Alfa Laval LKH Evap Instruction Manual
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Alfa Laval LKH Evap Instruction Manual

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Instruction Manual
LKH Evap
ESE01861-EN7
Original manual
2022-10

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Summary of Contents for Alfa Laval LKH Evap

  • Page 1 Instruction Manual LKH Evap ESE01861-EN7 2022-10 Original manual...

  • Page 3: Table Of Contents

    6.2. Relubrication intervals ................6.3. Torque Specifications ................6.4. Weight (kg) ..................6.5. Noise emission ..................7. Parts list and service kits ..............7.1. LKH Evap ..................7.2. LKH Evap - Wet end ......................................7.4. LKH Evap - Shaft seal ................

  • Page 4: 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 Pump Designation LKHevap-10, LKHevap-15, LKHevap-20, LKHevap-25, LKHevap-35, LKHevap-40, LKHevap-45, LKHevap-50, LKHevap-60, LKHevap-70,...
  • Page 5 Declaration Declaration of of of Conformity Conformity 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 Pump Designation LKHevap-10, LKHevap-15, LKHevap-20, LKHevap-25, LKHevap-35, LKHevap-40, LKHevap-45, LKHevap-50, LKHevap-60, LKHevap-70,...

  • Page 6: Safety

    2 Safety Unsafe practices and other important information are emphasised in this manual. Warnings are emphasised by means of special signs. Always Always read Always read read the the manual manual manual before before using before using using the the pump! pump! pump! 2.1 Important information...

  • Page 7: Safety Precautions

    Always Never use the pump for products not mentioned in Alfa Laval pump selection program. Never Never Alfa Laval pump selection program can be acquired from your local Alfa Laval sales company. Maintenance: Maintenance: Maintenance: Always read the technical data thoroughly. (See chapter 6 Technical data)
  • Page 8 2 Safety All warnings in the manual are summarised on this page. Pay special attention to the instructions below so that severe personal injury and/or damage to the pump are avoided. Always Always transport the pump in it's upright position Always Always Always ensure that the unit is securely fixed during transportation...

  • Page 9: Unpacking/Delivery

    3. Motor instructions. CAUTION CAUTION CAUTION Alfa Laval cannot be held responsible for incorrect unpacking. W W W ARNING: ARNING: ARNING: Be aware that certain pump configurations can tilt, and thereby cause injuries to feet or fingers. The pump should be supported underneath the adaptor, when not installed in the process line.

  • Page 10: Installation

    Study the instructions carefully and pay special attention to the warnings! Always check the pump before operation. - See pre-use check in section 3.3 Pre-use check. The large pump sizes are very heavy. Alfa Laval therefore recommends the use of a lifting crane when handling the pump. 3.2 Installation...
  • Page 11 Study the instructions carefully and pay special attention to the warnings! Always check the pump before operation. - See pre-use check in section 3.3 Pre-use check. The large pump sizes are very heavy. Alfa Laval therefore recommends the use of a lifting crane when handling the pump. Step...

  • Page 12: Pre-Use Check

    3 Installation Study the instructions carefully and pay special attention to the warnings! Check the direction of rotation of the impeller before operation. - See the indication label on the pump. 3.3 Pre-use check Check Check dir dir Check direction ection of of of r r r otation ection otation...

  • Page 13: 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 14: Operation

    Step 1 1 1 Always read the technical data thoroughly. See chapter 6 Technical data Always Always CAUTION CAUTION CAUTION Alfa Laval cannot be held responsible for incorrect operation/control. Step Step Step 2 2 2 Danger Danger Danger of of of bur...
  • Page 15 4 Operation Study the instructions carefully and pay special attention to the warnings! Step Step Step 4 4 4 CAUTION CAUTION CAUTION The shaft seal must not run dry. Do not not allow allow allow to to to run run dry CAUTION CAUTION CAUTION...

  • Page 16: Trouble Shooting

    4 Operation Pay attention to possible faults. Study the instructions carefully. 4.2 Trouble shooting NOTE! NOTE! NOTE! Study the maintenance instructions carefully before replacing worn parts. Remedy Pr Pr Problem oblem oblem Cause/r Cause/r Cause/r esult esult esult Remedy Remedy - Pumping of viscous liquids - Larger motor or smaller impeller Overloaded motor...

  • Page 17: Recommended Cleaning

    4 Operation The pump 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 1 1 Step Step Caustic...

  • Page 18: Maintenance

    Contact your local Alfa Laval sales company. Note: Note: Note: If pump is supplied with FEP O-rings. Alfa Laval recommend the casing O-ring is replaced when the pump is maintained.
  • Page 19 5 Maintenance Maintain the pump carefully. Study the instructions carefully and pay special attention to the warnings! Always keep spare shaft seals and rubber seals in stock. See separate motor instructions. Check the pump for smooth operation after service. Shaft Shaft Shaft seal seal...

  • Page 20: Cleaning Procedure

    5 Maintenance 5.2 Cleaning Procedure Cleaning Cleaning Cleaning Pr Pr Procedur ocedur e e e for ocedur for Soiled Soiled Impeller Soiled Impeller Scr Impeller Screw ew T T T apped apped apped Hole: Hole: Hole: 1. Remove stub shaft (7) per section 4 of Service manual. 2.

  • Page 21: Dismantling Of Pump/Shaft Seals

    5 Maintenance Study the instructions carefully. The items refer to the parts list and service kits section. Handle scrap correctly. : Relates to the shaft seal. 5.3 Dismantling of pump/shaft seals Step Step Step 1 1 1 1. Unscrew cap nuts (24) and remove washers (24a) and pump casing (29).
  • Page 22 2. Remove rotating seal rings (14) and drive ring (52) from spring (13). 3. Remove O-rings (15) from rotating seal rings (14). 4. LKH Evap-70 to 75: Remove cups (54) from rotating seal rings. Step Step Step 9 9 9...

  • Page 23: Assembly Of Pump/Single Shaft Seal

    5 Maintenance Study the instructions carefully. The items refer to the parts list and service kits section. Handle scrap correctly. : Relates to the shaft seal. 5.4 Assembly of pump/single shaft seal Step 1 1 1 Step Step 1. Remove spring (13). NOTE! NOTE! NOTE!
  • Page 24 5 Maintenance Study the instructions carefully. The items refer to the parts list and service kits section. Handle scrap correctly. : Relates to the shaft seal. Step Step Step 5 5 5 1. Clean the sealing surfaces with contact cleaner before fitting back plate (25).
  • Page 25 5 Maintenance Study the instructions carefully. The items refer to the parts list and service kits section. Handle scrap correctly. : Relates to the shaft seal. Step Step Step 9 9 9 1. Fit pump casing (29), washers (24a) and cap nuts (24). 2.

  • Page 26: Assembly Of Pump/Flushed Shaft Seal

    Lubricate the rubber seals before fitting them. : Relates to the shaft seal. 5.5 Assembly of pump/flushed shaft seal Step Step Step 1 1 1 Use ø63 mm tube! (LKH Evap 10-60) Flushed shaft shaft seal seal : : : Flushed Flushed...
  • Page 27 5 Maintenance Study the instructions carefully. The items refer to the parts list and service kits section. Lubricate the rubber seals before fitting them. : Relates to the shaft seal. Step Step Step 5 5 5 Lubricate O-ring (26) and slide it onto back plate (25). Step 6 6 6 Step Step...
  • Page 28 5 Maintenance Study the instructions carefully. The items refer to the parts list and service kits section. Lubricate the rubber seals before fitting them. : Relates to the shaft seal. Step Step Step 9 9 9 1. Fit pump casing (29). 2.

  • Page 29: Assembly Of Pump/Double Mechanical Shaft Seal

    Step 2 2 2 Only LKH Evap-70 to -75 1. LKH Evap-70 to -75: Turn the drive ring (52) in order to place it correctly on the pump shaft (7). 2. Fit the second rotating ring (14) on the other end of the spring.
  • Page 30 5 Maintenance Study the instructions carefully. The items refer to the parts list and service kits section. Lubricate the rubber seals before fitting them. : Relates to the shaft seal. Step Step Step 6 6 6 Lubricate O-ring (26) and slide it onto back plate (25). Step Step Step 7 7 7...
  • Page 31 5 Maintenance Study the instructions carefully. The items refer to the parts list and service kits section. Lubricate the rubber seals before fitting them. : Relates to the shaft seal. Step Step Step 10 1. Fit pump casing (29). 2. Tighten nuts (20) for back plate (25). 3.

  • Page 32: Adjustment Of Shaft

    Study the instructions carefully. The items refer to the parts list and service kits section. Lubricate the rubber seals before fitting them. : Relates to the shaft seal. 5.7 Adjustment of shaft LKH Evap Evap Evap - - - 70 70 to to to - - - 75 For securing the best fixture to the motor shaft ensure the following: - Conical surfaces on pump shaft and compression rings are applied with grease.
  • Page 33 1. Fit impeller (36/37) on stub shaft (7). 2. Ensure that the clearance between the impeller and back plate (25) is correct: 0.5 mm (0.02 inch) for LKH Evap 10, 15, 20, 25, 35, 45, 50 and 60 and 1.0 mm (0.039 inch) for LKH Evap 40, 70 and 75.

  • Page 35: Technical Data

    The LKH Evap pump is highly efficient and econominal centrifugal pump, which meets the requirements of sanitary and gently product treatment and chemical resistsnce. LKH Evap is available in the following sizes LKH Evap -10, -15, -20, -25, -35, -40, -50, -60, -70 and -75.

  • Page 36: Relubrication Intervals

    6 Technical data It is important to observe the technical data during installation, operation and manintenance. Inform the personnel about the technical data. 6.2 Relubrication intervals The table is for an internal bearing temperature of 100°C. An increase in temperature of 15°C (ambient or internal in bearings), will reduce the greasing interval and bearing lifetime by 50%.
  • Page 37 LKHI- - - 10 10 - - - 60* (kW) (kW) LKHI LKHI LKH- - - 110* 110* 110* LKHSP, , , LKH LKH Evap Evap LKHSP LKHSP Evap LKH UltraPur UltraPur e e e UltraPur 50/60 50/60 50/60 HZ Permanently lubricated 0.75...
  • Page 38 6 Technical data It is important to observe the technical data during installation, operation and manintenance. Inform the personnel about the technical data. T T T able able able 1. 1. 1. Sterling Sterling Nema Sterling Nema Nema motors motors motors T T T ype ype of of of service...

  • Page 39: Torque Specifications

    6 Technical data It is important to observe the technical data during installation, operation and manintenance. Inform the personnel about the technical data. 6.3 Torque Specifications Below table specifies the tightening torques for the screws, bolts and nuts in this pump. Always use below torques if no other values are stated.

  • Page 40: Noise Emission

    MR-300 FM-OS The above LKH noise levels are the same for LKHPF, LKHI, LKH UltraPure, LKH Evap, LKHex. The above SolidC noise levels are the same for SolidC UltraPure. The noise measurements have been carried out with original motor and shroud, approximately at the Best Efficiency Point (BEP) with water at ambient temperature and at 50 Hz.

  • Page 41: Parts List And Service Kits

    7 Parts list and service kits The drawing shows LKH Evap pump. The items refer to the parts lists in the following sections to 7.1 LKH Evap US legs are different to the ones shown. For further information see US Spare Part.

  • Page 42: Lkh Evap - Wet End

    7 Parts list and service kits The drawing shows LKH Evap pump. The items refer to the parts lists in the following sections to 7.2 LKH Evap - Wet end DMSS = Double Mechanical Shaft Seal. FSS = Flushed Shaft Seal...
  • Page 43 7 Parts list and service kits The drawing shows LKH Evap pump. The items refer to the parts lists in the following sections to Parts Parts Parts list list list Pos. Denomination Set of 5 O-rings EPDM for pumpcasing (pos 26)
  • Page 44 7 Parts list and service kits The drawing shows LKH Evap pump. The items refer to the parts lists in the following sections to DMSS = Double Mechanical Shaft Seal. FSS = Flushed Shaft Seal...
  • Page 45 7 Parts list and service kits The drawing shows LKH Evap pump. The items refer to the parts lists in the following sections to Parts Parts Parts list list list Pos. Denomination Motor ABB Shroud Edge list (Included in pos. 2)
  • Page 46 7 Parts list and service kits The drawing shows LKH Evap pump. The items refer to the parts lists in the following sections to DMSS = Double Mechanical Shaft Seal. FSS = Flushed Shaft Seal...
  • Page 47 7 Parts list and service kits The drawing shows LKH Evap pump. The items refer to the parts lists in the following sections to Parts Parts Parts list list list Pos. Denomination Motor ABB Shroud Edge list (Included in pos. 2)

  • Page 48: Lkh Evap - Shaft Seal

    7 Parts list and service kits The drawing shows LKH Evap pump. The items refer to the parts lists in the following sections to 7.4 LKH Evap - Shaft seal Single Shaft Seal Flushed Shaft Seal Double Mechanical Shaft Seal...
  • Page 49 7 Parts list and service kits The drawing shows LKH Evap pump. The items refer to the parts lists in the following sections to Parts Parts Parts list list list Pos. Denomination Complete shaft seal � Complete shaft seal �...
  • Page 50 7 Parts list and service kits The drawing shows LKH Evap pump. The items refer to the parts lists in the following sections to Denomination Denomination Denomination EPDM EPDM EPDM Service Service Service kit kit kit for for double double...
  • Page 52 © 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.

This manual is also suitable for:

Lkh evap-10Lkh evap-15Lkh evap-20Lkh evap-25Lkh evap-35Lkh evap-45 ... Show all

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