Related Manuals for AFLOWT UF-5 d Series
Summary of Contents for AFLOWT UF-5 d Series
- Page 1 ULTRASONIC FLOW METER AFLOWT UF (with clamp-on converters) VERSION UF-5xx d INSTALLATION MANUAL ISO 9001:2015...
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Page 2: Table Of Contents
CONTENTS Page INTRODUCTION ..................... 3 1. SAFETY INSTRUCTIONS ................... 4 2. MOUNTING PREPARATION ................4 3. MOUNTING REQUIREMENTS ................5 3.1. Requirements for Mounting the Electroacoustic Transducers ...... 5 3.1.1. General Requirements................5 3.1.2. Placing the PEA pair for single-beam sounding ........5 3.1.3. -
Page 3: Introduction
The present manual covers procedures for on-site mounting and dismounting of AFLOWT UF ultrasonic flowmeters of UF-510 d, -520 d, -522 d models. In the course of work, also refer to manuals "ULTRASONIC FLOW METER AFLOWT (with clamp-on converters). Version UF-5xx d. Operation manual" part 1 and 2. -
Page 4: Safety Instructions
1. SAFETY INSTRUCTIONS 1.1. The flowmeter should be mounted (dismounted) by the qualified tech- nical staff: - Certified for performing work of this type on the site where the flowmeter is installed and authorized by the manufacturer - Authorized to work with electrical installations up to 1000 V - Upon reading all the instructions for the flowmeter and the auxiliary equipment used for mounting and dismounting. -
Page 5: Mounting Requirements
3. MOUNTING REQUIREMENTS 3.1. Requirements for Mounting the Electroacoustic Transducers 3.1.1. General Requirements. 3.1.1.1. The following requirements should be observed on-site of PEAs mount- ing: - Liquid pressure in the pipeline and operation conditions must not be of values that may facilitate gas (air) release and/or accumulation - When the flowmeter is operated, the pipeline should be fully filled with liquid - Flow turbulence and pulsations are minimal. -
Page 6: Placing The Pea Pair For Two-Beam Sounding
3.1.3. Placing the PEA pair for two-beam sounding The clamp-on PEAs are mounted on the pipeline along the diame- ter (Fig.3). In this case, the PEA pairs for Z- and V-configurations can be placed either in different longitudinal planes or in the same plane. The symbols in brackets correspond to the PEA pairs placed in the same plane. -
Page 7: Length Requirements For Straight Pipe Runs
3.2. Length requirements for straight pipe runs 3.2.1. For proper flowmeter’s operation, before the first and the last PEA with respect to the flow direction, there should be straight pipe runs of corre- sponding length with the DN equal to the DN of the pipeline. The “type” installation minimum values of relative length of the straight pipe runs for various PEA installation configurations and types of hydraulic re- sistance are shown in Table A.1 of Appendix A. -
Page 8: Mounting The Flowmeter
For this purpose, you can use the handheld ultrasonic flowmeter "AFLOWT UFd PORT". The inner pipeline surface at the PEA mounting location should be covered with acoustically transparent corrosion- and sediment-resistant protective coating. - Page 9 brated and have the valid Calibration Certificates or corresponding marks in the Equipment Certificates. In addition to the above-mentioned measuring tools, it is necessary to use the profiled angle, marking pencil for metal pipes and centre punch. All measurement and calculation results are registered in the corre- sponding reports with 0.1 mm accuracy.
- Page 10 4.2.3.2. Defining the average value of MC outer diameter by direct diameter measurement. Eight points are marked on each of the selected cross-sections of the MC. The points are equispaced along each cross-section (Fig.6). Fig.6. Location of points on the MC cross-sections. Three measurements are made in the planes 1-5;...
- Page 11 is in its maximum position towards the surface of the MC. The meas- urements can be carried out with the help of a vernier caliper and measuring reel. The average value of MC outer diameter at the selected points in cross-sections 1 and 2 is calculated as follows: , mm, Where D...
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Page 12: Mounting The Secondary Measuring Converter
4.2.7. Defining equivalent asperity of the MC. The value of equivalent asperity of the MC inner surface d is de- fined as per Table 2 and then registered in the report. Table 2 Material Pipe type and condition of the inner surface d, mm Brass, copper, aluminum, ... - Page 13 When mounting PEAs according to Z- scheme, the stripped areas are located on the opposite walls of the MC (pipeline) at a distance of 0.5 DN between the mid-points of the areas (along the MC axis). 4.4.2. PEAs are attached to the connectors of the corresponding CS channel (Channel 1 –...
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Page 14: Wiring The Flowmeter
4.4.5. To install the PEAs for two-beam flow sounding, the procedures accord- ing to items 4.4.1-4.4.4 are performed for each PEA pair. 4.5. Wiring the Flowmeter 4.5.1. When connecting PEAs to the CS, it is necessary to provide that the el- ements of the measuring channel (PEAs and communications cables) be in correspondence with the characteristics of the channel. - Page 15 4.5.8. The need for protective grounding is determined by power supply and environment conditions under which the flow meter is operated. The protective grounding and earthing device should correspond to the rules on design of power electric installations. Do not use the light- ning protection system for grounding since in could result in device's failure.
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Page 16: Start-Up Procedure
5. START-UP PROCEDURE 5.1. Before start-up you should check that flowmeter’s operation parameters specified in the Passport correspond to data entered in the flowmeter memory. 5.2. Parameters are entered according to the Operation Manual, Sections 2.1, Part II. 5.3. In case the flowmeter was supplied without the MS, and PEAs were mounted on site, flowmeter’s zero offset dT0 and additional delay Padd should be determined for each measurement channel or flowmeter beam according to the method specified in the Operation Manual, Sec-... -
Page 17: Appendix A. Relative Length Of Straight Pipe Runs
APPENDIX A. Relative length of straight pipe runs Table A.1 shows minimum values of relative length of pipeline straight runs for installation of clamp-on PEAs depending on local hy- draulic resistance types. Table A.1 Relative length of a straight run, N, minimum Type of local hydraulic resistance V-scheme... - Page 18 Table A.1 (cont'd) Control valve Fully-open ball valve Pump Pump DN1 / DN DN1 / DN In case of various types of hydraulic resistance in the pipeline, the length of a pipeline straight run related to the resistance nearest to the PEAs should be no less than the value specified in the table, and the distance from the PEAs to the other hydraulic resistances should be no less than the value specified in the table for hydraulic resistance of this...
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Page 19: Appendix B. Report On Mounting And Start-Up Procedure
(recommended) REPORT on mounting and start-up procedure for AFLOWT UF flowmeter, serial No. ________(sheet __ of ____) UF-5__ d design version, channel No. _____ Beam 1 – PEA1.1 No. ______ / PEA1.2 No. _______ ; Beam 2 – PEA2.1 No. ______ / PEA2.2 No. _______ ;... - Page 20 Table B.3 Cross section 1 Cross section 2 Outer diameter Measurement plane Measurement plane Measured value, D , mm 0 ij Average value in cross section, D , mm 0 avg j Average value, , mm 0 avg 4. MC outer diameter in the longitudinal plane of PEA installation, D (deter- tr avg mined in case of PEA installation on the diameter)
- Page 21 8.3. Kinematic viscosity ratio of liquid, = _________ m 9. Length of CS-PEA communications cables Table B.6 Parameter value in the channel with PEAs Parameter PEA1.1- PEA1.2 PEA2.1- PEA2.2 Length of CS-PEA communications ca- bles, m 10. Measurement channel parameters 10.1.
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Page 22: Appendix C. Kinematic Viscosity Ratio Of Water
APPENDIX C. Kinematic viscosity ratio of water Table C.1 t, C t, C t, C t, C t, C ·10 ·10 ·10 ·10 ·10 0.00 1.7905 35.00 0.7247 70.00 0.4137 105.0 0.2807 140.0 0.2125 1.00 1.7307 36.00 0.7107... -
Page 23: Appendix D. Straightening Vane Design
APPENDIX D. Straightening vane design 1. Fig.D.1 shows the design of type A straightening vane that is manufac- tured according to the following rules: a) straightening vane plate thickness is equal to the diameter of the holes; depending on material, the plate can be made of one or several sheets b) all the diameters of the holes in the plate are equal c) holes are spread more thickly in the center of the plate, and more rare-... - Page 24 Fig.D.2. Design of type B flow straightening vane. 3. Hole marking in straightening vanes is shown in Table D.1. Table D.1. Coordinates of the holes in straightening vanes of A and B type (D – pipeline internal diameter) Item X axis Y axis 0.142D 0.283D...
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