Alfa Laval LKH Series Original Manual
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Alfa Laval LKH Series Original Manual

Multi-stage pump
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Instruction Manual
LKH Multi-Stage Pump
100002859-EN9
Original manual
2022-10

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Summary of Contents for Alfa Laval LKH Series

  • Page 1 Instruction Manual LKH Multi-Stage Pump 100002859-EN9 2022-10 Original manual...

  • Page 3: Table Of Contents

    Table of contents The information herein is correct at the time of issue but may be subject to change without prior notice 1. Declarations of Conformity ..............2. Safety ..................2.1. Important information ..............2.2. Warning signs ................2.3. Safety precautions ..............3.

  • 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 LKH-112, LKH-112/P, LKH-113, LKH-113/P, LKH-114, LKH-114/P, LKH-122/P, LKH-123/P, LKH-124/P Type Serial number from 10.000 to 1.000.000...
  • Page 5 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 LKH-112, LKH-112/P, LKH-113, LKH-113/P, LKH-114, LKH-114/P, LKH-122/P, LKH-123/P, LKH-124/P Type Serial number from 10.000 to 1.000.000...

  • Page 6: Safety

    How to to to contact contact Alfa Alfa Laval Laval contact Alfa Laval Contact details for all countries are continually updated on our website. Please visit www.alfalaval.com to access the information directly.

  • Page 7: Warning Signs

    2 Safety Unsafe practices and other important information are emphasized in this manual. Warnings are emphasized by means of special signs. Always Always read Always read read the the manual manual manual before before before using using using the the pump! pump! pump! 2.2 Warning signs...

  • Page 8: Safety Precautions

    Always Never use the pump for products not mentioned in the Alfa Laval pump selection program. Never Never The 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 9 Always Storage: Storage: Storage: Ideally as a guide Alfa Laval would recommend: - Store supplied product as supplied in original packaging - Port opening should be protected against any ingress - Bare steel (not stainless) should be lightly oiled/greased - Store in a clean, dry place without direct sunlight or UV light - Temperature range -5 to 40°C...

  • Page 10: Installation

    LKH-112, -113, -114 and LKH122/P, -123/P, -124/P. The instruction manual is part of the delivery. Study the instructions carefully. The large pump sizes are very heavy. ALfa Laval recommends the use of a lifting crane when handling the pump.
  • Page 11 LKH-112, -113, -114 and LKH122/P, -123/P, -124/P. The instruction manual is part of the delivery. Study the instructions carefully. The large pump sizes are very heavy. ALfa Laval recommends the use of a lifting crane when handling the pump.

  • Page 12: Installation/Pre-Use Check

    Please ensure that the pump shaft can be rotated by hand before start-up. WARNING: WARNING: WARNING: Alfa Laval recommends the supply disconnecting device shall be in accordance with EN60204-1. Always disconnect the supply disconnecting device safely after installation before continuing the installation. Step 2 2 2 Step Step Ensure at least 0.5 m (1.6 ft) clearance around the pump.
  • Page 13 3 Installation Study the instructions carefully and pay special attention to the warnings! The direction of rotation of the impeller can be checked by observing the direction of rotation of the motor fan. - See the indication label on the pump. Step Step Step 3 3 3...
  • Page 14 3 Installation Study the instructions carefully and pay special attention to the warnings! The direction of rotation of the impeller can be checked by observing the direction of rotation of the motor fan. - See the indication label on the pump. Step 5 5 5 Step Step...
  • Page 15 3 Installation Study the instructions carefully and pay special attention to the warnings! The direction of rotation of the impeller can be checked by observing the direction of rotation of the motor fan. - See the indication label on the pump. Centre of inlet and outlet to be aligned with centre of piping system.
  • Page 16 In case of shaft seal leakage, the media will drip from the slot in the bottom of the adaptor. In case of shaft seal leakage, Alfa Laval recommends putting a drip tray underneath the slot to collect the leakage. Step...

  • Page 17: 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 18: Operation

    Always read the technical data thoroughly. See chaper 6 Technical data Always CAUTION CAUTION CAUTION Alfa Laval cannot be held responsible for incorrect operation/control. Never Never touch the pump or the pipelines when pumping hot liquids or when sterilising. Never Step...
  • Page 19 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. CAUTION CAUTION CAUTION Never Never throttle the inlet side. Never * Do Do not not allow allow to to to run...
  • Page 20 4 Operation Study the instructions carefully and pay special attention to the warnings! Step Step Step 6 6 6 Control: Control: Control: Reduce the capacity and the power consumption by means - Throttling the pressure side of the pump. - Reducing the impeller diameter. - Reducing the speed of the motor.

  • Page 21: 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. - See section 5.1 General maintenance Remedy Problem Problem Problem Cause/result Cause/result Cause/result Remedy Remedy Overloaded motor - Larger motor or smaller impeller...

  • Page 22: 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 danger!
  • Page 23 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. Step Step Step 4 4 4 Always rinse well with clean water after using a cleaning Always Always...

  • Page 24: Maintenance

    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. 5.1 General maintenance Step 1 1 1 Step Step Always Always read the technical data thoroughly.
  • Page 25 (See chapter 7 Parts list and service kits). Ordering spare spare parts parts Ordering Ordering spare parts Contact your local Alfa Laval sales company. Note: Note: Note: If the pump is supplied with FEP O-rings, Alfa Laval recommends that the casing O-ring is replaced during pump maintenance.
  • Page 26 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. Safety check check Safety Safety check A visual inspection of adaptor shield and motor fan guard must be carried out every 12 months. If loss or damage to shield or guard, especially when this leads to deterioration of safety performance, it shall be replaced.
  • Page 27 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. Pay special special special attention attention to to to warnings! attention warnings! warnings!

  • Page 28: Cleaning Procedure

    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. 5.2 Cleaning Procedure Cleaning Procedure Procedure for for Soiled Soiled Impeller Impeller Screw Screw Tapped...

  • Page 29: 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 1 1 1 Step Step Remove the cap nuts (29), washer (30), pump cover (49) and O-ring (32).
  • Page 30 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 4 4 4 Remove impeller screw (47) O-ring (41) and impeller (45). * Counterhold with a screwdriver! Step 5 5 5 Step...
  • Page 31 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 8 8 8 Remove space ring (35) and the rotating part of the seal from the impeller.
  • Page 32 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 12 Flushed shaft shaft seal: seal: Flushed Flushed shaft seal: 1. Remove the screws (24) and seal housing (26). 2.

  • Page 33: Assembly Of Pump/Assembly Of Shaft Seal - Lkh-110

    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/Assembly of Shaft Seal - LKH-110 Step 1 1 1 Step Step 1.
  • Page 34 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 4 4 4 Fit back plate (31), washers (21) and nuts (20). Step Step Step 5 5 5...
  • Page 35 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 7 7 7 1. Remove impeller screw (47) and remove impeller (40,45) and back plate (31).
  • Page 36 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 11 LKH-112: 1. Fit pump casing (42) on back plate (31). 2.
  • Page 37 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 15 1. Fit O-ring (32) and pump cover (49). 2. Fit washers (30) and cap nuts (29). 3.

  • Page 38: Assembly Of Pump/Assembly Of Shaft Seal - Lkh-120/P

    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. 5.5 Assembly of Pump/Assembly of Shaft Seal - LKH-120/P Step 1 1 1 Step Step 1.
  • Page 39 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 Flushed shaft shaft seal: seal: Flushed Flushed...
  • Page 40 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 8 8 8 1. Fit back plate (31), washers (21) and nuts (20). 2.
  • Page 41 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 12 1. Fit impeller (45) and O-ring (41). 2.
  • Page 42 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 15 1. Fit shroud (2). 2. Fit safety guard (17) and screw (16). Step Step Step 16...

  • Page 43: Technical Data

    LKH-112, -113, -114 and LKH122/P, -123/P, -124/P. The instruction manual is part of the delivery. Study the instructions carefully. The large pump sizes are very heavy. Alfa Laval therefore recommends the use of a lifting crane when handling the pump.
  • Page 44 6 Technical data It is important to observe the technical data during installation, operation and maintenance. Inform possible personnel about the technical data. Data Data Data Temperature range -10°C to +140°C (EPDM) (14°F to 284°F ) Noise level 60-80 dB(A) Max.

  • Page 45: Relubrication Intervals

    6.2 Relubrication intervals For recommended grease types and general maintenance follow the recommendations in the motor instruction manual. For relubrication intervals see motor name plate. For further information contact your local Alfa Laval Technical Support. Warning: Warning: Polyurea Warning: Polyurea based...

  • Page 46: Weight (Kg)

    6 Technical data Relubrication Relubrication interval Relubrication interval interval 50 50 Hz Hz (3000 (3000 rpm)/Relubrication (3000 rpm)/Relubrication rpm)/Relubrication interval interval 60 interval 60 Hz Hz (3600 (3600 (3600 rpm) rpm). (Vendor) quantity in Drive rpm) End/quantity in Non Drive End. 6.4 Weight (kg) Pump Pump...

  • Page 47: Noise Emission

    6 Technical data Relubrication Relubrication interval Relubrication interval interval 50 50 Hz Hz (3000 (3000 rpm)/Relubrication (3000 rpm)/Relubrication rpm)/Relubrication interval interval interval 60 60 Hz Hz (3600 (3600 rpm) (3600 rpm) rpm). (Vendor) quantity in Drive End/quantity in Non Drive End. 6.5 Noise emission Pump Type Type...

  • Page 48: Parts List And Service Kits

    7 Parts list and service kits Relubrication Relubrication interval Relubrication interval interval 50 50 Hz Hz (3000 (3000 rpm)/Relubrication (3000 rpm)/Relubrication rpm)/Relubrication interval interval 60 interval 60 Hz Hz (3600 (3600 (3600 rpm) rpm). (Vendor) quantity in Drive rpm) End/quantity in Non Drive End.

  • Page 49: Lkh Multi-Stage - Wet End

    7 Parts list and service kits 7.2 LKH Multi-Stage - Wet end...
  • Page 50 7 Parts list and service kits Parts list list Parts Parts list Pos. Denomination Washer Cap nut Washer Back plate std. blasted O-ring �♦�� Impeller back std. blasted O-ring Pump casing O-ring �♦�� Guide vanes blasted Impeller std. blasted Intermediate casing blasted Impeller screw std.

  • Page 51: Lkh Multi-Stage - Motor Dependent Parts

    7 Parts list and service kits 7.3 LKH Multi-Stage - Motor dependent parts...
  • Page 52 7 Parts list and service kits Parts list list Parts Parts list Pos. Denomination Motor ABB 3000rpm Shroud Edge list Screw Distance sleeve Nut for adaptor Connex pin Compression ring Connex pin Shaft Compression ring Retaining ring Screw Washer Screw Safety guard set Adaptor Screw for adaptor...

  • Page 53: Lkh Multi-Stage - Shaft Seal And Service Kits

    7 Parts list and service kits 7.4 LKH Multi-Stage - Shaft seal and Service kits...
  • Page 54 7 Parts list and service kits Parts list list Parts Parts list Pos. Denomination �� Shaft seal complete ♦� Shaft seal complete �� Shaft seal complete ♦� Shaft seal complete O-ring ♦� Sleeve ♦� Screw Tube Seal housing O-ring ♦� Lip seal ♦�...
  • Page 55 7 Parts list and service kits Service Service Service kit kit for for flushed flushed shaft flushed shaft shaft seal seal SIC/SIC seal SIC/SIC SIC/SIC ♦ Service kit kit SIC/SIC SIC/SIC LKH LKH- - - 112/ 112/ LKH LKH- - - 112P 112P .
  • Page 56 (electronic, mechanical, photocopying, recording, or otherwise), or for any purpose, without the expressed permission of Alfa Laval Corporate AB. Alfa Laval Corporate AB will enforce its rights related to this document to the fullest extent of the law,...

This manual is also suitable for:

Lkh-112Lkh-112/pLkh-113Lkh-113/pLkh-114Lkh-114/p ... Show all

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