I N S T R U C T I O N S
For the installation and maintenance of DS1525 - DS1550 -
DS2525 - DS2550 desuperheaters
IMI0030E.doc
Rev.4 20/08/12
20090 SEGRATE (MI)- via E.Fermi
EMAIL:
[email protected]
TEL.(02) 269912.1 - FAX.(02) 2692.2452
Page 1 of 17
Страница 1: ...N S For the installation and maintenance of DS1525 DS1550 DS2525 DS2550 desuperheaters IMI0030E doc Rev 4 20 08 12 20090 SEGRATE MI via E Fermi EMAIL info carrarovalvole it TEL 02 269912 1 FAX 02 269...
Страница 2: ...ty indications 4 5 Safety warnings 5 6 Safety precautions 6 7 Transport handling and storage 7 8 Inst and ass instructions for DS1525 DS1550 DS2525 DS2550 8 1 Cross section drawings 8 8 2 Removing the...
Страница 3: ...guarantee are defined in the manufacturer s General Conditions of Sale The applicable conditions are those stipulated in the most up to date version in existence at the time of delivery The guarantee...
Страница 4: ...tions if necessary on how to avoid the risk The box at the top contains a warning word DANGER WARNING CAUTION ATTENTION which indicates the level of risk The box in the middle contains a drawing indic...
Страница 5: ...the risks deriving from the use of such methods Consequently CARRARO has not even attempted to start such a task Therefore whoever uses a service method or piece of equipment which is not recommended...
Страница 6: ...desuperheaters at least once two years The outer surfaces of desuperheaters reach temperatures approximately equal to the temperature of the fluid flowing through them For this reason if fitting a des...
Страница 7: ...rheaters must be stored in a dry environment and protected against atmospheric conditions They must not be removed from their crates or packaging until immediately before installation The protective m...
Страница 8: ...ISI 431 8 Seat housing A 182 F11 9 Body pipe A 335 P11 P22 10 Water flange A217 WC6 o A182 F11 F22 11 Gasket Graphite 12 Stud A 193 B7 13 Packing gland AISI 431 14 Nut A 194 2H 15 Gland plate AISI 304...
Страница 9: ...pecifications of the order Remove the desuperheater from its package by lifting it with slings for heavy loads wrapped round its body Do not lift the unit by the water inlet connection the actuator or...
Страница 10: ...15 m although the specific distance for the application is generally specified in the quote Longer distances ensure complete evaporation of the water at lower vapour speeds The temperature sensor must...
Страница 11: ...ected by its own filter with maximum mesh size of 0 1 mm 0 4 mm acceptable for nozzles from E upwards On request Carraro can supply a supplementary filter The mainly application of Carraro s filter is...
Страница 12: ...eater and the operation of the transmitter and temperature control unit by manually increasing and reducing the output signal and observing the temperatures shown and recorded Once there is satisfacto...
Страница 13: ...ice Grind the weld points on the nozzle with a standard angle grinder Check that the weld has been sufficiently removed to allow unobstructed rotation of the tightening ring Unscrew the tightening rin...
Страница 14: ...de the gland and remove any traces of graphite by polishing lengthways with fine emery cloth 9 6 PACKING GLAND Remove all the rings and components of the sealing system from the valve body Thoroughly...
Страница 15: ...n length and diametrically opposed One weld must secure the tightening ring to the body extension and the other must secure the spray cylinder to the tightening ring On completion check the welding us...
Страница 16: ...zle assemblies may have been specifically designed for a particular type of service The delivery time for special components is 8 weeks 10 2 STORAGE At the time of receipt check that the crate and the...
Страница 17: ...are parts or information always indicates the serial number shown on the name plate attached to the desuperheater 11 3 Name plate example MODEL NO YEAR TAG NO S N WATER CONN NOZZLE CV STROKE MOUNTING...
