Leistritz product range

Product catalog summary

Overview of Leistritz Screw Pumps
Leistritz screw pumps are engineered to provide advantages such as low-pulsation fluid pumping, minimal vibration and noise, high flow rates, and the capability to handle a wide range of viscosities. They are recognized for their low-wear operation and extended service life.

Pump Specifications
The pumps are classified by pressure levels: low (N), medium (M), high (H), and ultra-high (U). They offer flow rates from 25 m³/h to 5,000 m³/h and can manage pressures up to 280 bar (4,061 psi).

Product Range
Leistritz provides various screw pumps:

L2 Series: Twin screw pumps for low pressure, suitable for slightly abrasive and corrosive fluids.
L3 Series: Triple screw pumps for low to high pressure, designed for non-abrasive lubricating fluids.
L4 Series: Twin screw, double volute pumps for a range of pressures, suitable for various fluid types.
L5 Series: Five screw pumps for low pressure, ideal for slightly abrasive and corrosive fluids.

Applications
These pumps are utilized in industries such as oil & gas, shipbuilding, chemicals, petrochemicals, power & energy, and general industry. They are applicable for blending, cooling/circulating, hydraulic operations, main lube oil transfer, and loading/unloading.

Key Features and Benefits
Leistritz pumps are designed for high efficiency and low operating costs, featuring axially balanced rotors, single shaft seals for easy maintenance, and resistance to aeration, resulting in low noise and vibration. They are available in sealless designs with magnetic drives and can be configured as semi-submersible.

Leistritz Pump Technology
Leistritz has been a pioneer in screw pump technology since 1924, offering a wide range of products and solutions tailored to specific customer needs across various industries.

Overview of Pump Systems
Leistritz pump systems are versatile, suitable for applications like crude oil boosting and multiphase applications. They include advanced features such as variable speed drives, external lubrication, and filtration systems.

Key Features of Pump Systems

Multiphase pump with single or double acting mechanical seals.
Customized liquid management system and skid type baseplate.
Powered by electric motors, combustion engines, or gas/diesel engines.
Flexible all-metal coupling with non-sparking guard.
On-skid instrumentation and piping with various valves and filters.
Lube and seal oil systems, variable speed drives, and PLC systems.
Remote control systems and installation containers for equipment.

Performance Data

Flow rate: Up to 1,700 m³/h (7,500 GPM).
Differential pressure: Up to 10 bar (145 psi).
Viscosity: Up to 100,000 cSt.
Pumping temperature: Up to 280°C (536°F).

Global Presence
Leistritz has a global presence with offices in India, Italy, Singapore, UAE, USA, Germany, and China, ensuring worldwide availability and support.

Catalog excerpts

SCREW PUMP PROGRAM Screw Pumps & Systems

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↗ Business division and design ↗ Pump overview ↗ Product PUMP OVERVIEW For various pressure and flow rates PUMP TECHNOLOGY Ultra High pressure: U High pressure: H we offer a tailor-made solution for our customers‘ requirements! Leistritz is the first address when it comes to the application of screw pumps. After all, the company, with its headquarters in Nuremberg, is one of the pioneers in the field of screw pumps: 90 years ago, it was Paul Leistritz, who used the twin screw pump for the first time to pump lube oil for steam turbine bearings. What started out small in 1924 is now a globally...

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AT HOME IN MANY INDUSTRIESCustomized solutions for various applications» Screw pumps by Leistritz can be found in numerous bra We offer our customers tailor-made solutions for the re requirements - ranging from the individual pump to th f industry. market ete system.« Series Series Series Series Series Series Series 4 LEISTRITZ PUMP TECHNOLOGY 5

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↗ L3N - low pressure User advantages Radial slight bearings → long service life High efficiency → low operating costs Axially balanced rotors → no axial forces to bearings Low axial flow velocity → excellent priming Only one shaft seal → easy maintenance, low costs Limited dry running capability → maximized process safety Resistant against aeration → low noise, minimized vibration Availability of sealless design by magnetic drive Semi submersible pump design available User advantages Leistritz screw pumps of the L2NG/NT series are twin screw, single volute, self-priming, positive displacement...

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↗ L3 - API pump User advantages ↗ High efficiency → low operating costs ↗ Interchangeable casing insert (MG) → easy maintenance ↗ Axially balanced rotors → no axial forces to bearings ↗ Only one shaft seal → easy maintenance, low costs ↗ Availability of sealless design by magnetic drive ↗ Semi submersible pump design available ↗ Resistant against aeration → low noise, minimized vibration ↗ Simple design → reasonable price User advantages ↗ Class 300 ANSI flange adaptors: designed for the flange loads according to API standards ↗ Steel liner: Fully complies with the requirements of the API 676...

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7 L3 - very high pressure rL3HF/L3HG User advantages ^ High efficiency ^ low operating costs ^ Interchangeable casing insert (HG) ^ easy maintenance ^ Axially balanced rotors ^ no axial forces to bearings ^ Only one shaft seal ^ easy maintenance, low costs ^ Availability of sealless design by magnetic drive ^ Semi submersible pump design available ^ Resistant against aeration ^ low noise, minimized vibration ^ Simple design ^ reasonable price General use Leistritz screw pumps of the L3HF/HG series are triple screw, single volute, self-priming, positive displacement pumps for high pressure duty,...

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7 L4 - compact pump L4NG/MG/HG User advantages ^ Rotors (screws and shafts) made out of a single piece of bar stock ^ limited shaft deflection ^ Low bearing loads ^ Gear designs with helical gear teeth ^ Reduced noise level ^ easy maintenance ^ Interchangeable liner ^ easy maintenance, low costs ^ Special rotor design available ^ minimized pulsation ^ Optimized NPSHR ^ Low axial flow velocity ^ excellent priming ^ Axially balanced rotors ^ no axial forces to bearings ^ Suitable for dry running ^ maximized process safety L4NC General use Leistritz screw pumps of the L4 series are twin screw, double...

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7 LPS - Leistritz Pumping Systems L5NG/NT User advantages 7 High efficiency ^ low operating costs 7 Radial slight bearings ^ long service life 7 Axially balanced rotors ^ no axial forces to bearings 7 Low axial flow velocity ^ excellent priming 7 Limited dry running capability ^ maximized process safety 7 Only one shaft seal -> easy maintenance, low costs 7 Resistant against aeration -> low noise, minimized vibration 7 Semi submersible pump design available General use Leistritz screw pumps of the L5NG/NT series are five screw, single volute, self-priming, positive displacement pumps for low...

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PUMP TECHNOLOGY Available for you all over the world Leistritz Advanced Technologies Corp., Allendale Headquarters Leistritz Pumpen GmbH, Nuremberg Leistritz Machinery (Taicang), Co., Ltd., Taicang UNITED ARAB EMIRATES Leistritz Italia srl., Milan Leistritz Middle East FZE, Dubai Leistritz India Ltd., Chennai ↗ Leistritz Pumpen GmbH | Markgrafenstrasse 36-39 | D 90459 Nuremberg | Germany

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All Leistritz Pumpen GmbH catalogs and technical brochures

Archived catalogs

Leistritz Pump Technology: Flexcore Series Flyer
2 Pages