LEISTRITZ PUMPS

Leistritz is one of the pioneers in the field of screw pumps. We have been developing and producing our products since 1924 and have the most comprehensive production program in this field today. Let us know your pumping task and we will have the suitable solution for you – this is the credo we live by every single day. With the modular structure of our ranges and our application expertise, we offer our customers an economical and efficient solution for their pumping tasks. Leistritz screw pumps are at the heart of a wide variety of applications and processes, and can be used in virtually all industry sectors. Modern quality and environmental management systems, the latest development tools and perfection in production engineering ensure our high quality standards.

LEISTRITZ FLEXCORE

DESCRIPTION

Flexible and powerful – this is our new screw pump innovation FLEXCORE. Not only can it be installed in various existing piping system, it also impresses with a broad application range. For the start of the new pump series we introduce the FLEXCORE 25 and FLEXCORE 32 with flow rates from 7 l/min to 50 l/min and from 15 l/min to 100 l/min.

FLEXCORE FACTS

>> Steel casing, hardened spindle set
>> FLEXCORE cartridge unit
>> Flange connections: DIN, ASME or SAE
>> One pump casing for two different cartridge units (FLEXCORE 25 & FLEXCORE 32)

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L2 SCREW PUMPS

DESCRIPTION

Leistritz screw pumps in the L2 range are twin-screw, single-volute, self-priming positive displacement pumps for the low-pressure range. They are used to pump slightly aggressive, slightly abrasive, low to high-viscosity fluids with good to poor lubrication properties.

USER BENEFITS

>> High efficiency
>> Low operating costs
>> Only one shaft seal
>> Low-maintenance
>> Suitable for short dry runs
>> Maximum process reliability
>> Radial bearing brushes
>> Long service life

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L3 SCREW PUMPS

DESCRIPTION

Leistritz screw pumps in the L3 range are three-spindle, single-volute, self-priming displacement pumps. They are used to transport non-abrasive lubricating fluids.

USER BENEFITS

>> Fewer pump components
>> Cost-effective
>> High efficiency
>> Low operating costs
>> No rotor axial thrust
>> Low bearing load
>> Impervious to aeration
>> Quiet, minimal vibration

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L4 SCREW PUMPS

DESCRIPTION

Leistritz screw pumps in the L4 range are twin-screw, double-volute, self-priming positive displacement pumps. They are used to pump aggressive / non-aggressive, abrasive / non-abrasive low to high-viscosity fluids with lubrication / non-lubrication properties.

USER BENEFITS

>> Spindles (shaft/rotors) manufactured in one piece
>> Low rotor deflection and non-contacting design
>> Arrow-toothed gears
>> Reduced noise level and low-maintenance
>> Replaceable insert
>> Low-maintenance
>> Special spindle geometry
>> Minimized pulsation and optimized NPSH value
>> Wide range of shaft seals
>> Customer-specific seals (single-acting, double-acting, API plans)

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L5 SCREW PUMPS

DESCRIPTION

Leistritz screw pumps in the L5 range are five-screw, single-volute, self-priming displacement pumps for low-pressure duty, suitable for transport of aggressive, light abrasive, low or high-viscosity fluids with good or poor lubricity.

USER BENEFITS

>> Low axial flow velocity
>> Very good priming
>> High efficiency
>> Low operating costs
>> Only one shaft seal
>> Low-maintenance
>> Axially balanced rotors
>> No axial forces to bearings

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FLUID PUMP SYSTEMS

DESCRIPTION

Leistritz manufactures more than just individual pumps. In addition to the standard pump units in which screw pumps and the drive are mounted on a base plate, Leistritz also supplies complete pump systems for various fluid applications. They include, among other things, variable speed drives, sealing oil systems, external lubrication systems, instrumentation- and control systems.

EXAMPLE OF A PUMP SYSTEM

>> Mobile crude oil transfer pump
>> L4 range
>> 700 kW large diesel unit with exhaust gas line
>> Integrated control system

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