Series 6500 & 6600 - User Manual
Contents
1. ONV A 9 HUM d d A G S 39YL10A ONILVYIdO ANY i m FONVISISSY 0907 OL TVNOLMOdOdd 310N AO a any ld OLLINOVA 11 44 TT Vaidy d44vs E G IN3N33IN033 ALIYV10d ON nan UUU G 84 IVN9IS 205 410N 4345 IIA P S de dek OZ ubu Uompipieu Pjal4 Do9Id L QOLLOGA 6 aniy 033 0033 41 300L 40 WAWINIA GVO 4001 ONldd OL la QUY x YSLYSANOO 1 3 e isnipy esuno 0907 NvdS 8 O O asa30 LA 035 Gs Y00S GVO XVNW re MOLVOIONI l EE N3d0 diyd 03LSIMI 43030938 a J INADld S S N SE 7 281 Ol 6 AgZ OZ AlddNS Y3mOd N JOUIWOU Arz 7 SC al Thermo Fisher Scientific 81 Wyman Street P O Box 9046 Waltham Massachusetts 02454 9046 United States www thermofisher com2. END SUPPORT ENLARGED VIEW OF SUPPORT Figure MAN 104 ssue General Assembly Nominally Sized 12mm to Flowmeter 50mm 0 5 to 2 PARTS 1151 1 BODY 2 ROTOR ASSY 3 FRONT END SUPPORT 4 REAR END SUPPORT 5 CIRCLIP 6 PICK UP ASSEMBLY 7 PICK UP STUB OR LOCKNU DIRECTION OF FLOW ENLARGED VIEW OF FRONT SUPPORT J N END SUPPORT END SUPPORT BOSS VANE Figure JA 6 m o LEADS OR CONNECTOR eet AS APPLICABLE a e N 5 ENLARGED VIEW ROTOR ASSY FRONT REAR FACE FACE a E SOTO EY BALLRACE ROTOR SHAFT BEARINGS BEARING SPACER General Assembly S Flowmeter Nominally Sized 64mm 2 5 amp Flowmeters Nominally Sized 100mm A 150mm 4 amp 6 Where Applicable 1 BODY SLEEVE BEARING 2 END SUPPORT ROTOR ASSEMBLY 4 CIRCLIP 5 FLANGE ROTOR Z 6 PICK UP STUB d END STOP 7 PICK UP ASSEMBLY BEARING STONE 3 END SUPPORT HRUST BALL 4 amp 6 ENLARGED VIEW OF SUPPOR Figure 4 n 25 0 MAN 106 issue D General Assembly Flowmeter Nominally Size
3. Series 6500 amp 6600 Inline Turbine Flow meters User Guide DIN 057 0352 002 Revision C 2011 Thermo Fisher Scientific Inc All rights reserved All trademarks are the property of Thermo Fisher Scientific Inc and its subsidiaries Disclaimer Thermo Fisher Scientific Thermo Fisher makes every effort to ensure the accuracy and completeness of this guide However we cannot be responsible for errors omissions or any loss of data resulting from errors or omissions Thermo Fisher reserves the right to make changes to the guide or improvement to the product at any time without notice The material in this guide is proprietary and cannot be reproduced in any form without expressed written consent from Thermo Fisher Process Instruments 1410 Gillingham Lane Sugar Land TX 77478 USA 1 800 437 7979 1 713 272 0404 direct 1 713 4573 fax 14 Gormley Industrial Avenue Gormley Ontario LOH 1G0 CANADA 1 905 888 8808 1 905 888 8828 fax Unit 702 715 7 F Tower West Yonghe Plaza No 28 Andingmen East Street Beijing 100007 CHINA 86 10 8419 3588 86 10 8419 3580 fax A 101 1CC Trade Tower Senapati Bapat Road Pune 411 016 Maharashtra INDIA 91 20 6626 7000 91 20 6626 7001 fax lon Path Road Three Winsford Cheshire CW7 3GA UNITED KINGDOM 44 0 1606 548700 44 0 1606 548711 fax www thermoscientific com This page intentionally left blank Ser
4. downstream of the meter Reducers should be tapered cone sections where possible See Figure 1 B Section 4 Page 1 of 6 Thermo Fisher Scientific Series 6500 amp 6600 Inline Turbine Flowmeters INSTALLATION Tanks Where the flowmeter is installed in a line fitted to the bottom of Liquid Applications a storage vessel it is advisable to fit a baffle plate over the hole in the tank in order to prevent the liquid vortexing through the flowmeter See Figure 1 C For liquid applications air entrainment is to be avoided Where it is possible that air could be present in the line an air eliminator may be fitted as illustrated in Figure 1 C Air Entrainment Liquid Applications In custody transfer applications it is imperative that all air entrainment be removed from the liquid before it reaches the flowmeter This can be achieved by fitting an Air Gas Separator See Figure 1 C Filtration Extremely fine filtration is not required with sleeve bearings however a coarse filter should be fitted upstream of the flowmeter for protection against damage by pipe scale welding splatter and other foreign material Liquid Meters With Sleeve Bearing Recommended filter mesh sizes are as follows Liquid And Gas Meters With Ballrace Bearing Section 4 Page 2 of 6 Meter size Meter size Perforation Mesh size mm inches size 6mm to 12mm 0 25 to 5 0 12mm 120 16mm to 25mm 0 625 to 1 0 2mm 80 38mm to 64mm 1 5
5. to retain concentricity of the bearing shaft centre with respect to the body bore and peen with a flat face small diameter hammer Tap at three points near the vane ends and at the centre Draw the material using both faces of the vanes Where new supports are found to be oversize each vane may be filed equally to achieve a good fit Rear end supports may be drifted out using a plastic or wooden drift TOWARDS the upstream end of the meter A small amount of free play movement in the rotors is allowable and part of the design All threads are right handed clockwise to tighten Thermo Fisher Scientific Series 6500 amp 6600 Inline Turbine Flowmeters Category 1 Meters INSPECTION AND REPAIR 6mm 0 25 Liquid Use Only Disassembly Inspection Shafts Bearings General Appearance Section 6 Page 2 of 14 Refer to Figure 2 and read General Notes on Construction No special tools required Start at upstream end inlet a Remove support retainer 5 using a 9 5mm 0 375 screwdriver NB It may be necessary to relieve the centre of the screwdriver blade to avoid damage to the support nose b Pull out front end support 3 as per General Notes on Construction With care withdraw the rotor and shaft assembly 2 Remove rear end support 4 towards the support retainer end as per General Notes on Construction Tungsten carbide or stellite pinion These should be free from wear scoring or ab
6. OUT MAINTENANCE WORK Section 5 Page 1 of 1 Thermo Fisher Scientific Series 6500 amp 6600 Inline Turbine Flowmeters MAINTENANCE This page is blank Section 5 Page 2 of 2 Thermo Fisher Scientific Series 6500 amp 6600 Inline Turbine Flowmeters SECTION 6 Inspection and Repair General Notes on Construction Section 6 Page 1 of 14 INSPECTION AND REPAIR Before removing a meter from a process line read the Safety notes in section 2 The following procedures assume the meter has been removed from the line and that a clean working area is available with a clean high density rubber polyurethane or similar covering Covering should be non splinter non powdering etc Before attempting any disassembly please study the relative General Assembly Drawing Figures 2 5 The category 1 and 2 meters 6mm 50mm 0 25 to 2 inclusive are designed such that sub assembly parts can only be removed from the upstream end The body of the meter provides the positioning stops against the direction of flow A close fit of the end supports in the meter body is achieved by a honing operation For removal front end supports should be gripped by parallel motion pliers plain faces and pulled out Where fitting new supports that for any reason have been found to be undersize i e not capable of achieving a tight fit it is permissible to lightly peen the edges of the support vanes It is important to treat each vane equally
7. Substances Hazardous to Health 2 1 Pressure Hazards 2 1 Electrical Safety 2 1 Meter Protection 2 2 Handling 2 1 Pick ups 2 2 Installed Protection 2 2 SECTION 3 GENERAL DESCRIPTION Principles of Operation 3 1 SECTION 4 INSTALLATION Installation 4 1 Flow Straightening 4 1 Pipe Reduction 4 1 Tanks Liquid Applications 4 2 Air Entrainment Liquid Applications 4 2 Filtration 4 2 General Notes on Pick ups 4 3 Electrical Installation 4 5 SECTION 5 MAINTENANCE Liquid Meiers All Sizes 5 1 Gas Meters Sizes 12 to 64mm 0 5 to 2 5 5 1 Gas Meters Sizes 100 to 508mm 4 to 20 5 1 Index Page 1 Thermo Fisher Scientific Series 6500 amp 6600 Inline Turbine Flowmeters INDEX SECTION 6 INSPECTION AND REPAIR General Notes on Construction 6 1 Category 1 Meters 6mm 0 25 diameter 6 2 Disassembly 6 2 Inspection 6 2 Re assembly 6 3 Category 2 Meters 12 to 50mm 0 5 to 2 diameter 6 4 Disassembly 6 4 Inspection 6 4 Re assembly 6 5 Category 3 Meters 64 to 150mm 2 5 to 6 diameter 6 7 Disassembly 6 7 Inspection 6 7 Re assembly 6 8 Category 4 Meters 100 to 508mm 4 to 20 diameter 6 10 Disassembly 6 10 Inspection 6 11 Re assembly 6 13 Pick ups 6 14 SECTION 7 TROUBLE SHOOTING Pick ups 7 1 Flowmeter And Accessories Fault Finding Chart 7 2 SECTION 8 APPENDIX Figure 1 Product Stream Conditioning Figure 2 6mm 0 25 Sleeve Flowmeter Figure 2a 6mm 0 25 Flowmeter Figure 3 12 to 50mm 0 5 to 2
8. Turbine Flowmeters INSTALLATION This page is blank Section 4 Page 6 of 6 Thermo Fisher Scientific Series 6500 amp 6600 Inline Turbine Flowmeters MAINTENANCE SECTION 5 Maintenance Liquid Meters All Sizes No maintenance can be carried out on the internal parts of this type of meter whilst it is in operation The only maintenance is to the external paris of the meter e electrical enclosures electrical signal conditioning units and circuits REMEMBER TO ISOLATE ALL ELECTRICAL SUPPLIES BEFORE CARRYING OUT MAINTENANCE WORK Gas meters No maintenance can be carried out on the internal parts of this i type of meter whilst it is in operation The only maintenance is Sizes 12mm to 64mm f 0 5 to 2 5 to the external parts of the meter i e electrical enclosures electrical signal conditioning units and circuits REMEMBER TO ISOLATE ALL ELECTRICAL SUPPLIES BEFORE CARRYING OUT MAINTENANCE WORK Gas Meters No maintenance can be carried out on the internal parts of this Sizes 100mm to 508mm _ type of meter whilst it is in operation except for lubrication of the 4 to 20 meters bearings via the lubrication tube OIL GUN USE OIL GUN FILLED WITH SILICONE EG BP 05151 OIL EVERY 3 MONTHS The only other maintenance is to the external parts of the meter i e electrical enclosures electrical signal conditioning units and circuits REMEMBER TO ISOLATE ALL ELECTRICAL SUPPLIES BEFORE CARRYING
9. a b Select the rear end support This has a smaller overall diameter than the front support assembly Insert rear end support carefully using if necessary a soft drift and rubber mallet the drift should be almost full bore diameter do not use punches Support vane positioning insert the rear end support such that two vanes are at roughly 45 each with respect to the centre line of the pickup well i e with the centre line of the meter and pick up vertical the vanes are positioned as an X Fit the rotor and shaft assembly into the bore The rotor blades have a leading edge and a trailing edge and must be installed in a particular direction refer to Figure 3 Do not attempt to force the rotor shaft into the rear end support gentle guidance only should be used Shaft ends are tapered Thermo Fisher Scientific Series 6500 amp 6600 Inline Turbine Flowmeters Re Assembly continued 4 Section 6 Page 6 of 14 INSPECTION AND REPAIR Insert the front end support and ensure the blade positions match those of the rear end support Again care should be taken in inserting the rotor shaft into the front end support Hold the meter with its bore vertical entry facing upwards Ease in the front end support until close to the rotor shaft Tip the meter over such that the rotor drops forward into its front bearing then complete insertion of the end support to its stop Check the freedom of rotation by gently b
10. not influenced by the type of end connection with which individual flowmeters are provided e g flanged threaded etc The basic designs of the internal parts of the flowmeter vary with nominal size As a result of this for the purposes of describing maintenance procedures the meters have been divided into four categories as follows Category 1 6mm 0 25 Category 2 12 to 50mm 0 5 to 2 Category 3 64mm to 150mm 2 5 to 6 Category 4 100 to 508mm 4 to 20 In the case of 100 to 150mm 4 to 6 meters two design types exist one of which will be superseded Maintenance procedures for each option are included in this manual Section 1 Page 1 of 2 Thermo Fisher Scientific Series 6500 amp 6600 Inline Turbine Flowmeters INTRODUCTION ODUCTION Other Sources Of For specific details of meter types available operating ranges Information special applications accessories physical dimensions etc reference should be made to the current product datasheets If there are any doubts regarding the proposed use or installation of the meter s supplied please contact Thermo Fisher Technical Notes are available containing detailed performance specifications and application requirements for all types of turbine meter For Inline Meters fitted with sleeve bearings the following publications are available Technical Note 003 Inline Flowmeter Application Guide Technical Note 005 Inline Flowmeter Calibration and Performance S
11. to 0 030 Calibrate or reinstall as required Thermo Fisher Scientific Series 6500 amp 6600 Inline Turbine Flowmeters Category 2 Meters 12mm to 50mm 0 5 to 2 Liquid and Gas Use Disassembly Inspection Liquid Meters Fitted With Sleeve Bearings Shafts Sleeve Bearings General appearance Section 6 Page 4 of 14 INSPECTION AND REPAIR No special tools required Start at upstream end inlet Refer to Figure 3 and General Notes on Construction a Remove circlip 5 Note the 6800 series meter has a circlip at both ends but only one needs to be removed to enable the capsule to be removed b Pull out front end support 3 c With care extract the rotor and shaft assembly 2 d Remove rear end support 4 towards the circlip end of the meter as per General Notes on Construction These should be free from wear scoring or abrasion Table of dimensions Meter size Shaft diameter Mm inches mm Inches 12 0 5 1 93 0 0760 15 0 625 1 93 0 0760 18 0 75 2 77 0 1094 25 1 0 2 77 0 1094 37 1 5 4 77 0 1850 50 2 0 6 35 0 2500 Tolerances 0 01mm 0 0005 These should show no signs of wear excessive scoring or ovality Dimension The bore must be within the following limits Measured shaft diameter 0 05 mm to 0 01 mm 0 002 to 0 0005 Check end stones are present and not loose split or damaged The surface condition of all parts in the liquid flow can affect performan
12. to 2 5 0 5mm 40 100mm to 150mm 4 0 to 6 0 2 0mm 10 203mm to 406mm 8 0 to 16 0 5 0mm 4or 6 Good filtration is recommended for meters fitted with ballrace bearings for liquid or gas use Recommended filter sizes are as follows Meter size Meter size Perforation size mm inches 6mm to 12mm 0 25 to 5 5 micron 16mm to 25mm 0 625 to 1 10 micron 38mm to 64mm 1 5 to 2 5 20 micron 100mm to 150mm 4 0 to 6 0 50 micron 203mm to 406mm 8 0 to 16 0 200 micron Thermo Fisher Scientific Series 6500 amp 6600 Inline Turbine Flowmeters INSTALLATION General Notes Regarding Turbine meters often have more than one pick up After Pick Ups installing the turbine meter in the process line if the pick ups are available fit them in order to protect the wells into which they fit All standard flowmeters leave Thermo Fisher with at least one pick up In special applications more than one pick up may be supplied eg a Custody transfer pulse security checking requires two pick ups usually 90 displaced in electrical phase relationship b Where a third pick up is fitted for meter proving c Two pick ups are used with bi directional turbine meters and the direction of flow is derived from the phase difference between the outputs Pick ups are easily removed for installation access maintenance etc NB All pick ups have a male thread that engages with a female threaded blind hole In o
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14. LARAGED VIEW OF ROTOR d y 19 2 4 A Noe ah Nat DIRECTION OF FLOW END SUPPORT VANE ENLARGED VIEW OF SUPPOR WG 01 NUP So SES h 5 General Assembly Flowmeters Nominally Sized 6mm 0 25 O p PARTS LIST 6 5 CONNECTOR ROTOR ASSY AS APPLICABLE FRONT END SUPPORT REAR END SUPPORT SUPPORT RETAINER ICK UP ASSEMBLY ICK UP STUB OR LOCKNUT No ENLARGED VIEW OF ROTOR FRONT REAR FACE El FACE 222 SHAFT BEARING SPACER BALLRACE BEARING SR 2 21 4 d 2 E gt DIRECTION OF FLOW 3 FA 2 k ROTOR SHAFT END SUPPORT END SUPPORT BOSS VANE NLARGED VIEW OF SUPPORT LO E gt O b gt MAN 152 issue B Assembly Flowmeter General Nominally Sized 12mm to 50mm 0 5 to 2 22 22 E ON DADTC E ARTS LIST SS LEADS OR 1 BODY AD ECTOR APPLICABLE 2 ROTOR Se y CH N E Se 3 FRONT END SU e 4 REAR END SUP 5 CIRCLIP 6 PICK UP ASSE A K 2 PICK UP u U SLEEVE BEARING ENLARGED VIEW VIEW OF PPORT PORT MBL Y REAR ROTOR ROTOR SHAFT
15. OJYEODNI GADVWV SNOILOANNOO 030 2 48001 HOS Z NOLLO3S 338 dnyold 301438 gt U ZO 31ON 339 HALI4INMOT I MOSHO z 31 338 10141 Y 03 9031 anyold SHA t 31 338 3 SS4320OHd DNIMO 13 0111 SSI908d SI NOILVE3dO 1MALNO IVN9IS 1nd1nO ON S314OSSI99V LYVHO L INV d314 N AO14 ON i i ine Fl Series 6500 amp 6600 Inline Turbine Flowmeters APPENDIX SECTION 8 Appendix Figure 1 Product Stream Conditioning Figure 2 6mm 0 25 Sleeve Flowmeter Figure 2a 6mm 0 25 Flowmeter Figure 3 1210 50mm 0 5 to 2 Sleeve Flowmeter Figure 12 to 50mm 0 5 to 2 Flowmeter Figure 4 64mm to 150mm 2 5 to 6 Sleeve Flowmeter Figure 64mm 2 5 Gas Flowmeter Figure Ab 100mm to 150mm 4 and 6 Flowmeter Figure5 100 to 508mm 4 to 20 Sleeve Flowmeter Figure ba 100 to 508mm 4 to 20 Gas Flowmeter Figure 6 Intrinsically Safe Installations Magnetic Pick up and A10 Pre Amplifier Figure 7 Safe Area Installations Magnetic Pick up and A10 Pre Amplifier Figure 8 HNon certified Installations Standard Pick up and SQ2 Square Wave Pre Amplifier Figure9 FDC1100 Frequency to Current Converter Typical Field Installation Appendix Page 1 of 2 Therm
16. SY ENLARGED VIEW OF ROTOR BEARING SHAFT HOUSING Figure SA enss yl NVA OLV 29 dn3O9la oljaeuboyy Suollo ib su ajos AUpD21SuLID1U eunbl4 A OGZ YO SW A OGZ 40 SS3OX3 N SZE SCH 2671 Sa 1 OL 1934834 HLM 79143104 40 SONOS V SNOILIGNOO zl Gun SCO gi Y NSONEY Y0 TWAYON Y30NN NIVINOO WO4 0314405 38 r Ev LON ISAW Li VHL 1430 G3ISIOJdSNA S lVuVddV VIN JAYS 910 su wYO HN NI NI 30 NI SEN 318 1 NI NMOHS S3N IVA JHL 3 1 JONVLINONI JONVLIDW avo 30029 391 0330 3 ION ISMA 43144 8 ALS4VS 30010 Y3N3Z ai INNHS JHL 40 STVNINUSL w rd SMOGYVZVH LAdLAO 3HL 318 1 OL G31O3NNOO 531892 3HL 40 Oliva 3 1 JONVISISIN l 3HL OL JONVLONGNI YO JONVLONANI ANY SONVLIOVdVO SHL 2 192 701 1 3189 NI 5341014 3 1 0339X3 LON ISAW anyola a 3 JHL ANY S314MANV 201 NLLO3NNOOM31N 620 LO S318v2 3HL 30 JONVLONONI ANY 3ONV1I9VdVO JHL 1 Hu N 4n NI wa San JONVLONGNI FONVLIOVdvO 2009 Q3H 3iv3 T SVL AN T e d y ld 031411439 SI S38Tnd G31VTnG0N IN388no v OZ ALON 448
17. Sleeve Flowmeter Figure 3a 12 to 50mm 0 5 to 2 Flowmeter Figure 4 64mm to 150mm 2 5 to 6 Sleeve Flowmeter Figure 4a 64mm 2 5 Gas Flowmeter Figure 46 100mm to 150mm 4 and 6 Flowmeter Figure 5 100 to 508mm 4 to 20 Sleeve Flowmeter Figure ba 100 to 508mm 4 to 20 Gas Flowmeter Figure 6 Intrinsically Safe Installations Magnetic Pick up and A10 Pre Amplifier Figure 7 Sale Area Installations Magnetic Pick up and A10 Pre Amplifier Figure 8 Non certified Installations Standard Pick up and 502 Square Wave Pre Amplifier Figure 9 FDC1100 Frequency to Current Converter Typical Field Installation Index Page 2 Thermo Fisher Scientific Series 6500 amp 6600 Inline Turbine Flowmeters INTRODUCTION ODUCTION SECTION 1 Introduction Purpose This manual has been laid out to give the end user guidance on installation detailed maintenance procedures and spare parts availability All turbine meters require a pick up to provide a measurable electrical output and in turn there are electronic accessories that may be connected to the pick up output to condition or enhance the signal for onward transmission It should be noted that a wide range of pick ups is available to suit various operating conditions as outlined under General Description Applicability The information contained in this manual is applicable to Thermo Fisher s in line flowmeters fitted with sleeve or ballrace bearings The information is
18. allation conditions specified for hazardous areas Such installations forbid the use of tools or equipment which could produce an explosion hazard Meter Protection Handling DO NOT subject the meter or the pick up to excessive shock loading never use hammers or mallets Shock loading can shatter tungsten carbide parts in the meter internals Neither should foreign bodies dirt swarf etc be allowed to enter the meter bore or the pick up cavity N B Surface damage to any of the meter internal parts can affect its performance DO NOT use air lines or hoses any pressured source of air gas or liquid to check or clean a flowmeter It may be ultrasonically cleaned The danger is that rotor over speed may occur If a rotor is allowed to over speed serious bearing damage may occur Section 2 Page 1 of 2 Thermo Fisher Scientific Series 6500 amp 6600 Inline Turbine Flowmeters SAFETY Pick ups If required these are easily removed for inspection access maintenance etc All pick ups have a male thread that engages with a female threaded flat bottomed hole In order to detect the passage of rotor blades the end face of the pick up has to be close to the rotor therefore the bottom of the pick up hole is a thin section of the meter body material Pick ups are a finger tight fit only NEVER try to tighten further On some models a locking ring is fitted the same rule applies locking rings should be finger tight only usua
19. are identical NOTE For liquid meters with sleeve bearings if some end stone wear is discovered in the support that was at the rear downstream end the two can be reversed Most wear of course will occur on the downstream stone For gas meters 100mm and 150mm 4 and 6 the rear end support has provision for a lubrication tube a Insert rear end support to the shoulder depth and ensure that it is correctly seated Fit the lubrication tube assembly 100mm and 150mm 4 amp 6 gas meters only b Fit rear circlip and ensure that it is correctly seated c Ease the rotor and shaft assembly into the bore and feed the shaft into the sleeve Ensure the rotor is facing the correct way enter trailing edge first d Fit the front end support with care and ensure the shaft correctly enters the sleeve e Fit front circlip and ensure that it is correctly seated f Meters with sleeve bearings Check the rotor has end float and rotates freely The design end float is 0 64 to 1 20mm 0 025 to 0 050 g Calibrate or re install as applicable Thermo Fisher Scientific Series 6500 amp 6600 Inline Turbine Flowmeters Category 4 Meters 100mm To 508mm INSPECTION AND REPAIR 4 20 Liquid And Gas Use Notes On Construction Intrusive pick ups Liquid Meters Only Section 6 Page 10 of 14 REMINDER Read Section 6 General Notes On Construction and refer to Figure 5 This category comprises the la
20. blished during calibration and is termed The Calibration Constant The variation of this constant over a specified rate of flow range is defined as the meter linearity The pulses are fed to appropriate electronic units or computer interface cards for processing to provide totalised and rate of flow readouts The pulse density number of pulses per rotor revolution depends on the number of rotor blades It is generally desirable to have as high a pulse density as possible to increase the resolution of measurement increasing the pulse density by increasing the number of rotor blades is only possible within certain limits This effect where it exists is overcome by shrouding the rotor fitting a rim into which are embedded slugs of ferromagnetic material at regular intervals around the periphery Thermo Fisher Scientific Series 6500 amp 6600 Inline Turbine Flowmeters GENERAL DESCRIPTION This page is blank Section 3 Page 2 of 2 Thermo Fisher Scientific Series 6500 amp 6600 Inline Turbine Flowmeters INSTALLATION SECTION 4 Installation The Thermo Scientific range of turbine flowmeters has been designed to give high accuracy with long term stability and operating life To ensure this it is recommended that the following points be considered during installation All meters have the Direction of Flow marked on the body Incorrect flow direction will produce an installed calibration error Flow Straightening Th
21. ce the main problem being damaged surfaces such as gouges burrs cuts etc Surface finish or roughness has much less potential effect on the main criterion that of repeatability The rotor blades must not be bent or otherwise damaged Calibration performance and balance will be adversely affected Reject and replace damaged parts Thermo Fisher Scientific Series 6500 amp 6600 Inline Turbine Flowmeters Category 2 Meters Inspection Liquid and Gas Meters Fitted With Ballrace Bearings Shafts Ballrace Bearings General Appearance Re Assembly Section 6 Page 5 of 14 INSPECTION AND REPAIR See Figure 3a These should be free from wear scoring or abrasion Table of Dimensions Meter size Shaft diameter mm inches mm inches 12 0 5 1 20 0 0469 15 0 625 1 20 0 0469 18 0 75 1 98 0 0781 25 1 0 1 98 0 0781 37 1 5 6 35 0 2500 50 2 0 6 35 0 2500 Tolerances 0 01mm 0 0005 These should show no signs of wear or contamination They should be replaced if any deterioration is suspected The surface condition of all parts in the liquid or gas flow can affect performance the main problem being damaged surfaces such as gouges burrs cuts etc Surface finish or roughness has much less potential effect on the main criterion that of repeatability Reject and replace damaged parts Rotor blades must not be bent or otherwise damaged Calibration performance and balance will be adversely affected
22. d 64mm 2 5 LEADS OR CONNECTOR 5 AS APPLICABLE PARTS LIST as 1 BODY END SUPPORTS 3 ROTOR ASSEMBLY 4 CIRCLIPS 5 FLANGE 6 PICK UP STUB 7 PICK UP ASSEMBLY DIRECTION OF FLOW ENLARGED VIEW OF END SUPPORT ENLARGED VIEW ROTOR ASSY FRONT REAR FACE FACE 4 Z d 7 N ROTOR SHAFT z BALLRACE u Ge 2 BEARINGS END SUPPORT N BOSS BEARING SPACER END SUPPOR VANE Figure 4A MAN 154 issue B General Assembly Nominally Sized 100mm mm 4 amp 6 Z DIRECTION OF FLOW SUPPORT K ANE PARTS LIST BALLRACE BEARING BODY 2 END SUPPORT ASSY Sa ROTOR ASSEMBLY 4 CIRCLIP RQ EN A 5 FLANGE 6 PICK UP 7 PICK UP 8 LUBE Figure 4B TUBE STUB ASSEMBLY ASS Y ROTOR ENLARGED SHAFT VIEW OF FRONT SUPPORT MAN 151 issue B l qeornddy H 7 2 m E VE TiTi AAA 29 Y P MUST Y UTU QOT P9ZIS AIUISUIDION sa y ou Y 02 8 VIUIBOS o 010100 P9ZIS AIISOIOON SJOJOUIMOTY Te ATQquiessy eJ1ouar G inbi OQ y UO MOD y 1105 10101 y UO y uo peyojo sino y UO PayJNOW Si MOJ JO 012 bunulod a
23. e main requirement for turbine meter flow measurement is repeatability i e for any particular flow rate the same number of pulse per unit volume is obtained This can only be achieved if the liquid or gas is flowing smoothly and fully axially in the pipe i e there is no swirl or flow pulsation If the upstream pipe work for a distance of at least twenty pipe diameters has no fittings such as valves other than full flow gate or ball valves or bends other than large radius tees etc then a minimum length of clean bore pipe of ten flowmeter pipe diameters should be provided immediately upstream of the meter Wherever any fittings or pumps are installed upstream of the meter then a length of pipe of twenty diameters should be provided The best practice is to use a Thermo Scientific flow straightener as illustrated in Figure 1 A see Appendix Downstream conditions can reflect back on a meter Usually it is satisfactory to halve the straightener pipe lengths stated above The API manual of flow measurement recommends 10 diameters of straight pipe upstream and 5 diameters downstream as a minimum Pipe Reduction A turbine meter is sized to accommodate a rate of flow range and not necessarily to match a given pipe size It is thus often the case that pipe reduction is required prior to installing the meter Reducers should be installed with a minimum of 10 diameters of straight pipe of meter diameter upstream and 5 diameters
24. ent i e there is an allowance in the torque applied to safely achieve an additional 60 of rotation The torque applied should be at least 20ftlbf 25 nm Thermo Fisher Scientific Series 6500 amp 6600 Inline Turbine Flowmeters Pick ups Section 6 Page 14 of 14 INSPECTION AND REPAIR Fit the locking tab and shakeproof vvasher Position the meter body vertically vvith the already assembled support at the bottom Carefully enter the rotor assembly Fit the other end support assembiy 8 on to the exposed shaft of the rotor Assemble together the three vanes 6 and the support tube 5 laying the vanes such that they overhang the inner end of the support tube to enable entry into the meter bore On lovvering the vanes support tube over the end support the vanes will automatically move outvvards when their edges make contact with the end support assembly 8 To avoid damage to any parts lower gently Fit the support plate 4 and then nut 3 Hand tighten the nut ensuring the vanes are correctly positioned between the bore shoulders Hand tighten until the end support total assembly is firm in the meter body then check the rotor for freedom of rotation and some end float DO NOT USE YOUR FINGERS TO ROTATE ROTOR Instead carefully use for example wood dowel or aluminium rod The design end float for meters with sleeve bearings is 0 75 to 1 92mm 0 036 to 0 075 When satisfied with the rotor fit tor
25. following notes a Rear Assemble an end support assembly 8 with a support tube 5 and three vanes 6 held together The vane taper mates up to the tube taper The vanes should be drawn away from the tube axially to reduce the overall assembly diameter This will enable the assembly to be entered and centralised in between the two location shoulders machined in the body Note for gas meters the end support assembly 8 and support tube 5 have holes to accept the lubrication tube These holes must be aligned with the hole in the meter body See Figure 5a Adjust the vane positions such that pickup positions are roughly in the mid position of space between vanes Obviously the easiest to position is the single pickup position the vanes like a Y with the pickup position mid position in the arms of the Y Assemble the centralising plate 4 and then support nut 3 loosely It can be seen that tightening the nut will cause the vanes to rise on their tapers This is how they lock into their location diameter BEFORE tightening ensure that all three vanes are within their locating shoulders due to the mechanical advantage of the taper system it is very easy to damage the shoulder edges For gas meters make sure the lubrication tube can be correctly located When perfectly positioned the nut can be tightened As there is a need to align the locking tab 7 to straddle a vane the torque can be increased to obtain alignm
26. gouges burns cuts etc The rotor blades must not be bent or otherwise damaged Calibration performance and balance may be adversely affected Replace any damaged parts In each end support assembly and directly behind the sleeve bearings is a separate end stone thrust plate Check this for excessive centre wear or damage etc See Figure 5a These should be free from wear scoring or abrasions Table of dimensions Meter size Shaft diameter mm inches Mm Inches 100 4 7 93 0 3125 150 6 9 52 0 375 200 8 12 7 0 500 250 10 12 7 0 500 300 12 19 05 0 750 400 16 19 05 0 750 500 20 19 05 0 750 Tolerances 0 01mm 0 0005 These should show no signs of excessive play If deterioration is suspected replace as a matter of course Thermo Fisher Scientific Series 6500 amp 6600 Inline Turbine Flowmeters Category 4 Meters Continued General Appearance Re Assembly Section 6 Page 13 of 14 INSPECTION AND REPAIR The surface condition of all parts in the liquid or gas flow can affect performance the main problem being damaged surfaces such as gouges burrs cuts etc Surface finish or roughness has much less potential effect on the main criterion that of repeatability The rotor blades must not be bent or otherwise damaged Calibration performance and balance may be adversely affected Replace any damaged parts See Figure 5 The re assembly procedure is very much the reverse of disassembly with the
27. ide will function correctly even if the flowing medium has no lubricating properties For gas meters a lubrication tube is fitted see Figure 5a The rotor support structures front and rear are identical They are multi piece sub assemblies and self centring and locking when the support nut is tightened This is achieved by tapered slots in the end support tube to which the vanes three per end slide and are forced against the bore of the meter body Thermo Fisher Scientific Series 6500 amp 6600 Inline Turbine Flowmeters Category 4 Meters continued Disassembly Inspection Liquid Meters Fitted With Sleeve Bearings Shafts Section 6 Page 11 of 14 INSPECTION AND REPAIR SPECIAL NOTE It can be considered that all the meters in this range are HEAVY thus it is recommended that the pick ups if not removed prior to removal of meter from the process line are removed and stored physically away from the meter work station to prevent inadvertent damage a b Remove lock tabs 7 each end of meter Using a plate spanner or soft drift loosen then unscrew the slotted front bearing nut 3 and remove that plus the shouldered centralising disc 4 The support assembly comprising the location vanes 6 held in tapered slots may now be released Tap the upstream edge of these vanes with a soft hammer to release them from the support tube 5 Note that the vanes are held axially between two narrow shoulde
28. ies 6500 amp 6600 Inline Turbine Flowmeters INLINE TURBINE FLOWMETERS SERIES 6500 amp 6600 HANDBOOK Rev C Revision History Thermo Fisher Scientific Series 6500 amp 6600 Inline Turbine Flowmeters This page is blank Thermo Fisher Scientific Series 6500 amp 6600 Inline Turbine Flowmeters SAFETY NOTICE Read this manual before working with the product For personal and system safety and optimum product performance make sure you thoroughly understand the contents before installing using or maintaining this product YOU ARE RESPONSIBLE FOR YOUR OWN SAFETY AND THAT OF YOUR COLLEAGUES Be aware of the weight of meters and the component parts as meters increase in size Safety boots shoes and eye protection must be worn whenever bench work is undertaken Use lifting gear as appropriate or at certain assembly or disassembly stages enlist extra help Note some items have sharp edges and corners For equipment service please contact Thermo Fisher C Thermo Scientific products satisfy all obligations arising from European Union legislation to harmonise product standards Thermo Fisher Scientific Series 6500 amp 6600 Inline Turbine Flowmeters This page is blank Thermo Fisher Scientific Series 6500 amp 6600 Inline Turbine Flowmeters INDEX SECTION 1 Page INTRODUCTION No Purpose 1 1 Applicability 1 1 Other Sources of Information 1 2 SECTION 2 SAFETY Control of
29. inish or roughness has much less potential effect on the main criterion that of repeatability The rotor blades must not be bent or otherwise damaged Calibration performance and balance may be adversely affected Reject and replace damaged parts Check end stones or in the case of the 100mm and 150mm 4 and 6 sizes thrust balls are not loose split or otherwise damaged See Figure 4a These should be free from wear scoring or abrasions 2 5 meter 6 35mm 0 25 Tolerance 0 01mm 0 0005 4 meter 7 94mm 0 312 Tolerance 0 02mm 0 001 6 meter 9 52mm 0 375 Tolerance 0 02mm 0 001 Thermo Fisher Scientific Series 6500 amp 6600 Inline Turbine Flowmeters INSPECTION AND REPAIR Category 3 Meters Continued Ballrace Bearings General Appearance Re Assembly Section 6 Page 9 of 14 These should show no signs of wear or excessive play If deterioration is suspected renew as a matter of course The surface condition of all parts in the fluid flow can affect performance the main problem being damaged surfaces such as gouges burrs cuts etc Surface finish or roughness has much less potential effect on the main criteria that of repeatability The rotor blades must not be bent or otherwise damaged Calibration performance and balance may be adversely affected Reject and replace damaged parts For liquid meters and 64mm 2 5 gas meters both end supports
30. iquid and gas use Category 1 6mm 25 Liquid meter only Frequency 130 to 1300Hz Amplitude 10 to 100mV RMS Category 2 12mm to 25mm 5 to 1 Liquid meter Frequency 130 to 1300Hz Amplitude 30 to 300mV RMS Gas meter Frequency 240 to 2400Hz Amplitude 30 to 300mV RMS Category 2 38mm to 50mm 1 5 to 2 Liquid meter Frequency 50 to 500 Hz Amplitude 40 to 400 mV RMS Gas meter Frequency 175 to 1750Hz Amplitude 40 to 400mV RMS Category 3 64mm to 150mm 2 5 to 6 Liquid meter Frequency 50 to 500 Hz Amplitude 40 to 400 mV RMS Gas meter Frequency 150 to 1500Hz Amplitude 50 to 500mV RMS Section 4 Page 4 of 6 Thermo Fisher Scientific Series 6500 amp 6600 Inline Turbine Flowmeters INSTALLATION Category 4 100mm to 508mm 4 to 20 Liquid meter Frequency 40 to 400Hz Amplitude 50 to 500V RMS Gas meter Frequency 160 to 1600Hz Amplitude 100 to 1000V RMS Electrical Installation Because of the nature of the output signal and in particular its susceptibility to noise screened twisted cable should be used properly earthed lf the distance between the flowmeter and signal conditioning electronics exceeds 200 metres 650ft an ISA 10 pre amplifier should be fitted See Appendix Figures 6 and 7 Utilize approved Class 1 Division 1 explosion proof wiring methods Section 4 Page 5 of 6 Thermo Fisher Scientific Series 6500 amp 6600 Inline
31. lly where because the meter is small the well thread depth is limited Installed Protection The notes in Handling still apply However the following additional precautions should be observed AVOID sudden shocks e g sudden filling of the process line with a liquid The trapped air will cause rapid acceleration of the turbine and potential overspeeding ALWAYS introduce a liquid slowly relate to the meter range and DO NOT exceed its normal maximum flowrate Section 2 Page 2 of 2 Thermo Fisher Scientific 1410 Gillingham Lane ThermoFisher 5 SCIENTIFIC Tel 713 272 0404 Fax 713 272 2272 HEALTH AND SAFETY COSHH CLEARANCE FORM Failure to comply vvith this procedure vvill result in equipment service delays This form must be completed for z equipment returned to Thermo Fisher Scientific Thermo Fisher Sugar Land Depot Repair Depot repair personnel are unable to handle any equipment that has been in contact with a process fluid or hazardous material if it is not accompanied by this correctly completed Health and Safety Clearance Form All sections of this form must be completed and the form must arrive at Thermo Fisher prior to the arrival of the equipment A copy of this form must also accompany the equipment Prior to returning any equipment for service authorization must be obtained from customer service A Return Material Authorization RMA number will be issued and must be entered in Section 1 of this fo
32. lowing down the bore NOT with an airline Fit the support retaining circlip Meters with sleeve bearings Check for free rotation again and ensure end float is present between the rotor assembly and end supports by shaking the meter The design end float is 0 25mm to 0 75mm 0 010 to 0 030 Meters with ballrace bearings Check for free rotation again and absence of audible noise Calibrate or reinstall as required Thermo Fisher Scientific Series 6500 amp 6600 Inline Turbine Flowmeters Category 3 Meters 64mm to 150mm 2 5 to 6 Liquid and Gas Use Disassembly Section 6 Page 7 of 14 INSPECTION AND REPAIR REMINDER Read Section 6 General Notes On Construction and refer to Figure 4 General note on construction For liquid meters the rotor end supports are identical They are also removable from the end they face front end from the inlet end rear end from the downstream end For gas meters 100mm and 150mm 4 and 6 the rear end support has provision for the lubricating tube TOOL REQUIRED Part No TOOL 001 100mm 4 meter 002 150mm 6 meter The circlip is a spirolox retaining ring it will spiral into the groove by hand removal is by using a screwdriver the ring has a notch or slot to start the unspiralling out of the groove Recommended screwdriver is plastic handle electrician s type with long reach blade a Remove circlip front end support 4 b Wi
33. m bore See General Notes on Construction if in doubt about the fit Support vane orientation insert the rear end support such that two vanes are orientated at roughly 45 each to the centre line of the pick up i e with the centre line of the meter and pick up vertical the vanes are positioned as an X Fit the rotor and shaft for gas meters rotor shaft and bearing assembly into the bore Note the rotor blades have a leading edge and a trailing edge and must be installed in a particular direction refer to Figure 2 Do not attempt to force the rotor shaft into the rear end support gentle guidance only should be used Shaft ends are chamfered Insert the front end support and ensure the blade positions match those of the rear support Again care should be taken in positioning the rotor shaft into the front end support Hold the meter with its bore vertical entry facing upwards Ease in the front end support until close to the rotor shaft Tip the meter over such that the rotor drops forward into its front bearing then complete insertion of the end support to its stop Check the freedom of rotation by gently blowing down the bore NOT with an airline Screw in the support retaining nut and tighten up to a torque value of 5ftlbf 7nm Check for free rotation again and ensure end float between the rotor assembly and end support is present by shaking the meter The design end float is 0 25 to 0 75mm 0 010
34. o Fisher Scientific Inline Turbine FI Series 6500 amp 6600 Inline Turbine Flowmeters APPENDIX This page is blank Appendix Page 2 of 2 Thermo Fisher Scientific TUBE BUNDLE si PX 2 P Lf Z DN A AA mg Ah FNS FNS NZ zz I N N A Flow Straightener 5 MIN PIPE DIA IN LENGTH TURBULENT FLOW MINIMUM 4 0 PIPE DIAMETER E IN LENG IH STRAIGHTENER TURBINE A METER REAM TURBINE Elva ti UY METER UPSTREAM STRAIGHTENER x VLOG 5 and lurbine Met sif M N MUM 10 PIPE AIR VAPOUR DISCHARGE DEVICE E N LENG ank Vortex Elimination Ca m 7 Q N DIAMETER AIR x SEPARATOR TANK H NS x te Se m PERFORATED PLATE amp Product Stream Figure 1 Conditionina MAN 102 C s issue General Assembly Flowmeter 85 Nominally Sized 6mm 0 2 DARTS lt LEADS OR E 0055 AS APPLICABLE BODY de 2 ROTOR 3 FRONT END SUPPORT G 4 RE 20 IT ND SUPPORT WY UPPORT RETAINER 6 PICK UP ASSEMBLY 7 PICK UP STUB FRONT FACE EN
35. pecifications Thermo Fisher offers a full service and calibration facility Calibration is offered as a separate service if required Section 1 Page 2 of 2 Thermo Fisher Scientific Series 6500 amp 6600 Inline Turbine Flowmeters SAFETY SECTION 2 Safety Important Notice Control Of Substances Many metering installations involve the measurement of Hazardous To Health hazardous fluids Before removal from service it is important to ensure that the COSHH data is available and appropriate protective measures are taken In addition there may be site specific procedures relating to protective clothing and hazard handling Ensure that such procedures are adhered to Pressure Hazards An inline flowmeter is considered as a pressure piping component as defined by the Pressure Equipment Directive Care must be exercised to ensure that the line section is isolated drained and relieved of pressure before the meter is removed Before installing new equipment check that the instrument service limits are compatible with the line conditions in to which the meter is to be placed in service The customer is responsible for ensuring that all equipment is protected against over pressurisation including that caused by external fire Electrical Safety Before starting any work ensure that the power connections are isolated and precautions are taken to prevent power being restored whilst work is taking place Particular attention should be paid to inst
36. q poq y Old ALl 4 8115 4 dN A9ld JONY 14 201 DEENEN iblis ddns Q Udcdliiso Vu elle ff Ea l es J LV Id avadil gt o 7 bes Kat S LAN d cdils General Assembly Flowmeters Nominally Sized 200mm to 508mm 8 to 20 amp Flowmeters Nominally Sized 100mm amp 150mm 4 amp 6 Where Applicable Sy NES EN y J SNNN ASS SSC PA 200 DIRECTION OF FLOW PARTS LIST THE DIRECTION OF FLOW IS MARKED ON THE OUTSIDE OF THE BODY I m THE ARROW ETCHED ON THE ROTOR BOSS MUST BE POINTING 1 BODY THE SAME DIRECTION AS THE ARROW ON THE BODY 2 ROTOR ASSEMBLY 3 SUPPORT NU 4 SUPPORT PLATE BALLRACE BEARING 5 SUPPORT TUBE WC Ss 6 SUPPORT VANE 2 7 LOCKING TAB y m u ROTOR BOSS AFT HOUSING 9 FLANGE ROTOR SHAFI 10 PICK UP ASSEMBLY U N ER SHAFT HOUSING 11 PICK UP STUB 12 LUBRICATION AS
37. que the nut as before fit locking tab and shakeproof washer Fit the lubrication tube assembly gas meters only There are no customer serviceable parts For Maintenance go to Section 5 Thermo Fisher Scientific Series 6500 amp 6600 Inline Turbine FI t TROUBLE SHOOTING SECTION 7 Trouble Shooting Pick ups Section 7 Page 1 of 2 Two in situ tests can be done Leads disconnected at first terminations e Coil resistance should read 1 K ohm e Insulation Megger test at 500V resistance should read infinite Removed test In addition to those above using an oscilloscope look for an induced voltage when a screwdriver or other ferromagnetic metal object is passed close to the coil end of the pickup body A gentle tap on the assembly coil face produces an appreciable output In the event of failure to satisfy the above change the pickup If all the above tests are positive and if only one pickup is fitted then remove the flowmeter and check the rotor condition and that freedom of rotation is still present See Flowmeter and Accessories Fault Finding Chart overpage Thermo Fisher Scientific G3S1Nd AS 1041 54 1 106 O 0 91 H3AAOd ZHO0S2 S dd ANS ANADIA WOH 1 4 H3I3F1dINV 027 0 LINDUIO N3dO NV OLNI 21 HLIM dd AO A9 99A HLIM dd AS LAdLNO OGAve G YAMOd ZHA 9 2 01 WNWINIW VINOL ANADId WOH 1 dNI H3IANANV
38. rasion Dimension 1 93mm 0 0760 diameter Tolerance 0 01mm 0 0005 Sleeve bearings these should show no signs of wear excessive scoring or ovality Dimension The bore must be within the following limits Measured shaft diameter 0 05 mm to 0 01 mm 0 002 to 0 0005 The surface condition of all parts in the liquid flow can affect performance the main problem being damaged surfaces such as gouges burrs cuts etc Surface finish or roughness has much less potential effect on the main criterion that of repeatability Reject and replace damaged parts Rotor blades must not be bent or otherwise damaged Calibration performance and balance will be adversely affected Check end stone bearings are present and not loose in the end supports split or damaged An illuminated bench magnifier should be used to inspect these items Thermo Fisher Scientific Series 6500 amp 6600 Inline Turbine Flowmeters Category 1 Meters continued Re assembly Section 6 Page 3 of 14 a b INSPECTION AND REPAIR Select the rear end support Note this has a smaller overall diameter than the front end support assembly Insert the rear end support carefully using if necessary a soft drift and rubber mallet the drift should be almost full bore diameter do not use punches It may be necessary to file a small lead in chamfer on the edge of the vanes to ensure correct positioning in the downstrea
39. rder to detect rotor blades the end face of the pick up hole is constructed as a thin membrane of the meter body material Pick ups are a finger tight fit only NEVER try to tighten further On some models a locking ring is fitted usually where because the meter is small the well thread depth is limited The same rule applies locking rings should be finger tight only The pick up signal output amplitude and frequency range is dependent on the meter size As a guide for a standard pick up typical figures apply over the standard flow range See following page for table Section 4 Page 3 of 6 Thermo Fisher Scientific Series 6500 amp 6600 Inline Turbine Flowmeters INSTALLATION TYPICAL PICK UP SIGNAL OUTPUT Meters fitted with sleeve bearings liquid use only Category 1 6mm 25 Frequency 130 to 1300Hz Amplitude 10 to 100mV RMS Category 2 12mm to 25mm 5 to 1 Frequency 130 to 1300Hz Amplitude 30 to 300mV RMS Category 2 38mm to 50mm 1 5 to 2 Frequency 50 to 500 Hz Amplitude 40 to 400 mV RMS Category 3 64mm to 150mm 2 5 to 6 Frequency 50 to 500 Hz un shrouded rotor Amplitude 40 to 400 mV RMS Category 3 64mm to 150mm 2 5 to 6 Frequency 120 to 1200 Hz shrouded rotor Amplitude 15 to 150 mV RMS Category 4 100mm to 508mm 4 to 20 Frequency 120 to 1200Hz shrouded rotor Amplitude 15 to 150 mV RMS Meters fitted with ballrace bearings clean l
40. rgest of the total range available There are some fundamental differences to note In order to increase the pulse output per unit volume the rotor may have a shroud around its periphery The shroud is used to house small ferromagnetic slugs equispaced around its periphery such that the number of magnetic inserts is greater than the number of rotor blades thus giving better resolution as a result of the higher pulse density so achieved There are occasions where shrouds are fitted for a different purpose such as to improve linearity performance under conditions of high viscosity 100mm and 150mm 4 and 6 meters may be supplied to this design as well as the previous category as described Some users may find early models of these flowmeters which were fitted with an intrusive style pick up which penetrated through the flowmeter body and picked up pulses from a phonic wheel mounted at the side of the rotor For these models it is necessary to remove the pick up and shims before attempting to remove the internals On re assembly care must be taken to ensure that the pick up hole in the support tube and body are aligned with the phonic wheel to permit fitting of the pick up For liquid meters only bearings are lubricated by the process medium An orifice in the nose of the rotor support nut 3 allows the flow of liquid through the end support assembly 8 to the bearings The bearings being manufactured from tungsten carb
41. rm Section 1 Reference Details Section 4 Declaration RMA Must be authorized ONLY if non toxic or non Equipment type hazardous substances apply Serial I hereby confirm that the equipment specified above has not come into contact with any toxic or hazardous substances Section 2 Process Fluid Information Signed All substances in contact with the equipment must be Name declared Position Chemical names list all For on behalf of Date Precautions to be taken when handling these substances list all Must be authorized if toxic or hazardous substances apply I hereby confirm that the only toxic or hazardous Action to be taken in the event of human contact or substances that the equipment specified has been in contact spillage with are named in Section 2 that the information given is correct and that the following actions have been taken Additional information you consider relevant _ 1 The equipment has been drained and flushed 2 The inlet outlet ports have been sealed and the equipment has been securely packed and labeled 3 The carrier has been informed of the hazardous nature Section 3 Shipping Information of the consignment and has received a copy of this Carrier details completed form Tel Fax Signed Scheduled delivery date to Thermo Fisher Name Position For on behalf of Date A copy of this comple
42. rs machined in the body bore The support tube and blades must be loose before withdrawal is attempted as shoulder edges must not be damaged The vanes should be drawn out relative to the support tube so that the assembly may be withdrawn past the body bore shoulders Remove the rotor assembly 2 For removal of the rear assembly carry out steps b to d inclusive For gas meters remember to remove the lubrication tube assembly before loosening the support vanes as previously described These should be free from wear scoring or abrasions Table of dimensions Meter size Shaft diameter mm inches mm inches 100 4 7 93 0 3125 150 6 9 52 0 375 200 8 12 7 0 500 250 10 12 7 0 500 300 12 19 05 0 750 400 16 19 05 0 750 500 20 19 05 0 750 Tolerances 0 01mm 0 0005 Thermo Fisher Scientific Series 6500 amp 6600 Inline Turbine Flowmeters Category 4 Meters Continued Sleeve Bearings General Appearance Inspection Liquid And Gas Meters Fitted With Ballrace Bearings Shafts Ballrace Bearings Section 6 Page 12 of 14 INSPECTION AND REPAIR These should show no signs of wear excessive scoring or ovality Dimensions The bore must be within the following limits Measured shaft diameter 0 15 mm 0 006 202mm 8 and above 0 10 mm 0 004 150mm 6 and below The surface condition of all parts in the liquid flow can affect performance the main problem being damaged surfaces such as
43. ted form MUST BE HANDED TO THE CARRIER to accompany the equipment Form No QF_COSHH ECO 5424 REV B Date 12 08 06 This page intentionally left blank Series 6500 amp 6600 Inline Turbine Flowmeters SECTION 3 General Description Principles of Operation Section 3 Page 1 of 2 GENERAL DESCRIPTION The turbine flowmeter is essentially a velocity measuring device which is calibrated to indicate volumetric flow of liquid or gas in a pipeline The operation of the flowmeter is based upon the speed angular velocity of a freely supported rotor which revolves at a rate directly proportional to the flow rate of the medium The rotor blades cut a magnetic field set up by a permanent magnet assembly which is installed in a pick up unit The pick up is constructed of a coil placed adjacent to a permanent magnet and wound on to a former The former is positioned over a ferromagnetic core which is arranged such that it is close to a turbine meter rotor blade when passed beneath The design of pick up bodies is standard with variations on material or length They all have male threaded ends which either screw directly into the meter body or into a welded stub which has a mating internal thread The change in flux density resulting from the passage of rotor blades induces a voltage across the coil The generated frequency is proportional to the speed of the rotor The number of pulses per unit volume is esta
44. th the meter supported in a vertical position front end uppermost remove front bearing support 2 Note for 100mm and 150mm 4 and 6 meters use the removal tool TOOL 001 c Remove the rotor and shaft assembly d Reverse position of the meter e Remove circlip rear end support 4 f Remove rear end support 2 NOTE 100mm and 150mm 4 and 6 meters used on gas have a lubrication tube assembly which must be removed before the rear end support is removed Thermo Fisher Scientific Series 6500 amp 6600 Inline Turbine Flowmeters INSPECTION AND REPAIR Category 3 Meters Continued Inspection Liquid Meters Fitted With Sleeve Bearings Shafts Sleeve Bearings General Appearance Inspection Liquid And Gas Meters Fitted with Ballrace Bearings Shafts Section 6 Page 8 of 14 These should be free from wear scoring or abrasions Dimensions Diameter 2 5 meter 6 35mm 0 25 Tolerance 0 01mm 0 0005 4 meter 7 94mm 0 312 Tolerance 0 02mm 0 001 6 meter 9 52mm 0 375 Tolerance 0 02mm 0 001 These should show no signs of wear excessive scoring or ovality Dimension The bore must be within the following limits Measured shaft diameter 0 05 mm to 0 01 mm 0 002 to 0 0005 The surface condition of all parts in the liquid flow can affect performance the main problem being damaged surfaces such as gouges burrs cuts etc Surface f
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