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        MF SERIES - Hoffer Flow Controls, Inc
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1.    X X     TURBINE SIZES    MF    MF    MF    MF  MF  MF    MF  MF  MF        2X20B     2X30B     2X40B     2X50B   2X60B   2  70       2X80B   2X90B   2X100B    MFI 2X125B      1 2  150        1 2  175      PICKUP COILS  MODEL MF1 2X     OPTION   E       1M      1              1    2            HTM      ISM      118               IRPMXXX    IRPRXXX    IDMXXXX    IDRXXXX     ATEX                  OPTION  D     PB  CERAMIC HYBRID BALL BEARING  SELF LUBRICATING       HARD CARBON COMPOSITE SLEEVE BEARING    T  TUNGSTEN CARBIDE SLEEVE BEARING    BP  CERAMIC HYBRID BALL BEARING  SELF LUBRICATING   O  HARD CARBON COMPOSITE SLEEVE BEARING    T  TUNGSTEN CARBIDE SLEEVE BEARING    BP  CERAMIC HYBRID BALL BEARING  SELF LUBRICATING       HARD CARBON COMPOSITE SLEEVE BEARING    T  TUNGSTEN CARBIDE SLEEVE BEARING    BP  CERAMIC HYBRID BALL BEARING  SELF LUBRICATING       HARD CARBON COMPOSITE SLEEVE BEARING    T  TUNGSTEN CARBIDE SLEEVE BEARING    BP  CERAMIC HYBRID BALL BEARING  SELF LUBRICATING       HARD CARBON COMPOSITE SLEEVE BEARING    T  TUNGSTEN CARBIDE SLEEVE BEARING         C FC XC HELK XC     ONE MAG COIL   ONE RF COIL   ONE HIGH TEMP RF COIL   HIGH TEMP MAG COIL   ONE INTRINSICALLY SAFE MAG COIL  NORTH AMERICA  ONE ISM ATEX COIL   ONE REDI PULSE MAG COIL   ONE REDI PULSE RF COIL   ONE REDI PULSE INTRINSICALLY SAFE MAG COIL   ONE REDI PULSE INTRINSICALLY SAFE RF COIL    WHEN ANY COIL IS GOING TO HAVE AN ATEX ENCLOSURE MOUNTED  ON THE FLOWMETER ADD   ATEX  AFTER THE COIL PART NU
2.   8  LONG S S 3 4  MNPT RISER FOR FLUID TEMPERATURES BELOW 40 F     40  C  OR ABOVE  140  F   60  C    EXPLOSION PROOF FLAME PROOF ENCLOSURE WITH 347 FNPT MOUNT   AND 3 4  CABLE ENTRY   FM  CLASS I  DIV  1  GR  ABCD  CLASS       DIV  1  GR  EFG  TYPE  4X   CSA  CLASS I  DIV  1  GR  ABCD  CLASS II  DIV 1  GR  EFG  CLASS III   TYPE 4X EX D IIC  CLASS I  ZONE 1  IP 66   ATEX   EXII2GD Ex d tD IIC  IP66 68            EX D IIC IP68          Introduction 7    PROCESS CONNECTION END FITTING TYPE  MODEL MF1 2X                   MMSK         OPTION   MS  ALL MINI FLOWMETERS ARE 1 2   37 DEG  MALE FLARE PER MS33656   1 4 TS  1   4  TUBE STUB   1 2 TS  1 2  TUBE STUB    PRESSURE TAP   ROTOR    MODEL MF1 2X        X X KC KPTHC   OPTION   PT  1 4  PRESSURE          ROTOR    SPECIAL FEATURES  MODEL MF1 2X          FC    XC KC ME     OPTION    6W   HIGH PRESSURE UNITS  OVER 1000 PSIG TO MAX OF 6000 PSIG     6CW  CRYOGENIC SERVICE RATED TO 6000 PSIG AND CLEANED FOR LOX  SERVICE      CE  CE MARK REQUIRED FOR EUROPE  PED CE      PED CE  PED REQUIRES THAT BOTH THE OPERATING PRESSURE AND  TEMPERATURE MUST BE KNOWN AND ENTERED ON THE ORDER   THIS INFORMATION WILL BE MARKED ON THE HOUSING TO MEET PED    REQUIREMENTS    SEP CE  SOUND ENGINEERING PRACTICE   SP  ANY SPECIAL FEATURES THAT ARE NOT COVERED IN THE MODEL    NUMBER  USE A WRITTEN DESCRIPTION OF THE  SP        WELDED CAP MINI MUST BE RETURNED TO THE FACTORY FOR  REPAIR     NOT FIELD REPAIRABLE     1 2 Specification    Linearity  t 1 096 of 
3.  G     6W   HIGH PRESSURE UNITS  OVER 1000 PSIG TO MAX OF 6000 PSIG    6CW  CRYOGENIC SERVICE  RATED TO 6000 PSIG AND CLEANED FOR LOX SERVICE          CE MARK REQUIRED FOR EUROPE   PED CE  PED REQUIRES THAT BOTH THE OPERATING PRESSURE AND TEMPERATURE  MUST BE KNOWN AND ENTERED ON THE ORDER  THIS INFORMATION  WILL BE MARKED ON THE HOUSING TO MEET PED REQUIREMENTS    SEP CE  SOUND ENGINEERING PRACTICE    SP  ANY SPECIAL FEATURES THAT ARE NOT COVERED IN THE MODEL    NUMBER  USE A WRITTEN DESCRIPTION OF THE  SP    WELDED CAP MINI MUST BE RETURNED TO THE FACTORY FOR  REPAIR     NOT FIELD REPAIRABLE     HP 210    Introduction 5    MINI  FLOWMETER SERI ES FOR GAS    MODEL MF1 2X A   G   B   C D   MS   PT   E     PROCESS CONNECTION END FITTING SIZE    FLOWMETER SIZE  MAXIMUM FLOW RATE IN ACFM       BEARING TYPE   PICKUP COILS   RISER AND EXPLOSION PROOF COIL ENCLOSURES  END FITTING TYPE   1 4  PRESSURE TAP  9 ROTOR   SPECIAL FEATURES                      PROCESS CONNECTION   ALL MINI FLOWMETERS ARE 1 2   37 DEG  MALE FLARE PER MS33656  MODEL MF1 2X A        M H X X    END FITTING X               1 2  30        1 2  50        1 2  80        1 2  90        1 2  125        1 2  175      MAXIMUM FLOW RATE                 MODEL MF1 2X           C       X XC    OPTION    G  RATE IS DETERMINED BY THE GAS SIZING PROGRAM BY SALES    BEARING TYPE  MODEL MF1 2X      BC      XC XC   TURBINE SIZES OPTION    MF1 2X30B  SB  STAINLESS STEEL BALL BEARING  SELF LUBRICATING      1 2  50    SB  STAINLES
4.  OTHER PERSONS  DAMAGES TO PROPERTY  AND INJURY TO OR DEATH OF ANY PERSONS  HFC  NEITHER ASSUMES NOR AUTHORIZES ANY PERSON TO ASSUME FOR IT ANY OTHER LIABILITY  IN CONNECTION WITH THE SALE OR USE OF HFC  S GOODS  AND THERE ARE NO ORAL  AGREEMENTS OR WARRANTIES COLLATERAL TO OR AFFECTING THE AGREEMENT   PURCHASER S SOLE AND EXCLUSIVE REMEDY IS THE REPAIR AND OR REPLACEMENT OF  NONCONFORMING GOODS AS PROVIDED IN THE PRECEDING PARAGRAPHS  HFC SHALL NOT BE  LIABLE FOR ANY OTHER DAMAGES WHATSOEVER INCLUDING INDIRECT  INCIDENTAL  OR   CONSEQUENTIAL DAMAGES              HFC 9907 A       Limited Warranty POLICY FOR Hoffer Flow Controls    HOFFER FLOW CONTROLS  INC    HFC   warrants HFC s Precision Series and API  Series of turbine flowmeters to be free from defects in material and workmanship under  normal use and service  only if such goods have been properly selected for the service  intended  properly installed and properly operated and maintained as described in the  turbine flowmeter manual  Reference  turbine flowmeter manual  for specific details   This warranty shall extend for a period of five  5  years from the date of shipment to the  original purchaser and covers the Precision Series and API Series of flowmeters supplied  with their standard hybrid ceramic ball bearings only  All other HFC products carry a one   1  year warranty  This warranty is extended only to the original purchaser   Purchaser     Purchaser s sole and exclusive remedy is the repair and or replacement 
5.  after notice from HFC  the goods will be disposed of in  HFC s discretion     HFC does not warrant the product to meet the requirements of any safety code of any  state  municipality  or other jurisdiction  and Purchaser assumes all risk and liability  whatsoever resulting from the use thereof  whether used singlely or in combination with  other machines or apparatus    This warranty shall not apply to any HFC product or parts thereof  which have been  repaired outside HFC s factory or altered in any way  or have been subject to misuse   negligence  or accident  or have not been operated in accordance with HFC s printed  instructions or have been operated under conditions more severe than  or otherwise  exceeding  those set forth in the specifications           FOR NON WARRANTY REPAIRS OR CALIBRATIONS  consult HOFFER  FLOW CONTROLS for current repair calibration charges  Have the following  information available BEFORE contacting HOFFER FLOW CONTROLS    1         number to cover the COST of the repair calibration    2  Model and serial number of the product  and   3  Repair instructions and or specific problems relative to the product           HFC 9907 A    CONTENTS          Intr  d  ctiOn s aiat ta ehe aet e RR D E e qus 1  1 1 Model Number Designation                                                    2  1227                              iunio nt het e ete d 7   2     Operati  m i i s ien awas e Ee eer rete teg e a 9  2 1 Pinciples n pea hte be e mens 9  2 2   Precautiori
6.  to 114    70  008  11     to 3  40 015    If a strainer filter is required in the system  it should be located  upstream of the flowmeter taking care that the proper minimum  distance is kept between the strainer and flowmeter     3 3 Installation Kits    Installation kits for the Hoffer MF Series Flowmeter consist of two  lengths of appropriate tubing cut to a length appropriate for the  upstream and downstream straight pipe run with appropriate end  fittings     HP 210    Maintenance 13    4 Maintenance    4 1    4 2    4 3    General    Preventive maintenance for the MF Series mini flowmeter  consists of a thorough general inspection  Remove the meter  from the service line and take to a clean work area  Use the  following procedures and exploded component views to  remove  inspect  and reinsert the flowmeter internals     Disassembly    Hold the Mini Flowmeter securely using a vise  Meter  orientation should be such that the threaded plug is facing up   Use extreme care not to damage the meter housing or piping  connections when placing in the vise    Using a  large blade screwdriver  tum      plug  counterclockwise to remove    To remove the shaft assembly  carefully thread a 10 32 screw  into the hole provided in insert  Thread the screw into the  insert until it bottoms out  finger tight only     Turn the housing over and slowly and carefully pull the shaft  assembly and internals out of the housing  Take care not to  damage the shaft  rotor  and or bearings     Remov
7. Bypass Valve  Strainer Turbine Flowmeter  w 9         Blocking Valve   4 Blocking Valve  METER RUN    Blocking and Bypass valves should be installed if it is necessary to  do preventive maintenance on the flowmeter without shutting  down the flow system  The Bypass valve can be opened before the  Blocking valves are closed allowing the flow to continue while  removing the turbine flowmeter for service     HP 210    12 Installation       IMPORTANT  All flow lines should be purged prior to installing the  meter  To prevent possible damage to the meter  install the  meter ONLY in flow lines that are clean and free of debris        Upon initial start up of the system a spool piece should be installed  in place of the flowmeter so that purging of the system can be  performed to remove all particle debris which could cause damage  to the meter internals  In applications where meter flushing is  required after meter service  care should be taken as to not over   spin the meter  as severe meter damage may occur        3 2  Strainers Filters    The MF Series flowmeters are designed for use in a clean fluid  service  However  the service fluid may carry some particulate  material which would need to be removed before reaching the  flowmeter  Under these conditions a strainer filter may be required  to reduce the potential hazard of fouling or damage that may be  caused by foreign matter     METER SIZE MESH SIZE PARTICLE SIZE   Maximum   MF Series 100  0055  V4  to       100  0055    g 
8. MBER    THE COIL NEEDS TO BE MODIFIED TO FIT INTO A 3 4  RISER WELDED TO  THE BODY REQUIRED BY ATEX      OPTIONAL SPECIAL TOOL       IN ORDER TO REPLACE THE COIL IN THE FIELD  A SPECIAL WRENCH  IS REQUIRED TO REPLACE THE COIL     PIGTAIL OR FLYING LEADS  ADD  P AND THE  LENGTH OF LEADS  AFTER ANY COIL EXCEPT THE HIGH TEMPERATURE COILS     HP 210    Introduction 4    RISER AND EXPLOSION PROOF COIL ENCLOSURES  MODEL MF1 2X                F   X      OPTION   F      X  1  MNPT RISER  WELDED TO BODY   X ATEX  3 4  MNPT RISER  WELDED TO BODY   XE2  1  MNPT RISER WITH E2 ENCLOSURE     INCLUDES STOCK  300 8375 1 X3 4  ADAPTER   X ATEX E2 3 4  MNPT RISER WITH E2 ENCLOSURE    X8S  8  LONG S S 1  MNPT RISER  FOR FLUID TEMPERATURES BELOW 40 F   40      OR ABOVE   140  F   60          88               8  LONG S S 3 4  MNPT RISER FOR FLUID TEMPERATURES BELOW 40  F    40      OR ABOVE  140  F   60  C    NOTES  EXPLOSION PROOF FLAME PROOF ENCLOSURE WITH 34  FNPT MOUNT  AND 3 4  CABLE ENTRY  FM  CLASS I  DIV  1  GR  ABCD  CLASS       DIV  1  GR  EFG  TYPE 4X    CSA  CLASS I  DIV  1  GR  ABCD  CLASS II  DIV 1  GR  EFG  CLASS III   TYPE 4X EX D IIC  CLASS I  ZONE 1  IP 66    EX II 2GD Ex d tD IIC  IP66 68  EX D IIC IP68       PROCESS CONNECTION END FITTING TYPE  MODEL MF1 2X                    5       OPTION    MS  ALL MINI FLOWMETERS ARE 1 2   37 DEG  MALE FLARE PER   533656   1 4 TS  1 4  TUBE STUB    1 2 TS  1 2  TUBE STUB    SPECIAL FEATURES  MODEL MF1 2X                     MG     OPTION  
9. MF SERIES    Mini Flowmeters for Low Flow Applications    USER S MANUAL    HP 210  January 2013    HOFFER FLOW CONTROLS  INC   Perfecting Measurement   107 Kitty Hawk Lane           Box 2145  Elizabeth City  North Carolina 27906 2145  1 800 628 4584    252  331 1997   FAX  252  331 2886  www hofferflow com   Email  info  amp hofferflow com          NOTICE    Hoffer Flow Controls  Inc  makes no warranty of any kind with regard to this  material  including  but not limited to  the implied warranties of  merchantability and fitness for a particular purpose     This manual has been provided as an aid in installing  connecting  calibrating   operating  and servicing this unit  Every precaution for accuracy has been taken  in the preparation of this manual  however  Hoffer Flow Controls  Inc  neither  assumes responsibility for any omissions or errors that may appear nor assumes  liability for any damages that result from the use of the products in accordance  with information contained in the manual     HOFFER FLOW CONTROLS  policy is to provide a user manual for each item  supplied  Therefore  all applicable user manuals should be examined before  attempting to install or otherwise connect a number of related subsystems     During installation  care must be taken to select the correct interconnecting wiring  drawing  The choice of an incorrect connection drawing may result in damage to  the system and or one of the components     Please review the complete model number of each it
10. S STEEL BALL BEARING  SELF LUBRICATING  MF1 2X80B  SB  STAINLESS STEEL BALL BEARING  SELF LUBRICATING  MF1 2X90B  SB  STAINLESS STEEL BALL BEARING  SELF LUBRICATING      1 2  125    MFI 2X175B       HP 210    Introduction    PICKUP COILS  MODEL MF1 2X   OPTION   C     1M    1              IMC2PAHT    1ISM    118               IRPRXXX      1DRXXXX     ATEX                  6    KC XC KS   X x     ONE MAG COIL   ONE RF COIL   ONE HIGH TEMP RF COIL   ONE INTRINSICALLY SAFE MAG COIL  NORTH AMERICA  ONE ISM ATEX COIL   ONE REDI PULSE RF COIL   ONE REDI PULSE INTRINSICALLY SAFE RF COIL    WHEN ANY COIL IS GOING TO HAVE AN ATEX ENCLOSURE MOUNTED    ON THE FLOWMETER ADD   ATEX  AFTER THE COIL PART NUMBER    THE COIL NEEDS TO BE MODIFIED TO FIT INTO A 3 4  RISER WELDED TO  THE BODY REQUIRED BY ATEX      OPTIONAL SPECIAL TOOL       IN ORDER TO REPLACE THE COIL IN THE FIELD  A SPECIAL WRENCH  IS REQUIRED TO REPLACE THE COIL     PIGTAIL OR FLYING LEADS  ADD  P AND THE  LENGTH OF LEADS  AFTER ANY COIL EXCEPT THE HIGH TEMPERATURE COILS     RISER AND EXPLOSION PROOF COIL ENCLOSURES    MODEL MF1 2X   OPTION   D       X    X ATEX    XE2      X ATEX E2   X88      X8S ATEX      NOTES     HP 210    FC KC HDH            1  MNPT RISER  WELDED TO BODY  3 4  MNPT RISER  WELDED TO BODY    1  MNPT RISER WITH E2 ENCLOSURE   INCLUDES STOCK 4300 8375 1 X3 4  ADAPTER    3 4  MNPT RISER WITH E2 ENCLOSURE    8  LONG S S 1  MNPT RISER   FOR FLUID TEMPERATURES BELOW 40  F   40  C  OR ABOVE    140  F   60  C  
11. ay result in damage to the meter     HP 210    Operation 10    This page intentionally left blank     HP 210    Installation 11    3 Installation    Upon receipt of the flowmeter carefully inspected it  checking for  any indications of damage which may have occurred during  shipment  Inspect all packing material carefully for parts or  components which may have been packed with the shipment   Refer to the packing list invoice for a detailed list of items  included in the shipment     31 General Piping    The MF Series Flowmeters are capable of sensing fluid flow in one  direction only  The meter housing is marked by a flow direction  arrow to indicate the direction of flow through the meter  The  meter must be installed in the piping in the correct orientation to  ensure the most accurate and reliable operation  Care should be  taken in the proper selection of the mating fittings  Size  type of  material  and pressure rating should be the same as the flowmeter  supplied     When it is expected that flow will be intermittent  the meter should  not be mounted at a low point in the piping system  Solids which  settle or congeal in the meter may affect meter performance     In order to achieve optimum electrical signal output from the  flowmeter  due consideration must be given to its isolation from  ambient electrical interference such as nearby motors   transformers  and solenoids     A typical flowmeter installation is shown below                                   BYPASS RUN  
12. e and discard the gasket seal     Inspection  amp  Repair    Examine the flowmeter internals for signs of corrosion or  fouling by foreign materials    Examine the shaft  rotor  and bearings for signs of wear and or  damage    If wear or damage is present  replace with new parts        NOTE  Clean all of the internals in an approved cleaning    solution        HP 210    14 Maintenance    Exploded View   BB   Ball Bearing Models    Threaded Plug Shaft Assembly          Seal Ball Bearing    Rotor                   c                             Se         Exploded View              C     Hard Carbon Bearing Models    Threaded Plug Shaft Assembly Seal       Rotor          Lr    Ball Bearing    c                            Ep ER              Exploded View           TC   Tungsten Carbide Sleeve Models    Threaded Plug Shaft Assembly          Seal TC Journal       Rotor                                               HP 210                                                                                                                                                                   Pickup Coil  Coil Locknut  Housing  CT  Pickup Coil  Co  Coil Locknut  Housing        1 1  Pickup Coil      Coil Locknut                Housing    4 4    4 5    Maintenance 15    Assembly    Install any new parts    Guide the rotor and bearing assembly onto the shaft  Make  sure the rotor is installed with the cup side of the Pelton wheel  facing the    IN    side of the housing    Place a new gasket on th
13. e insert  Always use a new gasket   Place the shaft assembly insert  gasket  and rotor assembly  back into housing by inverting the housing to keep gasket and  rotor assembly in place    Install the threaded plug and tighten to 50 ft Ib        Pickup Coil Testing    Testing the MAG and MCP  RF  coils consists of measuring the  resistance with an ohmmeter  Resistance measurements are to be  made when there is no flow through the meter or with the coil  removed from the meter housing     1     Measure the resistance between pin A and pin B  The  resistance should be approximately as listed in the following  table of some common coils    The resistance from any pin to the case should be greater than  1 Mohm     COIL  DC RESISTANCE   Ohms    MC2PAHT 15 0  10    MCP3A 11 5  10   PC13 74G 1800  10       13 745 1850  15       24 450 1350  10       24 455 1850  15   PC28 13G 120  20   PC28 14G 180  20        For specific coils not listed contact the        Customer Service Department for the  approximate resistance readings     HP 210    16 Maintenance    If either resistance measurement fails  replace the pickup coil   Firmly seat the new coil in the flowmeter and tighten the locking    nut     Pickup Connections                               A B I C  A  OO  Qr               MCP  RF  RediPulse  A   Signal     A   Signal     A   8 30 Vdc  B   Common        B   Common     B   Common      C       C   Pulse Output    HP 210    4 6 Trouble Shooting    Maintenance 17    Refer to the follo
14. em to be connected and locate  the appropriate manual s  and or drawing s   Identify all model numbers exactly  before making any connections  A number of options and accessories may be  added to the main instrument  which are not shown on the basic user wiring   Consult the appropriate option or accessory user manual before connecting it to the  system  In many cases  a system wiring drawing is available and may be requested  from Hoffer Flow Controls     This document contains proprietary information  which is protected by  copyright  All rights are reserved  No part of this document may be  photocopied  reproduced  or translated to another language without the prior  written consent of Hoffer Flow Controls  Inc     HOFFER FLOW CONTROLS    policy is to make running changes  not model  changes  whenever an improvement is possible  This affords our customers the  latest in technology and engineering  The information contained in this  document is subject to change without notice     THIS WARRANTY IS EXPRESSLY IN LIEU OF ALL OTHER WARRANTIES   EXPRESSED OR IMPLIED  INCLUDING ANY IMPLIED WARRANTY OF  MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE  HFC SHALL NOT  BE LIABLE FOR ANY LOSS OR DAMAGE RESULTING  DIRECTLY OR INDIRECTLY  FROM THE USE  OR LOSS OF USE OF THE GOODS  WITHOUT LIMITING THE GENERALITY OF THE FOREGOING   THIS EXCLUSION FROM LIABILITY EMBRACES THE PURCHASER S EXPENSES FOR DOWNTIME  OR FOR MAKING UP DOWNTIME  DAMAGES FOR WHICH THE PURCHASER MAY BE LIABLE TO 
15. le      Meter internals are ordered by the size of the meter  Consult with the factory for the  correct part number  Have complete meter model number available     HP 210    
16. of  nonconforming goods as provided in the following paragraphs     In the event Purchaser believes the Hoffer product is defective  the product must be  returned to HFC  transportation prepaid by Purchaser  within the appropriate warranty  period relative to the product  If HFC s inspection determines that the workmanship or  materials are defective and the required maintenance has been performed and  has been  properly installed and operated  the product will be either repaired or replaced  at HFC s  sole determination  free of additional charge  and the goods will be returned   transportation paid by HFC  using a transportation method selected by HFC     Prior to returning the product to HFC  Purchaser must obtain a Returned Material  Authorization  RMA  Number from HFC s Customer Service Department within 30 days  after discovery of a purported breach of warranty  but not later than the warranty period   otherwise  such claims shall be deemed waived  See the Return Requests inquiries  Section of this manual     If HFC s inspection reveals the Hoffer product to be free of defects in material and  workmanship or such inspection reveals the goods were improperly used  improperly  installed  and or improperly selected for service intended  HFC will notify the purchaser  in writing and will deliver the goods back to Purchaser upon receipt of Purchaser s  written instructions and agreement to pay the cost of transportation  If Purchaser does not  respond within thirty  30  days
17. reading over 10 1 flow range  Repeatability    0 25  of reading  Flow Ranges     Liquid Applications  0 02 to 3 5 GPM w  MAG pickup in 10 1 turndown  0 007 to 3 5 GPM w  MCP pickup in 25 1 turndown  Gas Applications  0 005 to 1          w  MCP pickup  turndown    dependent on gas density    Temperature Range   450   F to  450   F    Output  Dependent on pickup coil selected    HP 210    Introduction 8    This page intentionally left blank     HP 210    Operation 9    2 Operation    2  Principle    The Hoffer MF Series has been developed to meet the need for a  low flow measurement device for use with low to moderate  viscosity clean liquids and for gas measurement applications     The MF Series is a family of low flow rate measurement devices  whose design is based on a Pelton Wheel like rotor  The measured  fluid is directed tangentially through a velocity nozzle against the  rotor causing it to spin  The pickup coil senses the spinning  motion of the rotor through the housing and converts it into a  pulsing electrical signal  Summation of the pulsing electrical  signal relates directly to the total flow  while the frequency is  related to the flow rate     2 2 Precautions       Do not drop the meter  Dropping the meter may result in damage  to the meter housing and or internals       Do not operate the meter at flowrates greater than the maximum  flowrate marked on the meter  Operating at flowrates greater than  the maximum flowrate may over spin the meter  Over spinning  m
18. s hid aacra      Db oa eget eds 9   3  Installation ao erem teinte eet ret EG Ete eaa 11  3 1 General PIPINS iacit Rete                 11  3 2   Strimers PIltets             e ereptus 12  33 Installation      ice eR re net 12   4  Maintenances               Pene Re E AREE 13  4 1 General iicet o trie De ERE CERE      13  4 25  Disassemblys nre eie o er i Pee 13  4 3 Inspection   amp           a sue oa etie res 13  4 4 ASSembly   ottenere re PRECES 15  4 5 Picktip  Corl Testing    iiti iere s 15  4 6  Troubleshooting oni                   17  4 7 Spare Parts         eto ceno nei Doe etas 18    HP 210    HP 210    Introduction 1    1 Introduction    We are proud that you have selected a Hoffer Turbine Mini   Flowmeter  the finest precision flow transducer on the market     The Hoffer MF Series of Mini Flowmeters are designed to meet the  need for a high quality low flow measurement device for service in  low to moderate viscosity clean liquids and for gas applications     The information in this manual is provided to assist in the proper  installation  use  and maintenance of your instrument     Please take a few minutes to read through this manual before  installing and operating your meter  If you have any problems with  the meter  refer to the maintenance and troubleshooting sections of  this manual     If you need further assistance  contact your local Hoffer  Representative or contact the Hoffer Flow Controls customer service  department by telephone  fax  or email for ad
19. vice     We welcome you to our growing family of satisfied customers  If  you are not completely satisfied with either our product or service   we encourage you to let us know  We want to improve     HP 210    Introduction 2    11 Model Number Designation    The model number of the meter describes various fittings and options     MI NI  FLOWMETER SERIES FOR LI QUI D  MODEL     1 2    A     B     C     D     E F      5           PROCESS CONNECTION END FITTING SIZE    FLOWMETER SIZE   MINIMUM FLOW RATE IN GPM   MAXIMUM FLOW RATE IN GPM   BEARING TYPE   PICKUP COILS   RISER AND EXPLOSION PROOF COIL ENCLOSURES  END FITTING TYPE   SPECIAL FEATURES                            PROCESS CONNECTION  ALL MINI FLOWMETERS ARE 1 2   37 DEG  MALE FLARE PER MS33656    MODEL MF1 2X  AH  KC    MD       END FITTING X             1 2  20    MF1 2X30B      1 2  40        1 2  50        1 2  60    MF1 2X70B      1 2  80        1 2  90        1 2  100        1 2  125        1 2  150        1 2  175      MINIMUM FLOW AND MAXIMUM FLOW RATE      GPM  LINEAR RANGE   MODEL MF1 2X   BC  CAL C    C      B    FLOWMETER SIZE MINIMUM FLOW TO MAXIMUM FLOW  MF20  015 GPM  049 GPM  MF30  017 GPM  120 GPM  MF40  020 GPM  150 GPM      50  023 GPM  2 GPM  MF60  025 GPM  25 GPM  MF70  050 GPM 5 GPM  MF80  075 GPM 75 GPM  MF90  085 GPM  85 GPM      100    GPM 1 GPM      125 13 GPM 1 3             150  2 GPM 2 GPM      175 3 GPM 3                210    BEARING TYPE    Introduction 3    MODEL        2              D   
20. wing troubleshooting guide for assistance with  possible meter malfunctions              TROUBLE CAUSE REMEDY   Fluid will not flow Meter clogged  Clear meter    through the meter Line to meter Clear line to meter   blocked    Reduced flow through Meter partially Clear meter    the meter clogged   Line to meter Clear line to meter   partially blocked        Meter readings  inaccurate    Fluid flowrate is  not within meter  flow range   Meter drag due to  worn or damaged  parts     See  Specifications  for  min and max flowrates     Replace worn or  damaged parts           Meter not giving pulse  signal       Faulty pickup coil   Meter internals not  turning due to  worn or damaged  parts        Replace pickup coil   Replace worn or  damaged parts        HP 210       18 Maintenance    47 Spare Parts    The following table contains the suggested spare parts for the  Hoffer MF Series flowmeters                    Item No    Qty Part No  Part Description  1 1   300         Pickup Coil  1 1   300              Seal Gasket  1 1   300              Rotor Assembly  1 1   300 HHHP   Bearings  1 1  300 9992   Shaft Assembly                      Specific meter parts are dependent upon the meter size and model   always have the complete meter model number or serial number  available when consulting the factory          Specific pick up coil is application dependent  Consult with the factory for the correct  part number  Have complete meter model number or pick up coil model number  availab
    
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