Igema LG40-CS Installation And Operating Instructions Manual Download | Manualshive

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Reflex Level Gauge

LG40-CS

D-02-B-31946-EN-0.doc
Ausgabe 07/2017

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Summary of Contents for LG40-CS

Page 1: ...Reflex Level Gauge LG40 CS D 02 B 31946 EN 0 doc Ausgabe 07 2017 ...

Page 2: ... Technical data 7 8 4 1 Versions 7 4 2 Type of connection 8 4 3 Materials 8 4 4 Application limits 8 4 5 Corrosion resistance 8 4 6 Identification plate Marking 8 5 Construction 9 6 Assembly 9 10 6 1 Version with flange 9 6 2 Version with butt welding end 10 6 3 Heat treatment of weld seams 10 6 4 Drain piping 10 7 Commissioning 10 11 7 1 Commissioning of unit together with the boiler 10 7 2 Commi...

Page 3: ...nformation and operating instructions 13 9 2 Construction 14 15 9 3 Commissioning 15 9 4 Maintenance 16 9 5 Assembly 16 10 Drain valve 17 18 10 1 Construction 17 10 2 Assembly 17 10 3 Commissioning 17 10 4 Maintenance 18 11 Case of Damage 18 12 Spare parts 18 19 12 1 Reflex level gauge 18 12 2 Shutoff valve 19 12 3 Drain valve 19 13 Decommissioning 20 13 1 Disposal 20 14 Supplement 20 22 14 1 Warr...

Page 4: ... 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 may work on the unit which must be free of pipeline stress Carefully read observe and preserve these mounting and operating instructions Observe and adhere to the precautions marked in bold characters...

Page 5: ...the whole body are possible Wait until the unit has cooled 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 Always wear work gloves when exchanging packing valve seat and valve cone Exclusion of liability The IGEMA GmbH Mess und Regelsysteme does not ...

Page 6: ...ply LG40 CS The unit is delivered as complete unit see page 9 1 level gauge 1 1 upper shutoff valve 2 1 Lower shutoff valve 3 1 drain valve 4 3 2 System description The reflex level gauge in different versions is used to detect the water level of containers and steam generators 3 3 Function The level gauge works according to the physical law of the communicating tubes It is equipped with a longish...

Page 7: ...et D 09 D 36387 EN Sight openings standard designs One sight opening Size 5 6 7 8 9 10 Sight lenght 200 230 260 300 320 350 Sight opening on top of each other 2ü 426 486 546 626 666 726 3ü 652 742 832 952 1012 1102 4ü 878 998 1118 1278 1358 1478 5ü 1104 1254 1404 1604 1704 1854 6ü 1330 1510 1690 1930 2050 2230 7ü 1556 1766 1976 2256 2396 2606 8ü 1782 2022 2262 2582 2742 9ü 2008 2278 2548 10ü 2234 ...

Page 8: ...components are made of C steel or stainless steel according to DIN or ASME 4 4 Application limits Max allowable pressure PS bar 32 Max allowable temperature TS C 239 4 5 Corrosion resistance The safety of the unit is not influenced by corrosion if it is used as intended 4 6 Identification plate Marking The following data are indicated on the identification plate marking depending on the realizatio...

Page 9: ... Glass 5 Plug 11 Sealing 6 Pressure screw 12 Pressure plate 6 Assembly 6 1 Version with flange Respect installation position Remove protecting caps from connection flanges Caps only serve as transport protection Ensure that sealing surfaces are clean and undamaged Mount reflex level gauge 6 2 Version with butt welding end Respect installation position 9 ...

Page 10: ...shutoff device D1 W1 if exists and drain valve 4 Slightly open upper shutoff device D2 carefully heat up glass holder with steam until operating temperature is reached Closed drain valve Slowly open upper shutoff device D2 and lower shutoff device W2 as far as it will go Wait for alignment of water level If water level is not visible see special operating instructions shutoff valves drain valve If...

Page 11: ...intenance 8 1 Leakage Re tighten corresponding screw connection in case of leakage See point 7 3 Re tightening of screws If necessary replace gasket and check sealing surface Severe burns and scaldings on the whole body are possible Replace gaskets only if level gauge is empty and pressureless 8 2 Cleaning of glasses During first commissioning or re commissioning oil or grease residues can deposit...

Page 12: ... cushion 13 glass 12 gasket 11 and screw holder 8 Remove completely remaining gasket and cushion parts Clean sealing surface of gauge body as well as contact surface of pressure plate 8 5 Assembly Insert sealing 11 glass 12 cushion 13 and pressure plate 14 Install glass with grooves turned to the medium Grease pressure screws 7 with suitable lubricant screw into screw holder 8 and insert Insert cl...

Page 13: ... are not allowed The shutoff valve is equipped with self closing ball standard The self closing ball is a safety device which automatically closes the valve passage of the shutoff valves on the process side if level gauge is damaged accidentally glass break Residuals in piping or fitting dirt welding beads etc inevitably lead to leakages seat cone Fig 1 Fig 2 Fig 3 Ball position during commissioni...

Page 14: ... Before every commissioning re commissioning repair or conversion ensure proper completion of all installation assembly works and that valve has correct functioning position Check specifications of material pressure and temperature Slightly open shutoff valves with self closing ball on boiler nozzles containing steam and water counterclockwisely for approximately 5 minutes to prevent that ball clo...

Page 15: ...in A120 A210 70 Nm For assembly see chapter 9 5 Replacement of packing set Base ring 5 gland packing 6 stuffing box 7 Screw out upper part of valve 10 10a with valve spindle 4 4a 14 and remove from valve housing 1 Unfasten handwheel 11 handlever 15 Unfasten screw cap 8 and screw out valve spindle 4 4a 14 from valve housing 1 1a upper part of valve 10 10a Remove packing set 5 6 7 Carefully remove d...

Page 16: ...ing has free outlet to atmosphere and is protected from pressure peaks Firmly screw on drain valve with sealing ring 2 on existing unit Assemble drain piping tube ø 12x1 material St 35 8 on provided pipe union 14 as per DIN 2353 on the part of the builder 10 3 Commissioning Rust sand or similar impurities inside of the medium or during first flushing can cause leakage if they remain in the area of...

Page 17: ... spindle 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 packing with scraper rings 5 Insert stuffing box 7 Tighten screw cap 8 Insert new sealing ring 9 Grease thread of upper part of valve 10 screw in and tighten with tightening torque Md 220 Nm Place hand...

Page 18: ...on Size Article N Qua 1 Plug G 1 2 40 00329 1 2 Sealing ring ø21 x ø26 x 1 5 mm 40 00099 1 3 Pressure plate 2 40 00422 nx1 3 Pressure plate 3 40 00423 nx1 3 Pressure plate 4 40 00424 nx1 3 Pressure plate 5 40 00425 nx1 3 Pressure plate 6 40 00426 nx1 3 Pressure plate 7 40 00427 nx1 3 Pressure plate 8 40 00428 nx1 3 Pressure plate 9 40 00429 nx1 3 Pressure plate 10 40 00430 nx1 4 5 Spare part packa...

Page 19: ...ø9 x ø17 5 x 1 5 mm 40 00109 1 4 Sealing ring ø22 x ø27 5 x 1 5mm 40 00117 1 5 Spindle 25 00126 1 6 Hand lever set 25 00102 1 Pos N Designation Article N Qua 1 Spindle with conus 40 11308 1 2 Packaging unit 40 11309 1 3 Sealing ring ø20 x ø24 x 1 5 mm 40 01873 1 4 Sealing ring ø21 x ø26 x 1 5 mm 40 00099 1 5 Hand lever made of sheet steel 1 19 ...

Page 20: ...it observe legal regulations for waste disposal 14 Supplement Warranty We accord a warranty period of 24 months on our products A condition for that is the appropriate treatment according to these mounting and operating instructions The warranty for wear and spare parts is restricted to material defects and construction faults The reflex glasses and sealings installed in the reflex level gauge are...

Page 21: ...ity IGEMA product was designed manufactured and tested with the application of the QM System guidelines in accordance with DIN EN ISO 9001 2000 If the device supplied indicates transport damage or gives cause for complaint in spite of our final quality control please contact our SERVICE department on telephone 0241 5687 0 by return 21 ...

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