Alfa Laval Unique 7000 Series Instruction Manual
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Alfa Laval Unique 7000 Series Instruction Manual

Alfa Laval Unique 7000 Series Instruction Manual

Manually operated valve
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Instruction Manual
Unique 7000 Series - Manually Operated Valve
TD 422-031
ESE02025ENUS 2011-05

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Summary of Contents for Alfa Laval Unique 7000 Series

  • Page 1 Instruction Manual Unique 7000 Series - Manually Operated Valve TD 422-031 ESE02025ENUS 2011-05...
  • Page 3 Alfa Laval Company Name Albuen 31, DK-6000 Kolding, Denmark Address +45 79 32 22 00 Phone No. hereby declare that Unique 7000 Series Valve Manually Operated Denomination Type Year is in conformity with the following directive: - Machinery Directive 98/37/EEC - Pressure Equipment Directive 97/23/EC category 1 and subjected to assessment procedure Module A.

  • Page 5: Table Of Contents

    Table of contents The information contained herein is correct at the time of issue but may be subject to change without prior notice. 1. Safety ..................... 6 1.1 Important information ................ 6 1.2 Warning signs ................... 6 1.3 Safety precautions ................7 2. Installation ..................... 8 2.1. Unpacking/Delivery ................8 2.2. General installation .

  • Page 6: Safety

    1.1 Important information 1. Safety 1.2 Warning signs Unsafe practices and other important information are emphasized in this manual. Warnings are emphasized by means of special signs. Always read the manual before using the valve! WARNING! Indicates that special procedures must be followed to avoid severe personal injury. CAUTION! Indicates that special procedures must be followed to avoid damage to the valve. NOTE! Indicates important information to simplify or clarify practices. General warning: Caustic agents:...

  • Page 7: Safety Precautions

    1. Safety 1.3 Safety precautions 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 5). - Never touch the valve or the pipelines when processing hot liquids or when sterilizing. - Never dismantle the valve with valve and pipelines under pressure. - Never dismantle the valve when it is hot.

  • Page 8: Installation

    2.1 Unpacking/Delivery 2. 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. Step 1 CAUTION! Alfa Laval cannot be held responsible for incorrect unpacking.
  • Page 9 2. Installation 2.1 Unpacking/Delivery 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. The valve is supplied as separate parts as standard (for welding).

  • Page 10: General Installation

    2. Installation 2.2 General installation Study the instructions carefully and pay special attention to the warnings! The valve has welding ends as standard but can also be supplied with fittings. Step1 - Always read the technical data thoroughly (see chapter 5). CAUTION! Alfa Laval cannot be held responsible for incorrect installation. Step 2 Never touch the moving parts during operation Moving parts! TD 461-589 Step 3 Avoid water It is recommended to install the valve so that the flow is...

  • Page 11: Welding

    2.3 Welding 2. 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. Step 1 Always install valves with more than one valve body so that the seals between the valve bodies can be replaced.

  • Page 12: Operation

    3. Operation 3.1 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 1 - Always read the technical data thoroughly (see chapter 5). 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 3.1 Operation 3. Operation Step 5 Lubrication of crank mechanism 1. Ensure smooth movement of the crank mechanism (the crank is lubricated before delivery). 2. Lubricate with Molykote Longterm 2 plus if necessary. TD 461-598...

  • Page 14: Trouble Shooting

    3. Operation 3.2 Trouble shooting Pay attention to possible faults. Study the instructions carefully. The items refer to the parts list and service kits section NOTE! Study the maintenance instructions carefully before replacing worn parts. - See section 4.1! Problem Cause/result Repair External product leakage Worn or product affected lip - Replace the seals seal and/or O-ring - Replace with seals of a different rubber grade Internal product leakage - Worn or product affected - Replace the seal plug seal - Replace with a seal of a different rubber grade - Product deposits on...

  • Page 15: Recommended Cleaning

    3.3 Recommended cleaning 3. 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 1 Caustic danger! Always handle lye and acid with great care.
  • Page 16 3. Operation 3.3 Recommended cleaning Step 5 Always rinse! 1. Avoid excessive concentration of the cleaning agent 2. Adjust the cleaning flow to the process 3. Always rinse well with clean water after the cleaning. Clean water Cleaning agents Step 6 NOTE! The cleaning agents must be stored/disposed of in accordance with current rules/directives.

  • Page 17: Maintenance

    4.1 General maintenance 4. 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. Step 1 - Always read the technical data thoroughly (see chapter 5). CAUTION! All scrap must be stored/disposed of in accordance with current rules/directives. Step 2 Atmospheric pressure - Never service the valve when it is hot.
  • Page 18 4. Maintenance 4.1 General maintenance Maintain the valve regularly. Study the instructions carefully. Always keep spare rubber seals and lip seals 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.

  • Page 19: Dismantling Of Valve

    4.2 Dismantling of valve 4. Maintenance 4.3 Plug seal replacement 4.4 Assembly of valve Study the instructions carefully. The items refer to the parts list and service kits section. Handle scrap correctly. Step 1a Shut-off valve: 1. Remove cap, loosen screw and remove the washer by sliding it sideways. 2. Loosen and remove clamp. 3. Lift away the crank.
  • Page 20 Step 1d Change-over valve - Reverse Acting: 1. Loosen and remove lower clamp. 2. Remove lower bonnet and O-ring. 3. Loosen and remove clamp between lower and middle valve body. 4. Lift away the actuator and upper + middle valve body. 5. Supply compressed air to the actuator (only NC). 6. Unscrew and remove lower valve plug. 7. Release compressed air (only NC). 8. Remove lower seat and O-rings. 9. Supply compressed air to the actuator (only NO). 10. Loosen and remove clamp between middle and upper valve body. 11. Remove middle valve body and upper seal with O-rings. 12. Release compressed air (only NO). 13. Loosen and remove upper clamp. 14. Remove upper valve body. 15. Unscrew nad remove upper valve plug. TD 462-003_2 16. Remove O-ring, lip seal and bishing in bonnet. (use bushing tool and rubber mallet. See drawing, step 1a). Note! Be careful not to damage the bushing. Pay special attention to the warnings! Note! For plug seal replacement please see section 4.3.

  • Page 21: Technical Data

    5. Technical data 5.1 Technical data It is important to observe the technical data during installa tion, operation and maintenance. Inform the personnel about the technical data. Data - valve Max. product pressure ............145 psi (1000 kPa) (10 bar) Min. product pressure ............Full vacuum (depending on product specifications) Temperature range ............14 F to + 284 F (standard EPDM seal) Materials - valve/crank mechanism Product wetted steel parts .

  • Page 22: Parts List And Service Kits

    6.1 Unique 7000 Series Valve - Shut-off 6. Parts List and Service Kits The parts list includes all items. Parts List Service Kits Pos. Qty. Denomination Denomination Item number Crank Product wetted parts (Shut-off) Handle (included in pos. 1) Washer 1” Stem holder Service kit, EPDM ..........9611-92-6501 Guide Service kit, HNBR ......... 9611-92-6507 Set screw Service kit, FPM ..........9611-92-6513...
  • Page 23 6. Parts List and Service Kits 6.1 Unique 7000 Series Valve - Shut-off TD 422-032...
  • Page 24 6.1 Unique 7000 Series Valve - Change-over 6. Parts list and Service Kits Parts List Service Kits Pos. Qty. Denomination Denomination Item number Crank Product wetted parts (Change-over) Handle (included in pos. 1 ) Washer 1” Stem holder Service kit, EPDM ..........9611-92-6579 Guide Service kit, HNBR ..........9611-92-6585 Set screw Service kit, FPM ..........9611-92-6591 Clamp Bonnet 1½” ∆ O-ring, EPDM (standard) Service kit, EPDM .
  • Page 25 6. Parts list and Service Kits 6.1 Unique 7000 Series Valve - Change-over TD 422-034...
  • Page 26 How to contact Alfa Laval Contact details for all countries are continually updated on our website. Please visit www.alfalaval.com to access the information direct.

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