Expert Engineering Solutions | 20+ Years of Manufacturing Excellence from China
Global Leader in Industrial Pump Manufacturing
As a leading manufacturer and exporter of water pumps in China, FILIPUSI (FLPS) has dedicated over three decades to perfecting fluid dynamics. Our multistage centrifugal range is specifically engineered to handle the high-pressure demands of modern industrial infrastructure, from power plants to municipal water networks.
Energy Efficiency: Integrated VFD and PLC intelligent control systems reduce energy consumption by up to 40%.
Advanced Metallurgy: Choose from durable Cast Iron, SS304, or SS316 Stainless Steel to suit your chemical reagents and clean water needs.
Low NPSH Performance: Optimized hydraulic designs minimize vibration and prevent cavitation in high-temperature loops.
High-Pressure Vertical Multistage Series
Technical Specifications
Technical Parameters
Standard Range
Custom Options (OEM)
Flow Rate (Q)
Up to 1350 m³/h
Available upon request
Head (H)
Up to 1800 Meters
Custom engineering support
Operating Temperature
-20°C to +250°C
High-temperature metallurgy
Material Grade
SS304 / SS316 / Cast Iron
Duplex Stainless Steel
Versatile Industrial Applications
Boiler Feed Systems
Our vertical multistage pumps are specifically engineered for the demanding conditions of industrial steam boilers and power plant boiler feed systems. They can handle high-temperature fluids up to 120°C with continuous, high-pressure stability.
Reverse Osmosis
Perfect for water treatment and desalination processes requiring stable high-pressure dynamics.
Proven Expertise & Quality Assurance
FILIPUSI is not just a supplier; we are your engineering partner. Our participation in international events like Flowtech China (Shanghai) underscores our commitment to global standards. Every pump undergoes rigorous testing in our production workshops to ensure stability in demanding flow systems.
Frequently Asked Questions About Boiler Feed Multistage Pumps
Q1: Why is a multistage centrifugal pump preferred for boiler feed applications?
A: Industrial steam boilers operate under extremely high internal drum pressures. A standard single-stage pump cannot generate enough head pressure to inject water into the boiler. A multistage centrifugal pump utilizes multiple impellers arranged in series; each stage increases the fluid pressure incrementally, allowing the pump to easily overcome backpressure and deliver steady water supply up to 800 meters of head.
Q2: How does a low NPSH rating benefit high-temperature boiler feed systems?
A: Boiler feed water is typically very hot (often exceeding 100°C), which significantly increases the risk of fluid flashing into vapor, causing pump cavitation. Cavitation destroys impellers and ruins mechanical seals. FILIPUSI vertical multistage pumps feature an optimized hydraulic design with a low NPSH (Net Positive Suction Head) requirement, preventing cavitation, reducing vibration, and extending the operational lifespan in high-temperature loops.
Q3: Can your boiler feed pumps handle corrosive water treatment chemicals?
A: Yes. Depending on your water quality and RO (Reverse Osmosis) pre-treatment setup, we offer advanced metallurgy options. While standard ranges use durable Cast Iron, we provide custom SS304, SS316 stainless steel, and Duplex Stainless Steel configurations to resist corrosion from aggressive demineralized water and chemical agents.
Q4: Do you offer VFD and PLC integration for energy-saving boiler control?
A: Absolutely. Boiler steam loads fluctuate constantly. Running a pump at fixed full speed wastes immense energy. We provide smart VFD (Variable Frequency Drive) and PLC intelligent control systems that automatically adjust the motor speed based on real-time pressure demands, reducing operational energy consumption by up to 40% and protecting the motor from hard starts.
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