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Liquid Ring & Rotary Vane Vacuum Pumps and Systems
www.travaini.com
Web Site:
Continuing research of TRAVAINI PUMPS USA results in product improvements; therefore any specifications may be subject to change without notice.
PRINTED IN USA
DATE 4/02
200 NEWSOME DRIVE
YORKTOWN, VA 23692
Telephone: 757.988.3930
Toll Free: 800.535.4243
Fax: 757.988.3975
F:/MVUOTGB4
Operating &
Maintenance
Manual
for
Liquid Ring
Vacuum Pumps,
Compressors
& Systems
TRH-TRS-TRM-TRV-SA
Water Sealed & Oil Sealed (DynaSeal
Systems
Liquid Ring & Rotary Vane Vacuum Pumps and Systems
TM
)
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Summary of Contents for Travaini Pumps USA TRH Series
- Page 1 Toll Free: 800.535.4243 www.travaini.com Fax: 757.988.3975 Web Site: Continuing research of TRAVAINI PUMPS USA results in product improvements; therefore any specifications may be subject to change without notice. Liquid Ring & Rotary Vane Vacuum Pumps and Systems PRINTED IN USA F:/MVUOTGB4...
- Page 2 Travaini Pumps USA on and for which this document is provided. In preparing this manual, every possible effort has been made to help the customer and operator with the proper installation and operation of the pump and/or system.
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Page 3: Table Of Contents
TABLE OF CONTENTS SECTION PAGE SECTION PAGE General instructions..............Typical installation schematics for vacuum pumps ....18 Safety instructions................ 9.10 Typical installation schematics for compressors ....19 In case of emergency..............9.11 Connections location............20 Basic first aid ..............9.12 Pump engineering data............ -
Page 4: General Instructions
Please contact TRAVAINI PUMPS USA should you have any difficulty or doubt. 3 - IN CASE OF EMERGENCY NOTE: Drawings appearing in this manual are only schematics. These drawings are not for construction. -
Page 5: Pump Outlines
15°C (60°F) as service liquid, see section 17 for additional may have occurred during transportation information. Contact TRAVAINI PUMPS USA before using liquids with properties • in the event of damage, report this immediately to the transport company outside the ranges listed above. - Page 6 The pump or assembly must ALWAYS be moved and transported in the horizontal position. Prior to moving the unit find the following: • total weight • center of gravity • maximum outside dimensions • lifting points location. For safe lifting to prevent material damages and/or personal injuries is recommended to use ropes, or belts properly positioned on the pump and/or lifting eyebolts and make correct movements.
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Page 7: Storage Instructions
• do not store in areas with less than 5 °C (41 °F) temperature (for lower For pump driven with V-Belt, please consult TRAVAINI PUMPS USA for further temperature it is necessary to completely drain the pump of any liquids that information. - Page 8 2 - Insert the perforated metal sheet coupling guard inside the lantern so that the coupling 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.
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Page 9: Electrical Connections
Contact TRAVAINI PUMPS USA for specific details. Table 2... -
Page 10: Piping Connections
9.1 - PIPING CONNECTIONS Heat exchanger Identify first locations and dimensions of all connections required to interconnect It cools the service liquid for those systems with total liquid recovery: it can be the pump with the installation, then proceed with the actual piping: connect the plate and frame, shell and tube or radiator type, depending upon the application. -
Page 11: Installation Of "Water Sealed" Systems
All other connections, (heat exchanger, draining, etc.) must be properly done. See TRV 65-300 fig. 37 for location of connections. TRV 65-450 10.5 For the above pumps running as compressors without the specific performance curves, please contact TRAVAINI PUMPS USA. – 15 – – 16 –... -
Page 12: Vacuum Pumps
9.8 - SERVICE LIQUID FLOW (H O at 60°F) AND PRESSURE FOR 9.9 - TYPICAL INSTALLATION SCHEMATICS FOR VACUUM PUMPS 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- 1 Separator/ ments are valid for the compressor total performance curve. -
Page 13: Typical Installation Schematics For Compressors
9.10 - TYPICAL INSTALLATION SCHEMATICS FOR COMPRESSORS 9.11 - CONNECTIONS LOCATION 19 Valve for spare vacuum connection 20 Vacuum 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... - Page 14 Table 6 - Pump series TRS PUMP MODEL Qty. Location Connection Size Location Connection Size Manifolds TRSE 32 3/8” GAS TRSC 32 TRSE 40-55 to 150 3/4” GAS TRSC 40-55 to 100 1/2” GAS TRSC 40-150 1/2” GAS TRSE 50-220 3/4”...
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Page 15: Pump Engineering Data
9.12 - PUMP ENGINEERING DATA Table 8 (continued) Table 8 Weight Operating Installed Weight Weight Operating Installed Noise assembly Speed Motor Size Weight assembly Weight PUMP Noise assembly Speed Motor Size Level assembly Monoblock Monoblock Bare PUMP MODEL Level with 60 Hz motor Monoblock 50 Hz motor... -
Page 16: Check List Prior To Start-Up
NOTE: See section 11.4 to 11.6 for OIL SEALED (DynaSeal™) systems start-up, 10 - CHECK LIST PRIOR TO START-UP operation and shut-down. All questions listed below must have POSITIVE answers prior to 11.1 - START-UP of WATER SEALED Systems proceeding to the pump start-up. Please note that the following is a (In the following, reference is made to certain ITEM numbers, which appear on fig. -
Page 17: Shut Down Of "Water Sealed" System
11.3 - SHUT DOWN of “WATER SEALED” SYSTEMS • the pressure gauge of the oil demister separator does not read more than 4 psi. First close the service liquid flow and cooling liquid flow (if applicable) then shut When this value is exceeded, it will be required to change the filter element. down the circulating pump, ITEM 22, (if applicable). -
Page 18: Oil Sealed (Dynaseal™)" Systems
During operation it must be avoided to have sudden and frequent variations from installed at the housing, ITEM 2, will pro- TYPICAL BILL OF MATERIALS high to low vacuum. (e.g. suddenly opening the suction valve when the pump is vide an indication of the filter being operating at pressures lower than 150 Torr). -
Page 19: Bearings And Mechanical Seals Maintenance
TRHE 40-140/190 6306.2RSR types of materials, design and installa- TRSC and TRSE 50 tions (see fig. 28). TRAVAINI PUMPS USA TRHB 50 - TRVA 50 and 65 6308 has evaluated their selection at the time TRHB/C 80 - TRSB/C 100 6310 of pump design;... -
Page 20: Trouble Shooting: Problems, Causes And Solutions
Disassemble the pump to remove the foreign found in this chart or should there be any doubts; do not hesitate to contact objects (see “Disassembly & Assembly TRAVAINI PUMPS USA or your local distributor. Instructions”) 17 Low suction pressure Open the vacuum regulating valve and/or the... -
Page 21: Spare Parts
It is therefore, recommended to stock the following spare parts for each pump the changes in capacity at different pressures must be analyzed case by case. size: Please refer the conditions to TRAVAINI PUMPS USA when these corrections are needed. Impeller set... -
Page 22: Service Liquid Temperature Change Across The Pump
17.2 - SERVICE LIQUID TEMPERATURE CHANGE ACROSS THE PUMP 17.3 - OPERATION WITH PARTIAL RECOVERY OF SERVICE LIQUID The service liquid of a liquid ring pump absorbs total heat QT as follows: Where the working conditions will allow it, the service liquid temperature can be increased utilizing a smaller quantity of fresh liquid from an outside source. -
Page 23: Units Conversion Table
18 - ENGINEERING DATA FOR 17.4 - UNIT CONVERSION TABLE “WATER SEALED” SYSTEMS FIG. 32 FULL RECOVERY System Absolute Pressure Vacuum TYPICAL BILL OF MATERIALS FIG. 32a PARTIAL RECOVERY System WORKING PRINCIPLE The WATER SEALED packages main com- ponents are: a liquid ring vacuum pump ITEM 21 from series TRH, TRS, TRM, TRV, an air/liquid separator reservoir ITEM 19, a heat exchanger ITEM 7, all... - Page 24 The gas/liquid mixture is separated in a cylindrical tank (separator), the gas is Table 12 - GENERAL AND NOT BINDING ENGINEERING DETAILS vented through the top mounted discharge flange of the separator and the liquid FOR “WATER SEALED” and “OIL SEALED (DynaSeal™)” SYSTEMS is collected at the bottom of the separator ready to be returned to the vacuum Dry weight lbs.
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Page 25: Product Data Information Form
19 - ENGINEERING DATA FOR 20 - PRODUCT DATA INFORMATION FORM “OIL SEALED (DynaSeal )” SYSTEMS WORKING PRINCIPLE OIL SEALED (DynaSeal™) packages main components are: a liquid ring vacuum pump, ITEM 4, from series TRH, TRS, TRM, TRV, an air/liquid separator reservoir, ITEM 1A, a heat exchanger ITEM 9 and an oil demister filter, ITEM 1B. - Page 26 CONFIDENTIAL PRICE LIST PTTP # 01-07 WARRANTY TRAVAINI PUMPS USA have been misused or neglected or not used for the purpose(s) for which they were Subject to the terms and conditions hereof, Travaini Pumps U.S.A., Inc. (hereafter intended, including, in particular, products operated at/in excessive temperature or dirty referred to as the “Company”) warrants that the products and parts of its manufacture...
- Page 27 Both ends of the electric motor should be greased once yearly using one pump stroke with 375º to 500º Drop Point lubricant. The vacuum pump should be greased every 4 to 5 months (application dependent) with 2 to 3 strokes per grease fitting. ______________________________________________________________________________________________________________ ® Travaini Pumps USA, Inc. pompetravaini group company (757) 988-3930 • Fax (757) 988-3975...
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