Alfa Laval LKHPF Instruction Manual
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Alfa Laval LKHPF Instruction Manual

Filtration centrifugal pump for high inlet pressure
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Instruction Manual
LKHPF Filtration Centrifugal Pump for High Inlet Pressure
ESE01950-EN12
Original manual
2022-10

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Summary of Contents for Alfa Laval LKHPF

  • Page 1 Instruction Manual LKHPF Filtration Centrifugal Pump for High Inlet Pressure ESE01950-EN12 2022-10 Original manual...

  • Page 3: Table Of Contents

    ..................6.5. Noise emission ..................7. Parts list and service kits ..............7.1. LKHPF Filtration centrifugal pump for high inlet pressure ........7.2. LKHPF - Wet end ................. 7.3. LKHPF - Motor-dependent parts ............... 7.4. LKHPF - Shaft seals ................

  • 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 LKHPF-10, LKHPF-20, LKHPF-25, LKHPF-35, LKHPF-40, LKHPF-45, LKHPF-50, LKHPF-60, LKHPF-70 Type Serial number from 10.000 to 1.000.000...
  • 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 LKHPF-10, LKHPF-20, LKHPF-25, LKHPF-35, LKHPF-40, LKHPF-45, LKHPF-50, LKHPF-60, LKHPF-70 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 emphasised in this manual. Warnings are indicated by means of special signs. Always Always read Always read read the the manual manual before manual before before using using using the the pump! pump! pump! 2.2 Warning signs...

  • Page 8: Safety Precautions

    Always handle lye and acid with great care. Always Never Never use the pump for products not mentioned in the Alfa Laval pump selection program. Never The Alfa Laval pump selection program can be acquired from your local Alfa Laval sales company. Maintenance: Maintenance: Maintenance: Always Always read the technical data thoroughly.
  • 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: 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 11 3 Installation Step Step Step 4 4 4 Always remove the shroud, if fitted, before lifting the pump.

  • Page 12: Installation

    Read the instructions carefully and pay special attention to the warnings! Always check the pump before operation. - See the pre-use check in section 3.3 Pre-use check - pump without impeller screw. The larger pumps sizes are very heavy. Alfa Laval therefore recommends the use of a lifting crane when handling the pump. 3.2 Installation...
  • Page 13 Read the instructions carefully and pay special attention to the warnings! Always check the pump before operation. - See the pre-use check in section 3.3 Pre-use check - pump without impeller screw. The larger pumps sizes are very heavy. Alfa Laval therefore recommends the use of a lifting crane when handling the pump. Step...
  • Page 14 Read the instructions carefully and pay special attention to the warnings! Always check the pump before operation. - See the pre-use check in section 3.3 Pre-use check - pump without impeller screw. The larger pumps sizes are very heavy. Alfa Laval therefore recommends the use of a lifting crane when handling the pump. Step...
  • Page 15 - See the pre-use check in section 3.3 Pre-use check - pump without impeller screw. The larger pumps sizes are very heavy. Alfa Laval therefore recommends the use of a lifting crane when handling the pump. No gaps between connections on pump inlet and inlet pipe, and pump outlet and outlet pipe.
  • Page 16 - See the pre-use check in section 3.3 Pre-use check - pump without impeller screw. The larger pumps sizes are very heavy. Alfa Laval therefore recommends the use of a lifting crane when handling the pump. Ensure stud bolts in casing are aligned with holes in backplate.
  • Page 17 Read the instructions carefully and pay special attention to the warnings! Always check the pump before operation. - See the pre-use check in section 3.3 Pre-use check - pump without impeller screw. The larger pumps sizes are very heavy. Alfa Laval therefore recommends the use of a lifting crane when handling the pump. Note...
  • Page 18 - See the pre-use check in section 3.3 Pre-use check - pump without impeller screw. The larger pumps sizes are very heavy. Alfa Laval therefore recommends the use of a lifting crane when handling the pump. Always ensure the adaptor shield and motor fan guard are present and mounted correctly and allow no access to rotating...

  • Page 19: Pre-Use Check - Pump Without Impeller Screw

    3 Installation Study the instructions carefully and pay special attention to the warnings! LKH-5 to LKH-60 are supplied without impeller screw as standard but this can be supplied. Check the direction of rotation of the impeller before operation. - See the indication label on the pump. 3.3 Pre-use check - pump without impeller screw Step Step...
  • Page 20 3 Installation Study the instructions carefully and pay special attention to the warnings! LKH-5 to LKH-60 are supplied without impeller screw as standard but this can be supplied. Check the direction of rotation of the impeller before operation. - See the indication label on the pump. Step Step Step 4 4 4...

  • Page 21: Pre-Use Check - Pump With Impeller Screw

    3 Installation Study the instructions carefully and pay special attention to the warnings! LKH-5 to LKH-60 are supplied without impeller screw as standard but this can be supplied. Check the direction of rotation of the impeller before operation. - See the indication label on the pump. 3.4 Pre-use check - pump with impeller screw Never start in the wrong direction of rotation with liquid in the pump.

  • Page 22: Recycling Information

    - At the end of use, the equipment must be recycled according to the relevant, local regulations. Besides the equipment itself, any hazardous residues from the process liquid must be considered and disposed of in a proper manner. When in doubt, or in the absence of local regulations, please contact your local Alfa Laval sales company.

  • Page 23: Operation

    Always read the technical data thoroughly. See chapter 6 Always Technical data CAUTION CAUTION CAUTION Alfa Laval cannot be held responsible for incorrect operation/control. Step 2 2 2 Step Step Never Never touch the pump or the pipelines when pumping hot liquids Never or when sterilising.
  • Page 24 4 Operation Read 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 not allow to run dry * Do not allow to run dry Step Step...

  • Page 25: Troubleshooting

    4 Operation Pay attention to possible faults. Read the instructions carefully. 4.2 Troubleshooting NOTE! NOTE! NOTE! Study the maintenance instructions carefully before replacing worn parts. - See section 5.1 General maintenance Remedy Pr Pr Problem oblem oblem Cause/r esult esult Remedy Remedy Cause/r...

  • Page 26: Recommended Cleaning

    4 Operation The pump is designed for cleaning in place (CIP). CIP = Cleaning In Place. 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 Danger...

  • Page 27: Maintenance

    Or Or Ordering dering dering spar spar spare e e parts: parts: parts: Contact your local Alfa Laval sales company. Note: If the pump is supplied with FEP O-rings, Alfa Laval recommends replacing the casing O-ring during pump Note: Note: maintenance.
  • Page 28 5 Maintenance Maintain the pump carefully. Read 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. Safety check check Safety Safety...

  • Page 29: Cleaning Procedure

    5 Maintenance Maintain the pump carefully. Read 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. 5.2 Cleaning procedure Cleaning Cleaning Cleaning pr pr procedur...

  • Page 30: Dismantling Of Pump/Shaft Seals

    5 Maintenance Read 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 (28) and remove washers (29) and pump casing (45).
  • Page 31 5 Maintenance Read 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 1. Remove impeller screw (41), if fitted, and pull off O-ring (42). 2.
  • Page 32 5 Maintenance Read 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 1. Unscrew nuts (19) and remove washers (20) and back plate (30).
  • Page 33 5 Maintenance Read 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 1. Remove shroud (2). 2. Unscrew nuts (7) and remove washers (6), screws (18) and adaptor (17).

  • Page 34: Assembly Of Pump/Shaft Seal

    : Relates to the shaft seal. 5.4 Assembly of pump/shaft seal Step 1 1 1 Step Step LKHPF-70 For securing the best fixture to the motor shaft, ensure the following: - Conical surfaces on the pump shaft and compression rings are applied with grease.
  • Page 35 5 Maintenance Read 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 (30), washers (20) and nuts (19) and tighten. Tightening torques: See addendum.
  • Page 36 5 Maintenance Read 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 1. Remove impeller (39) and back plate (30). 2.
  • Page 37 5 Maintenance Read 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 1. Lubricate impeller hub (39) with silicone grease or oil. 2.
  • Page 38 5 Maintenance Read 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. Mount shroud (2). 2. Position safety guard (15) and screw (14) and tighten. If the pump is not supplied with flush connections, the holes in the adaptor must be covered by the guard.

  • Page 39: Technical Data

    6.1 Technical data The LKHPF is a highly effcient and economical centrifugal pump, specially designed for high inlet pressure e.g. for use in filtration systems. The LKHPF pump meets the requirements of sanitary and gentle product treatment and chemical resistance, and is available in the following sizes, LKHPF-10, -20, -25, -35, -40, -45, -50, -60, -70.

  • Page 40: 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. W W W ar ar arning: ning: Polyur...

  • Page 41: Weight (Kg)

    (Vendor) quantity in D D D rive E E E nd/quantity in rpm) N N N on D D D rive E E E nd. 6.4 Weight (kg) Pump T T T ype: ype: LKHPF LKHPF Pump Pump ype:...

  • Page 42: Noise Emission

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

  • Page 43: Parts List And Service Kits

    7 Parts list and service kits The drawing shows the LKHPF pump. The items refer to the parts lists in the following sections 7.1 LKHPF Filtration centrifugal pump for high inlet pressure Mounting of back plate to adaptor Impeller screw...

  • Page 44: Lkhpf - Wet End

    7 Parts list and service kits The drawing shows the LKHPF pump. The items refer to the parts lists in the following sections 7.2 LKHPF - Wet end...
  • Page 45 7 Parts list and service kits The drawing shows the LKHPF pump. The items refer to the parts lists in the following sections Parts Parts Parts list list list Pos. Denomination Washer Cap nut Washer Impeller Impeller for impeller screw...

  • Page 46: Lkhpf - Motor-Dependent Parts

    7 Parts list and service kits The drawing shows the LKHPF pump. The items refer to the parts lists in the following sections 7.3 LKHPF - Motor-dependent parts...
  • Page 47 7 Parts list and service kits The drawing shows the LKHPF pump. The items refer to the parts lists in the following sections Parts Parts Parts list list list Pos. Denomination Motor ABB Shroud Screw Distance sleeve Washer for adaptor Nut for adaptor Shaft incl.

  • Page 48: Lkhpf - Shaft Seals

    7 Parts list and service kits The drawing shows the LKHPF pump. The items refer to the parts lists in the following sections 7.4 LKHPF - Shaft seals...
  • Page 49 7 Parts list and service kits The drawing shows the LKHPF pump. The items refer to the parts lists in the following sections Parts Parts Parts list list list Pos. Denomination Shaft seal complete �♦ Shaft seal complete �� Seal housing for flushed seal...
  • Page 50 © 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:

Lkhpf-10Lkhpf-20Lkhpf-25Lkhpf-35Lkhpf-40Lkhpf-45 ... Show all

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