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APPENDIX D. Signal cables PFC-SC

Fig.D.1 Wiring diagram of the flow meter signal cables in the remote

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im_mft_eng.doc1.4

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Страница 1: ...TECHNOLOGICAL MAGNETIC FLOW METER AFLOWT MFT INSTALLATION MANUAL ISO 9001 2015 ...

Страница 2: ...peline 5 3 3 Mounting the secondary converter of the flowmeter remote version 9 3 4 Wiring the Flowmeter 10 4 DISMOUNTING 11 5 PUTTING INTO OPERATION 12 APPENDIX A Mounting wafer type Flowmeters into the pipeline 13 APPENDIX B Mounting Flowmeters of flanged type into the pipeline 16 APPENDIX C Mounting Secondary converter 19 APPENDIX D Signal cables PFC SC 21 ...

Страница 3: ... flow sensor PFC inner channel 2 When the flowmeter is energized DO NOT perform electric welding in the room where the flowmeter is placed in case the pipeline where the flowsensor is installed is not filled with liquid and on the pipeline where the flow sensor is installed 3 While welding passing of weld current through the PFC body is STRICTLY FORBIDDEN 4 When welding is performed DO NOT use the...

Страница 4: ...the flowmeter switch over modes and replace electronic components if the flowmeter is powered up Remove the flowmeter from the pipeline until pressure in the pipeline section worked on is fully released Use defective electronic devices and electric tools or use them without proper grounding 1 4 Prior to performing work make sure that no dangerous AC DC voltage that may cause injury or death is app...

Страница 5: ... not needed To prevent air collection at the mounting location the flowmeter should not be placed at the upper point of the pipeline or in the open ended pipeline the best place to mount the flowmeter if applicable is the lower or the uprising pipeline run see Fig 1 Liquid pressure in the pipeline must not be of values that may facilitate gas release The flowmeter should be mounted in the part of ...

Страница 6: ...ting or welding or dispatching MFT for regular calibration or repair In addition the set may include straight pipe runs of appropriate length DNs equal to DN of the flowmeter and concentric adaptors to provide connection from pipeline s greater DN1 DN2 to DN of the flowmeter DN DN1 DN2 ratio at customer s option View of assembly welded structures for mounting flanged flowmeters into the pipeline a...

Страница 7: ... connection of the wires 3 2 6 2 After welding the weld joints must be stress relieved by means of heat treatment 3 2 6 3 After completion of work check weld joints and mating faces for leakages according to the norms specified for pipelines of the corresponding type To do this loosen the clamps fastening pipes to the supports and put the pipeline into operation Re weld bad joints and replace gask...

Страница 8: ...install new fluoroplastic gaskets of appropriate thickness or several gaskets of greater thickness CAUTION Please make sure that the gaskets are aligned relative to the PFC inner channel i e a gasket must not even partly cover the PFC inner channel To provide alignment of gaskets it is recommended to fix the gaskets by adhesive The flowmeter is mounted into the pipeline when all construction weldi...

Страница 9: ...aTreid ARN HYDRA by Danfoss Compensators from WILLBRANDT authorized distributor is KREOLAIN company or similar The compensator shall be mounted into the pipeline following the instructions outlined in the corresponding operational maintenance documentation and considering the requirements given in Table 1 3 2 7 4 Replace the simulator with the flowmeter The whole structure is assembled by firm tig...

Страница 10: ...cted to the connectors on the switching module see Fig D 1 The maximum cable length is 10 meters Connection of power and communication cables to the electronics block is performed in the same way as for the flow meter in a combined version п 3 4 2 3 4 4 As a 24 V power cable you must use twin core round conductor The power cable should be up to 150 m long for the core cross section of 1 5 mm2 and ...

Страница 11: ...g flowmeters with the threaded coupling connection of the wires is not required as the electrical connection of the cut pipeline parts is ensured by the flowmeter s components 3 4 8 The need for protective grounding is determined by power supply and environment conditions under which the flow meter is operated To prevent failures of the flow meter the grounding terminal must not be connected to th...

Страница 12: ... located on the flowmeter s body Length of the inlet and outlet straight pipe runs corresponds to flow direction The flowmeter and related equipment are connected in accordance with the selected wiring diagram The outputs operate in the preset modes Power supply voltage corresponds to the specifications 5 2 At first power up or after a long break in operation the flowmeter is operational after All...

Страница 13: ...case and pipeline Fig A 1 Assembly welded structure for mounting the wafer type flowmeters DN10 DN15 into the pipeline Table A 1 Dimensions of the assembly welded structure for mounting the wafer type flowmeters mm DN DN1 DN2 L L1 L2 L3 L4 Notes 10 20 83 78 78 239 299 25 359 32 329 40 359 50 389 65 439 15 20 83 103 78 264 324 25 384 32 354 40 384 50 414 65 464 reference dimensions without processi...

Страница 14: ...35 Н12 2 5 0 2 10 Flange 20 25 01 1 B St25 15 40 Н12 2 5 0 2 15 Flange 20 25 01 1 B St25 1 revision to F 2 threaded hole М5 Fig A 2 Modifications made for flanges for mounting MFT s of wafer type When welding flanges shown in Fig A 2 to the pipeline adaptor pipes shall be used see Fig A 3 The length of the adaptor pipes should be no less than the length of the straight pipeline run see Table 1 of ...

Страница 15: ...15 Fig A 3 Adaptor pipes Table A 3 Adaptor pipeline dimensions DN mm d1 mm d2 mm d3 mm c mm L mm L1 mm 10 11 6 26 17 0 5 0 5 75 40 15 15 26 21 100 65 Fig A 4 Welding flanges to adaptor pipes ...

Страница 16: ...pipeline Fig B 1 Assembly welded structure for mounting flanged flowmeters into the pipeline Table B 1 Dimensions of assembly welded structure for flanged MFT s mm DN DN1 DN2 L L1 L2 L3 L4 Notes with protect rings without protect rings with protect rings without protect rings with protect rings without protect rings 1 2 3 4 5 6 7 8 9 10 11 20 25 150 142 124 84 362 354 422 414 32 422 414 40 422 414...

Страница 17: ...986 150 944 936 200 984 976 80 100 200 192 435 275 916 908 1074 1066 125 1114 1106 150 1174 1166 200 1104 1096 250 1354 1346 300 1324 1316 350 1614 1606 100 125 250 242 535 335 1124 1116 1324 1316 150 1384 1376 200 1314 1306 250 1404 1396 300 1404 1396 350 1824 1816 400 1824 1816 150 200 270 262 795 495 1564 1556 1844 1836 250 1924 1916 300 1844 1836 350 2004 1996 400 2004 1996 500 2604 2596 200 2...

Страница 18: ...sing tolerances adaptor is made from two concentric adaptors Flat welded slip on flanges supplied with the set of fittings should be modified as follows a threaded M5 hole is drilled for fixing a wire on the cylindrical surface of a flange ...

Страница 19: ...19 APPENDIX C Mounting Secondary converter Fig C1 Wall bracket Fig C2 Top plate Fig C3 Detachable coupling ...

Страница 20: ...20 Fig C4 The secondary converter is mounted on the bracket ...

Страница 21: ...21 APPENDIX D Signal cables PFC SC Fig D 1 Wiring diagram of the flow meter signal cables in the remote version im_mft_eng doc1 4 ...

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