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Operating instructions

KRAL flowmeters.

OME Compact series

OIO 20en-GB
Edition 2022-01
Original instructions

www.kral.at

Содержание OME Compact Series

Страница 1: ...Operating instructions KRAL flowmeters OME Compact series OIO 20en GB Edition 2022 01 Original instructions www kral at ...

Страница 2: ... 17 8 3 1 Protecting the flowmeter against soiling 17 8 3 2 Installation types 18 8 3 3 Installation recommendation 19 8 3 4 Installing the flowmeter 20 8 4 Removing the flowmeter 20 9 Connection 21 9 1 Dangers during connection work 21 9 2 Connecting the flowmeter to the pipe system 21 9 3 Connecting the flow meter electrically 22 10 Operation 22 10 1 Dangers during operation 22 10 2 Commissionin...

Страница 3: ...of contents 17 2 Tightening torques for screw plugs with thread measured in inches and elastomer seal 37 17 3 Contents of the Declaration of Conformity 38 Operating instructions OIO 20en GB Edition 2022 01 3 ...

Страница 4: ...on Transport personnel Transporting unloading setting up Qualified personnel for transport mobile crane operators crane operators forklift operators Fitter Mounting connection Qualified personnel for mounting Electrician Electrical connection Qualified personnel for electric installation Trained personnel Delegated task Personnel trained by the operator owner who know the task delegated to them an...

Страница 5: ... do not contain gas or solid components o Flowmeters require operation with clean liquids If coarse soiling solid particles in the liquid or ab rasive fine particles occur during operation the flowmeter must be protected additionally by a cor respondingly dimensioned operating filter in the pipe system o Use the flowmeter only within the operating limits specified on the rating plate and in the ch...

Страница 6: ...el o Wear personal protective equipment and work carefully o Pumped liquids can be subject to high pressure and can result in personal injury and damage to property in case of incorrect operation or damaged components o Pumped liquids can be hot poisonous combustible and caustic o Observe the associated data sheets and safety regulations when handling dangerous materials o Avoid skin contact with ...

Страница 7: ...ecognition with temperature compensation X Special design 5 Bearing material A Steel X Special design 6 Seal material A FPM FKM B FFPM FFKM C Low temperature FPM D EPDM X Special design 7 Mechanical connection A Thread connection BSPP B Flange connection DIN C Thread connection NPT D Flange connection ANSI X Special design 8 Electrical connection C Cable gland compact sensor D Fixing kit for displ...

Страница 8: ...e maximum values that however may not occur simultan eously In addition the operating limits of the corresponding completion of the sealing material and of the compact sensor or Smart Solution electronic unit must be observed Size Parameter Unit 13 20 32 52 Flow rate o Qmax l min 15 45 150 525 o Qrated l min 10 30 100 350 o Qmin l min 0 1 0 3 1 0 3 5 Max pressure bar 40 Min max temperature C 20 12...

Страница 9: ...iscosity mm2 s 1 50 Tab 3 Substitute operating data 4 5 Sound pressure level The sound pressure level of the flowmeters amounts to less than 70 dB A 4 6 Dimensions and weights 4 6 1 OME with compact sensor BSPP thread G D L1 H L2 DK Fig 4 Scale drawing of OME with compact sensor and pipe thread connection DK Cable diameter G Pipe thread D External dimensions without compact sensor L1 Total length ...

Страница 10: ...g 0 7 1 2 3 0 9 0 Tab 5 Dimensions and weights OME with Smart Solution electronic unit and pipe thread connection 4 6 3 OME with compact sensor DIN flange DN D L1 H L2 DK Fig 6 Scale drawing OME with compact sensor and DIN flange connection DK Cable diameter DN Flange nominal diameter D Outer diameter L1 Total length L2 Length of the flowmeter without connections H Overall height Size Parameter Un...

Страница 11: ... Length of the flowmeter without connections H Overall height Size Parameter Unit 20 32 52 DN 20 25 40 Pressure stage bar 40 40 40 D mm 105 115 150 L1 mm 135 185 325 L2 mm 95 140 225 H mm 79 94 134 Mass kg 1 7 3 0 11 8 Tab 7 Dimensions and weights OME with Smart Solution electronic unit and DIN flange connection Note The OME flowmeter with DIN flange is not available in size 13 in the Smart Soluti...

Страница 12: ...t mA 50 o Voltage drop V 1 o Electrical phase shift 90 20 Temperature sensor o Sensor type Pt100 IEC 751 o Accuracy class B o Circuit 3 wire Mechanical specification o Protection class IP 65 o Operating temperature C 40 125 o Pressure on front face bar 40 o Cable diameter mm 5 13 o Core cross section mm 0 1 1 5 o Compact sensor housing material Anodised aluminium 4 8 Smart Solution electronic unit...

Страница 13: ...contact free and with low friction in the flowmeter housing Single row deep groove ball bearings are used for OME series flowmeters 5 4 Signal generation The measuring pulses are sampled by the pick up directly at the screw and depending on the size and operating point result in a certain number of pulses per volume unit of flow This device specific characteristic is called the K factor unit pulse...

Страница 14: ...taken into account when calculating the total values The compact sensor is also equipped with a temperature sensor The current density of the medium flowing through can be calculated with the help of a density table stored in the electronics This allows standardised volume measurement in which the readings are converted to a reference tem perature that can be selected freely This ensures that meas...

Страница 15: ...on location or temporary storage site 6 5 Storing the flowmeter As a result of the calibration the internal components of the flowmeter are wetted with calibration liquid that has a preservative effect In addition a special anticorrosive agent is sprayed onto the interior of the flowmeter before being dispatched The connections of the flowmeter are fitted with protective cov ers The preservation a...

Страница 16: ... Position the flowmeter vertically 3 Fill non corrosive and resin free oil into the pressure connection up to approx 1 cm under the flange at the top while turning the measuring unit slowly so that the measuring unit is also wet ted 4 Close the upper connection with a blind flange 5 After about six months storage check the filling level of the oil and if necessary top up 7 3 Preserving the outer s...

Страница 17: ... by authorized qualified personnel o Ensure that the collection tank for emitted liquids is sufficiently large o Collect any discharging pumped liquid safely and dispose of it in an environmentally compatible manner in accordance with the applicable local regulations 8 3 Installing the flowmeter 8 3 1 Protecting the flowmeter against soiling Note Soiling in the pipe system impairs the service life...

Страница 18: ...ut operating filter o Small space requirements o Flowmeter can only be disassembled by interrupting operation 2 o Manual bypass o With or without operating filter o Manual opening of the bypass o Flowmeter can only be disassembled by interrupting operation 3 o Bypass with 3 shut off valves for flange connection o With or without operating filter o Flowmeter can be disassembled without interrupting...

Страница 19: ...all the flowmeter vertically Route the flow from the top downwards Route the piping at the outlet upwards Source for measuring error Lack of counter pressure at the outlet through downward routing of the piping Alternative installation variant Install the flowmeter horizontally Route the piping at the outlet upwards Source for measuring error Formation of an air pocket through the installation of ...

Страница 20: ...e flowmeter Personnel qualification o Fitter o Electrician Personal protective equipment o Work clothing o Face protection o Protective gloves o Safety boots Aids o Collection tank DANGER Risk of death resulting from electric shock Ensure that the electrical power supply is de energized and is secured against being switched back on Observe the operating instructions of the electrical components DA...

Страница 21: ... Ensure that the supply voltage is correct o The connection cable for the compact sensor or the Smart Solution electronic unit must be shiel ded and laid separately from the supply lines o Observe the instructions for connecting the compact sensor or the Smart Solution electronic unit Ä Servicing Page 25 o Housing and flanges of the OME series KRAL flow meter are anodised When installing the flow ...

Страница 22: ...endix Page 37 9 3 Connecting the flow meter electrically When electrically connecting the compact sensor or Smart Solution electronic unit observe the relevant operating instructions and Ä Servicing Page 25 10 Operation 10 1 Dangers during operation The following safety instructions must be observed strictly o Have all work only carried out by authorized qualified personnel o Ensure that the flowm...

Страница 23: ...N Increased wear and or blockade through solid particles or abrasive fine particles in the liquid Protect the flowmeter through correspondingly dimensioned operating filters in the pipe system ATTENTION Measuring error when the pressure drops below the minimum pressure outlet at the outlet Ensure that sufficient counter pressure exists at the outlet by routing the piping upwards ATTENTION Measurin...

Страница 24: ... that there is no hard gummy or crystallized pumped liquid in the flowmeter Requirement ü The ambient conditions correspond to the operating data ü Flowmeter connection to the pipe system is stress free ü Pipe system is free of solid particles ü Pipe system vented ü Shut off devices in the feed line and outlet opened Switch on the system ð The flowmeter is ready to operate 11 Maintenance 11 1 Requ...

Страница 25: ... table above and eliminate the cause 11 3 Recalibration of the flowmeter In order to maintain the high measuring precision of the flowmeter the manufacturer recommends car rying out the first recalibration after about one year of operation The results reveal any wear starting on the measuring unit The interval at which recalibrations are actually required depends strongly on the operating conditio...

Страница 26: ... socket screws 1 take off the end cover 2 and O ring 3 2 Remove the screw set with ball bearings and spacer sleeve 4 from the measuring housing 7 Note the assembly for later re assembly Remove the spacer sleeve 12 13 14 10 11 9 8 6 5 7 3 Pull the ball bearings 5 6 10 and 11 off the measuring screws 8 9 Use an extractor to do this 4 Remove the socket screws 12 take off the end cover 13 and O ring 1...

Страница 27: ...e end cover 13 tighten the socket screws 12 with torque 2 Press ball bearings 5 6 10 and 11 onto measuring screws 8 9 Note Press on via inner ring only 1 2 3 4 5 6 7 3 Slide the screw set into the measuring housing Pay attention to the assembly and insert the spacer sleeve 4 flush into the bore of the small measuring screw 9 4 Insert the O ring 3 into the measuring housing and place the end cover ...

Страница 28: ... of the compact sensor and the flat gasket 3 3 Pull the PCB connector 4 off the upper board 6 4 Loosen the screws 5 and remove the upper board 5 Loosen the hexagonal spacer 7 and remove the lower board 8 from the sensor bore 6 Remove the heat conducting foil 9 from the sensor bore in the measuring housing 10 12 3 2 Installing the sensor insert 1 2 3 4 5 6 7 8 9 10 9 28 OIO 20en GB Edition 2022 01 ...

Страница 29: ...esignation Terminal strip Designation 1 0 V 5 Com t 2 10 30 V 6 Com t 3 Sig 1 Q 7 Sig t 4 Sig 2 Q Tab 12 Compact sensor assignment table 12 3 3 Check the function of the compact sensor 1 Pick up Simulate low flow and measure signal voltages between terminal strips 1 and 3 as well as between 1 and 4 The signal voltages should alternate between approx 1 and 21 V DC The green LED for the power supply...

Страница 30: ...he Smart Solution electronics unit 2 Loosen the plug connection between the upper board 4 and the cable connection 5 3 Undo the socket screws 3 and remove the upper board 4 Undo the hexagon nuts 6 on the cable connection and remove the cable connection from the housing 8 5 Loosen socket screws 7 and remove the housing 6 Remove sensor insert 11 see Removing the sensor insert 30 OIO 20en GB Edition ...

Страница 31: ...the holes in the housing and tighten with hexagon nuts 6 with a torque of 2 Nm 4 Insert the upper board 4 into the housing and screw it tight with socket screws 3 5 Make the plug in connection between the upper circuit board and the cable connection 6 Place the cover 2 on the housing and fasten with Phillips screws 1 12 4 3 Testing the Smart Solution electronics unit For functional testing of the ...

Страница 32: ...egulations Before disposing neutralize the residues Requirement ü Flowmeter cooled down to the ambient temperature and disconnected from the pipe system ü Flowmeter drained completely ü Flowmeter placed at a location suitable for dismantling 1 Dismantle the flowmeter and disassemble it into its individual parts 2 Clean residues of the pumped liquid from the individual parts 3 Separate sealing elem...

Страница 33: ...2 3 Inlet pressure too low Increase the inlet pressure 4 Viscosity of the liquid too high Increase the temperature Observe the temperature range in the process 3 Flow rate too low Increase the flow rate or Use a flowmeter with a suitable size or Use linearisation Note the operating instructions of the electronic equipment 4 Flow rate too high Reduce the flow rate or Use a flowmeter with a suitable...

Страница 34: ...aring wear Replace the measuring unit Replace the bearings Filter out the abrasive materials 4 5 Sluggishness through deposits Disassemble the flowmeter and clean it carefully 2 3 Flow impaired at the system end Check whether the fluid flows in the system pump in operation slide valve opened etc Check whether shut off devices before and after the flowmeter are opened 2 3 Flowmeter switched to bypa...

Страница 35: ...2 Fig 11 Maintenance kit OME 13 52 Qty Item no Part Qty Item no Part 1 739 1 O ring 1 817 2 Deep groove ball bearing 1 739 2 O ring 1 817 3 Deep groove ball bearing 1 817 1 Deep groove ball bear ing 1 817 4 Deep groove ball bearing 15 2 Sensor insert for compact sensor 623 Fig 12 Sensor insert Qty Item no Part 1 623 Sensor insert including heat conducting foil Operating instructions OIO 20en GB Ed...

Страница 36: ...nstalling trace heating provided by the customer X 2 1 1 5 4 3 Fig 14 Flowmeter with trace heating principle diagram 1 Thermal insulation 2 Heating line 3 Piping 4 Flowmeter 5 Compact sensor Smart Solution electronic unit X Area mandatory without thermal insulation ATTENTION Faulty compact sensor or Smart Solution electronic unit or wiring due to exceeding the max imum temperature Do not heat the ...

Страница 37: ... 0 M 10 23 0 47 0 68 0 36 8 33 0 43 0 36 0 M 12 39 0 84 0 117 64 0 56 0 75 0 60 0 M 14 62 0 133 186 101 89 0 90 0 M 16 96 0 204 285 155 136 180 100 M 18 133 284 390 224 191 M 20 187 399 558 313 267 370 135 M 24 322 687 960 540 460 605 360 Tab 14 Tightening torques metric screw thread When screwing into aluminium the tightening torque reduces by 20 when the screw in depth is less than double the th...

Страница 38: ... fulfils all the relevant provisions of the following directives Number Name Remark 2006 42 EC Machinery Directive 2014 68 EU Pressure Equipment Directive 2014 30 EU Directive on Electromagnetic Compatibility Only for machinery with electrical components 2014 35 EU Low Voltage Directive Only for machinery with electrical components 2014 34 EU Directive on Use in Potentially Explosive Areas ATEX On...

Страница 39: ...Notes Operating instructions OIO 20en GB Edition 2022 01 39 ...

Страница 40: ...KRAL GmbH 6890 Lustenau Austria Tel 43 5577 86644 0 E Mail kral kral at www kral at ...

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