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LKHex Pumps

LKHex Centrifugal
Pump Overview

The Alfa Laval LKHex Centrifugal Pump is a premium pump for use in hygienic applications which must meet ATEX directive 2014/34/EU group II, category 2G, temperature class T3 and T4 requirements. 

Its precision engineering, optimised design, premium motor, tight tolerances and advanced impeller design mean the LKHex pump minimises recirculation and delivers greater energy efficiency than similar pumps.

LKHex Product
Centrigual Pump benefits

Alfa Laval LKHex Centrifugal
Pump Benefits

The LKHex is specially engineered to be used in potentially explosive environments and conforms to the provisions of the ATEX directive 2014/34/EU group II, category 2G, temperature class T3 and T4.

LKHex Pump Technical Data

Materials

Product wetted steel parts: W. 1.4404 (316L)
Other steel parts: Stainless steel
Inside surface finish: Standard blasted
Product wetted elastomers: EPDM
Rotary seal face: Carbon
Stationary seal face: Silicon Carbide 

Motor

Foot-flanged ATEX approved motor according to the IEC metric standard, 2 poles = 3000/3600 rpm. at 50/60 Hz

Motor Sizes

50Hz: 1.5 – 75 kW
60Hz: 1.5 – 75 kW 

LKHex 1

Download the Full
Specification Sheet

How the LKHex Centrifugal Pump Works

The LKHex is engineered for use in potentially explosive environments and is available in 10 sizes to handle capacities up to 250 m3/h and differential pressures up to 11 bar at 50 Hz
Pump Range



Engineered for use in potentially explosive environments, the LKHex is available in following sizes, LKHex-10, -15, -20, -25, -35, -40, -45, -50, -60, -70 and conforms to the provisions of ATEX directive 94/9/EC Group II, Categories 2 and 3. Performance data is equal to the performance of the LKH pump.

Unique Impeller Design
2 Unique Impeller Design
The semi-open impeller with a special vane design ensures particularly low NPSHr (Net Positive Suction Head required). This helps prevent cavitation and minimises the risk of mechanical damage.

Balance holes in the impeller enhance circulation around the shaft seal and reduce axial forces. This minimises wear on the shaft seal and motor bearings.
External Shaft Seal
4 Optimised Shaft Seal

As standard, the LKHex pump is equipped with a single mechanical shaft seal, but is also available with a double mechanical shaft seal. The front-loading shaft seal, with the spring and washers mounted on the atmospheric side, makes maintenance fast, easy and inexpensive. It takes just a few minutes to replace the shaft seal. In addition, the balanced design minimises the risk of seal opening during unforeseen pressure shock.
Compression Couplings
LKHPF CC AI


A compression coupling securely attaches the stub shaft to the motor shaft with precision alignment, and the semi-open impeller with a special vane design ensures efficient and gentle handling of the product as it moves through the pump.

LKHex Centrifugal Pump Product Documents

LKHex Centrifugal
Pump Product Leaflet

Datasheet
Instruction

LKHex Centrifugal
Pump Instruction Manual

Recent Success Story

Alfa Laval LKH Pumps Reduce Energy Costs, Downtime and Emissions
 

Energy-efficient pumps cut this Danish dairy’s energy consumption by 20% while improving uptime and reducing emissions.

Extend the performance of your Pumps

LKHex Centrifugal Pump
Servicing & Maintenance

Our dedicated servicing and maintenance team can provide the parts and expertise you need to ensure uptime and maximise operational efficiency.
The LKHex centrifugal pump is designed for a wide range of duties across the dairy, food, beverage, personal care, biotechnology and pharmaceutical industries.

Related Industries

Boost hygiene while reducing energy and water use. Alfa Laval’s range of processing solutions can help you improve yield and drive greater efficiency. 

The LKHex centrifugal pump is suitable for transferring low-viscosity products in ATEX environments, ensuring safe and efficient operation in distilling applications.

inTank has a long history of supplying process equipment to both small local producers and global breweries. Alfa Laval’s solutions bring out the best in your beer and brewery.

Enquire About LKHex Pumps

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