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...
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...
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1 Declarations of Conformity Name plate position See marking options in chapter 2.3 Special conditions for safe use , table A.
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...
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.
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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...
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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...
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.
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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:...
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.
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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.
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.
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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.
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.
- 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.
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.
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...
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!
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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...
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...
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!
(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.
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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...
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).
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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.
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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...
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!
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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).
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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.
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.
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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.
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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.
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.
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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...
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.
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...
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)
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%.
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.
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...
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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...
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...
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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...
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...
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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 �...
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