Cooling Water Pump

Product Specifications

Technical details and manufacturing context for Cooling Water Pump

Definition

The Cooling Water Pump is a component of an industrial cooling water system. Its function is to generate the flow and pressure needed to circulate cooling water through heat exchangers, condensers, or other heat transfer equipment. By maintaining consistent water circulation, it supports efficient heat removal from machinery, processes, or building systems. The pump is typically driven by an electric motor that turns an impeller, creating centrifugal force. Water is drawn in through the suction inlet and discharged at higher pressure through the outlet, enabling continuous circulation through the cooling loop. The pump is available with a range of specifications that must be selected based on the specific cooling load and system resistance. Key parameters include flow rate (15–60 m³/h), head (20–50 m), operating pressure (1.0–1.6 MPa), motor power (5.5–22 kW), voltage (380–690 V), frequency (50–60 Hz), operating temperature (-20 to 80 °C), IP rating (IP54–IP65), impeller material (CF8M–CD4MCu), casing material (HT250–CF8M), shaft seal (Burgmann–John Crane), and weight (150–450 kg). These values are reference ranges and must be confirmed for the actual model and application. The pump is manufactured from materials such as cast iron, stainless steel, and bronze. Relevant standards for verification include ISO 9906 for hydraulic performance, IEC 60034 for motor performance, IEC 60038 for voltage and frequency, ISO 2858 for dimensional and operating temperature, IEC 60529 for ingress protection, ASTM A351 and ASTM A48 for material grades, and API 682 for shaft seals. These standards serve as procurement references and do not imply certification of any specific product. Always verify model-specific values and standards with the legal manufacturer or supplier.

Working Principle

The pump operates on the centrifugal principle. An electric motor drives an impeller that rotates at high speed, creating a low-pressure zone at the impeller eye. This draws cooling water into the suction inlet. The rotating impeller imparts kinetic energy to the water, which is then converted to pressure as the water passes through the volute or diffuser. The pressurized water is discharged through the outlet and into the cooling system, overcoming friction and elevation differences. Continuous rotation maintains a steady flow, ensuring heat is consistently removed from the process equipment.

Common Materials

Cast Iron, Stainless Steel, Bronze

Technical Parameters

Parameter	Typical range	Notes & selection driver
Flow Rate	15–60 m³/h	Select based on cooling load and system resistance.ISO 9906
Head	20–50 m	Must overcome system friction and elevation difference.ISO 9906
Motor Power	5.5–22 kW	Match to pump duty point and efficiency.IEC 60034
Voltage	380–690 V	Three-phase AC, 50/60 Hz.IEC 60038
Frequency	50–60 Hz	VFD operation possible for energy savings.IEC 60038
Operating Temperature	-20–80 °C	Above 80°C requires high-temperature mechanical seal.ISO 2858
IP Rating	IP54–IP65	IP65 for outdoor or washdown environments.IEC 60529
Impeller Material	CF8M–CD4MCu	CD4MCu for seawater or abrasive media.ASTM A351
Casing Material	HT250–CF8M	CF8M for corrosive water or high pressure.ASTM A48
Shaft Seal	Burgmann–John Crane	Select type based on temperature and pressure.API 682
Weight	150–450 kg	Affects installation and foundation requirements.

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 transfers energy from the motor to the water, creating flow and pressure

Material: Stainless Steel
Casing Part
Houses the impeller and directs water flow from inlet to outlet

Material: Cast Iron
Shaft Part
Connects the motor to the impeller, transmitting rotational force

Material: Stainless Steel
Seal Part
Prevents water leakage along the shaft while allowing rotation

Material: Carbon/Ceramic
Bearing
Supports the rotating shaft and reduces friction

Material: Steel

Applied To / Applications

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

Cooling Water System

View system integration details

Manufacturers of Cooling Water Pump

Manufacturer profiles associated with Cooling Water Pump.

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Frequently Asked Questions

What is the typical flow rate range for this cooling water pump?

The reference flow rate range is 15–60 m³/h, but the actual required flow depends on the cooling load and system resistance. Verify the specific model's performance curve with the manufacturer.

What materials are commonly used for the pump casing and impeller?

The casing material can range from HT250 (cast iron) to CF8M (stainless steel), and the impeller from CF8M to CD4MCu (duplex stainless steel). The choice depends on the corrosiveness of the water and operating pressure.

Can this pump be used with a variable frequency drive (VFD)?

Yes, the frequency range is 50–60 Hz, and VFD operation is possible for energy savings. However, the motor and pump must be compatible with VFD operation; consult the manufacturer for specific requirements.

What is the maximum operating temperature?

The reference operating temperature range is -20 to 80 °C. Above 80 °C, a high-temperature mechanical seal is required. Always confirm the temperature limits for the specific seal and materials.

Data Basis

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

Preliminary Technical Classification

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pressure:	Up to 10 bar (145 psi)
flow rate:	5 to 500 m³/h (22 to 2200 gpm)
temperature:	0°C to 120°C (32°F to 248°F)
slurry concentration:	Up to 5% solids by weight

Product Specifications

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