TEFLON Series - Hoffer Flow Controls, Inc
Contents
1. HP 298 Introduction 2 PICKUP COILS MODEL HO X X OPTION 1M ONE MAG COIL QM TWO MAG COILS 1ISM ONE INTRINSICALLY SAFE MAG COIL NORTH AMERICA IISM ATEX ONE ISM ATEX QISM TWO INTRINSICALLY SAFE MAG COILS NORTH AMERICA QISM ATEX TWO ISM ATEX COILS COIL SPACING MECHANICAL DEGREES ASSIGNED BY TPC MODELHO X E X X NOTE 90 DEGREE ELECTRICAL COIL SPACING FOR TWO COILS REQUIRE THE FOLLOWING MECHANICAL SPACING TURBINE FORWARD MECH REVERSE MECH COIL SPARE SIZE DEGREES DEGREES DEGREES 1 4 ZERO 135 250 3 8 ZERO 135 250 1 2 ZERO 135 250 5 8 ZERO 135 180 3 4 135 250 1 ZERO 135 250 11 4 ZERO 135 250 11 2 ZERO 135 250 2 ZERO 101 25 250 21 2 ZERO 97 50 180 3 ZERO 97 50 180 RISER AND EXPLOSION PROOF COIL ENCLOSURES MODEL X X X X OPTION 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 8300 8375 1 3 4 ADAPTER X ATEX E2 3 4 MNPT RISER WITH E2 ENCLOSURE X8S 8 LONG S S 1 MNPT RISER FOR FLUID TEMP BELOW 40 F 40 OR ABOVE 140 F 60 X8S ATEX 8 LONG S S 3 4 MNPT RISER FOR FLUID TEMP BELOW 40 F 40 OR ABOVE 140 F 60 C HP 298 2 Introduction NOTES EXPLOSION PROOF FLAME PROOF ENCLOSURE WITH 34 MOUNT AND 3 4 CABLE ENTRY FM CLASS L DIV 1 GR ABCD CLASS 1 GR EFG TYPE 4X CS2. 0 1 0 4 to 485 gpm 35 F to 125 F 1 67 C to 51 67 C 300 psi maximum 70 F lt 6 psi at maximum linear flow rate 10 mVrms or greater into 10K ohm load at minimum flow rate HP 298 4 Specification This page intentionally left blank HP 298 Operation 5 3 Operation 31 Principle wetted components of the Hoffer Teflon Series flowmeters are machined from virgin Teflon and have a magnet embedded in the rotor assembly The flowing media engages the vaned rotor causing it to rotate at an angular velocity proportional to the flow rate The pickup coil senses the spinning motion of the magnet 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 linearly related to the flow rate 3 20 Precautions not over tighten mounting bolts and or pickup coil Over tightening will result in damage to the meter not operate the meter outside of the stated operating temperature range 35 F to 125 F Operating outside the stated temperature range will result damage to the meter HP 298 6 This page intentionally left blank HP 298 Installation 7 4 Installation Upon receipt of the turbine flowmeter a visual inspection should be performed checking for any indications of damage that may have occurred during shipment Inspect all packing material caref
3. Should the meter require repairs it is recommended that the meter be returned to the factory If field repairs are made carefully follow the disassembly and assembly instructions in the following sections 5 22 Pickup Coil Testing Testing the pickup coil consists of measuring the resistance with an ohmmeter 1 Measure the resistance between pins and pin B The resistance should be approximately 5300 Ohms 20 2 The resistance from any pin to the case should be greater than 1 Mohm 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 B Standard MAG Signal B Common HP 298 12 Maintenance Retaining Nut v Pickup Coil w Locking Nut Mating Spacer Upstream Downstream Wafer Housing Hanger Rotor Hanger Assembly M lt 5 3 Exploded View of Internals Assembled Internals Disassembly Remove the retaining nut from the inlet end of the meter by rotating the nut counter clockwise Use a suitable spanner tool Using a blunt tool carefully push the internals out of the meter through the outlet end Remove the coil ONLY if it must be replaced If the coil is screwed directly into the Teflon housing tools should not be used Hand t
4. A CLASS L 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 IEC EX D IIC IP68 FOR UL LISTED ENCLOSURE CONTACT FACTORY FLANGE TYPE PROCESS CONNECTION NON WETTED MODELHO X ALL RING JOINT DIN AND JIS FLANGES ADD 25 TO PRICES BELOW PRESSURE RATING TURBINESIZE FLANGE CLASS MATERIAL 155 1 2 THRU 3 4 1504 S S F3SS 300 S S F6SS 600 S S FISS 1 150 S S F3SS i 3004 S S F6SS 600 S S FISS 11 4 150 5 5 F3SS 300 S S F6SS 6004 S S 155 11 2 150 5 5 F3SS 3004 S S 655 600 S S FISS 2 150 S S F3SS 3008 S S F6SS 600 S S 155 21 2 150 5 5 F3SS i 3004 S S F6SS 600 S S FISS 3 150 S S F3SS 300 5 5 F6SS 6008 S S HOUSING MODEL HO FX KC OPTION TFE HOUSING AND ALL WETTED PARTS ARE TFE TEFLON SPECIAL FEATURES MODEL HO FC FC XC XC OPTION 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 HP 298 2 Specification Linearity Repeatability Flow Range Temperature Range Working Pressure Pressure Drop Output Specification 3 1 of reading over linear flow range
5. ASER 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 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 PROCEEDING 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 repa
6. TEFLON Series Turbine Flowmeters for Corrosive Service USER S MANUAL HP 298 January 2013 H 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 Hoffer Flow Controls Inc makes warranty of 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 an damages that result from the use of the products in accordance wit 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 m
7. e should be installed in place of the flowmeter so that purging of the system can be performed to remove all particle debris that 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 speed the meter as severe meter damage may occur To maintain an accurate flow measurement it is necessary to maintain a downstream pressure sufficient to prevent flashing cavitation Flashing of the liquid will result in an indication of flow significantly higher than the actual flow In order to eliminate this condition adequate downstream pressure must be maintained The minimum required downstream pressure may be calculated using the following equation MinimumPressure 2 PressureDrop t 1 29 X VaporPressure Downstream pressure may be maintained by a downstream valve that provides the necessary downstream pressure to prevent flashing cavitation in the metering run HP 298 10 Installation This page intentionally left blank HP 298 Maintenance 11 5 Maintenance 51 General All wetted components of the Hoffer Teflon Series flowmeters machined from virgin Teflon Extreme care must be used when working with these meters in order to prevent damage Due to the fact that the virgin Teflon of which these meters are made lacks stability and can cold flow change shape with a minimal amount of force field repairs are not recommended
8. ighten ONLY DO NOT over tighten 5 4 Assembly 1 down stream hanger is pressed into housing with the bearing end toward the inlet end Ensure that the hanger is firmly against the shoulder at the outlet end Use a blunt tool so as not to damage the hanger Place the rotor assembly into the housing with the long hub end towards the downstream hanger Ensure that the rotor shaft enters the downstream hanger bearing Place the upstream hanger in place ensuring that the rotor shaft enters the upstream hanger bearing Replace the retainer nut using an appropriate spanner tool DO NOT over tighten Check for rotor endplay The rotor should have free lateral movement and should make a rattling noise when gentlely shaken from end to end HP 298 5 5 Trouble Shooting Maintenance 13 Refer to the following troubleshooting guide for assistance with possible meter malfunctions TROUBLE CAUSE REMEDY Fluid will not flow Meter clogged Clean meter through the meter Line to meter Clean line to meter blocked Reduced flow through Meter partially Clean meter the meter clogged Line to meter Clean line to meter partially blocked Meter readings Fluid flowrate is See Specifications for inaccurate not within meter min and max flowrates flow range Meter drag due to Replace meter improper installation Meter drag due to Shut system down amp temperature allow to cool Replace extre
9. ir and or replacement 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 w
10. istered trademark of E I DuPont de Nemours and Company Inc HP 298 2 Introduction 1 1 Model Number Designation The Model number of the meter describes various fittings and options TEFLON LI QUI D TURBI NE SERIES MODEL HO A X E C D TFE 1 PROCESS CONNECTION END FITTING SIZE TURBINE FLOWMETER SIZE MINIMUM FLOW RATE IN GPM MAXIMUM FLOW RATE IN GPM BEARING TYPE TFE TEFLON PICKUP COILS COIL SPACING MECHANICAL DEGREES RISER amp EX PROOF COIL ENCLOSURES RATED CL 1 GRPS C amp D FLANGED TYPE PROCESS CONNECTION NON WETTED HOUSING SPECIAL FEATURES PROCESS CONNECTION END FITTING SIZE amp TURBINE FLOWMETER SIZE MODEL HO A XC M X HO 1 2 HO 1 2 HO 1 2 HO 3 4 HO 3 4 1 11 4 11 2 2 21 2 3 1 4 3 8 1 2 5 8 3 4 1 11 4 11 2 2 21 2 3 gt MINIMUM FLOW AND MAXIMUM FLOW RATE IN MODELHO X C b NOTE NO EXTENDED RANGES ARE AVAILABLE TURBINE SIZE MINIMUM FLOW MAXIMUM FLOW 1 4 135 3 5 GPM 3 8 75 7 5 1 2 1 25 9 5 GPM 5 8 175 16 3 4 2 5 GPM 20 1 4 45 11 4 6 GPM 70 GPM 11 2 8 GPM 100 GPM 24 15 170 21 2 37 5 GPM 300 3 60 GPM 485 GPM BEARING TYPE MODELHO X XX ALL SIZES ARE TFE PEEK
11. ithin thirty 30 days after notice from HFC the goods will be disposed of in 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 P O 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 Ts gt Introductions ss DECRE De RR e taies 1 11 Model Number 22 2 2 Specification usce caer ERU n ee EUR des 3 32 OperatlOD s sueco die ENIRO ERR UI ROTER ETE 5 3 1 Ptinciple een aeo sere DURER RT es 5 32 Precautiotis std
12. mes meter if no improvement after cooling Meter not giving pulse Faulty pickup coil Replace pickup coil signal Meter internals not turning due to temperature extremes Meter internals not turning due to improper installation Shut system down amp allow to cool Replace meter if no improvement after cooling Replace meter HP 298 14 Maintenance 5 6 Spare Parts The following table contains the recommended spare parts for the Hoffer Teflon Series flowmeters Item No Qty Part No Part Description 1 1 300 6009 MAG Coil Pickup PC3 24G 1 1 300 6032 Intrinsically Safe MAG Pickup ISM 006 1 1 300 2585 Retaining Nut 1 1 300 Upstream Hanger 1 1 300 Rotor Assembly 1 1 300 Downstream Hanger 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 298 15 Maintenance W3l3AMOl4 H3JVM T C 3 5 EC lide za m dee D s lt D k i aS HP 298
13. odel 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 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 PURCH
14. through the flowmeter engages the vaned rotor and swirl present in the fluid ahead of the meter can change the effective angle of engagement and therefore cause a deviation from the supplied calibration performed under controlled flow conditions Turbine meters are constructed with flow straighteners to minimize the affects of fluid swirl and non uniform velocity profiles and are adequate for most installations However it is good practice to maintain a minimum straight run of pipe approximately 10 pipe diameters ahead of the inlet and 5 pipe diameters following the outlet Proper installation of the flowmeter minimizes the negative effects of fluid swirl A typical flowmeter installation is shown below BYPASS RUN Bypass Valve Strainer Flow Straighener Turbine Flowmeter Blocking Valve Blocking Valve METER RUN Typical Flowmeter Installation Blocking and Bypass valves should be installed 1f 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 allowing the flow to continue while removing the turbine flowmeter for service 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 HP 298 Installation 9 Upon initial start up of the system a spool piec
15. ttu aoi tti i teet 5 As gInstallatioto die initum aces 7 5 uMa intetiance seme eeu eedem 11 5 1 Pm 11 5 2 Pickup Coil 11 5 3 Disassembly bibe 12 5 4 aa sn tens eaten decid ten AE 12 5 5 Trouble Shooting n 13 5 6 Spare Parts cetero OE una a 14 298 298 Introduction 1 1 Introduction We are proud that you have selected a Hoffer Turbine Flowmeter the finest precision turbine flow transducer on the market The Hoffer Teflon Series of turbine flow meters are designed for use in corrosive service and ultra pure water flow applications All wetted parts of the meters are made of Teflon The following information 1s provided for 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 advice 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 Teflon is a reg
16. ully for parts or auxiliary components that may have been packed with the shipment Refer to the packing list invoice for a detailed list of items included in the shipment The meter housing is marked by a flow direction arrow to indicate the calibrated 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 The correct gaskets and bolts should be utilized 4 Pickup Coil Crush ring E Meter Body ring When installing the meter tighten the mounting bolts on each end of the meter evenly until contact is made between the meter housing gasket and mating flanges Tighten each bolt turn more If leakage occurs tighten the bolts on each end equally in 4 turn increments Do not tighten more than one turn When it 1s expected that flow will be intermittent the meter should not be mounted at a low point in the piping system Solids that settle or congeal in the meter may affect meter performance HP 298 8 Installation 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 The fluid moving
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