Hoffer Flow Controls MF SERIES User Manual Download Page 3

HFC 9907-B 

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 item 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

.

 

W

ITHOUT  LIMITING  THE  GENERALITY  OF  THE  FOREGOING

,

  THIS  EXCLUSION  FROM  LIABILITY 

EMBRACES THE 

P

URCHASER

'

S EXPENSES FOR DOWNTIME OR FOR MAKING UP DOWNTIME

,

 DAMAGES 

FOR  WHICH  THE 

P

URCHASER  MAY  BE LIABLE  TO  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

.

 

P

URCHASER

'

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

.

Summary of Contents for MF SERIES

Page 1: ...F SERIES Mini Flowmeters for Low Flow Applications USER S MANUAL HP 210 January 2013 107 Kitty Hawk Lane P O Box 2145 Elizabeth City NC 27909 1 800 628 4584 252 331 1997 Fax 252 331 2886 www hofferflo...

Page 2: ......

Page 3: ...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 a...

Page 4: ...l 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...

Page 5: ...ion 9 2 1 Principle 9 2 2 Precautions 9 3 Installation 11 3 1 General Piping 11 3 2 Strainers Filters 12 3 3 Installation Kits 12 4 Maintenance 13 4 1 General 13 4 2 Disassembly 13 4 3 Inspection Repa...

Page 6: ...HP 210...

Page 7: ...per 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 t...

Page 8: ...ROCESS CONNECTION ALL MINI FLOWMETERS ARE 1 2 37 DEG MALE FLARE PER MS33656 MODEL MF1 2X A END FITTING X A MF1 2X20B MF1 2X30B MF1 2X40B MF1 2X50B MF1 2X60B MF1 2X70B MF1 2X80B MF1 2X90B MF1 2X100B MF...

Page 9: ...N COMPOSITE SLEEVE BEARING MF1 2X100B T TUNGSTEN CARBIDE SLEEVE BEARING MF1 2X125B MF1 2X150B MF1 2X175B PICKUP COILS MODEL MF1 2X E OPTION E 1M ONE MAG COIL 1MC3PA ONE RF COIL 1MC2PAHT ONE HIGH TEMP...

Page 10: ...LASS I ZONE 1 IP 66 ATEX EX II 2GD Ex d tD IIC IP66 68 IEC EX D IIC IP68 PROCESS CONNECTION END FITTING TYPE MODEL MF1 2X MS OPTION MS ALL MINI FLOWMETERS ARE 1 2 37 DEG MALE FLARE PER MS33656 1 4 TS...

Page 11: ...DEG MALE FLARE PER MS33656 MODEL MF1 2X A END FITTING X A MF1 2X30B MF1 2X50B MF1 2X80B MF1 2X90B MF1 2X125B MF1 2X175B MAXIMUM FLOW RATE IN ACFM MODEL MF1 2X G OPTION G RATE IS DETERMINED BY THE GAS...

Page 12: ...P AND THE LENGTH OF LEADS AFTER ANY COIL EXCEPT THE HIGH TEMPERATURE COILS RISER AND EXPLOSION PROOF COIL ENCLOSURES MODEL MF1 2X D OPTION D X 1 MNPT RISER WELDED TO BODY X ATEX 3 4 MNPT RISER WELDED...

Page 13: ...D 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 COVE...

Page 14: ...Introduction 8 HP 210 This page intentionally left blank...

Page 15: ...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...

Page 16: ...Operation 10 HP 210 This page intentionally left blank...

Page 17: ...he 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 po...

Page 18: ...to meter failure 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 remo...

Page 19: ...he vise 2 Using a large blade screwdriver turn the plug counterclockwise to remove 3 To remove the shaft assembly carefully thread a 10 32 screw into the hole provided in insert Thread the screw into...

Page 20: ...xploded View TC Tungsten Carbide Sleeve Models Shaft Assembly Threaded Plug Seal Housing TC Journal Rotor Pickup Coil Coil Locknut Shaft Assembly Threaded Plug Seal Housing Rotor Pickup Coil Coil Lock...

Page 21: ...g 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 th...

Page 22: ...16 Maintenance HP 210 If either resistance measurement fails replace the pickup coil Firmly seat the new coil in the flowmeter and tighten the locking nut...

Page 23: ...Reduced flow through the meter Meter partially clogged Clear meter Line to meter partially blocked Clear line to meter Meter readings inaccurate Fluid flowrate is not within meter flow range See Spec...

Page 24: ...fic 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 1 Specific pick up coil is application de...

Reviews: