High-Pressure Pump Unit for Descaling

Product Specifications

Technical details and manufacturing context for High-Pressure Pump Unit

Definition

The High-Pressure Pump Unit is a critical component of a Hydraulic Descaling System used in metal manufacturing, particularly in steel mills. It functions as the power source that pressurizes hydraulic fluid to extremely high pressures (typically ranging from 150-400 bar or higher) and delivers it to descaling nozzles. This pressurized fluid is then used to forcefully remove scale (iron oxide) and other surface contaminants from hot metal surfaces during rolling or forging processes, ensuring clean, high-quality metal products. The unit typically consists of a multi-piston axial or radial piston pump driven by an electric motor. As the motor rotates the pump's drive shaft, pistons reciprocate within cylinders, drawing in low-pressure hydraulic fluid from a reservoir during the suction stroke and compressing it to high pressure during the discharge stroke. A pressure relief valve maintains system pressure within safe operating limits, while check valves ensure unidirectional flow. The high-pressure fluid is then directed through manifolds and piping to the descaling headers and nozzles. Key parameters include rated flow rate (50–200 L/min), operating pressure (1.0–1.6 MPa), motor power (75–250 kW), operating temperature (5–60 °C), ingress protection (IP54–IP65), pump efficiency (75–90%), max particle size (0.1–0.5 mm), weight (1500–5000 kg), dimensions (2000×1200×1500–3000×1800×2200 mm), voltage (380–690 V AC), frequency (50–60 Hz), material of wetted parts (316L–Duplex), and noise level (75–90 dB(A)). These values are reference ranges and must be verified for the specific model and application. The unit is designed for integration into existing descaling systems, with considerations for installation space, foundation, and power supply. Maintenance signals include abnormal noise, pressure fluctuations, and seal leakage. Failure boundaries include operation outside specified temperature or particle size limits, which can degrade seals and materials. Always consult the manufacturer for model-specific data and compliance with applicable standards.

Working Principle

The unit typically consists of a multi-piston axial or radial piston pump driven by an electric motor. As the motor rotates the pump's drive shaft, pistons reciprocate within cylinders, drawing in low-pressure hydraulic fluid from a reservoir during the suction stroke and compressing it to high pressure during the discharge stroke. A pressure relief valve maintains system pressure within safe operating limits, while check valves ensure unidirectional flow. The high-pressure fluid is then directed through manifolds and piping to the descaling headers and nozzles.

Common Materials

High-strength alloy steel, Hardened steel, Bronze/bushings, Seals (Viton, Polyurethane)

Technical Parameters

Parameter	Typical range	Notes & selection driver
Rated Flow Rate	50–200 L/min	Flow rate determines descaling coverage and efficiency.ISO 9906
Operating Pressure	1.0–1.6 MPa
Motor Power	75–250 kW	Power must match flow and pressure requirements.
Operating Temperature	5–60 °C	Outside this range, seals and materials may degrade.
Ingress Protection	IP54–IP65	Protects against dust and water jets.IEC 60529
Pump Efficiency	75–90 %	Higher efficiency reduces operating costs.ISO 9906
Max Particle Size	0.1–0.5 mm	Larger particles can damage the pump and nozzles.
Weight	1500–5000 kg	Affects installation and foundation requirements.
Dimensions (L×W×H)	2000×1200×1500–3000×1800×2200 mm	Space constraints in existing plants.
Voltage	380–690 V AC	Common industrial voltages; other options available.IEC 60038
Frequency	50–60 Hz	Must match regional power grid.IEC 60038
Material of Wetted Parts	316L–Duplex	Corrosion resistance for descaling water.ASTM A240
Noise Level	75–90 dB(A)	Compliance with workplace noise regulations.ISO 3744

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 Block/Housing Part
Main structural component that contains the pistons, cylinders, and valves

Material: High-strength cast iron or steel
Pistons and Cylinders Part
Reciprocating elements that create pressure by compressing hydraulic fluid

Material: Hardened steel with ceramic coatings
Drive Shaft
Transmits rotational power from the motor to the piston mechanism

Material: Alloy steel
Valve Plate Part
Controls the timing of fluid intake and discharge through porting

Material: Hardened steel or bronze
Pressure Relief Valve
Safety device that limits maximum system pressure by diverting excess flow

Material: Stainless steel with spring
Coupling
Connects the motor shaft to the pump drive shaft

Material: Steel with elastomeric inserts
Check Valve
Keeps flow one-way between suction and discharge on every piston stroke.
Electric Motor
Turns the pump drive shaft; the unit is supplied with it, coupled through the elastomeric coupling.

Applied To / Applications

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

Hydraulic Descaling System

View system integration details

Manufacturers of High-Pressure Pump Unit

Manufacturer profiles associated with High-Pressure Pump Unit.

Sourcing High-Pressure Pump Unit from China?

Tell us your specification and target quantity — we will match it against manufacturer records and come back with the factories that fit.

Request manufacturers We manufacture this

Manufacturer listings support early research and capability understanding. They are not certification, ranking, or transaction guarantees.

Procurement Evaluation Criteria

A practical evidence checklist for RFQ preparation and supplier evaluation.

Technical documentation

Request current drawings, revision history, and a signed specification sheet.

Manufacturing capability

Verify equipment lists, process limits, capacity, and representative production evidence.

Inspection readiness

Confirm test methods, calibrated equipment, sampling plans, and traceable reports.

Supplier transparency

Check the legal entity, factory address, ownership, certifications, and direct contacts.

CNFX does not score or rank suppliers. Buyers must verify all claims and documents with the legal manufacturer before ordering.

Frequently Asked Questions

What is the typical operating pressure range for this pump unit?

The reference operating pressure range is 1.0–1.6 MPa, but actual pressure depends on the specific model and descaling requirements. Always verify with the manufacturer.

What materials are used for wetted parts?

Wetted parts are typically made of 316L stainless steel or duplex stainless steel, but the exact material grade must be confirmed for the specific unit.

What maintenance signals indicate potential issues?

Signals include abnormal noise, pressure fluctuations, seal leakage, and reduced flow. Regular inspection of seals and filters is recommended.

Can this pump unit be integrated into an existing descaling system?

Yes, but integration requires checking dimensions, weight, power supply, and piping connections. Consult the manufacturer for compatibility and installation guidance.

Data Basis

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

Preliminary Technical Classification

This page supports structured research, RFQ preparation, and supplier evaluation. It does not replace buyer-led supplier qualification, standards review, or technical approval.

Buyer enquiry

Request manufacturing insight for High-Pressure Pump Unit

Ask for use case, specification boundaries, supplier type, and RFQ preparation information for this product.

Where it goes: Straight to the CNFX editorial desk, and to the manufacturer if this product is linked to a claimed profile. Nothing is broadcast to a supplier list.
Your details stay here: We do not sell or rent enquiry data, and we do not add you to a mailing list. Used only to answer this request.
No commission, no middleman: CNFX is a directory. We take no cut of any order and never negotiate on a supplier's behalf.
What we don't claim: A listing is not an endorsement. Qualify every supplier and verify every figure yourself before ordering.

pressure:	Up to 400 bar (maximum working pressure)
flow rate:	50-500 L/min (typical range, model dependent)
temperature:	5°C to 80°C (operating fluid temperature)
slurry concentration:	Up to 15% solids by weight (for descaling applications)

High-Pressure Pump Unit

Product Specifications

Applied To / Applications

Industrial Ecosystem & Supply Chain Structure

Application Fit & Sizing Matrix

Reliability & Engineering Risk Analysis

Compliance & Manufacturing Standards