Alfa Laval LKB Instruction Manual
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Alfa Laval LKB Instruction Manual

Automatic or manual butterfly valve
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Instruction Manual
LKB, LKB-2, LKB-F, LKB-LP Automatic or Manual Butterfly Valve
ESE02446-EN21
Original manual
2022-10

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Summary of Contents for Alfa Laval LKB

  • Page 1 Instruction Manual LKB, LKB-2, LKB-F, LKB-LP Automatic or Manual Butterfly Valve ESE02446-EN21 2022-10 Original manual...

  • Page 3: Table Of Contents

    6. Technical data ................6.1. Technical data ..................7. Parts list and service kits ..............7.1. LKB, LKB-2, LKB-F Butterfly valves, drawings ..........7.2. LKB-LP Butterfly valve, drawing ..............7.3. LKLA and LKLA-T actuators Ø85 mm, drawings ..........7.4. LKLA and LKLA-T actuators Ø133 mm, drawings ..........
  • Page 4 Table of contents The information herein is correct at the time of issue but may be subject to change without prior notice 7.20. LKB lockable multiposition handle for valve ............ 7.21. LKB handle 1.1 for butterfly valve ............... 7.22. Handle 1.1 for indication unit ..............

  • Page 5: Declarations Of Conformity

    Declaration of of of Conformity Conformity Declaration 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 actuator Designation LKLA NC, LKLA NO, LKLA A/A, LKLA-T NO, LKLA-T NC, LKLA-T A/A...
  • Page 6 Declaration of of of Conformity Conformity Declaration 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 actuator Designation LKLA NC, LKLA NO, LKLA A/A, LKLA-T NO, LKLA-T NC, LKLA-T A/A...

  • Page 7: Safety

    People in in in general general general The public shall not have access to the supplied product. How to to to contact contact Alfa Alfa Laval Laval contact Alfa Laval Contact details for all countries are continually updated on our website.

  • Page 8: Safety Precautions

    Always fit the end cap with the “mushrooms” turned outwards and position it correctly before supplying compressed Always air to the actuator. Always Always use Alfa Laval genuine spare parts. The warranty of Alfa Laval products is dependent on the use of Alfa Always Laval genuine spare parts. T T T ransportation...

  • Page 9: Installation

    The instruction manual is part of the delivery. Read the instructions carefully. The items refer to parts list and service kits sections. The valve is supplied as separate parts as standard (for welding) The valve is assembled before delivery, if it is supplied with fittings (LKB/LKB-2) 3.1 Unpacking/delivery Step...

  • Page 10: General Installation

    3 Installation Read the instructions carefully. The valve has welding ends as standard but can also be supplied with fittings (not LKB-F). NC = Normally closed. NO = Normally open. A/A = Air/air activated. 3.2 General installation Step Step Step 1 1 1...
  • Page 11 3 Installation Read the instructions carefully. The valve has welding ends as standard but can also be supplied with fittings (not LKB-F). NC = Normally closed. NO = Normally open. A/A = Air/air activated. Air connection connection of of of actuator:...

  • Page 12: Welding

    B1 mm mm, so that the valve parts can be removed. 4. After welding, assemble the valve according to steps 1-5, chapter 5.3 Assembly of valve - LKB/LKB-2/LKB-LP LKB- - - F F F 1. Weld the flanges into the pipelines.

  • Page 13: Fitting Actuator/Bracket/Handle On The Valve (Optional Extras)

    Actuator/bracket - - - NC: 1. Ensure that the valve is closed by checking the position of the groove of the disc stem top. 2. Fit the actuator/bracket in accordance with chapter 5.3 Assembly of valve - LKB/LKB-2/LKB-LP, Step 4. Closed Closed Closed...

  • Page 14: Recycling Information

    - At end of use, the equipment must be recycled according to the 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 your local Alfa Laval sales company...

  • Page 15: Operation

    Always read the technical data thoroughly. See chapter 6 Technical data CAUTION CAUTION CAUTION Alfa Laval cannot be held responsible for incorrect operation. Step 2 2 2 Step Step Never touch the valve or the pipelines when processing hot liquids...

  • Page 16: Troubleshooting

    - External leakage - Worn seal ring Replace the seal ring and the bushes - Internal leakage by closed valve - Worn flange seal ring (LKB-F) (normal wear) - External leakage - High pressure - Change rubber grade - Internal leakage by closed valve (too...

  • Page 17: Recommended Cleaning

    4 Operation The valve is designed for Cleaning In Place (= CIP). Read the instructions carefully and pay special attention to the warnings! NaOH = Caustic Soda. = Nitric acid. 4.3 Recommended cleaning Step 1 1 1 Step Step Caustic Caustic danger! Caustic danger!

  • Page 18: Maintenance

    Maintain the valve and the regulator carefully. Read the instructions carefully and pay special attention to the warnings! Always keep spare seal rings, rubber seals, bushes and actuator bearings in stock. Always use Alfa Laval genuine spare parts. ”Mushrooms” = fastening connections on the end cap.
  • Page 19 Maintain the valve and the regulator carefully. Read the instructions carefully and pay special attention to the warnings! Always keep spare seal rings, rubber seals, bushes and actuator bearings in stock. Always use Alfa Laval genuine spare parts. ”Mushrooms” = fastening connections on the end cap.

  • Page 20: Dismantling Of Valve - Lkb/Lkb-2/Lkb-Lp

    Read the instructions carefully. The items refer to the parts list and service kits section. Handle scrap correctly. LKB: for ISO tubes. LKB-2: for DIN tubes. 5.2 Dismantling of valve - LKB/LKB-2/LKB-LP Step Step Step 1 1 1 V V V alve...

  • Page 21: Assembly Of Valve - Lkb/Lkb-2/Lkb-Lp

    5 Maintenance Read the instructions carefully. The items refer to the parts list and service kits section. LKB: for ISO tubes. LKB-2: for DIN tubes. Lubricate the seal ring before fitting it. Lubricate the disc stem before fitting the bushes.
  • Page 22 5 Maintenance Read the instructions carefully. The items refer to the parts list and service kits section. LKB: for ISO tubes. LKB-2: for DIN tubes. Lubricate the seal ring before fitting it. Lubricate the disc stem before fitting the bushes.

  • Page 23: Dismantling Of Valve - Lkb-F

    Read the instructions carefully. The items refer to the parts list and service kits section. Handle scrap correctly. LKB-F: with flange connection. 5.4 Dismantling of valve - LKB-F Step 1 1 1 Step Step 1. Loosen the two upper screws and nuts (6).

  • Page 24: Assembly Of Valve - Lkb-F

    Read the instructions carefully. The items refer to the parts list and service kits section. LKB-F: With flange connection. Lubricate the seal rings before fitting them. Lubricate the disc stem before fitting the bushes. 5.5 Assembly of valve - LKB-F Step 1 1 1 Step Step 1.

  • Page 25: Dismantling Of Actuator

    5 Maintenance Read 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. 5.6 Dismantling of actuator Step 1 1 1 Step Step 1.

  • Page 26: Assembly Of Actuator

    5 Maintenance Read the instructions carefully. NC = Normally closed. NO = Normally open. A/A = Air/air activated. Lubricate the rubber seals before fitting them. Lubricate the bearings. Clean the piston before assembly. 5.7 Assembly of actuator Step Step Step 1 1 1 Fit rotating cylinder (2) in air cylinder (1).

  • Page 27: Technical Data

    NC = Normally closed. NO = Normally open. A/A = Air/air activated. 6.1 Technical data LKB is a sanitary automatically or manually operated butterfly valve for use in stainless steel pipe systems. LKB is either remote-controlled by means of an actuator or manually operated by means of a handle.
  • Page 28 101.6 63.5 63.5 76.1 76.1 101.6 101.6 Size Size Size Weight LKB-F with welding 11.7 12.3 ends and handle Weight LKB/LKB-2 with welding ends and handle Weight LKB-F with welding 19.5 19.5 23.3 23.9 ends and LKLA/LKLA-T ø85 Weight LKB/LKB-2 16.3...

  • Page 29: Lkb, Lkb-2, Lkb-F Butterfly Valves, Drawings

    7 Parts list and service kits The drawings include all parts of the valves. For the parts list, please see chapters 7.5 LKB Butterfly valve, ISO, 7.6 LKB-F Butterfly valves, ISO, 7.7 LKB-F Butterfly valves, DIN, 7.8 LKB-2 Butterfly valves Always use Alfa Laval genuine spare parts.

  • Page 30: Lkb-Lp Butterfly Valve, Drawing

    7 Parts list and service kits The drawings include all parts of the actuators. For the parts list, please see chapter 7.9 LKB-LP Butterfly valve 7.2 LKB-LP Butterfly valve, drawing...

  • Page 31: Lkla And Lkla-T Actuators Ø85 Mm, Drawings

    7 Parts list and service kits The drawings include all parts of the actuators. For the parts list, please see chapters 7.10 LKLA ø85 mm (NO/NC) - 7.19 LKLA-T ø133 mm (A/A). 7.3 LKLA and LKLA-T actuators Ø85 mm, drawings LKLA- - - T T T (NC (NC- - - NO) LKLA- - - T T T (A/A)
  • Page 32 7 Parts list and service kits The drawings include all parts of the actuators. For the parts list, please see chapters 7.10 LKLA ø85 mm (NO/NC) - 7.19 LKLA-T ø133 mm (A/A). DN 125 125- - - 150 150 (A/A) (A/A) (A/A)

  • Page 33: Lkla And Lkla-T Actuators Ø133 Mm, Drawings

    7 Parts list and service kits The drawings include all parts of the actuators. For the parts list, please see chapters 7.10 LKLA ø85 mm (NO/NC) - 7.19 LKLA-T ø133 mm (A/A). 7.4 LKLA and LKLA-T actuators Ø133 mm, drawings LKLA- - - T T T (NC (NC- - - NO) LKLA- - - T T T (A/A)

  • Page 34: Lkb Butterfly Valve, Iso

    7 Parts list and service kits The drawing and parts list include all items of the valve. 7.5 LKB Butterfly valve, ISO...
  • Page 35 7 Parts list and service kits The drawing and parts list include all items of the valve. Parts Parts Parts list list list Pos. Denomination Valve body half Disc Bush � Bush, set (10 pcs.) Bush � Bush, set (10 pcs.) Seal ring �...

  • Page 36: Lkb-F Butterfly Valves, Iso

    7 Parts list and service kits The drawing and parts list include all items of the valve. 7.6 LKB-F Butterfly valves, ISO...
  • Page 37 7 Parts list and service kits The drawing and parts list include all items of the valve. Parts Parts Parts list list list Pos. Denomination Valve body half Disc Bush � Bush set (10 pcs.) Bush � Bush set (10 pcs.) Seal ring �...

  • Page 38: Lkb-F Butterfly Valves, Din

    7 Parts list and service kits The drawing and parts list include all items. 7.7 LKB-F Butterfly valves, DIN...
  • Page 39 7 Parts list and service kits The drawing and parts list include all items. Parts Parts Parts list list list Pos. Denomination Valve body half Disc Bush � Bush set (10 pcs.) Bush set (10 pcs) Bush set (10 pcs) Bush �...

  • Page 40: Lkb-2 Butterfly Valves

    7 Parts list and service kits The drawing and parts list include all items. 7.8 LKB-2 Butterfly valves...
  • Page 41 7 Parts list and service kits The drawing and parts list include all items. Parts Parts Parts list list list Pos. Denomination Valve body half Valve body half Disc Bush � Bush, set (10 pcs.) Bush � Bush, set (10 pcs.) Bush, set (10 pcs.) Seal ring �...

  • Page 42: Lkb-Lp Butterfly Valve

    7 Parts list and service kits The drawing and parts list include all items. 7.9 LKB-LP Butterfly valve...
  • Page 43 7 Parts list and service kits The drawing and parts list include all items. Parts Parts Parts list list list Pos. Denomination Valve body half Disc Bush � Bush, set (10 pcs.) Bush � Bush, set (10 pcs.) Seal ring �...

  • Page 44: Lkla Ø85 Mm (No/Nc)

    7 Parts list and service kits The drawing and the parts list include all items. NO = Normally open. NC = Normally closed. 7.10 LKLA ø85 mm (NO/NC)
  • Page 45 7 Parts list and service kits The drawing and the parts list include all items. NO = Normally open. NC = Normally closed. Parts Parts Parts list list list Service Service kits Service kits kits Pos. Denomination Service kit kit kit for for actuator actuator Service...

  • Page 46: Lkla Ø85 Mm (A/A)

    7 Parts list and service kits The drawing and the parts list include all items. 7.11 LKLA ø85 mm (A/A)
  • Page 47 7 Parts list and service kits The drawing and the parts list include all items. Parts Parts Parts list list list Service Service kits Service kits kits Service kits, air/air ........9611923011 Pos.

  • Page 48: Lkla Dn 125-150 Ø85 Mm (A/A)

    7 Parts list and service kits The drawing and the parts list include all items 7.12 LKLA DN 125-150 ø85 mm (A/A)
  • Page 49 7 Parts list and service kits The drawing and the parts list include all items Parts Parts Parts list list list Service Service kits Service kits kits Pos. Denomination Service kits kits for for actuator actuator Service Service kits actuator Air cylinder Service kits, air/air .

  • Page 50: Lkla Ø133 Mm (No/Nc)

    7 Parts list and service kits The drawing and the parts list include all items. NO = Normally open. NC = Normally closed. 7.13 LKLA ø133 mm (NO/NC)
  • Page 51 7 Parts list and service kits The drawing and the parts list include all items. NO = Normally open. NC = Normally closed. Parts Parts Parts list list list Service Service kits Service kits kits Pos. Denomination Service kits kits for for actuator actuator Service...

  • Page 52: Lkla Ø133 Mm (A/A)

    7 Parts list and service kits The drawing and the parts list include all items. 7.14 LKLA ø133 mm (A/A)
  • Page 53 7 Parts list and service kits The drawing and the parts list include all items. Parts Parts Parts list list list Service Service kits Service kits kits Pos. Denomination Service kits kits for for actuator actuator Service Service kits actuator Air Cylinder Service kits, air/air .

  • Page 54: Lkla-T Ø85 Mm (No/Nc)

    7 Parts list and service kits The drawing and the parts list include all items. NO = Normally open. NC = Normally closed. 7.15 LKLA-T ø85 mm (NO/NC)
  • Page 55 7 Parts list and service kits The drawing and the parts list include all items. NO = Normally open. NC = Normally closed. Parts Parts Parts list list list Pos. Denomination Puck sensorpad, cpl. (Green) Air cylinder Rotating cylinder Piston O-ring �...

  • Page 56: Lkla-T Ø85 Mm (A/A)

    7 Parts list and service kits The drawing and the parts list include all items. 7.16 LKLA-T ø85 mm (A/A)
  • Page 57 7 Parts list and service kits The drawing and the parts list include all items. Parts Parts Parts list list list Service Service kits Service kits kits Pos. Denomination Service kits kits for for actuator actuator Service Service kits actuator Air cylinder Service kits, air/air .

  • Page 58: Lkla-T Dn 125-150 Ø85 Mm (A/A)

    7 Parts list and service kits The drawing and the parts list include all items. 7.17 LKLA-T DN 125-150 ø85 mm (A/A)
  • Page 59 7 Parts list and service kits The drawing and the parts list include all items. Parts Parts Parts list list list Service Service kits Service kits kits Service kits, air/air ........9611923024 Pos.

  • Page 60: Lkla-T Ø133 Mm (No/Nc)

    7 Parts list and service kits The drawing and the parts list include all items. NO = Normally open. NC = Normally closed. 7.18 LKLA-T ø133 mm (NO/NC)
  • Page 61 7 Parts list and service kits The drawing and the parts list include all items. NO = Normally open. NC = Normally closed. Parts Parts Parts list list list Service Service kits Service kits kits Pos. Denomination Service kits kits for for actuator actuator Service...

  • Page 62: Lkla-T Ø133 Mm (A/A)

    7 Parts list and service kits The drawing and the parts list include all items. 7.19 LKLA-T ø133 mm (A/A)
  • Page 63 7 Parts list and service kits The drawing and the parts list include all items. Parts Parts Parts list list list Service Service kits Service kits kits Pos. Denomination Service kits kits for for actuator actuator Service Service kits actuator Air cylinder Service kits, air/air .
  • Page 64 7 Parts list and service kits The drawing and the parts list include all items. 7.20 LKB lockable multiposition handle for valve...
  • Page 65 7 Parts list and service kits The drawing and the parts list include all items. Parts Parts Parts list list list Pos. Denomination Insert Positioning cap Screw...
  • Page 66 7 Parts list and service kits The drawing and the parts list include all items. 7.21 LKB handle 1.1 for butterfly valve Handle 1.1 for LKB butterfly valve Handle 1.1 with infinite positions for LKB Butterfly valve...
  • Page 67 7 Parts list and service kits The drawing and the parts list include all items. Parts Parts Parts list list list Pos. Denomination Transfer block Handle Screw with pin Spring Ball...
  • Page 68 7 Parts list and service kits The drawing and the parts list include all items. 7.22 Handle 1.1 for indication unit...
  • Page 69 7 Parts list and service kits The drawing and the parts list include all items. Parts Parts Parts list list list Pos. Denomination Location cap with 2 pos. Transfer block Handle Screw with pin Spring Ball Bracket Screw Coupling Activating ring with screw...
  • Page 70 © 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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