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Related Manuals for Igema LG40-CS
Summary of Contents for Igema LG40-CS
- Page 1 Reflex Level Gauge LG40-CS D-02-B-31946-EN-0.doc Ausgabe 07/2017...
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Page 2: Table Of Contents
Table of contents- Health and safety instructions General health and safety instructions ........4 Unit-specific safety instructions ..........5 Exclusion of liability ..............5 Important information Intended use ................6 Explanations Scope of supply ................ 6 System description ..............6 Function .................. - Page 3 Maintenance 11-12 Leakage ................11 Cleaning of glasses..............11 Cleaning and purging of level gauge ......... 12 Exchange of glass ..............12 Assembly ................12 Tightening torques..............12 Shutoff valves 13-16 General information and operating instructions ......13 Construction ..............14-15 Commissioning ...............
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Page 4: General Health And Safety Instructions
General health and safety instructions 1. Avoidance of danger for persons and property • Only use unit for intended purpose. • No additional mountings and modifications on the unit without our approval. • Adhere to the standards for prevention of accidents and to the plant specific safety regulations. -
Page 5: Unit-Specific Safety Instructions
The IGEMA GmbH Mess- und Regelsysteme does not accept liability when a/m regulations, instructions and warning indications are not observed and adhered to. The operator is responsible for modifications on a unit of IGEMA (if they are not explicitly specified in the mounting and operating instructions). -
Page 6: Important Information
2.1 Intended use Reflex level gauge: The reflex level gauge LG40-CS is a direct water level gauge which can be used for steam boilers and containers. In the sight opening, the water level is indicated dark and the steam light. -
Page 7: Technical Data
4. Technical Data 4.1 Designs On top of each other One sight opening design sight opening design View show the left sided model View show the left sided model T=26mm (dead space) *L=dependent from process connection *L=dependent from process connection *Using an A140-CS valve, dimension are differently. -
Page 8: Type Of Connection
Valves: Valves Type Shut-Off valves A120-CS; A140-CS Drain valves AV100 4.2 Type of connection Standard : flanges according to DIN EN 1092-1 On request : flanges as per ASME Butt welding ends according to DIN or ASME Socket Welding ends according to DIN or ASME 4.3 Materials Components in contact with the medium and pressure-holding components are made of C steel or stainless steel according to DIN or ASME. -
Page 9: Construction
5. Construction for example: one sight design (1) Glass holder Screw holder (2) Upper shutoff valve Locking (3) Lower shutoff valve Sealing (4) Drain valve (10) Glass (5) Plug (11) Sealing (6) Pressure screw (12) Pressure plate 6. Assembly 6.1 Version with flange Respect installation position! •... -
Page 10: Heat Treatment Of Weld Seams
Remove protecting caps from connection flanges. Caps only serve as • transport protection. Assembly only by using welding process 111 and 141. • 6.3 Heat treatment of weld seams Supplementary temper tests of weld seams are not required! 6.4 Drain piping Close valves (D1, D2, W1, W2) after mounting •... -
Page 11: Maintenance
Pressure screws have been tightened and tested in our factory with the • corresponding tightening torques (see table chapter 8.6). Never re-tighten pressure screws during mounting / commissioning. Check if level gauge shows any leakages especially during first days after •... -
Page 12: Exchange Of Glass
Open upper and bottom shutoff device (D1,W1) (if exists) and drain valve • (4). Following that, slowly open upper shutoff device (D2) and steam flowing through the unit cleans the glasses. • Close upper shutoff device (D2) and drain valve (4) again. For commissioning see point 7. -
Page 13: Shutoff Valves
9.1 General information and operating instructions IGEMA valves are mostly maintenance-free and allow an easy handling. All IGEMA valves seal metallically and are hand-operated. Sealing of valve spindle is made with a gland packing. Turn handlever/handwheel clockwisely to close the valve. -
Page 14: Construction
9.2 Construction A120-CS and A140-CS • Lateral connection M12x48 • Always equipped with handlever • On request: with quick closing spindle Valve Housing Sealing ring Seat (10,10a) Upper part valve Cone set with stud (12) Ball (4, 4a) Valve spindle, quick closing (15) Hand lever Base ring... -
Page 15: Maintenance
9.4 Maintenance Carry out maintenance works and disassembly only if boiler and level gauge are empty and pressureless. Observe that lubricant is suitable for medium and operating temperature. Keep spindle thread always greased. Leakages on spindle (4,4a,14)/gland packing (6) Re-tighten screw cap (8). •... -
Page 16: Assembly
10. Drain valve 10.1 Construction AV100 • Male thread G½ on input side • Output side with cutting ring connection ø12 as per DIN 2353 – DS12 (1) Valve housing Screw cap (2) Sealing ring Sealing ring (3) Seat Upper part of valve (4) Valve spindle with cone (10) Handwheel (5) Stuffing box... -
Page 17: Assembly
10.4 Maintenance Before carrying out maintenance works on drain valve, unit has to be pressureless and empty! Severe burns and scaldings on the whole body are possible! Re-tightening of gland packing: If a valve is leaky, tighten screw cap (8) with open-end wrench (SW27) •... -
Page 18: Case Of Damage
11. Case of damage Provide security in the danger zone! Severe burns and scaldings on the whole body are possible! Check if no further steam escapes at the damaged place. • Set boiler pressureless ! Close valves as follows: • Close valves on steam and water holding stud. -
Page 19: Shutoff Valve
12.2 Shut off Valve Pos-N. Designation Article-N. Qua. Cone set, seat, ball 15-00116 Packaging unit 15-00113 Sealing ring ø9 x ø17,5 x 1,5 mm 40-00109 Sealing ring ø22 x ø27,5 x 1,5mm 40-00117 Spindle 25-00126 Hand lever set 25-00102 12.3 Drain valve Pos-N. -
Page 20: Decommissioning
13. Decommissioning Severe burns and scaldings on the whole body are possible! Before detaching flange connections, screws of stuffing box, pressure screws or screw plugs, all connected lines must be pressureless (0 bar) and cooled off to ambient temperature (20°C)! 13.1 Disposal Dismount unit and separate waste products. - Page 21 Fax.: +49 25 01 9 24 24 99 info@igema.com www.igema.com This high-quality 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.