Alfa Laval Unique 7710 Instruction Manual

Alfa Laval Unique 7710 Instruction Manual

Regulating valve

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Instruction Manual
Unique 7710 Regulating Valve
22050000
ESE00480-ENUS2
2012-02
Original manual

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Summary of Contents for Alfa Laval Unique 7710

  • Page 1 Instruction Manual Unique 7710 Regulating Valve 22050000 ESE00480-ENUS2 2012-02 Original manual...
  • Page 3: Table Of Contents

    5.8. Assembly of optimal maintainable actuator ............ 5.9. Additional equipment ................6. Technical data ..................6.1. Technical data ..................7. Unique 7710 Regulating Valve ..............7.1. Unique 7710 Regulating Valve ..............7.2. Unique 7710 Regulating Valve ..............7.3. Maintanable actuator ................
  • Page 4: Ec Declaration Of Conformity

    Albuen 31, DK-6000 Kolding, Denmark Address +45 79 32 22 00 Phone No. hereby declare that Regulating Valve Unique 7710 Series Valve Denomination Type Year is in conformity with the following directives: - Machinery Directive 98/37/EEC - 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

    2.3 Safety precautions Actuators marked with year 2012 (New actuator design): Alfa Laval recommend only to use 43.5 PSI (3 bar) support air on the spring side in all the Unique 7000 actuators, to ensure 145 PSI (10 bar) product pressure without leakage.
  • 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. Installation: Always read the technical data thoroughly (See chapter 6 Technical data) Always release compressed air after use Never touch the moving parts if the actuator is supplied with compressed air Never touch the valve or the pipelines when processing hot liquids or when sterilizing...
  • Page 8: Installation

    Check the delivery for: CAUTION 1. Complete valve, shut off valve (RA) or change-over valve (RA) (see steps 2a and 2b). Alfa Laval cannot be held responsible for incorrect unpacking. 2. Delivery note. 3. Instruction manual. Step 2 Shut-off valve: 1.
  • Page 9: General Installation

    Step 1 Always read the technical data thoroughly. 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 10: 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 Assemble the valve in accordance with the steps in section 4.4 Pay special attention to the warnings! i Step 2...
  • Page 11: 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 12: Operation

    Always read the technical data thoroughly. See chapter 6 Technical data 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 13 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 5 Lubrication of actuator 1. Ensure smooth movement of the actuator (the actuator is lubricated before delivery).
  • Page 14: 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 section 5.1! Problem Cause/result Repair External product leakage Worn or product affected diaphragm stem...
  • Page 15: 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 16 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.
  • Page 17: 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. 5.1 General maintenance Step 1 NOTE All scrap must be stored/discharged in accordance with current rules/directives.
  • Page 18 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. Below are some guidelines for maintenance and lubrication intervals. Please note that the guidelines are for normal working conditions in one shift.
  • Page 19: 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 Dismantling of valve: 1.
  • Page 20: Positioner End

    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 Positioner end 1. Remove the air hose connections of the positioner (47) and the actuator. 2.
  • Page 21: Assembly Of Optimal Maintainable Actuator

    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 Assembly of optimal maintainable actuator Reverse order of 5.6. Dismantling of actuator. Lubricate O-ring (3,7,11) with Molykote Longterm 2 plus before fitting.
  • Page 22: 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: 145 PSI (1000 kPa) (10 bar) Max. product pressure: Full vacuum 8 (depending on product specifications) Max.
  • Page 23: Unique 7710 Regulating Valve

    7 Unique 7710 Regulating Valve It is important to observe the technical data during installation, operation and maintenance. Inform the personnel about the technical data. 7.1 Unique 7710 Regulating Valve For parts lists please see section 7.1. The drawings include items.
  • Page 24: Unique 7710 Regulating Valve

    7 Unique 7710 Regulating Valve It is important to observe the technical data during installation, operation and maintenance. Inform the personnel about the technical data. 7.2 Unique 7710 Regulating Valve (NC) (NO) TD 461-673 (NC) (NO)
  • Page 25 7 Unique 7710 Regulating Valve It is important to observe the technical data during installation, operation and maintenance. Inform the personnel about the technical data. Parts list Pos. Denomination Actuator  Bushing  O-ring O-ring  Plug Air fitting Clamp Bonnet ♦...
  • Page 26: Maintanable Actuator

    7 Unique 7710 Regulating Valve It is important to observe the technical data during installation, operation and maintenance. Inform the personnel about the technical data. 7.3 Maintanable actuator TD 461-782...
  • Page 27 7 Unique 7710 Regulating Valve It is important to observe the technical data during installation, operation and maintenance. Inform the personnel about the technical data. Parts list Pos. Denomination Actuator Cylinder Piston  O-ring Adapter Bushing   O-ring O-ring ...
  • Page 28 © 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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