Alfa Laval Unique RV-P Instruction Manual
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Alfa Laval Unique RV-P Instruction Manual

Regulating valves
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Alfa Laval Unique RV-P
Regulating valves
2405-0001
Instruction Manual
Lit. Code
200008010-1-EN-GB
BRITISH ENGLISH

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Summary of Contents for Alfa Laval Unique RV-P

  • Page 1 Alfa Laval Unique RV-P Regulating valves 2405-0001 Instruction Manual Lit. Code 200008010-1-EN-GB BRITISH ENGLISH...
  • Page 2 © Alfa Laval AB 2024-04 This document and its contents are subject to copyrights and other intellectual property rights owned by Alfa Laval AB (publ) or any of its affiliates (jointly “Alfa Laval”). No part of this document may be copied, re-produced or transmitted in any form or by any means, or for any purpose, without Alfa Laval’s prior express written permission. Information and services provided in this document are made as a benefit and service to the user, and no representations or warranties are made about the accuracy or suitability of this information and these services for any purpose.

  • Page 3: Table Of Contents

    6 Maintenance ......................31 General maintenance....................31 Dismantling the valve....................34 Plug seal replacement.....................36 Valve assembly......................36 7 Technical Data ......................37 Technical Data......................37 Physical Data......................37 Valve body combinations..................38 Accuracy........................38 Weight........................38 8 Spare Parts .........................39 Ordering Spare Parts....................39 Alfa Laval Service....................39...
  • Page 4 9 Parts List and Exploded View ................ 41 Unique RV-P, Standard Model.................41 Unique RV-P, Aseptic Model..................43...

  • Page 5: Declaration Of Conformity

    1 Declaration of Conformity 1.1 EU Declaration of Conformity The designated company Alfa Laval Kolding A/S, Albuen 31, DK-6000 Kolding, Denmark, +45 79 32 22 00 Company name, address and phone number Hereby declare that Valve Designation Unique RV-P Type is in conformity with the following directives with amendments: •...

  • Page 6: Declaration Of Conformity

    1 Declaration of Conformity 1.2 UK Declaration of Conformity The designated company Alfa Laval Kolding A/S, Albuen 31, DK-6000 Kolding, Denmark, +45 79 32 22 00 Company name, address and phone number Hereby declare that Valve Designation Unique RV-P Type is in conformity with the following directives with amendments: •...

  • Page 7: Safety

    Instruction Manual without prior notice or any obligation. The English version of the Instruction Manual is the original manual. Alfa Laval cannot be held responsible for incorrect translations. In case of doubt, the English version applies.

  • Page 8: Safety Signs

    2 Safety 2.1 Safety Signs Mandatory Action Signs General mandatory action sign. Refer to instruction manual. Use eye protection - safety glasses. Use protective hand wear - safety gloves. Wear protective equipment - safety helmet. Use ear protection in noisy environments - noise protector. Wear protective equipment - safety shoes.
  • Page 9 Safety 2 Danger of injury (lasermarked on the actuator). Do not attempt to disassemble the actuator due to spring under load danger! (The lock wire opening is blocked). DO NOT DISASSEMBLE Danger of injury (lasermarked on the actuator). Do not attempt to cut open actuator due to spring under load danger! (The lock wire opening is blocked).

  • Page 10: Safety Precautions

    Always ensure that compressed air is released. Always use predesigned lifting points if defined. Ensure that the lifting equipment is suitable for the supplied Alfa Laval product. Always ensure that the unit is securely fixed during transporta- tion. Always ensure the lifting point to be in line with center of gravity.
  • Page 11 Safety 2 Installation If the local safety regulations prescribe that the installation has to be inspected and approved by responsible authorities before the valve is put into service, consult with such authorities before in- stalling the equipment and have the projected installation ap- proved by them.
  • Page 12 2 Safety Maintenance In order to optimise the operation of the supplied Alfa Laval prod- uct and to minimize the down time due repair activities, the main- tenance should consist of: • Inspection and maintenance of the supplied Alfa Laval prod- uct: strictly follow the technical documentation •...

  • Page 13: Health Hazard

    Safety 2 Hazards Burn Hazard • Lubrication oil, machine parts and various machine surfaces can be hot and cause burns. Wear protective gloves Corrosive Hazard • Always handle cleaning liquids, lye and acid with great care and in accordance with separate instructions for those fluids •...

  • Page 14: Safety Check

    Safety check A visual inspection of any protective device (shield, guard, cover or other) on the supplied Alfa Laval product shall be carried out at least every 12 months. If the protective device is lost or damaged, especially when this leads to deterioration of safety performance, it shall be replaced.

  • Page 15: Warning Signs In Text

    Indicates a potentially hazardous situation which, if not avoided, could result in death or serious injury. CAUTION Indicates a potentially hazardous situation which, if not avoided, may result in minor or moderate damage to the supplied Alfa Laval product. NOTE Indicates important information to simplify or clarify procedures. 200008010-1-EN-GB...

  • Page 16: Requirements Of Personnel

    Trainees can perform tasks under the supervision of an experienced employee. People in general The public shall not have access to the supplied Alfa Laval product. In some cases, specially skilled personnel may need to be hired (i.e. electricians, welders). In some cases the personnel has to be certified according to local regulations with experience of similar types of work.

  • Page 17: Recycling Information

    REFER TO SERVICE BULLETIN DO NOT DISASSEMBLE Maintenance During maintenance, oil (if used) and wear parts in the supplied Alfa Laval product should be replaced. • Oil and all non-metal wear parts must be disposed of in accordance with local regulations •...
  • Page 18 2 Safety 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 directly. 200008010-1-EN-GB...

  • Page 19: Introduction

    3 Introduction The Alfa Laval Unique RV-P Regulating Valve is an automatic hygienic regulating valve with an electro-pneumatic actuator for use in applications that require precision control of flow as well as pressure, temperature, and tank fluid levels. 3.1 Working principles The Product is remote-controlled by an electrical signal and compressed air.
  • Page 20 This page is intentionally left blank.

  • Page 21: Installation

    NOTE This instruction manual is part of the delivery. Study the instructions carefully. The valve is assembled before delivery. CAUTION Alfa Laval cannot be held responsible for incorrect unpacking. Check the delivery for: 1. Complete valve 2. Delivery note 3. Instruction manual Remove possible packing materials from the valve/valve parts.
  • Page 22 4 Installation Inspect the valve for visible transport damage. 2405-0003 Avoid damaging the air connection, the electrical connection and the valve ports. 2405-0004 200008010-1-EN-GB...

  • Page 23: General Installation

    The valve has welding ends as standard but can also be supplied with fittings. Always read the technical data thoroughly. See Technical Data on page 37. CAUTION Alfa Laval cannot be held responsible for incorrect installation. WARNING Always release compressed air after use. DANGER Moving parts! Never touch moving parts if the actuator is supplied with compressed air.

  • Page 24: Welding

    4 Installation Avoid stressing the valve. Pay special attention to: • Vibrations • Thermal expansion of the pipelines 2405-0007 • Excessive welding • Overloading of the pipelines 4.3 Welding NOTE Study the instructions carefully. Check the valve for smooth operation after welding. Always weld the valve body into the system when it is disassembled from the valve.

  • Page 25: Standard Model

    Installation 4 Standard model 1. Lubricate O-ring (21) and lip seal (25) with Alfa Laval Lubricant. 2. Fit seat (63) and O-ring (21) in the valve body (26). 3. Fit and tighten lower clamp (19). 4. Fit O-ring (21) and plug (23) in valve body (26). 5.

  • Page 26: Aseptic Model

    4 Installation Aseptic model 1. Lubricate O-ring (21) with Alfa Laval Lubricant. 2. Fit seat (63) and O-ring (21) in the valve body (26). 3. Fit and tighten lower clamp (19). 4. Fit plug (23) in valve body (26). 5. Fit bushing (24) in the bonnet (112).

  • Page 27: Operation

    NOTE Study the instructions carefully and pay special attention to the warnings! Ensure that the valve operates smoothly. CAUTION Alfa Laval cannot be held responsible for incorrect operation. WARNING Always read the technical data thoroughly. See Technical Data on page 37.
  • Page 28 5 Operation Lubrication of valves 1. Ensure smooth movement between lip seal (25) and plug stem (23). 2. Lubricate with Alfa Laval Lubricant if necessary (see General maintenance on page 31). The items refer to the Parts List and Exploded View page 41.

  • Page 29: Troubleshooting

    Operation 5 5.2 Troubleshooting NOTE Pay attention to possible faults. Study the maintenance instructions carefully before replacing worn parts (see General maintenance on page 31. Problem Cause/result Repair External product leakage Worn or damaged lip seal and/or O- • Replace the seals ring •...

  • Page 30: Recommended Cleaning

    5 Operation 5.3 Recommended Cleaning NOTE The supplied product is designed for cleaning in place (CIP). NaOH = Caustic soda. = Nitric acid. The cleaning agents must be stored/disposed of in accordance with current regulations/directives. CAUTION Never touch the supplied product or the pipelines when sterilizing. Always handle lye and acid with great care.

  • Page 31: Maintenance

    37. All scrap must be stored/discharged in accordance with current regulations/ directives. Always keep spare rubber seals and lip seals in stock. Always use Alfa Laval genuine spare parts. Check the valve for smooth operation after service. WARNING Always release compressed air after use.
  • Page 32 • Regular inspection for leakage and smooth opera- tion • Keep a record of the valve • Use the statistics for inspection planning Replace after leakage Lubrication Before fitting Alfa Laval Silicon based Food-grade Lubricant USDA H1 approved grease 200008010-1-EN-GB...
  • Page 33 Maintenance 6 Pre-use check 1. Supply compressed air to the actuator. 2. Activate the positioner program P15 to initialise the positioner. Pay special attention to the warnings! 2405-0017 200008010-1-EN-GB...

  • Page 34: Dismantling The Valve

    6 Maintenance 6.2 Dismantling the valve NOTE Study the instructions carefully. Handle scrap correctly. NC = Normally closed. NO = Normally open. Standard model 1. Loosen and remove upper clamp (19). 2. Unscrew the clamp fitting (111). 3. Unscrew the valve plug adjuster (114) and nut (115).
  • Page 35 Maintenance 6 Aseptic model 1. Loosen and remove upper clamp (19). 2. Unscrew the clamp fitting (111). 3. Unscrew the valve plug adjuster (114) and nut (115). 4. Lift away the actuator (110) and bonnet (112). 5. Remove valve plug (23). 6.

  • Page 36: Plug Seal Replacement

    Lubricate O-ring (21) and lip seal (25) with Alfa Laval Lubricant. Remember to tighten spindle and plug to a torque of 30 Nm (using two 17 mm spanners). If there are vibrations in the pipeline, Alfa Laval recommends the use of Loctite no. 243. 200008010-1-EN-GB...

  • Page 37: Technical Data

    7 Technical Data NOTE Technical data must be observed during installation, operation and maintenance. All personnel should be informed about the technical data. 7.1 Technical Data Valves Max. product pressure: 1000 kPa (10 bar) (145 PSI) Min. product pressure: Full vacuum Temperature range (EPDM): -10 °C to 140 °C (14 °F to 284 °F) Flow range Kv (Δ...

  • Page 38: Valve Body Combinations

    7 Technical Data 7.3 Valve body combinations 7.4 Accuracy Deviation: ≤1.5% Hysteresis: ≤0.5% Sensitivity: <0.1% ≤0.1% between 1.4 and 6 bar (≤0.1% between 20.3 Influence of air supply pressure: and 87 PSI) With 0.6 bar (8.7 PSI) signal pressure and supply Air consumption at steady state condition: pressures up to 6 bar (87 PSI) ≤100 In/h Ambient temperature:...

  • Page 39: Spare Parts

    Alfa Laval representative for availability. You can find our spare part catalogue at https://hygienicfluidhandling-catalogue.alfalaval.com. Always use Alfa Laval genuine spare parts. The warranty of Alfa Laval products is dependent on use of Alfa Laval genuine spare parts. 8.1 Ordering Spare Parts When ordering spare parts, please always state: 1.
  • Page 40 This page is intentionally left blank.

  • Page 41: Parts List And Exploded View

    9 Parts List and Exploded View 9.1 Unique RV-P, Standard Model 2405-0019_1 200008010-1-EN-GB...
  • Page 42 9 Parts List and Exploded View 2405-0000 Pos. Qty. Denomination Pos. Qty. Denomination Clamp Actuator, complete O-ring Clamp fitting Plug Bonnet, complete Bushing Striking nut Lip seal Valve plug adjuster Valve body Seat 200008010-1-EN-GB...
  • Page 43 Parts List and Exploded View 9 9.2 Unique RV-P, Aseptic Model 2405-0023_1 200008010-1-EN-GB...
  • Page 44 9 Parts List and Exploded View 23.1 Pos. Qty. Denomination Pos. Qty. Denomination Clamp Seat O-ring Actuator, complete Plug, complete Clamp fitting 23.1 Plug Bonnet, complete Valve body Striking nut Diapragm Valve plug adjuster Disc Upper Spindel 200008010-1-EN-GB...

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