AFLOWT UF Series Скачать руководство пользователя страница 3 | Manualshive

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3

The present manual covers procedures for on-site mounting and

dismounting of AFLOWT UF ultrasonic flowmeters of UF-510 d, -520 d,
-522 d, -530 d, -540 d, -542 d, -544 d models. In the course of work, al-
so refer to manuals "ULTRASONIC FLOW METER AFLOWT UF (with
cut-in converters). Version UF-5xx d. Operation manual" part 1 and 2.

LIST OF ABBREVIATIONS

CS
DN
MC
CP
PEA

- Secondary measuring converter
- Nominal diameter
- Measuring cut
- Primary converter
- Electro-acoustic converter

NOTE. Words in the text marked in bold, for example,

Settings

cor-

respond to the items displayed on the flowmeter's screen.

CAUTION

! It is highly recommended to study the Operation Manual

before starting to use the flowmeter.

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Содержание UF Series

Страница 1: ...ULTRASONIC FLOW METER AFLOWT UF with cut in converters VERSION UF 5xx d INSTALLATION MANUAL ISO 9001 2015 ...

Страница 2: ... for four beam scanning 6 3 2 Length requirements for straight pipe runs 7 3 3 Requirements for placing the Secondary measuring converter 7 4 MOUNTING THE FLOWMETER 8 4 1 Mounting the Primary Converter 8 4 2 Mounting the Secondary Measuring Converter 8 4 3 Wiring the Flowmeter 9 5 START UP PROCEDURE 11 6 DISMOUNTING 12 APPENDIX A Relative length of straight pipe runs 13 APPENDIX B Report on mounti...

Страница 3: ...WT UF with cut in converters Version UF 5xx d Operation manual part 1 and 2 LIST OF ABBREVIATIONS CS DN MC CP PEA Secondary measuring converter Nominal diameter Measuring cut Primary converter Electro acoustic converter NOTE Words in the text marked in bold for example Settings cor respond to the items displayed on the flowmeter s screen CAUTION It is highly recommended to study the Operation Manu...

Страница 4: ...lectronic components when the flowmeter is powered up To use defective electronic devices and electric tools or use them with out proper grounding 1 5 Prior to connection of the flowmeter to the electric mains the CS module is to be connected to the protective earthing trunk line neutral earth ing CAUTION Prior to connecting the protective earthing trunk line make sure that the voltage is off 2 MO...

Страница 5: ...ocation if applicable is at the lower or uprising pipeline section Fig 1 Recommended locations of the CP 3 1 1 2 The difference in the internal diameters of the pipeline and a measuring cut MS of the CP at a link up point should not exceed 0 05 DN for straight measuring cuts and 0 1 DN for CPs of U elbow type 3 1 1 3 It is not recommended to install CP so that the PEA was in the upper or lower cir...

Страница 6: ...m PEA2 1 PEA2 2 pair 2nd beam Fig 3 Placing the PEA pairs on chords single beam sounding 3 1 4 Placing the PEA for four beam scanning In case of four beam scanning the PEA pairs are mounted on the CP along four chords placed horizontally Fig 4 The order of beams can be reverse PEA1 1 PEA1 2 pair 1st beam PEA2 1 PEA2 2 pair 2nd beam PEA3 1 PEA3 3 pair 3rd beam PEA4 1 PEA4 2 pair 4th beam Fig 4 Plac...

Страница 7: ... in upstream position and the length of the straight pipe runs shall be de fined in view of this condition 3 2 2 In case of mounting the straightening vane into the pipeline before the measuring section Appendix D reduction of straight pipe run length is possible at the inlet of the CP up to two times 3 2 3 For the flowmeter with PEAs mounted along the axis of the straight CP of U elbow type the r...

Страница 8: ...or 2 companion flange with the pipe adaptor 3 CP Fig 5 Assembly welded structure for mounting the flanged CP into the pipe line 4 1 4 A pipe run of the required length is cut at the selected liquid free pipe line section and a structure with a flanged CP is welded instead The arrow on the CP shall point to the flow direction or forward flow direction in case of bidirectional measurements CAUTION I...

Страница 9: ... network cables are fixed on the wall wherever possible The network cable is laid separately at a distance of 30 cm as a minimum from other cables To avoid mechanical damages it is rec ommended to place all cables in metal tubes or sleeves IT IS FORBIDDEN to lay CS PEA cables and external signal ca bles within proximity to power circuits With presence of high level elec tromagnetic interference fo...

Страница 10: ...electric installations Do not use the light ning protection system for grounding since in could result in device s failure As a grounding wire you must use a copper ground wire between the flowmeter and grounding device If mechanically protected its cross section must be minimum 2 5 mm2 Minimum 4 mm2 cross section is required for installations without protection The grounding conductor is connecte...

Страница 11: ...t date and time are checked and set if necessary see Section 2 5 Part II of the Operation Manual 5 6 The device should be switched into the OPERATION mode a jumper should be removed from terminal J4 Terminal J4 should be sealed If necessary two fixing screws are sealed from the front panel side If the parameters are set correctly the flowmeter displays flowrate measurement results 5 7 Requirements...

Страница 12: ...eline section where they are located ensure there is no pressure in the pipeline and drain the liquid Disconnect cables leading to the CS PEAs Dismount the CP and CS 6 2 Before dispatching the flowmeter with the CP for calibration or repair clean the measuring cuts and emitting surfaces of PEAs from sediment and liquid residues after dismounting ...

Страница 13: ...type installation different scheme of sounding depend ing on local hydraulic resistance types Table A 1 Type of local hydraulic resistance Relative length of a straight run N minimum single beam diame tral sounding two beam chord sounding four beam chord sounding 1 2 3 4 10 10 10 3 1 1 10 10 10 3 1 1 10 10 10 3 1 1 10 10 10 10 10 10 ...

Страница 14: ... 1 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 type ...

Страница 15: ..._________________________ 2 Site characteristics DN of measuring cut _______ mm PEA installation diagram ____________ negative flow ________ Type of sounding _________ beam Table B 1 Type of hydraulic resistance Length of a straight run m To PEA1 1 2 1 3 1 4 1 After PEA1 2 2 2 3 2 4 2 3 Parameters of the medium 3 1 Kind of liquid _____________________________________________ 3 2 Temperature of liq...

Страница 16: ...________________________________________ Representative of start up organization ____________________ ______________________ Signature name and initials ___ ______________ 20__ Customer representative ____________________ ______________________ Signature name and initials ___ ______________ 20__ Calibrator ____________________ ______________________ Signature name and initials LS ___ _____________...

Страница 17: ...00 84 00 85 00 86 00 87 00 88 00 89 00 90 00 91 00 92 00 93 00 94 00 95 00 96 00 97 00 98 00 99 00 100 0 101 0 102 0 103 0 104 0 0 4137 0 4083 0 4030 0 3979 0 3929 0 3880 0 3832 0 3785 0 3740 0 3695 0 3651 0 3608 0 3566 0 3525 0 3485 0 3446 0 3407 0 3370 0 3333 0 3297 0 3261 0 3227 0 3193 0 3159 0 3127 0 3095 0 3064 0 3033 0 3003 0 2973 0 2944 0 2916 0 2888 0 2861 0 2834 105 0 106 0 107 0 108 0 10...

Страница 18: ...ore rare ly at the periphery d holes have chamfers from the flow inlet site D internal diameter of the pipeline where the straightening vane is inserted Fig D 1 Design of type A flow straightening vane 2 To lower weight and material quantity a type B straightening vane Fig D 2 can be used it is manufactured according to the following rules a tubes are inserted in the plate holes b tube length is e...

Страница 19: ... D 0 078 D 6 0 134 D 0 225 D 7 0 156 D 0 381 D 8 0 252 D 0 9 0 255 D 0 146 D 10 0 288 D 0 288 D 11 0 396 D 0 12 0 400 D 0 151 D 4 The straightening vane is installed in the pipeline at a distance of 1 2 pipeline s DN from the last source of hydraulic resistance with respect to the flow direction When installing the straightening vane the length of a straight run before the PEA is determined as the...

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