Feed Pump for Chemical Filtration Press - Specifications and Selection

Product Specifications

Technical details and manufacturing context for Feed Pump

Definition

The feed pump is a critical component of an Industrial Chemical Filtration Press, responsible for transporting the chemical mixture (slurry or liquid) from the holding or mixing tank into the filtration chambers of the press. It ensures a consistent and controlled supply of material to be processed, maintaining the required pressure for efficient filtration and separation of solids from liquids within the chemical manufacturing process. The pump is selected based on the filter press capacity, with a flow rate range of 15–60 m³/h and a head of 30–80 m (per ISO 9906). Operating pressure is typically 1.0–1.6 MPa, and the maximum operating temperature is 80–120°C. Motor power ranges from 5.5–22 kW (IEC 60034), with a three-phase voltage of 380 V AC ±10% at 50 Hz (IEC 60038). Ingress protection is IP54–IP65 (IEC 60529), and pump efficiency is 60–75% (ISO 9906). Impeller diameter is 200–350 mm, and weight is 150–400 kg. Common materials include stainless steel (e.g., 316L), cast iron, and engineered plastics (e.g., PTFE, PVDF). These values are directory reference ranges and must be verified with the legal manufacturer or supplier for the specific model and application. The pump operates using a positive displacement (e.g., diaphragm, piston, lobe) or centrifugal mechanism, drawing the chemical feed from an inlet source and pressurizing it to force the material through piping into the filtration press. Flow rate and pressure are controlled to match the filtration cycle requirements, often regulated by valves and control systems. Proper selection requires consideration of the slurry properties, required filtration pressure, and compatibility of wetted materials. Maintenance signals include reduced flow or pressure, unusual noise, and seal leakage. The pump is not designed for dry running or handling abrasive solids beyond the specified limits. Always consult the manufacturer for application-specific guidance.

Working Principle

The feed pump typically operates using a positive displacement (e.g., diaphragm, piston, lobe) or centrifugal mechanism. It draws the chemical feed from an inlet source and pressurizes it, forcing the material through piping into the filtration press. Flow rate and pressure are controlled to match the filtration cycle requirements, often regulated by valves and control systems. The pump must be selected to deliver the required flow and head while maintaining the operating pressure within the specified range. Proper priming and prevention of dry running are essential to avoid damage. The pump's performance curve should be matched to the system's resistance to ensure efficient operation.

Common Materials

Stainless Steel (e.g., 316L), Cast Iron, Engineered Plastics (e.g., PTFE, PVDF)

Technical Parameters

Parameter	Typical range	Notes & selection driver
Flow Rate	15–60 m³/h	Select based on filter press capacityISO 9906
Head	30–80 m	Ensure sufficient pressure for filtrationISO 9906
Max Operating Temperature	80–120 °C	Higher temperatures may require special seals
Motor Power	5.5–22 kW	Match to required flow and headIEC 60034
Voltage	380 ±10% V AC	Three-phase, 50 HzIEC 60038
Frequency	50 Hz	Standard for most industrial applicationsIEC 60038
Ingress Protection	IP54–IP65	Higher IP for dusty or wet environmentsIEC 60529
Pump Efficiency	60–75 %	Higher efficiency reduces operating costISO 9906
Impeller Diameter	200–350 mm	Affects performance curve
Weight	150–400 kg	Consider for 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

Pump Casing/Housing Part
Contains the pumping mechanism and directs fluid flow

Material: Stainless Steel or Cast Iron
Impeller/Diaphragm/Piston Part
The moving element that creates pressure and moves the fluid

Material: Stainless Steel, Rubber, or PTFE
Drive Shaft Part
Transmits rotational power from the motor to the pumping element

Material: Stainless Steel
Seals/Gaskets Part
Prevent leakage of the chemical fluid from the pump

Material: Viton, EPDM, PTFE
Inlet/Outlet Flanges Part
Connection points for piping to and from the pump

Material: Stainless Steel

Applied To / Applications

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

Feed Tank & Pump

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Feed System

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Manufacturers of Feed Pump

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Frequently Asked Questions

What is the typical flow rate range for a feed pump?

The flow rate range is 15–60 m³/h, but this must be selected based on the filter press capacity and verified with the manufacturer.

What materials are commonly used for the feed pump?

Common materials include stainless steel (e.g., 316L), cast iron, and engineered plastics such as PTFE and PVDF. Material selection depends on the chemical compatibility.

What standards apply to the feed pump?

Relevant standards include ISO 9906 for hydraulic performance, IEC 60034 for motor power, IEC 60038 for voltage/frequency, and IEC 60529 for ingress protection. These are reference standards, not certifications.

What are common maintenance signals for a feed pump?

Reduced flow or pressure, unusual noise, and seal leakage are common signals that maintenance is needed. Always follow the manufacturer's maintenance guidelines.

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
flow rate:	5 to 100 m³/h
temperature:	+80°C to +120°C
slurry concentration:	Up to 60% solids by weight

Feed Pump

Product Specifications

Applied To / Applications

Industrial Ecosystem & Supply Chain Structure

Application Fit & Sizing Matrix

Reliability & Engineering Risk Analysis

Compliance & Manufacturing Standards