background image

 

172-65608MA-03  (RGDS)    5  Oct  2021

 

20

 

REPORTED TO THE SELLER IN WRITING WITHIN THE WARRANTY PERIOD, INCLUDING 
A DETAILED WRITTEN DESCRIPTION OF THE CLAIMED DEFECT AND HOW AND WHEN 
THE CLAIMED DEFECTIVE PRODUCT WAS USED; AND (b) THE CLAIMED DEFECTIVE 
PRODUCT AND A COPY OF THE PURCHASE INVOICE IS RETURNED TO THE SELLER, 
FREIGHT AND TRANSPORTATION COSTS PREPAID, UNDER A RETURN MATERIAL 
AUTHORIZATION AND TRACKING NUMBER ISSUED BY THE SELLER. ALL LABOR 
COSTS, SHIPPING COSTS, AND TRANSPORTATION COSTS ASSOCIATED WITH THE 
RETURN OR REPLACEMENT OF THE CLAIMED DEFECTIVE PRODUCT ARE SOLELY 
THE RESPONSIBILITY OF BUYER OR THE FIRST END USER. THE SELLER RESERVES 
THE RIGHT TO INSPECT ON THE FIRST END USER’S SITE ANY PRODUCTS CLAIMED 
TO BE DEFECTIVE BEFORE ISSUING A RETURN MATERIAL AUTHORIZATION. SHOULD 
SUCH INSPECTION REVEAL, IN THE SELLER

’S REASONABLE DISCRETION, THAT THE 

CLAIMED DEFECT IS NOT COVERED BY THIS WARRANTY, THE PARTY ASSERTING 
THIS WARRANTY SHALL PAY THE SELLER FOR THE TIME AND EXPENSES RELATED 
TO SUCH ON-SITE INSPECTION. 

Exclusion of Consequential and Incidental Damages 

IT IS SPECIFICALLY ACKNOWLEDGED THAT THIS WARRANTY, ANY OTHER EXPRESS 
WARRANTY NOT NEGATED HEREBY, AND ANY IMPLIED WARRANTY NOT NEGATED 
HEREBY, INCLUDING THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS 
FOR A PARTICULAR PURPOSE, DO NOT COVER, AND NEITHER TLV, TII NOR ITS TLV 
GROUP COMPANIES WILL IN ANY EVENT BE LIABLE FOR, INCIDENTAL OR 
CONSEQUENTIAL DAMAGES, INCLUDING, BUT NOT LIMITED TO LOST PROFITS, THE 
COST OF DISASSEMBLY AND SHIPMENT OF THE DEFECTIVE PRODUCT, INJURY TO 
OTHER PROPERTY, DAMAGE TO BUYER’S OR THE FIRST END USER’S PRODUCT, 
DAMAGE TO BUYER’S OR THE FIRST END USER’S PROCESSES, LOSS OF USE, OR 
OTHER COMMERCIAL LOSSES. WHERE, DUE TO OPERATION OF LAW, 
CONSEQUENTIAL AND INCIDENTAL DAMAGES UNDER THIS WARRANTY, UNDER ANY 
OTHER EXPRESS WARRANTY NOT NEGATED HEREBY OR UNDER ANY IMPLIED 
WARRANTY NOT NEGATED HEREBY (INCLUDING THE IMPLIED WARRANTIES OF 
MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE) CANNOT BE 
EXCLUDED, SUCH DAMAGES ARE EXPRESSLY LIMITED IN AMOUNT TO THE 
PURCHASE PRICE OF THE DEFECTIVE PRODUCT. THIS EXCLUSION OF 
CONSEQUENTIAL AND INCIDENTAL DAMAGES, AND THE PROVISION OF THIS 
WARRANTY LIMITING REMEDIES HEREUNDER TO REPLACEMENT, ARE INDEPENDENT 
PROVISIONS, AND ANY DETERMINATION THAT THE LIMITATION OF REMEDIES FAILS 
OF ITS ESSENTIAL PURPOSE OR ANY OTHER DETERMINATION THAT EITHER OF THE 
ABOVE REMEDIES IS UNENFORCEABLE, SHALL NOT BE CONSTRUED TO MAKE THE 
OTHER PROVISIONS UNENFORCEABLE. 

Exclusion of Other Warranties 

THIS WARRANTY IS IN LIEU OF ALL OTHER WARRANTIES, EXPRESS OR IMPLIED, 
AND ALL OTHER WARRANTIES, INCLUDING BUT NOT LIMITED TO THE IMPLIED 
WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, 
ARE EXPRESSLY DISCLAIMED. 

Severability 

Any provision of this warranty which is invalid, prohibited or unenforceable in any 
jurisdiction shall, as to such jurisdiction, be ineffective to the extent of such invalidity, 
prohibition or unenforceability without invalidating the remaining provisions hereof, 
and any such invalidity, prohibition or unenforceability in any such jurisdiction shall 
not invalidate or render unenforceable such provision in any other jurisdiction.   

Summary of Contents for RGDS

Page 1: ...172 65608MA 03 RGDS 5 October 2021 Steam Desuperheating System RGDS Copyright 2021 by TLV CO LTD All rights reserved ...

Page 2: ...d this manual carefully before use and follow the instructions to be sure of installing and using the system properly by following the installation and operating procedure After the completing the installation work our technical personnel will explain the commissioning and operation of this system Please keep this manual commissioning report specification and all documents related to this system f...

Page 3: ...tuation which poses a threat of death or serious injury Indicates that there is a potential threat of death or serious injury Indicates that there is a possibility of injury or equipment product damage In the event of any abnormality stop the system and utilities supply steam water air and electricity Investigate the cause of the abnormality and take countermeasures Forbid the supply of utilities ...

Page 4: ...carrying out work on the wiring or inspections involving disassembly If such work is carried out with the power on there is a danger that components may malfunction or electric shock may occur leading to injury or other accidents Make sure that installation work requiring a special license is carried out by qualified personnel Improper work may cause falls dropped items overheating and electrical ...

Page 5: ...injected for temperature reduction Water mixing and separation section consist of static mixer and condensate separator in order to desuperheat reduce the temperature from the steam with the cooling water by passing the flow through 2 static mixers connected in series and later on through a cyclone separator to remove the excess water that could exist System Features The following are some feature...

Page 6: ... Injector Static Mixer Size Connection 50 200 mm 2 8 in JIS 10K 20K 30K ASME JPI Class 150 300 Condensate Separator Model DC3 Size 50 150 mm 2 6 in For 200 mm 8 in water injector static mixer 150 mm 6 in separators installed in parallel Steam Trap Model JS X series JH series Size Connection Depends on specifications Pump Section 2 Pump Model CRN 1 Non Ex proof CRN 1 eG3 d2G4 Size Connection Depend...

Page 7: ...temperature as required The strainer prevents clogging of the water injector s internal nozzle by dirt rust and scale The check valve reduces the risk of water hammer due to steam flowing into the desuperheating water line D Temperature sensor E Strainer F Check valve Water mixing and separation section G Water injector Injects water and mixes it with steam for desuperheating Discharges excess des...

Page 8: ...by qualified personnel Improper work may cause falls dropped items overheating and electrical leaks leading to injury burns fires damage and other accidents CAUTION After all piping work has been performed according to the system flow diagram check that all connections are tightened all gaskets have been installed and for unsecure installations Improper piping work may lead to discharge of fluids ...

Page 9: ...or body G see right Make sure this engraving is on the downstream side of the injector when installing the desuperheating water piping b The static mixer H is shipped as two separate pipe shaped products Each static mixer has a flow direction indicated on the flange L Left R Right Make sure the second mixer starts with the same direction as the first mixer i e LR LR and RL RL Note L and R do not d...

Page 10: ... Install flexible tubing on both the suction side and discharge side of the pump K to prevent vibrations from the pump from transmitting through the piping Make sure to use vibration absorbing type flexible tubing for use with pumps 3 Install a strainer to prevent foreign matter from entering the suction side of the pump K 4 Set a minimum flow line for the pump K and make sure not to operate the p...

Page 11: ...ng burns other injuries or damage CAUTION Checking the System 1 Preparation 1 1 Items to prepare System equipment list Flow diagram Product specifications Control box diagrams terminal connection diagrams sequence diagrams Applicable equipment documents drawings specifications etc Instruction manuals for each products 1 2 Items to verify Verify whether commissioning can be performed Installation p...

Page 12: ... pressure has reached approximately 0 2 MPaG less than the target value and switch to automatic operation 2 Verify that the steam pressure is stable at the target value Operating Procedures Desuperheating Section 3 Pressure reducing section 3 1 Preparation 1 Supply electricity air and water to the system 2 Turn on the power for the control box 3 Check whether the temperature sensor values are norm...

Page 13: ...l box Unnecessary if sharing the same control box as the pressure reducing section Shutdown Procedures Desuperheating Section 1 Verify that the pressure reducing section has stopped If a pump is installed stop the pump 2 Close the temperature control valve fully 3 Verify that the temperature control valve is fully closed and then close the manual valve on the primary side of the temperature reduci...

Page 14: ... this system NEVER stand close to or leave tools anywhere near moving parts such as the shaft Contact with moving parts or objects becoming caught in moving parts could lead to injury damage or other accidents CAUTION Periodically inspect and check the following items as preventive maintenance For details regarding maintenance considerations refer to the individual instruction manual for each comp...

Page 15: ...ing to replace consumable parts Part Replacement Timing Pump Mechanical seal When liquid leakage is observed or after 8000 hours operation Shaft bearings Every 2 to 3 years Gaskets When liquid leakage is observed or when disassembling Refer to individual instruction manuals for other maintenance and inspection procedures ...

Page 16: ...rying out work on the wiring or inspections involving disassembly If such work is carried out with the power on there is a danger that components may malfunction or electric shock may occur leading to injury or other accidents CAUTION Make sure that installation work requiring a special license is carried out by qualified personnel Improper work may cause falls dropped items overheating and electr...

Page 17: ...ler wire connections check the input signal wiring for incorrect connections Check the electrical wiring diagram and correct the wiring Check that a signal of 4 20 mA is being received by the CV at the connection terminals Adjust the controller or positioner or replace with a new controller or positioner Check the secondary pressure of the steam pressure control valve if the electrical wiring and ...

Page 18: ...o the positioner Repair any air leakages between the temperature control valve actuator and positioner The PID set values are incorrect Check the PID set values Correct the PID set values The temperature sensor is malfunctioning Check the temperature value reading from the sensor and compare with the temperature gauge if the electrical wiring and signal are normal then the temperature sensor is ma...

Page 19: ...lace with a new temperature sensor Component s inside the pressure control valve positioner are broken Check for abnormal sounds from the positioner Replace with a new positioner Investigate whether the valve aperture changes frequently or the ambient temperature is too high There is a problem with the input current of the temperature control valve Check that a signal of 4 20 mA is being received ...

Page 20: ...yond the control of TLV TII or TLV group companies or 6 improper storage maintenance or repair or 7 operation of the Products not in accordance with instructions issued with the Products or with accepted industry practices or 8 use for a purpose or in a manner for which the Products were not intended or 9 use of the Products in a manner inconsistent with the Specifications or 10 use of the Product...

Page 21: ...ASSEMBLY AND SHIPMENT OF THE DEFECTIVE PRODUCT INJURY TO OTHER PROPERTY DAMAGE TO BUYER S OR THE FIRST END USER S PRODUCT DAMAGE TO BUYER S OR THE FIRST END USER S PROCESSES LOSS OF USE OR OTHER COMMERCIAL LOSSES WHERE DUE TO OPERATION OF LAW CONSEQUENTIAL AND INCIDENTAL DAMAGES UNDER THIS WARRANTY UNDER ANY OTHER EXPRESS WARRANTY NOT NEGATED HEREBY OR UNDER ANY IMPLIED WARRANTY NOT NEGATED HEREBY...

Page 22: ...d Nunawading Victoria 3131 Australia Tel Fax 61 0 3 9873 5610 61 0 3 9873 5010 In East Asia 36 Kaki Bukit Place 02 01 02 Singapore 416214 Tel Fax 65 6747 4600 65 6742 0345 Room 5406 No 103 Cao Bao Road Shanghai China 200233 Tel Fax 86 0 21 6482 8622 86 0 21 6482 8623 No 16 Jalan MJ14 Taman Industri Meranti Jaya 47120 Puchong Selangor Malaysia Tel Fax 60 3 8065 2928 60 3 8065 2923 252 94 K L 17th F...

Reviews: