Igema NA7-130 Installation And Operating Instruction Download Page 19 | Manualshive

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19

11. Drain valve

11.1 Construction

AV500, AV520

•

Male thread G½“ on input

side

•

Output side with cutting ring

connection ø 12 as per DIN
2353

– DS12

AV540, AV550

•

Male thread G½

” on input

side

•

Output side with welding end

•

On request other

connections possible

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Summary of Contents for NA7-130

Page 1: ...Edition 07 2021 D 06 B 51014 EN 00 INSTALLATION AND OPERATING INSTRUCTION NA7 45 NA7 130 Magnetic level indicator...

Page 2: ...e Steam is our passion and we offer you the entire programme for the safe and economic operation of your plants especially in the steam and condensate sector Please read the installation and operating...

Page 3: ...ons for this device 9 1 5 Exclusion of liability 9 2 Contents of packing 10 3 Important information 10 3 1 Intended use 10 4 Explanations 10 4 1 System description 10 4 2 Function 10 5 Technical data...

Page 4: ...ment for retrofitting otherwise already pre installed 15 8 Electrical connection 15 8 1 Magnetic switch 16 8 2 Primary element 16 9 Commissioning 16 9 1 Adjustment of indicating flaps 16 9 2 Commissio...

Page 5: ...9 11 1 Construction 19 11 2 Assembly 20 11 3 Commissioning 21 11 4 Maintenance 21 12 Spare parts 22 12 1 Magnetic level gauge 22 12 3 Drain valve 22 13 Decommissioning 23 13 1 Disposal 23 14 Warranty...

Page 6: ...bove tasks IGEMA GmbH accepts no liability for damage to property or personal injury caused by unqualified persons or by failure to observe these installation and operating instructions If no sufficie...

Page 7: ...s The maximum values of the pressure and temperature range of the device must be checked before installation If the maximum allowable operating values of the device are lower than those of the system...

Page 8: ...been depressurised and that the pressure has been safely reduced to atmospheric pressure In principle no system should be regarded as unpressurized even if indicated by pressure measuring devices suc...

Page 9: ...he applicable safety and environmental laws according to GGVSEB German ordinance on the national and international carriage of dangerous goods by road rail and inland waterways must always be observed...

Page 10: ...ted magnetic system The product corresponding to the EU 2014 68 EU Applied standards as per EN 13445 EN 12952 EN 12953 AD 2000 or ASME Boiler 4 Explanations 4 1 System description The level gauge indi...

Page 11: ...5 Technical data 5 1 Versions NA7 version flange cap 2 6m 6m Possible vent connections Vent cap Flange Flange with vent flange Possible drain connections Flange with drain flange Flange with drain val...

Page 12: ...nsity the float is made of titan Other components in contact with the medium and pressure retaining components made of carbon steel according to DIN or ASME 5 4 Application limits Max all pressure PS...

Page 13: ...arrow on the valve indicates the flow direction and must point towards the standpipe 2 Check mating dimensions between instrument nozzle and boiler nozzle Make sure that there are no magnetic material...

Page 14: ...er magnetic system and the new gasket 2 2 are packed and fixed outside of the standpipe 2 when the unit is supplied Open cover flange 2 3 Carefully remove float packing Insert float with top heavy sid...

Page 15: ...of the lower process connection is the reference point for the zero mark of the sensor marked in red see special data sheet and operating instruction for primary element MRK 8 Electrical connection On...

Page 16: ...a sheet and operating instruction for primary element MRK 9 Commissioning Attention danger of life Unit may be hot during commissioning and during operation Customer can possibly provide safety device...

Page 17: ...Maintenance When using viscous or crystallizing media clean standpipe 2 and float 2 1 inside in regular intervals and during boiler revision Attention danger of life Unit may be hot during commission...

Page 18: ...use new gaskets 2 2 when assembling the unit Tighten bolts of cover flange standpipe in several steps using successively opposite diagonal tightening see table in chapter 10 2 until reaching tightenin...

Page 19: ...onstruction 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 welding end On request oth...

Page 20: ...5 Scraper rings 12 Plate OPEN CLOSED AUF ZU 6 Gland packing 13 Cap nut 7 Stuffing box 14 Drain connection 11 2 Assembly Ensure that drain piping has free outlet to atmosphere and is protected from pr...

Page 21: ...ap 8 with open end wrench AF27 clockwisely until valve is tight Spindle 4 must stay movable Replace gland packing if re tightening of packing was not successful Replacement of packing Screw off cap nu...

Page 22: ...ainless steel 3 1 Fixing element 15 00250 3 Indicating ledge AL1 G 10 130070 AL2 G 10 130072 AL3 G 10 130074 2 2 Flange sealing depending on the order 6 Screw plug 40 00329 40 00330 Sealing 40 00099 4...

Page 23: ...priate treatment according to these mounting and operating instructions The warranty for wear and spare parts is restricted to material defects and construction faults The magnetic switches are wear p...

Page 24: ...24 15 Manufacturer s Declaration...

Page 25: ...25...

Page 26: ...26...

Page 27: ...27...

Page 28: ...28 Antwerpener Str 1 Fon 49 2501 92424 0 48163 M nster Fax 49 2501 92424 99 Deutschland info igema com www igema com IGEMA GmbH...

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