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Related Manuals for CARRARO DS1525
Summary of Contents for CARRARO DS1525
- Page 1 I N S T R U C T I O N S For the installation and maintenance of D S 1 5 2 5 - D S 1 5 5 0 - D S 2 5 2 5 - D S 2 5 5 0 d e s u p e r h e a t e r s IMI0030E.doc 20090 SEGRATE (MI)- via E.Fermi EMAIL:...
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Page 2: Table Of Contents
Validity of instructions.................... 3 Safety indications ....................4 Safety warnings ..................... 5 Safety precautions....................6 Transport, handling and storage................7 Inst. and ass. instructions for DS1525 - DS1550 - DS2525 - DS2550 Cross-section drawings ..................8 Removing the packaging..................9 Installation ......................9 Start-up........................12 Maintenance ......................12... -
Page 3: General Information
The user shall bear sole responsibility in the event of physical and/or material damage deriving from failure to observe the above. VALIDITY OF INSTRUCTIONS These instructions relate to variable area desuperheaters: • DS1525 - DS1550 - DS2525 - DS2550 8) (Fig.1) ARAGRAPH IMI0030E.doc 20090 SEGRATE (MI)- via E.Fermi EMAIL: info@carrarovalvole.it... -
Page 4: Safety Indications
I N S T R U C T I O N S For the installation and maintenance of D S 1 5 2 5 - D S 1 5 5 0 - D S 2 5 2 5 - D S 2 5 5 0 d e s u p e r h e a t e r s PRODUCT SAFETY INDICATIONS AND TAG SYSTEM If and where appropriate, safety indications have been put inside tags on the sides of the pages of this manual. -
Page 5: Safety Warnings
Given the large number of conditions and circumstances that may arise while working on the products and the consequent risks deriving from the way this is done, CARRARO is not able to prevent all risks of injury to people and damage to property and can only help by asking you to take the utmost care and giving you the following safety suggestions. -
Page 6: Safety Precautions
° Before carrying out any work on desuperheater components, consult CARRARO. IMI0030E.doc 20090 SEGRATE (MI)- via E.Fermi EMAIL: info@carrarovalvole.it... -
Page 7: Transport, Handling And Storage
D S 2 5 2 5 - D S 2 5 5 0 d e s u p e r h e a t e r s TRANSPORT, STORAGE AND HANDLING Transport Carraro DS desuperheaters are packed with the utmost care in wooden crates or cardboard boxes so that they are protected during handling and transport to their place of installation. The connections are protected to prevent the entry of dirt. -
Page 8: Cross-Section Drawings
D S 2 5 2 5 - D S 2 5 5 0 d e s u p e r h e a t e r s INSTALLATION AND ASSEMBLY INSTRUCTIONS DS1525 – DS1550 – DS2525 – DS2550 Cross-section drawings •... -
Page 9: Removing The Packaging
(±5 mm). The nominal diameter of the mounting trunk must be as follows: for DS1525/DS2525 25 m version - 3” (DN 80), with maximum tube schedule of 160; for DS1550/DS2550 50 m /h version - 4”... - Page 10 I N S T R U C T I O N S For the installation and maintenance of D S 1 5 2 5 - D S 1 5 5 0 - D S 2 5 2 5 - D S 2 5 5 0 d e s u p e r h e a t e r s The minimum length of tube required downstream varies according to application and is specified in the respective quote.
- Page 11 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 to clean water from particles during the start up operations. If no other filter system is installed this filter can be left and periodically inspected.
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Page 12: Start-Up
I N S T R U C T I O N S For the installation and maintenance of D S 1 5 2 5 - D S 1 5 5 0 - D S 2 5 2 5 - D S 2 5 5 0 d e s u p e r h e a t e r s Fig. -
Page 13: Removal
The bore of the cylinder must not exceed 32 mm for the DS1525/DS2525 model and 45 mm for the DS1550/DS2550 model, with maximum out-of-round of 0.25 mm. Any debris must be removed from the nozzles with a compressed air jet. Inspect the nozzle outlet holes. -
Page 14: Body Extension
The area must be kept clean in order to ensure that the valve seals correctly. Do not use grease or lubricants in the area of the sealing system. Always use genuine Carraro components supplied as a set (see Fig. 7). Fig. 7 RE-ASSEMBLY Before refitting the valve, lubricate all the threads with a high-temperature-resistant nickel compound. -
Page 15: Welding
Both TIG and ARC welding are acceptable, and the recommended electrode material is ER NiCrMo3. At least 4 welds are necessary for the DS1525/DS2525 and at least 8 for the DS1550/DS2550. They must be 8 mm in 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. -
Page 16: 10 Replacement Parts
At the time of receipt, check that the crate and the desuperheater are free from damage. If you find damage to either the product or the package, notify a Carraro representative immediately. Before stocking the equipment, repair any superficial damage to the packaging in order to prevent the entry of dust or water. -
Page 17: Repairs
TEL +39 02.269912.1 - FAX +39 02 .2692.2452 11.4 To ensure the desuperheaters treated in this manual work correctly, they should be serviced by Carraro engineers or by Carraro-authorised Service Centres using original spare parts. ATTENTION! The manufacturer accepts no responsibility if modifications to the product or operations not described in this manual are carried out.
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