Table of Contents
Related Manuals for Hoffer Flow Controls HP Series
Summary of Contents for Hoffer Flow Controls HP Series
- Page 1 HP Series Profile Insertion Flowmeters USER’S MANUAL HP-208 December 2020 107 Kitty Hawk Lane P.O. Box 2145 Elizabeth City, NC 27909 ● ● 1-800-628-4584 (252) 331-1997 Fax (252) 331-2886 ● ● www.hofferflow.com email: info@hofferflow.com...
- Page 3 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.
- Page 4 Limited Warranty HOFFER FLOW CONTROLS, INC. ("HFC") warrants HFC's products ("goods") described in the specifications incorporated in this manual to be free from defects in material and workmanship under normal use and service, but only if such goods have been properly selected for the service intended, properly installed and properly operated and maintained.
-
Page 5: Table Of Contents
MODEL NUMBER DESIGNATION - LIQUID ..........2 MODEL NUMBER DESIGNATION - GAS ........... 5 PRINCIPLE OF OPERATION ................ 8 ELECTRICAL DESCRIPTION ............... 8 HP SERIES SPECIFICATION ................ 8 INSTALLATION ..................... 9 STRAINERS/FILTERS ..................10 MAINTENANCE ..................... 11 BALL BEARING REPLACEMENT ............... 11 PICKUP COIL REPLACEMENT .............. - Page 6 HP-208 Page ii HP Insertion Meter...
-
Page 7: General Description
A conventional hot tap may be used to install the flowmeter. The HP Series Flowmeter consist of a support assembly, turbine rotor, and pickup coil which provides a pulse output signal that is proportional to the fluid flow. -
Page 8: Model Number Designation - Liquid
MODEL NUMBER DESIGNATION – LIQUID HP INSERTION – LIQUID TURBINE SERIES MODEL HP-B-( )- ( ROTOR SIZE MINIMUM FLOW RATE IN FPS MAXIMUM FLOW RATE IN FPS PROCESS CONNECTION/END FITTING BEARING TYPE PICKUP COILS EXPLOSION-PROOF COIL JUNCTION ENCLOSURES BI-DIRECTIONAL FLOW STEM LENGTH ADJUSTABLE OR FIXED STEM SPECIAL FEATURES... - Page 9 PICKUP COILS MODEL HP-B-( )-( - OPTION ( F ) (1M) ONE MAG COIL (1MC3PA) ONE RF COIL (1MC2PAHT) ONE HIGH TEMP 6" PIGTAIL RF COIL (1HTM) HIGH TEMP MAG COIL (1ISM) ONE INTRINSICALLY SAFE MAG COIL, NORTH AMERICA (1ISM-ATEX) ONE ISM ATEX COIL (1RPMXXX) ONE REDI-PULSE MAG COIL...
- Page 10 STEM LENGTH MODEL HP-B-( )-( - OPTION ( I ) INSERT INCHES REQUIRED ADJUSTABLE OR FIXED STEM MODEL HP-B-( )-( - )-( )-( OPTION ( J ) (AL) ADJUSTABLE (LOW PRESSURE 150# MAX) (AH) ADJUSTABLE (HIGH PRESSURE, DEPENDENT UPON FIXED SPECIAL FEATURES MODEL HP-B-( )-( -...
-
Page 11: Model Number Designation - Gas
MODEL NUMBER DESIGNATION – GAS HP INSERTION – GAS TURBINE SERIES MODEL HP-B-( )- ( ROTOR SIZE BLADE ANGLE - ASSIGNED BY TPC (DETERMINED BY GAS DENSITY) PROCESS CONNECTION/END FITTING BEARING TYPE PICKUP COILS EXPLOSION-PROOF COIL JUNCTION ENCLOSURES BI-DIRECTIONAL FLOW STEM LENGTH ADJUSTABLE OR FIXED STEM SPECIAL FEATURES... - Page 12 PICKUP COILS MODEL HP-B-( OPTION ( E ) (1M) ONE MAG COIL (1MC3PA) ONE RF COIL (1MC2PAHT) ONE HIGH TEMP 6" PIGTAIL RF COIL (1HTM) HIGH TEMP MAG COIL (1ISM) ONE INTRINSICALLY SAFE MAG COIL, NORTH AMERICA (1ISM-ATEX) ONE ISM ATEX COIL (1RPMXXX) ONE REDI-PULSE MAG COIL (1RPRXXX)
- Page 13 BI-DIRECTIONAL FLOW MODEL HP-B-( )- ( OPTION ( G ) (BF) BI-DIRECTIONAL FLOW. REQUIRES THE 2" ROTOR AND 3" END FITTING OPTIONS ABOVE. STEM LENGTH MODEL HP-B-( OPTION ( H ) INSERT INCHES REQUIRED ADJUSTABLE OR FIXED STEM MODEL HP-B-( )-( )-( OPTION ( I )
-
Page 14: Principle Of Operation
PRINCIPLE OF OPERATION The HP Series Profile/Insertion Flowmeter is a velocity measuring, turbine type flowmeter. The flowing fluid engages the vaned rotor causing it to rotate at an angular velocity proportional to the fluid flow rate. The angular velocity of the rotor results in the generation of an electrical signal (AC sine wave type). -
Page 15: Installation
Weld a short riser with appropriate pressure rating to the pipeline. This riser and the full port valve should have the mating fitting required by the HP Series Flowmeter. Correct gaskets and bolt types should be utilized. -
Page 16: Strainers/Filters
In the later application the arrow indicates the flow direction for the 'forward' calibration. In order for the HP Series Flowmeter to properly measure fluid flow, it is necessary to insert the well assembly at the mean velocity point. At this depth, the velocity and net area of the pipe section may be used to calculate the pulses per unit-volume of the measuring section. -
Page 17: Maintenance
MAINTENANCE The field maintenance of the HP Series Flowmeter is limited to inspection and/or replacement of a few components. In general, it is advisable to remove the insertion meter from the line on a periodic basis and examine it for contamination and wear. -
Page 18: Pickup Coil Replacement
Using a ¼” (for 1½” meter) or ” (for 2” meter) Spintite, remove one shaft locknut. Carefully slide the shaft out while supporting the rotor. The rotor will drop out once the shaft is removed. Remove the deflector cones, one from each side of the Well supports. Carefully inspect all components, replace any that may be worn or damaged. -
Page 19: Spare And Replacement Parts
SPARE AND REPLACEMENT PARTS To assure maximum operating efficiency and minimum downtime, it is recommended that the spare parts listed in Table A be stocked. Table A - Recommended Spare Parts Part Nomenclature Qty. Pickup Coil Pickup Coil w/ leads Well Assembly Seal 2-020 Viton O-Ring Bearings... -
Page 20: Insertion Depth Determination
INSERTION DEPTH DETERMINATION A review of the principles of fluid flow in pipelines reveals that the velocity of the fluid across the pipe is not constant. Under a given set of conditions a flow profile exists which varies from a parabolic shape in laminar flow to approximately flat in the turbulent flow region. - Page 21 A consequence of using center line positioning in medium diameter pipes is that a scaling factor, relating the average flow to the center line flow, must be included in determining the calibration constant of the metering section. In general, the profile scaling factor (PF) relates to the shape of the velocity profile under a given set of fluid conditions (i.e., Reynolds Number (Rn)).
- Page 22 An estimate of the error introduced into the indicated flow by the varying flow profile may be made with the aid of the following equation: − % ERROR 100% It may be noted that the percent error will increase as a larger turn down range is sought.
- Page 23 Table C – Insertion Depth and Obstruction Factor Chart Nominal Pipe ID Insertion Depth Obstruction Factor (inches) (inches) (OF) .8245 .8590 .8827 .8998 .9225 .9369 1.25 .9876 1.50 .9890 1.75 .9902 2.00 .9912 2.25 .9920 2.50 .9927 3.00 .9937 3.75 .9949 4.50 .9957...
Need help?
Do you have a question about the HP Series and is the answer not in the manual?
Questions and answers