PROPUMP LF Series

High Head Low Flow Process Pump

PROPUMP LF Series is specifically engineered for low-flow, high-head process applications where stable hydraulic performance and precise flow control are critical. Designed for demanding chemical and industrial services, the LF Series delivers reliable operation, excellent efficiency, and long service life while handling challenging process conditions.

The specialized hydraulic design provides smooth operation at low flow rates while maintaining high discharge pressures, making it ideal for process transfer, reactor feed, boiler feed, and high-pressure circulation services.

Performance Range

• Capacity up to 50 m³/h
• Head up to 282 m
• Operating temperature up to 371°C
• Maximum working pressure up to 31 bar
• Available for 50 Hz and 60 Hz operation

Key Features

Optimized Low Flow Hydraulic Design

• Engineered for low-capacity, high-head applications
• Stable operation across a wide operating range
• Reduced internal recirculation
• Improved efficiency under low-flow conditions

Heavy-Duty Concentric Casing

• Robust casing construction
• Uniform hydraulic loading
• Reduced vibration levels
• Improved mechanical reliability

Precision Radial Vane Impeller

• Designed for accurate flow control
• Consistent pressure generation
• Stable hydraulic performance
• Suitable for continuous-duty service

Advanced Seal Chamber Design

• Enlarged seal chamber configuration
• Improved seal cooling and lubrication
• Supports a variety of mechanical seal arrangements
• Enhanced seal reliability and service life

Heavy-Duty Bearing Housing

• Premium bearing support system
• Reduced shaft deflection
• Improved rotor stability
• Extended bearing life

Ease of Maintenance

Back Pull-Out Construction

• Rotating assembly removable without disturbing piping
• Faster maintenance procedures
• Reduced downtime

External Impeller Adjustment

• Simplified performance adjustment
• Easy maintenance access
• Improved operating efficiency

Retrofit-Friendly Design

• Suitable for replacement and upgrade projects
• Reduced installation modifications
• Simplified maintenance and spare parts management

Safety & Reliability

• Heavy-duty coupling protection available
• Factory pressure-tested pressure-containing components
• Raised-face flange connections
• Robust structural support system
• Designed for continuous industrial service

Typical Applications

Chemical Processing

• Specialty chemical transfer
• Batch process operations
• Chemical dosing systems

Reactor Services

• Reactor feed systems
• Process circulation
• High-pressure transfer duties

Utility Systems

• Boiler feed water
• Condensate recovery
• Seal water circulation

Refining & Petrochemical

• Column reflux services
• Column bottoms transfer
• High-pressure process circulation

Thermal Fluid Systems

• Hot oil circulation
• Heat transfer systems
• Thermal process services

PROPUMP Advantages

• Designed specifically for low-flow, high-head applications
• Reliable operation under demanding process conditions
• Reduced maintenance requirements
• Long service life and low lifecycle cost
• Flexible installation and retrofit capability
• Comprehensive technical support and spare parts availability
• Suitable for chemical, petrochemical, utility, and industrial process services