the spacer of the coupling if there is one 34 14 TROUBLE SHOOTING PROBLEMS CAUSES AND SOLUTIONS Consult the following table when problems are experienced if solutions are not found in this chart or should there be any doubts do not hesitate to contact TRAVAINI PUMPS USA or your local distribut...

Page 21: ...mp anchor bolts on the baseplate remove the pump from the installation Avoid damaging other system compo nents After pump repairs re install following the steps from Assembly and Alignment procedures and after see the applicable chapters 16 SPARE PARTS When ordering the pump it is good practice to also order the necessary spare parts especially when there are no stand by pumps in the installation ...

Page 22: ...ematic of a liquid ring vacuum pump in a par tial recovery system By closing the recirculation line the system would become a once through installation where all the service liquid is drained therefore QA QF and T2 T1 38 17 2 SERVICE LIQUID TEMPERATURE CHANGE ACROSS THE PUMP The service liquid of a liquid ring pump absorbs total heat QT as follows QT BTU Qc QK QR Where Qc 0 9 x BHP x 2545 Isotherm...

Page 23: ...on a common base When oper ating the vacuum pump discharges from the discharge port the gas handled with a portion of the liquid from the pump inter nal liquid ring This liquid must be contin uously returned to the pump 17 4 UNIT CONVERSION TABLE 39 Absolute Pressure Vacuum Dry air flow at 15 C Saturated vapour flow Saturated water temperature Vaporization heat FIG 32a PARTIAL RECOVERY System FIG ...

Page 24: ... being discharged by the pump will have a constant temperature when enters the vacuum pump service liquid connection The same amount of service liquid taken from the outside source must be over flowed through the separator overflow connection situated at the pump shaft cen terline This system is utilized in many applications for conditions where there is intermittent use or low vacuum levels or th...

Page 25: ...osen oil are such that at pressures below 75 Torr the pump capacity is greater than what would be when using water and higher vacuum levels are attain able When operating the vacuum pump discharges the gas handled with a por tion of the liquid in tank ITEM 15 that acts as separator of gas from the oil and let settle any condensable or particles coming through the pump suction flange The circulator...

Page 26: ...r which they were intended including in particular products operated at in excessive temperature or dirty environments products used in conjunction with corrosive erosive or explosive liquids or gasses and or products malfunctioning as a result of build up of material in the internal parts thereof Products which are disassembled without the prior written consent of the Company and or which are rep...

Page 27: ...ill result in carry over This is when the discharge of the system becomes greater than the vacuum The separator element becomes saturated with the sealing fluid oil and the pressure starts forcing an oil mist out of the discharge port This will result in ruining the separator element cause the discharge pressure to exceed 4psig and you will have a significant drop in performance of the system Liqu...

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