Alfa Laval LKHP Instruction Manual
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Alfa Laval LKHP Instruction Manual

Filtration centrifugal pump for high inlet pressure
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Instruction Manual
LKHP Filtration Centrifugal Pump for High Inlet Pressure
TD 252-003
ESE01950-EN1
2011-01
Original manual

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Summary of Contents for Alfa Laval LKHP

  • Page 1 Instruction Manual LKHP Filtration Centrifugal Pump for High Inlet Pressure TD 252-003 ESE01950-EN1 2011-01 Original manual...

  • Page 3: Table Of Contents

    6.1. Technical data ..................6.2. Relubrication intervals ................7. Parts list and service kits ................7.1. LKHP Filtration Centrifugal Pump for High Inlet Pressure ........7.2. LKHPF - Wet end ................. 7.3. LKHPF - Mortor dependent parts ............... 7.4. LKHPF - Shaft seals ................

  • Page 4: Ec Declaration Of Conformity

    Company Name Albuen 31, DK-6000 Kolding, Denmark Address +45 79 32 22 00 Phone No. hereby declares that Pump LKHP Filtration Denomination Type Year conforms with the following directives with amendments: - Low Voltage Directive 2006/95/EC - EMC Directive 2004/108/EC...

  • Page 5: Safety

    2 Safety Unsafe practices and other important information are emphasised in this manual. Warnings are indicated by means of special signs. Always read the manual before using the pump! 2.1 Important information WARNING Indicates that special procedures must be followed to avoid serious personal injury. CAUTION Indicates that special procedures must be followed to avoid damage to the pump.

  • Page 6: Safety Precautions

    2 Safety All warnings in the manual are summarised on this page. Pay special attention to the instructions below so that serious personal injury and/or damage to the pump are avoided. 2.3 Safety precautions Installation: Always read the technical data thoroughly. (See chapter 6 Technical data) Always use a lifting crane when handling the pump.

  • Page 7: Installation

    3 Installation This instruction manual is part of the delivery. Study the instructions carefully. The larger pumps sizes are very heavy. Alfa Laval therefore recommends the use of a lifting crane when handling the pump. 3.1 Unpacking/delivery Step 1 Check the delivery for: 1.

  • Page 8: Installation

    Study 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/with 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 9: Pre-Use Check - Pump Without/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. 3.3 Pre-use check - pump without/with impeller screw Step 1 Pump without impeller screw...

  • Page 10: 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 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 11: Operation

    4.1 Operation/control Step 1 Always read the technical data thoroughly. See chapter 6 Technical data CAUTION Alfa Laval cannot be held responsible for incorrect operation/control. Step 2 Burning danger! Never touch the pump or the pipelines when pumping hot liquids or when sterilising.
  • Page 12 4 Operation Study the instructions carefully and pay special attention to the warnings! The pump is fitted with a warning label indicating correct throttling Step 5 Correct! Flushed shaft seal: 1. Connect the inlet of the flushing liquid correctly. 2. Regulate the water supply correctly. 3.

  • Page 13: Fault Finding

    4 Operation Pay attention to possible faults. Study the instructions carefully. 4.2 Fault finding NOTE! Study the maintenance instructions carefully before replacing worn parts. - See section 5.1 General maintenance Remedy Problem Cause/result Overloaded motor - Pumping of viscous liquids - Larger motor or smaller impeller - Pumping of liquids with high density - Low outlet pressure (counter pressure) - Higher counter pressure (throttling)

  • Page 14: 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 Danger, caustic! Always handle lye and acid with great care.

  • Page 15: 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. Check the pump for smooth operation after service. 5.1 General maintenance Step 1 Always read the technical data thoroughly.

  • Page 16: Cleaning Procedure

    5 Maintenance NOTE! Study the maintenance instructions carefully before replacing worn parts. - See section 5.1 General maintenance Shaft seal Rubber seals Motor bearings Preventive maintenance Replace after 12 months: Replace when replacing the (one-shift) Complete shaft seal shaft seal Maintenance after leakage Replace at the end of the Replace when replacing the...

  • Page 17: 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. Unscrew cap nuts (28) and remove washers (29) and pump casing (45).
  • Page 18 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 7 Separate rotating seal ring (34), quad rings (35, 38), support ring (36), guide ring (37) and washer (37) from rotating seal housing (37). TD 252-027 Step 8 1.
  • Page 19 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 13 Separate screws (13), washers (13a) and compression rings (12a+b). TD 252-054...

  • Page 20: Assembly Of Pump/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/shaft seal Step 1 1. Fit compression rings (12a, 12b), washers (13a) and screws (13) on stub shaft (9).
  • Page 21 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 7 1.0 mm (0.039”) 1. Fit impeller (39) or (40) on stub shaft (9) by rotating clockwise. 2.
  • Page 22 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 14 1. Fit pump casing (45). 2. Fit washers (29) and cap nuts (28) and tighten. Note: Cap nuts must be tightened according to torque values in the 6 Technical data TD 252-043...

  • Page 23: Technical Data

    6 Technical data It is important to observe the technical data during installation, operation and maintenance. Inform personnel about the technical data. 6.1 Technical data Data Max. inlet pressure 4000 kPa (40 bar) 600 psi Max. inlet pressure (USA) Temperature range C to +140 (14 to 284 (EPDM)
  • Page 24 6 Technical data It is important to observe the technical data during installation, operation and maintenance. Inform personnel about the technical data. Tightening torques The table below specifies the tightening torques for the screws, bolts and nuts in this pump. Always use the torques below if no other values are stated.

  • Page 25: Relubrication Intervals

    6 Technical data Relubrication interval 50 Hz (3000 rpm)/Relubrication interval 60 Hz (3600 rpm). (Vendor) quantity in Drive End/quantity in Non Drive End. 6.2 Relubrication intervals The table is for 100°C internal bearing temperature.an increase in temperature of 15°C (ambient or internal in bearings), will reduce the greasing interval and bearing lifetime by 50%.
  • Page 26 6 Technical data Relubrication interval 50 Hz (3000 rpm)/Relubrication interval 60 Hz (3600 rpm). (Vendor) quantity in Drive End/quantity in Non Drive End. Table 1. Sterling Nema motors Motor RPM Frame Type of service VS. HP Standard Heavy duty 8 hrs/day 24 hrs/day 143T - 286TS 1.5 - 30...

  • Page 27: 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 LKHP Filtration Centrifugal Pump for High Inlet Pressure 2a 18 15a+b 17 28 46a+b TD 252-047...

  • Page 28: 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 29 7 Parts list and service kits The drawing shows the LKHPF pump. The items refer to the parts lists in the following sections Parts list Pos. Denomination Washer Cap nut Cap nut Cap nut Washer Washer Washer Back plate Impeller Impeller for impeller screw Impeller screw ♦...

  • Page 30: Lkhpf - Mortor 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 - Mortor dependent parts...
  • Page 31 7 Parts list and service kits The drawing shows the LKHPF pump. The items refer to the parts lists in the following sections Parts list Pos. Denomination Motor Edge list (Included in pos. 2) Shroud Screw Distance sleeve Washer for adaptor Nut for adaptor Shaft Connex pin...

  • Page 32: 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 33 7 Parts list and service kits The drawing shows the LKHPF pump. The items refer to the parts lists in the following sections Parts list Pos. Denomination ♦ Shaft seal complete Shaft seal complete Seal housing for flushed seal Screw Fittings Lip seal O-ring...
  • Page 34 7 Parts list and service kits The drawing shows the LKHPF pump. The items refer to the parts lists in the following sections LKHPF -70 9611-92-2958 = Pos. 21, 22, 23, 24, 25, 26 and 27. TD900599/0...
  • Page 36 © 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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