SANITARY SERIES Turbine Flowmeters
Contents
1. 2 33 Flow Straighteners and Installation Kits 4 Maintenance eoe 4 1 General tee iced eee ir ER 4 2 Cleaning Procedures 4 2 1 Chemical Cleaning 4 2 2 Steam Cleaning eee een 4 3 Pickup Coil Testing eene 44 Disassembly ene dire tee e 4 5 Assembly 2o sci dete 4 6 Trouble Shooting 4 7 Spare Parts eadeni ee Appendix A Drawing Typical Assembly Sanitary Flowmeter With Installation Kit HP 257 257 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 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 advice We welcome you to our growing family of satisfied customers If you are not completely satisfied with either our product or service we encourage2. 3 40 GPM 650 GPM HP 257 BEARING TYPE MODEL HO3A TURBINE SIZES Introduction 3 XI OPTION ME KC 1 4 THRU 11 2 2 21 2 C9 HARD CARBON COMPOSITE SLEEVE BEARING M 199 GRADE NOT ACCEPTABLE FOR USE IN FOOD WITH pH BELOW 6 HARD CARBON COMPOSITE SLEEVE BEARING M 100 GRADE ACCEPTABLE FOR USE IN FOOD WITH pH BELOW 6 HARD CARBON COMPOSITE SLEEVE BEARING M 199 GRADE NOT ACCEPTABLE FOR USE IN FOOD WITH pH BELOW 6 HARD CARBON COMPOSITE SLEEVE BEARING M 100 GRADE ACCEPTABLE FOR USE IN FOOD WITH pH BELOW 6 HARD CARBON COMPOSITE SLEEVE BEARING M 199 GRADE NOT ACCEPTABLE FOR USE IN FOOD WITH pH BELOW 6 HARD CARBON COMPOSITE SLEEVE BEARING M 100 GRADE ACCEPTABLE FOR USE IN FOOD WITH pH BELOW 6 HARD CARBON COMPOSITE SLEEVE BEARING M 199 GRADE NOT ACCEPTABLE FOR USE IN FOOD WITH pH BELOW 6 HARD CARBON COMPOSITE SLEEVE BEARING M 100 GRADE ACCEPTABLE FOR USE IN FOOD WITH pH BELOW 6 C1 C9 9 C9 C1 NOTE BOTH BEARINGS ARE APPROVED BY THE FOOD AND DRUG ADMINISTRATION PICKUP COILS MODEL HO3A OPTION 1M 2M IMC3PA IMC2PAHT 2MC2PAHT 2MC3PA 2HTM ISM 18 218 218 2RPMXXX 2RPRXXX 1DMXXXX 2DMXXXX IDRXXXX XC 0 EL ONE MAG COIL TWO MAG COILS ONE RF COIL ONE HIGH TEMP 6 PIGTAIL RF COIL TW
3. a flow rate indicator which can be used to set a safe flow rate during the steam cleaning cycle HP 257 15 4 3 Pickup Coil Testing Testing the MAG and MCP RF coils consists of measuring the resistance with an ohmmeter Resistance measurements are to be made only when there is no flow through the meter 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 2 The resistance from any pin to the case should be greater than 1 Mohm COIL DC rcu MC2PAHT 15 0 10 MCP3A 11 5 41096 PC13 74G 1800 10 PC13 748 1850 15 PC24 45G 1350 10 24 455 1850 15 PC28 13G 120 420 PC28 14G 180 420 If either resistance measurement fails replace the pickup coil Firmly seat the new coil in the flowmeter and tighten the locking nut Pickup Connections CU X OO O O OO Og Og MAG MCP RF RediPulse Signal A Signal 8 30 B Common B Common B Common C C Pulse Output specific coils not listed contact the HFC Customer Service Department for the approximate resistance readings HP 257 Maintenance 16 Retaining Ring Rotor Upstream Hanger Downstream Hanger Exploded View of Internals Assembled Internals 4 4 Disassembly 1 Remove the retaining ring from the inlet end of th
4. 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 after notice fro
5. you to let us know We want to improve HP 257 Introduction 2 1 1 Model Number Designation The Model number of the meter describes various fittings and options HO SANITARY LI QUI D TURBINE SERI ES MODEL X B A C D E F G H _ TRI H PROCESS CONNECTION END FITTING SIZE TURBINE FLOWMETER SIZE MINIMUM FLOW RATE IN GPM MAXIMUM FLOW RATE IN GPM BEARING TYPE PICKUP COILS COIL SPACING MECHANICAL DEGREES RISER AND EXPLOSION PROOF COIL ENCLOSURES PROCESS CONNECTION END FITTING TYPE TRI CLAMP END FITTING SIZE SPECIAL FEATURES PROCESS CONNECTION END FITTING amp TURBINE FLOWMETER SIZE MODEL RS LE 11 2 X I 4A 34 X HO3A 11 2 X 3 8A 344 X 3 8A 11 2 X 1 2 HO3A 34 12A HO3A 11 2 X 58A 34 X 5 8A HO3A 11 2 X 3 4A HO3A 11 2 X 1 HO3A 11 2 X 11 HO3A 11 2 X 11 2A HO3A 2 X 2A HO3A 3 X 212A HO3A 4 X 3B NOTE THE MODEL NUMBERS ABOVE MARKED WITH AN ASTERIK MUST USE AN INSTALLATION ADAPTER KIT IAK MINIMUM FLOW AND MAXIMUM FLOW RATE EIN GPM MODEL X 0 1 NOTE FOR EXTENDED RANGES REFER TO ENGINEERING GUIDE HO EG 106 TURBINE SIZE MINIMUM FLOW MAXIMUM FLOW 1 4 35 GPM 3 5 GPM 3 8 75 GPM 7 5 GPM 1 2 1 25 GPM 9 5 GPM 5 8 1 75 GPM 16 GPM 3 4 2 5 GPM 29 GPM 1 4 60 11 4 6 GPM 93 GPM 11 2 8 GPM 130 GPM 2 15 GPM 225 GPM 21 2 25 GPM 400 GPM
6. GES 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 of nonconforming
7. O HIGH TEMP 6 PIGTAIL RF COILS TWO RF COILS HIGH TEMP MAG COIL TWO HIGH TEMP MAG COILS ONE INTRINSICALLY SAFE MAG COIL NORTH AMERICA ONE ISM ATEX COIL TWO INTRINSICALLY SAFE MAG COILS NORTH AMERICA TWO ISM ATEX COILS ONE REDI PULSE MAG COIL TWO REDI PULSE MAG COILS ONE REDI PULSE RF COIL TWO REDI PULSE RF COILS ONE REDI PULSE INTRINSICALLY SAFE MAG COIL TWO REDI PULSE INTRINSICALLY SAFE MAG COILS ONE REDI PULSE INTRINSICALLY SAFE RF COIL HP 257 Introduction 4 2DRX TWO REDI PULSE INTRINSICALLY SAFE RF COILS ATEX 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 P PIGTAIL OR FLYING LEADS ADD P AND THE LENGTH OF LEADS AFTER ANY COIL EXCEPT THE HIGH TEMPERATURE COILS COIL SPACING MECHANICAL DEGREES MODEL X X G FM C NOTE G 90 DEG ELECTRICAL COIL SPACING FOR TWO COILS REQUIRE THE FOLLOWING MECHANICAL SPACING IF A SECOND COIL IS NOT REQUIRED SKIP OPTION G AND MOVE ON TO OPTION H 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 ZERO 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 4 ZERO 97 50 180 RISER AND EXPLOSION PROOF COIL ENCLOSU
8. RES MODEL X KC 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 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 C OR ABOVE 140 F 60 C X8S ATEX 8 LONG S S 3 4 MNPT RISER FOR FLUID TEMPERATURES BELOW 40 F 40 C OR ABOVE 140 F 60 C NOTES EXPLOSION PROOF FLAME PROOF ENCLOSURE WITH 3 4 FNPT MOUNT AND 3 4 CABLE ENTRY FM CLASS DIV 1 GR ABCD CLASS DIV 1 GR EFG TYPE 4X CSA CLASS DIV 1 GR ABCD CLASS II DIV 1 GR EFG CLASS 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 l HP 257 END FITTING TYPES MODEL HO3A _ X __ _ __ _ Introduction 5 _TRI _ __TRI TRI CLOVER SANITARY END FITTING SPECIAL FEATURES MODEL HO3A _ X _ _ __ _ 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 SP ANY SPECIAL FEATURES THAT ARE NOT COVERED IN THE MODEL NUMBER USE A WRITTEN DESCRIPTION OF THE SP 1 2 Specifications Linear
9. SANITARY SERIES Turbine Flowmeters USER S MANUAL HP 257 November 2014 H HOFFER FLOW CONTROLS INC Perfecting Measurement 107 Kitty Hawk Lane P O Box 2145 Elizabeth City North Carolina 27906 2145 1 800 628 4584 gt 252 331 1997 FAX 252 331 2886 www hofferflow com Email info 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 item to be connected a
10. am 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 HP 257 Installation 11 required downstream pressure may be calculated using the following equation Minimum Pressure 2xPr essureDrop 1 25xVapor Pressure Downstream pressure may be maintained by a downstream valve that provides the necessary downstream pressure to prevent flashing cavitation in the metering run 3 2 Strainers Filters Turbine 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 14 to Vz 100 0055 5 to 112 70 008 1 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 Flow Straighteners and Installation Kits Proper application of the Hoffer Sanitary Series Flowmeter requires a minimum inlet straight pipe run of 10 pipe diameters and a minimum outlet straight pipe run of 5 pip
11. e diameters Installation kits for the Hoffer Sanitary 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 Flow straightening sections may be provided within the installation kit HP 257 Installation 12 This page intentionally left blank HP 257 Maintenance 13 4 Maintenance 4 1 General With the early design field repairs are not recommended Should any of these meters require repairs it is recommended that the meter be returned to the factory The later design allows for field repairs When making field repairs carefully follow the disassembly and assembly instructions in the following sections Consult the Factory to determine the meter design 4 2 Cleaning Procedures The Hoffer Sanitary Series flowmeters have been designed to allow for cleaning by commercially accepted practices These include removing the flowmeter from the line for cleaning in an approved fluid flushing the line with an approved cleaning solution and steam cleaning With all cleaning methods care must be taken to not over spin the meter as severe meter damage may occur 421 Chemical Cleaning The flowmeters may be chemically cleaned using an approved cleaning solution by either removing the meter from the service line and using a bath or by flushing the meter in place The hard carbon composite bearing designs used have been
12. e meter Using a blunt tool carefully push the internals out of the meter through the inlet end 3 Remove the coil ONLY if it must be replaced 4 5 Assembly 1 down stream hanger is placed into the 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 2 Place the rotor on the upstream hanger Ensure that the rotor IN faces the upstream hanger 3 Place the upstream hanger in the housing Align the hanger with the downstream hanger 4 Replace the retainer ring using an appropriate tool Check for rotor endplay The rotor should have free lateral movement and should make a rattling noise when gentlely shaken from end to end A HP 257 4 6 Trouble Shooting Refer to the following troubleshooting guide for assistance with possible meter malfunctions Maintenance 17 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 internals improper installation Meter not giving pulse Faulty pickup coil Replace pickup c
13. ity Repeatability Flow Range Temperature Range Output 0 5 of reading over linear flow range 0 1 of reading 0 35 to 650 gpm 450 F to 450 F w Standard MAG coil 450 F to 850 F w Hi Temp MAG coil 10 mVrms or greater into 10K ohm load at minimum flow rate HP 257 Introduction 6 This page intentionally left blank HP 257 Operation 7 2 Operation 2 1 Principle 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 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 linearly 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 may result in damage to the meter HP 257 Operation 8 This page intentionally left blank HP 257 Installation 9 3 Installation Upon receipt of the turbine flowmeter carefully inspect it checking for any indications of damage which may have occurred during shipment Inspect all packing material carefully for parts or auxiliary componen
14. m 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 1 Introd ction un e id 1 1 Model Number 1227 Sp cifications uat eed 2 Operation isis uen Rhet ean 2 1 P nciplea a n au aus su ua nated s 22 PIecautiOns s u s ee eee nae hes 2 Installatlom oui ett Pete ertt 3 1 General PIPINE 3
15. nd 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 OTHER PERSONS DAMA
16. od practice to maintain a minimum straight run of 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 257 Installation 10 A typical flowmeter installation is shown below BYPASS RUN Bypass Valve Strainer Flow Straighener Turbine Flowmeter Blocking Valve peus lt METER RUN Typical Flowmeter Installation 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 IMPORTANT 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 To maintain an accurate flow measurement it is necessary to maintain a downstre
17. oil Signal Meter internals not turning due to improper installation Replace internals HP 257 Maintenance 4 7 Spare Parts 18 The following table contains the recommended spare parts for Hoffer Sanitary Series flowmeters the Item No Qty Part No Part Description 1 1 300 Pickup Coil 1 1 300 9992 Retaining Ring 1 1 300 9992 Upstream Hanger 1 1 300 9992 Rotor Assembly 1 1 300 9992 Downstream Hanger 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 available 2 Meter internals are order by the size of the meter Consult with the factory for the correct part number Have complete meter model number available HP 257 Appendix A Drawing DRAWING Typical Assembly Sanitary Flowmeter with Installation Kit HP 257 LIM NOLLVTIVISNI 43L3AMO13 ASVLINVS 18 355 T VOldAL ONI STOMLNOD MOTI Y3440H NOU 40495530 rozi w on Gu vos oa v dav ava X 3807 5 00 313A INIAN 40 01 HOLVN OL 01 13 5 9 257
18. tested and found to be compatible with the following CPI fluids manufactured by Klenzade Mandate AC 300 AC 101 Principle and 12 Following the cleaning operation the cleaning solution should be flushed from the meter and or service line with potable water to remove the chemically active cleaning solution Care should be taken to ensure that flowrates occurring during chemical cleaning do not exceed the flow capacity of the flowmeter 257 Maintenance 14 4 2 2 Steam Cleaning Steam cleaning is only recommended for meters with hard carbon composite bearings The steam flow velocity during the cleaning should not exceed 1 3 of the maximum liquid flow capacity of the flowmeter Steam Cleaning Rates at Various Steam Pressures Meter 50 psig 75 psig 100 125psig Velocity Rate Size PPH PPH PPH FPS GPM 1 4 1 25 1 70 2 25 2 50 1 72 1 05 3 8 2 70 3 67 4 75 5 39 3 68 2 25 1 2 3 50 4 73 6 14 7 00 4 74 2 90 5 8 5 78 7 82 10 20 11 50 5 02 4 80 3 4 10 50 14 20 18 40 20 90 6 32 8 70 1 21 70 29 40 38 10 43 10 7 35 18 00 1 33 70 45 70 59 30 67 10 7 32 28 00 1 47 00 63 60 82 50 93 50 7 08 39 00 2 81 30 110 10 142 80 162 00 6 89 67 50 2 144 60 196 00 254 00 288 00 7 84 120 00 3 235 00 318 00 412 60 467 00 8 85 195 00 NOTES 1 PPH Pounds Per Hour The velocity is expressed for a line size equal to the inlet bore of the flowmeter 3 The apparent GPM is provided since many applications have
19. ts which may have been packed with the shipment Refer to the packing list invoice for a detailed list of items included in the shipment 3 1 General Piping 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 clamps should be utilized 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 The fluid moving 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 go
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