Editorial Technical Reference

Centrifugal Pump

This page explains how Centrifugal Pump is classified within Machinery and Equipment Manufacturing. Technical values and manufacturer relationships are research references; confirm the current specification and supplier evidence for each order.

Technical Definition & Core Assembly

A mechanical device that uses centrifugal force to move fluids through a CIP cleaning system

Representative product image. Confirm appearance and specifications with the manufacturer.

Product Specifications

Technical details and manufacturing context for Centrifugal Pump

Definition
A centrifugal pump is a critical component within a CIP (Clean-in-Place) Cleaning Module that generates fluid flow and pressure to circulate cleaning solutions through process equipment pipelines, tanks, and vessels without disassembly. It enables efficient chemical distribution and mechanical action for removing soil, residues, and contaminants during cleaning cycles. The pump operates by converting rotational mechanical energy from an electric motor into kinetic energy in the fluid. As the impeller rotates, it creates centrifugal force that accelerates fluid outward from the center, increasing pressure and velocity. This pressure differential forces fluid through the discharge port and into the CIP system piping. The pump is typically constructed with materials such as stainless steel (316L) or cast iron, and includes mechanical seals to prevent leakage. Key parameters for selection include flow rate (1–100 m³/h), head (5–80 m), operating pressure (1.0–1.6 MPa), temperature range (-20–120 °C), motor power (0.75–30 kW), voltage (220–480 V AC), frequency (50–60 Hz), ingress protection (IP54–IP65), material (316L), and weight (20–150 kg). These values are reference ranges and must be verified against the specific model and application. Standards such as ISO 9906, IEC 60034, IEC 60038, IEC 60529, and ASTM A240 are referenced for testing and verification, but do not imply certification. The pump's performance must be matched to the system's duty point, and proper installation and maintenance are essential for reliable operation. Regular inspection of seals and impeller wear is recommended to prevent failures. Always consult the manufacturer or supplier for model-specific data and compliance.
Working Principle
The pump converts rotational mechanical energy from an electric motor into kinetic energy in the fluid. As the impeller rotates, it creates centrifugal force that accelerates fluid outward from the center, increasing pressure and velocity. This pressure differential forces fluid through the discharge port and into the CIP system piping.
Common Materials
Stainless Steel (316L), Cast Iron, Mechanical Seal Materials
Technical Parameters
ParameterTypical rangeNotes & selection driver
Flow Rate1–100 m³/hSelect based on system demandISO 9906
Head5–80 mDetermines pressure capabilityISO 9906
Operating Pressure1.0–1.6 MPa
Temperature Range-20–120 °CSeal and material limits
Motor Power0.75–30 kWMatch to duty pointIEC 60034
Voltage220–480 V ACThree-phase typicalIEC 60038
Frequency50–60 HzCheck motor compatibilityIEC 60038
Ingress ProtectionIP54–IP65Higher for washdown areasIEC 60529
Material316LCorrosion resistance for CIPASTM A240
Weight20–150 kgAffects installation and support

Ranges are indicative industry figures for RFQ preparation, not a supplier commitment. Confirm every value and standard with the legal manufacturer before ordering.

Components / BOM
  • Impeller
    Rotating component that imparts kinetic energy to the fluid
    Material: Stainless Steel
  • Casing Part
    Encloses the impeller and directs fluid flow
    Material: Stainless Steel
  • Shaft Part
    Transmits torque from motor to impeller
    Material: Stainless Steel
  • Mechanical Seal
    Prevents fluid leakage along the shaft
    Material: Carbon/Ceramic/Elastomer

Applied To / Applications

This component is essential for the following industrial systems and equipment:

Industrial Ecosystem & Supply Chain Structure

Complementary Systems
Downstream Applications
Specialized Tooling

Application Fit & Sizing Matrix

Operational Limits
pressure: Up to 16 bar discharge pressure
flow rate: 5-500 m³/h
temperature: -20°C to 120°C
slurry concentration: Up to 20% solids by weight
Media Compatibility
✓ Water-based CIP solutions ✓ Mild chemical cleaning agents ✓ Food-grade sanitizers
Unsuitable: Highly abrasive slurries with sharp particles
Sizing Data Required
  • Required flow rate (m³/h)
  • Total dynamic head (m)
  • Fluid viscosity and specific gravity

Reliability & Engineering Risk Analysis

Failure Mode & Root Cause
Cavitation
Cause: Insufficient Net Positive Suction Head (NPSH) leading to vapor bubble formation and collapse, causing pitting and vibration.
Bearing failure
Cause: Inadequate lubrication, contamination, misalignment, or excessive loading leading to overheating and seizure.
Maintenance Indicators
  • Excessive vibration or unusual noise (grinding, knocking) from the pump housing
  • Visible fluid leakage at seals or casing joints, or sudden pressure/flow fluctuations
Engineering Tips
  • Ensure proper NPSH margin by maintaining adequate suction pressure and minimizing pipe friction losses through clean strainers and proper piping design.
  • Implement precision alignment during installation, use condition monitoring (vibration analysis, temperature checks), and follow strict lubrication schedules with clean, appropriate lubricants.

Indicative industry ranges for design and RFQ preparation. Confirm the exact figures and applicable standard with the manufacturer before specifying.

Compliance & Manufacturing Standards

Applicable Standards
ISO 5199:2002 - Technical specifications for centrifugal pumps ANSI/HI 1.1-1.6 - American National Standard for centrifugal pumps DIN EN ISO 9906:2012 - Rotodynamic pumps - Hydraulic performance acceptance tests

Quoted from the published standard.

Manufacturing Precision
  • Impeller diameter: +/-0.05mm
  • Shaft runout: 0.02mm maximum
Quality Inspection
  • Hydrostatic pressure test
  • Vibration analysis test

Manufacturers of Centrifugal Pump

12 companies list this product among what they make. Company figures are quoted from each company's own website; every card states where the relationship came from.

RMC Foundry (Qingdao Rinborn Machinery Co., Ltd)
Qingdao, Shandong, CN
Founded 1999
ISO 9001
Managed by the manufacturer
Listed on the company's own website
China Sanitary Valve
Zhejiang, CN
Founded 200251~100 staff5,000-10,000 square meters
ISO9001 ASME CE Test Report
Listed on the company's own website · profile compiled by CNFX from public sources
GN Solids Control
Tangshan, Hebei, CN
Founded 2008200-500 staff20,000 m²
ISO 9001:2015
Listed on the company's own website · profile compiled by CNFX from public sources
Hebei Kingwell Machinery Co., Ltd.
Hebei, CN
API ISO GOST
Listed on the company's own website · profile compiled by CNFX from public sources
Jianen Sanitary
Wenzhou, Zhejiang, CN
Founded 2009
3A CE ISO9001 SGS
Listed on the company's own website · profile compiled by CNFX from public sources
Milestone Engineering & Manufacturing Co.,Ltd.
Hebei, CN
Founded 2006more than 200 workers staff
Listed on the company's own website · profile compiled by CNFX from public sources
Shandong Huaquan Power Co., Ltd.
Weifang, Shandong, CN
42,000 m²
ISO CE
Also makes: Water Pump, Diesel Engine, High-Pressure Pump and 8 more
Listed on the company's own website · profile compiled by CNFX from public sources
Shijiazhuang Chongmu Fluid Machine Co., Ltd.
Hebei, CN
Also makes: Water Pump, Pump Motor, Industrial Pumps and 1 more
Listed on the company's own website · profile compiled by CNFX from public sources
Sunthai Extractor
Zhejiang, CN
200-500 staff20,000 m²
ISO 9001:2015
Listed on the company's own website · profile compiled by CNFX from public sources
VIGOR INNO-TECH Limited
Shaanxi, CN
Founded 2007
Also makes: CNC Machined Part, Steel Ingots, Gear Reducer and 8 more
Listed on the company's own website · profile compiled by CNFX from public sources
Wenzhou Deyi Machinery
Wenzhou, Zhejiang, CN
Listed on the company's own website · profile compiled by CNFX from public sources
Xi'an Brightway Energy Machinery Equipment Co., Ltd.
Shaanxi, CN
Founded 2012
API ISO CE IADC
Listed on the company's own website · profile compiled by CNFX from public sources
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Manufacturer listings support early research and capability understanding. They are not certification, ranking, or transaction guarantees.

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Frequently Asked Questions

What is the typical flow rate range for a centrifugal pump in a CIP system?

The flow rate range is 1–100 m³/h, but the actual required flow depends on the system's demand, such as pipe diameter, tank size, and cleaning nozzle requirements. Always select a pump that matches the duty point of your specific CIP application.

What materials are commonly used for CIP centrifugal pumps?

Common materials include stainless steel (316L) for corrosion resistance and cast iron for less demanding applications. Mechanical seal materials are also important for preventing leaks. The choice depends on the cleaning chemicals and temperatures involved.

What standards apply to centrifugal pumps for CIP?

Relevant standards include ISO 9906 for hydraulic performance testing, IEC 60034 for motors, IEC 60038 for voltage and frequency, IEC 60529 for ingress protection, and ASTM A240 for stainless steel. These standards serve as references for verification, but do not guarantee compliance unless certified.

How do I determine the required motor power for a CIP pump?

Motor power depends on the flow rate, head, and fluid properties. The reference range is 0.75–30 kW. Calculate the hydraulic power required and add safety margins for efficiency and viscosity. Consult the pump manufacturer for accurate sizing.

Data Basis

Editorial classification, named public sources where available, and source-reviewed manufacturer records.

Preliminary Technical Classification
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