Igema NA7-50 Page 1 Installation And Operating Instructions Manual Download | Manualshive

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Summary of Contents for NA7-50

Page 1: ......

Page 2: ...limits 8 4 5 Corrosion resistance 8 4 6 Identification plate Marking 8 5 Construction 9 6 Assembly 9 6 1 Version with flange 9 6 2 Version with welding end 10 6 3 Heat treatment of weldseams 10 6 4 Fl...

Page 3: ...9 2 Tightening torques 14 10 Drain valve 14 10 1 Construction 14 10 2 Assembly 15 10 3 Commissioning 16 10 4 Maintenance 16 11 Spare parts 17 11 1 Magnetic level gauge 17 11 2 Drain valve 17 12 Decomm...

Page 4: ...n passing the unit to a third party these mounting and operating instructions must be enclosed in the national language of this third party Only skilled and qualified personnel with special work order...

Page 5: ...In case of opening and disassembling the unit residual medium can escape Further evaporation is also possible on pressureless plant Sharp edged interior parts can cause cutting damages on the hands A...

Page 6: ...uipment also possible for existing devices Magnetic switch Primary element MRK Drain valve 3 2 System description The level gauge indicates the level in the boiler indirectly 3 3 Function The unit wor...

Page 7: ...e Flange with vent flange Possible drain connections Flange with drain flange Flange with drain valve To indicate a range 2 6 m it is necessary to use 2 or more superposed indicating ledges For level...

Page 8: ...ess steel for low medium density the float is made of titan 4 4 Application limits 4 5 Corrosion resistance The safety of the unit is not influenced by corrosion if it is used as intended 4 6 Identifi...

Page 9: ...Check mating dimensions between instrument nozzle and boiler nozzle Make sure that there are no magnetic materials or magnetic field generators in close proximity of the standpipe within 100 mm 6 1 V...

Page 10: ...h top heavy side upwards into standpipe top heavy side with colour marking Tighten cover flange 2 3 and associated gaskets 2 2 with standpipe using successively opposite diagonal tightening see chapte...

Page 11: ...nologies and of the local network operators for the installation to be provided by the customer Only use cables that are suitable for the operating range Observe the switching time of the magnetic swi...

Page 12: ...rating condition and adjust the height if necessary 8 3 Commissioning of unit if boiler is already in operating condition Close drain valve A plug 6 see sketch chapter 5 Open slowly shutoff valve W an...

Page 13: ...valve A plug 6 unit is drained Caution When dismounting residual medium may escape and further evaporation is also possible Remove cover flange 2 3 Remove float and clean standpipe and float Insert fl...

Page 14: ...m 10 Drain valve 10 1 Construction AV500 AV520 Male thread G on input side Output side with cutting ring connection 12 as per DIN 2353 DS12 AV540 AV550 Male thread G on input side Output side with wel...

Page 15: ...ion 10 2 Assembly Ensure that drain piping has free outlet to atmosphere and is protected from pressure peaks Firmly screw on drain valve with sealing ring 2 on existing unit Cutting ring connection A...

Page 16: ...ndle with cone 4 upwards Push out gland packing 6 with scraper rings 5 from top and clean packing space Assembly Grease spindle thread insert from top and firmly tighten screws Place new greased packi...

Page 17: ...0128 7 Screw plug 40 03794 Sealing 40 00127 4 Magnetic switch 15 03037 5 Primary element MRK depending on the order 2 1 Float depending on the order Pos no Designation Allowable pressure PS bar Articl...

Page 18: ...al regulations for waste disposal 13 Supplement Warranty We accord a warranty period of 24 month on our products A condition for that is the appropriate treatment according to these mounting and opera...

Page 19: ...19 IGEMA GmbH Antwerpener Str 1 D 48163 Germany Tel 49 25 01 9 24 24 0 Fax 49 25 01 9 24 24 99 info igema com www igema com...

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