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Alfa Laval Centrifugal Pumps: LKH Prime UltraPure Pump

Alfa Laval LKH Prime UltraPure is a quiet-running, high-purity pump that meets the needs of the pharmaceutical industry for liquids containing air/gas such as CIP fluids.

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LKH Prime UltraPure

Certified to EHEDG and authorized to carry the 3-A symbol, this versatile pump's air-screw technology is suitable for CIP (cleaning-in-place), SIP (sterilization-in-place) and manual cleaning.

The air-screw is made from a solid bar without welds to give a smooth, porous-free finish. This helps ensure the highest levels of hygiene and repeatability and reduces contamination risk. The pump has a pharma-grade SiC mechanical seal without leachables, specially designed for CIP return applications containing
air/gas and liquid mixture. The long seal life and lack of contamination increase productivity and yield.

Discover LKH Prime UltraPure
A further addition to the market leading Alfa Laval LKH pump platform, Alfa Laval LKH Prime UltraPure is characterized by superior performance, high quality and reliability for improved operational productivity. The Alfa Laval LKH Prime UltraPure, part of the UltraPure portfolio for the most demanding of Pharmaceutical applications delivering equipment of high performance, reliability, security and process sustainability.

Ensuring a long working life
Product wetted components have surface finishes down to RA ²0.4µm to reduce risk of contamination and to increase yield.

The impeller's balance holes generate excellent process fluid circulation in the shaft seal area and help reduce axial force and wear on the shaft seal and motor bearings. The design also provides high flow around the pump, especially behind the impeller near the shaft seal, which contributes to easy cleaning and enhanced lubrication/cooling of the shaft seal for longer life.

Total peace of mind with complete documentation for validation
All equipment and components in the Alfa Laval UltraPure portfolio are supplied with Alfa Laval Q-doc, a comprehensive documentation package that provides full transparency of the entire supply chain, from raw material to final equipment delivery. This smoothes purchasing and installation procedures as well as facilitates qualification, validation and change control procedures. Based on GDP (Good Documentation Practice), Alfa Laval Q-doc covers every aspect of UltraPure equipment supply and provides customers with transparent and well-documented quality assurance of the sourced equipment.

The Q-doc package for comprises performance tests, material certificates, traceability of product wetted parts and the necessary parts and service information.This attention to detail maximizes uptime and minimizes risk.


  • Low noise level and high pumping efficiency ideal for tank emptying and CIP return applications
  • Very low risk of process contamination - hygienic design, FDA-conforming materials and pre-defined compression USP class VI elastomers
  • Energy and cleaning efficient - precise hydraulic design cuts energy costs and CO2/waste chemical emissions to boost yields and sustainability
  • Maximized uptime and reduced maintenance costs Ð robust mechanical design and ease of maintenance with modular front-loading seals
  • Reduced capital investment - designed for CIP duties containing entrained air but can also pump product reducing need for additional pump
  • Quiet operation compared with other technologies providing a safe working environment for plant operators

    • Impeller with reduced diameter
    • Motor with increased safety/flame proof motor
    • Double mechanical shaft seal
    • Product wetted surface finish Ra ² 0.8 µm; Ra ² 0.5 µm or electropolished to Ra ² 0.4 _m.
    • Product wetted elastomers Fluorinated rubber (FPM) or EPDM
    • 1/2" tri-clamp drain connections (two connections)
    • No drain
    • 0º outlet position
    • Hydrostatic testing with certificate.

    At Liquidyne, we prioritize our commitment to quality and consistency. In 2017 we achieved ISO 9001:2015 Quality Management System certification to ensure we can repeatedly deliver consistently high-quality products and solutions. Being an ISO 9001 facility, together with our USP Class VI Testing, ASME Bioprocessing Equipment (BPE), and EHEDG certification guarantee, we have the methodologies to assure quality. We will quickly and accurately rectify any issues if any of our products are ever in non-conformance.

    img ‰ files/iso-badge-01_2x_e1ed56ea-2c17-4f97-81f1-7b766c23f2a7.png ¶ url ‰ iso-certificate ¶ cta ‰ View Certificate ¶ txt ‰ At Liquidyne, we prioritize our commitment to quality and consistency. In 2017 we achieved ISO 9001:2015 Quality Management System certification to ensure we can repeatedly deliver consistently high-quality products and solutions. Being an ISO 9001 facility, together with our USP Class VI Testing, ASME Bioprocessing Equipment (BPE), and EHEDG certification guarantee, we have the methodologies to assure quality. We will quickly and accurately rectify any issues if any of our products are ever in non-conformance. ¶
    Testimonial from Process Development Manager

    "Thanks so much! What a quick turn around. It is a pleasure working with Liquidyne."

    Process Development Manager

    Testimonial from Vice President, Analytical Development and Manufacturing

    "I received the cart yesterday, thanks for the fast delivery! It feels sturdy. I sat on it. It does not bounce. It is also easy to clean and wipe or wash down."

    Vice President, Analytical Development and Manufacturing

    Testimonial from Chemical Engineer

    "Thanks again for reacting so quickly and meeting me halfway with the element. We will be able to get installed and have things keep moving overnight with the night crew. The little things like this are always greatly appreciated when working with Liquidyne."

    Chemical Engineer

    Testimonial from VP Antibody Manufacturing

    “This pump cut our processing time from 3 days to 1 shift. I’m not giving this pump back. You will have to come and get it if you want it... and that won’t likely happen.”

    VP Antibody Manufacturing

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