Alfa Laval LKHex UltraPure Instruction Manual
Alfa Laval LKHex UltraPure Instruction Manual

Alfa Laval LKHex UltraPure Instruction Manual

Centrifugal pump

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Instruction Manual
LKHex UltraPure Centrifugal Pump
100000157-EN4
Original manual
2023-04

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Summary of Contents for Alfa Laval LKHex UltraPure

  • Page 1 Instruction Manual LKHex UltraPure Centrifugal Pump 100000157-EN4 2023-04 Original manual...
  • Page 3: Table Of Contents

    6.5. Noise emission ................6.6. Relubrication intervals ..............7. Parts list ..................7.1. Drawing LKHex UltraPure -10, -20, -25, -35, -40, -45, -60, -70 ....7.2. LKHex UltraPure - Product wetted parts ..........7.3. LKHex UltraPure - Motor dependent parts ..........
  • 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 LKHex UP-10, LKHex UP-20, LKHex UP-25, LKHex UP-35, LKHex UP-40, LKHex UP-45, LKHex UP-60, LKHex...
  • 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 LKHex UP-10, LKHex UP-20, LKHex UP-25, LKHex UP-35, LKHex UP-40, LKHex UP-45, LKHex UP-60, LKHex...
  • Page 6: Atex Directive 2014/34/Eu

    Centrifugal pumps supplied with an ATEX symbol are classified for use in potentially explosive atmospheres under ATEX Directive 2014/34/EU Group II, Categories 2 and 3. Technical File Ref: LKHex LKHex UltraPure LKHex UltraPure - - - Document UltraPure Document...
  • Page 7: Atex Marking

    1 Declarations of Conformity 1.2 ATEX Marking Name Name Name plate plate plate example: example: example: 11.0kW 50Hz Shaft seal type (single shaft seal) Max power output at 50Hz Impeller diameter (Ø163) II 2 G ATEX marking - directve part Ex h IIB T4 Ta -20C to +35C...
  • Page 8 1 Declarations of Conformity Name plate position See marking options in chapter 2.3 Special conditions for safe use , table A.
  • Page 9: 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 before using using using the the pump! pump! pump! 2.1 Important information...
  • Page 10: Special Conditions For Safe Use

    Note Ensure that the chosen elastomer is compatible with the process media and the media temperature (see chapter 4.2 for more information). Note Note Note The LKHex UltraPure can only be marked for category 2G but can be used for 3G applications also.
  • Page 11 2 Safety All warnings in the manual are summarised in this section. Pay special attention to the instructions below so that severe personal injury and/or damage to the pump are avoided. Requirements for for measurements measurements on on the the process process media media Requirements...
  • Page 12 2 Safety All warnings in the manual are summarised in this section. Pay special attention to the instructions below so that severe personal injury and/or damage to the pump are avoided. “b1” control control system system requirements requirements “b1” “b1” control system requirements...
  • Page 13: Safety Precautions

    Never restart the pump automatically after a system lockout. At restart, it must be ensured that the pump Never is running within the specifications given in chapter 4.2 Operating conditions. The Alfa Laval pump selection program can be acquired from your local Alfa Laval sales company.
  • Page 14 Never service the pump if pressurised. Never Always Always check for any abnormal sounds or running behaviors when starting up the pump after maintenance. Always Always use Alfa Laval genuine spare parts. Always Always Motors with with grease grease nipples:...
  • Page 15: Installation

    Always use a lifting crane when handling the pump (see 6 4. Instructions for flushing set, IF ORDERED! Technical data). CAUTION CAUTION CAUTION Alfa Laval cannot be held responsible for incorrect unpacking. WARNING WARNING WARNING Be aware that certain pump configurations can tilt, and therefore cause injuries to feet or fingers.
  • Page 16 3 Installation Step Step Step 4 4 4 Remove the shroud before lifting! Always remove the shroud, if fitted, before lifting the pump. Step Step Step 5 5 5 Do NOT NOT use eyebolt in casing to lift the pump. ONLY LKH UltraPure-60 and LKH UltraPure-70 The eyebolt is for casing removal only.
  • Page 17: Installation

    Read 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.
  • Page 18 Read 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.
  • Page 19: Pre-Use Check

    3 Installation Read the instructions carefully and pay special attention to the warnings! LKH UltraPure is not supplied with an impeller screw as standard but can be supplied with one. Check the direction of rotation of the impeller before operation. - See the indication label on the pump.
  • Page 20: Recycling Information

    - At end of use, the equipment must 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 your local Alfa Laval sales company.
  • Page 21: Operation

    4 Operation Read the instructions carefully and pay special attention to the warnings! 4.1 Important check and monitoring during operation Daily Daily checks Daily checks checks - Shaft seal (SSS and DMS) If leakage from the shaft seal can lead to dangerous situations, daily visual inspection for leakage is recommended.
  • Page 22: Operating Conditions

    If VFD is used, the motor should be oversized by 10 % with regards to power output. Pump unit: unit: Pump Pump unit: Maximum inlet pressure LKHex UltraPure 10-70, 50/60 500 kPa (5 bar) (72 psi) Maximum Maximum Maximum product...
  • Page 23: Operation/Control

    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 2 2 2 Step Step Danger Danger Danger of of of burns!
  • 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. Do not not allow allow allow to to to run run dry CAUTION CAUTION CAUTION...
  • Page 25: Trouble Shooting

    4 Operation Pay attention to possible faults. Study the instructions carefully. 4.4 Trouble shooting NOTE! NOTE! NOTE! Study the maintenance instructions carefully before replacing worn parts. Remedy Problem Problem Problem Cause/result Cause/result Cause/result Remedy Remedy Overloaded motor - Larger motor or smaller impeller - Pumping of viscous liquids - Pumping of high density liquids - Low outlet pressure (counter...
  • Page 26: 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. 4.5 Recommended cleaning Step 1 1 1 Step Step Caustic danger!
  • Page 27: Maintenance

    (see chapter ). Ordering Ordering Ordering spare spare parts spare parts 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 28 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. Shaft seal seal Rubber seals seals Shaft Shaft seal Rubber Rubber seals...
  • Page 29: 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. 5.2 Dismantling of pump/shaft seals Step 1 1 1 Step Step Unscrew cap nuts (24) and remove washers (24a) and pump casing (29).
  • Page 30 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 Counterhold 1. Remove impeller screw (36). with a 2.
  • 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 8 8 8 Double mechanical mechanical shaft shaft seal: seal: Double Double mechanical shaft...
  • Page 32: Assembly Of Pump/Single Shaft Seal

    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 Assembly of pump/single shaft seal Step 1 1 1 Step Step 1. Remove spring (13). NOTE! NOTE! NOTE!
  • 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 5 5 5 1. Clean the sealing surfaces with contact cleaner before fitting back plate (25).
  • Page 34 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 9 9 9 1. Fit pump casing (29), washers (24a) and cap nuts (24). 2.
  • Page 35: Assembly Of Pump/Double Mechanical Shaft Seal

    5 Maintenance Read 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. 5.4 Assembly of pump/double mechanical shaft seal Step Step Step 1 1 1 1.
  • Page 36 5 Maintenance Read 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 1. Clean the sealing surfaces with contact cleaner. 2.
  • Page 37 5 Maintenance Read 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 Fit safety guard (22) and screw (23) and tighten. If the pump is not supplied with flush connections, the holes in the adaptor must be covered by the guard.
  • Page 38: Adjustment Of Shaft

    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 Adjustment of shaft 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 1. For For double double mechanical double mechanical...
  • Page 40: Technical Data

    It provides gentle product treatment and is chemically resistant. LKHex UltraPure is available in the following sizes, LKHex UltraPure-10 , -20, -25, -35, -40, -45, -60 and -70. The instruction manual is part of the delivery. Study the instructions carefully.
  • Page 41: Technical Information And Description Of Mechanical Shaft Seals

    6 Technical data It is important to observe the technical data during installation, operation and maintenance. Inform personnel about the technical data. 6.2 Technical information and description of mechanical shaft seals General General considerations General considerations regarding considerations regarding regarding mechanical mechanical mechanical shaft shaft seals...
  • Page 42: Torque Specifications

    Ibf- - - ft ft ft 13mm/0.51” 17mm/0.67” 19mm/0.75” 22mm/0.87” 6.4 Weight (kg) Pump Pump Pump Type: Type: LKHex Type: LKHex LKHex UltraPure UltraPure UltraPure Size Size Size 1.5 kW 2.2 kW 3 kW 4 kW 5.5 kW 7.5 kW 11 kW 15 kW 18.5...
  • Page 43: Noise Emission

    6 Technical data It is important to observe the technical data during installation, operation and maintenance. Inform personnel about the technical data. 6.5 Noise emission Pump type type Pump Pump type Sound Sound Sound pressure pressure pressure level level (dBA) level (dBA) (dBA)
  • Page 44: Relubrication Intervals

    6 Technical data It is important to observe the technical data during installation, operation and maintenance. Inform personnel about the technical data. 6.6 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 45: Parts List

    7 Parts list The drawing shows the LKHex UltraPure, sanitary version. The items refer to the parts lists in the following sections 7.2 LKHex UltraPure - Product wetted parts. 7.1 Drawing LKHex UltraPure -10, -20, -25, -35, -40, -45, -60, -70 US legs are different to the ones shown.
  • Page 46: Lkhex Ultrapure - Product Wetted Parts

    7 Parts list The drawing shows the LKHex UltraPure, sanitary version. The items refer to the parts lists in the following sections 7.2 LKHex UltraPure - Product wetted parts. 7.2 LKHex UltraPure - Product wetted parts Product wetted steel parts...
  • Page 47 7 Parts list The drawing shows the LKHex UltraPure, sanitary version. The items refer to the parts lists in the following sections 7.2 LKHex UltraPure - Product wetted parts. Parts list list Parts Parts list Pos. Denomination Washer Cap nut...
  • Page 48: Lkhex Ultrapure - Motor Dependent Parts

    7 Parts list The drawing shows the LKHex UltraPure, sanitary version. The items refer to the parts lists in the following sections 7.2 LKHex UltraPure - Product wetted parts. 7.3 LKHex UltraPure - Motor dependent parts Product wetted steel parts...
  • Page 49 7 Parts list The drawing shows the LKHex UltraPure, sanitary version. The items refer to the parts lists in the following sections 7.2 LKHex UltraPure - Product wetted parts. Parts list list Parts Parts list Pos. Denomination Motor Shroud Shroud Exdbeb...
  • Page 50: Lkhex Ultrapure - Shaft Seal

    7 Parts list The drawing shows the LKHex UltraPure, sanitary version. The items refer to the parts lists in the following sections 7.2 LKHex UltraPure - Product wetted parts. 7.4 LKHex UltraPure - Shaft seal Product wetted steel parts Product wetted elastomer parts...
  • Page 51 7 Parts list The drawing shows the LKHex UltraPure, sanitary version. The items refer to the parts lists in the following sections 7.2 LKHex UltraPure - Product wetted parts. Parts list list Parts Parts list Pos. Denomination ♦ Single shaft seal �...
  • Page 52 (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:

Lkhex up 10-70Lkhex up 10-60Lkhex up 70

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