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Summary of Contents for Alfa Laval Unique Single Seat Valve
- Page 1 Instruction Manual Unique Single Seat Valve - ATEX Standard TD 474-001 ESE00674-EN3 2011-05 Original manual...
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Page 3: Table Of Contents
6. Technical data ..................6.1. Technical data ..................7. Parts list and Service Kits ................7.1. Drawing .................... 7.2. Unique Single Seat Valve ................. 7.3. Drawing .................... 7.4. Unique Single Seat Valve - Reverse Acting ............ 7.5. Maintainable actuator ................ -
Page 4: Ec Declaration Of Conformity
Company Name Albuen 31, DK-6000 Kolding, Denmark Address +45 79 32 22 00 Phone No. hereby declare that Unique Single Seat Valve Standard and Reverse Acting Denomination Type Year is in conformity with the following directives: - Machinery Directive 2006/42/EC - Pressure Equipment Directive 97/23/EC category 1 and subjected to assessment procedure Module A. -
Page 5: Safety
2 Safety Unsafe practices and other important information are emphasized in this manual. Warnings are emphasized by means of special signs. 2.1 Important information Always read the manual before using the valve! WARNING Indicates that special procedures must be followed to avoid serious personal injury. CAUTION Indicates that special procedures must be followed to avoid damage to the valve. -
Page 6: Safety Precautions
Always handle lye and acid with great care. Maintenance ATEX Version only by use of genuine Alfa Laval parts. Never replace ATEX actuator with other type of Alfa Laval actuators. Spareparts: see also Parts Lists and Service Kits. Chapter 7. Always read the technical data thoroughly. - Page 7 2 Safety All warnings in the manual are summarized on this page. Pay special attention to the instructions below so that severe personal injury and/or damage to the valve are avoided. Transportation: Always secure that compressed air is released Always secure that all connections is disconnected before attemt to remove the valve from the installation Always drain liquid out of valves before transportation Always used predesigned lifting points if defined Always secure sufficient fixing of the valve during transportation - if special designed packaging material is available it must...
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Page 8: Installation
Check the delivery for: CAUTION 1. Complete valve, shut off valve (RA) or change-over valve (RA) (see steps 2a, 2b, 2c and 2d). Alfa Laval cannot be held responsible for incorrect unpacking. 2. Delivery note. Step 2 Shut-off valve: 1. Complete actuator. - Page 9 3 Installation The instruction manual is part of the delivery. Study the instructions carefully. The items refer to parts list and service kits section. The valve is supplied as separate parts as standard (for welding). The valve is assembled before delivery, if it is supplied with fittings. Change-over valve - Reverse Acting: 1.
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Page 10: General Installation
Always read the technical data thoroughly. See chapter Always release compressed air after use. CAUTION Alfa Laval cannot be held responsible for incorrect installation. Step 2 Never touch the moving parts if the actuator is supplied with compressed air. Moving parts! -
Page 11: Welding
3 Installation Study the instructions carefully. The valve is supplied as separate parts to facilitate the welding. The items refer to the parts list and service kits section. Check the valve for smooth operation after welding. 3.3 Welding Step 1 Always install valves with more than one valve body so that the seals between the valve bodies can be replaced. -
Page 12: Recycling Information
- At end of use, the equipment shall be recycled according to relevant, local regulations. Beside the equipment itself, any hazardous residues from the process liquid must be considered and dealt with in a proper manner. When in doubt, or in the absence of local regulations, please contact the local Alfa Laval sales company... -
Page 13: Operation
Always read the technical data thoroughly. See chapter Always release compressed air after use. CAUTION Alfa Laval cannot be held responsible for incorrect operation. Step 2 Never touch the valve or the pipelines when processing hot liquids or when sterilizing. - Page 14 4 Operation Study the instructions carefully and pay special attention to the warnings! Ensure that the valve operates smoothly. The items refer to the parts list and service kits section. Step 4 Shut-off valve Change-over valve Lubrication of valves: 1. Ensure smooth movement between lip seal (25) and plug stem (23, 27).
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Page 15: Troubleshooting
4 Operation Pay attention to possible faults. Study the instructions carefully. The items refer to the parts list and service kits section. 4.2 Troubleshooting NOTE! Study the maintenance instructions carefully before replacing worn parts. - See page 18! Repair Problem Cause/result External product leakage Worn or product affected lip... -
Page 16: Recommended Cleaning
4 Operation The valve is designed for cleaning in place (CIP). CIP = Cleaning In Place. Study the instructions carefully and pay special attention to the warnings! NaOH = Caustic Soda. = Nitric acid. 4.3 Recommended cleaning Step 1 Caustic danger! Always handle lye and acid with great care. - Page 17 4 Operation The valve is designed for cleaning in place (CIP). CIP = Cleaning In Place. Study the instructions carefully and pay special attention to the warnings! NaOH = Caustic Soda. = Nitric acid. Step 5 Always rinse! 1. Avoid excessive concentration of the cleaning agent. 2.
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Page 18: Maintenance
5 Maintenance Maintain the valve regularly. Study the instructions carefully and pay special attention to the warnings! Always keep spare rubber seals and lip seals in stock. Check the valve for smooth operation after service. 5.1 General maintenance Step 1 NOTE All scrap must be stored/discharged in accordance with current rules/directives. - Page 19 5 Maintenance Maintain the valve regularly. Study the instructions carefully and pay special attention to the warnings! Always keep spare rubber seals and lip seals in stock. Check the valve for smooth operation after service. Below are some guidelines for maintenance and lubrication intervals. Please note that the guidelines are for normal working conditions in one shift.
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Page 20: Dismantling Of Valve
5 Maintenance Study the instructions carefully. The items refer to the parts list and service kits section. Handle scrap correctly. NC = Normally closed. NO = Normally open. A/A = Air/air activated. 5.2 Dismantling of valve Step 1 Shut-off valve: 1. -
Page 21: Plug Seal Replacement
Lubricate O-ring (21) and lip seal (25) with Klüber Paraliq GTE 703. Remember to tighten spindle and plug with a torque M = 30Nm (Use two 17mm spanners) If there are vibrations in the pipeline Alfa Laval recommend to use loctite no. 243. -
Page 22: Actuator Bushing Replacement
5 Maintenance Study the instructions carefully. The items refer to the parts list and service kits section. Handle scrap correctly. A/A = Air/air activated. Service tool: See Spare Parts. 5.5 Actuator bushing replacement 1. Unscrew and remove top and bottom bushings with O-rings. 2. -
Page 23: Additional Equipment
5 Maintenance Study the instructions carefully. The items refer to the parts list and service kits section. Handle scrap correctly. A/A = Air/air activated. Service tool: See Spare Parts. 5.8 Additional equipment 1. Rotate cylinder. 2. Remove lock wire and pull away cylinder. 3. -
Page 24: Technical Data
6 Technical data It is important to observe the technical data during installation, operation and maintenance. Inform the personnel about the technical data. 6.1 Technical data Data - valve/actuator Max. product pressure 1000 kPa (10 bar). Min. product pressure Full vacuum (depending on product specifications). Temperature range C to + 140 C (standard EPDM seal). -
Page 26: Parts List And Service Kits
7 Parts list and Service Kits The drawing shows Unique Single Seat Valve. The items refer to the parts lists in the following sections 7.1 Drawing Shut-off valve Change-over valve... -
Page 27: Unique Single Seat Valve
7 Parts list and Service Kits The drawing shows Unique Single Seat Valve. The items refer to the parts lists in the following sections 7.2 Unique Single Seat Valve TD 461-075_1... - Page 28 7 Parts list and Service Kits The drawing shows Unique Single Seat Valve. The items refer to the parts lists in the following sections Parts list Pos. Denomination Actuator O-ring set (10 pcs.) EPDM O-ring set (10 pcs.) HNBR O-ring set (10 pcs.) FPM Lip seal set (10 pcs.) EPDM...
- Page 29 7 Parts list and Service Kits The drawing shows Unique Single Seat Valve. The items refer to the parts lists in the following sections 25 mm 38-51 mm 63.5-101.6 mm /DN25 /DN40-50 /DN65-100 TD 461-969...
- Page 30 7 Parts list and Service Kits The drawing shows Unique Single Seat Valve. The items refer to the parts lists in the following sections Parts list Pos. Denomination Actuator O-ring set (10 pcs.) EPDM O-ring set (10 pcs.) HNBR O-ring set (10 pcs.) FPM O-ring set (10 pcs.) EPDM...
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Page 32: Drawing
7 Parts list and Service Kits The drawing shows Unique Single Seat Valve. The items refer to the parts lists in the following sections 7.3 Drawing Shut-off valve - Reverse Acting Change-over valve - Reverse Acting... -
Page 33: Unique Single Seat Valve - Reverse Acting
7 Parts list and Service Kits The drawing shows Unique Single Seat Valve. The items refer to the parts lists in the following sections 7.4 Unique Single Seat Valve - Reverse Acting... - Page 34 7 Parts list and Service Kits The drawing shows Unique Single Seat Valve. The items refer to the parts lists in the following sections Parts list Pos. Denomination Actuator O-ring set (10 pcs.) EPDM O-ring set (10 pcs.) HNBR O-ring set (10 pcs.) FPM Lip seal set (10 pcs.) EPDM...
- Page 35 7 Parts list and Service Kits The drawing shows Unique Single Seat Valve. The items refer to the parts lists in the following sections...
- Page 36 7 Parts list and Service Kits The drawing shows Unique Single Seat Valve. The items refer to the parts lists in the following sections Parts list Pos. Denomination Actuator O-ring set (10 pcs.) EPDM O-ring set (10 pcs.) HNBR O-ring set (10 pcs.) FPM Lip seal set (10 pcs.) EPDM...
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Page 37: Maintainable Actuator
7 Parts list and Service Kits The drawing shows Unique Single Seat Valve. The items refer to the parts lists in the following sections 7.5 Maintainable actuator... - Page 38 7 Parts list and Service Kits The drawing shows Unique Single Seat Valve. The items refer to the parts lists in the following sections Parts list Pos. Denomination Actuator Cylinder Piston ♦ O-ring Adapter ♦ Bushing ♦ O-ring ♦ O-ring...
- Page 40 © Alfa Laval Corporate AB This document and its contents is owned by Alfa Laval Corporate AB and protected by laws governing intellectual property and thereto related rights. It is the responsibility of the user of this document to comply with all applicable intellectual property laws. Without limiting any rights related to this document, no part of this document may be copied, reproduced or transmitted in any form or by any means (electronic, mechanical, photocopying, recording, or otherwise), or for any purpose, without the expressed permission of Alfa Laval Corporate AB.
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