Structured Manufacturing Data (2026)

High-Vacuum Pump

Based on aggregated insights from structured factory profiles within the CNFX directory, the standard High-Vacuum Pump used in the Machinery and Equipment Manufacturing sector typically supports operational capacities ranging from standard industrial configurations to heavy-duty production requirements.

Technical Definition & Core Assembly

A canonical High-Vacuum Pump is characterized by the integration of Rotor and Stator. In industrial production environments, manufacturers listed on CNFX commonly emphasize Stainless steel construction to support stable, high-cycle operation across diverse manufacturing scenarios.

A specialized pump designed to achieve and maintain very low pressure levels (typically below 10^-3 mbar) within a vacuum system.

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Product Specifications

Technical details and manufacturing context for High-Vacuum Pump

Definition
A high-vacuum pump is a critical component of a vacuum pumping system, responsible for creating and sustaining the high vacuum environment required for various industrial and scientific processes. It operates after a primary (roughing) pump has reduced the pressure to a level where high-vacuum pumping mechanisms become effective, enabling the system to reach its ultimate low-pressure operational range.
Working Principle
High-vacuum pumps typically operate on principles such as momentum transfer (e.g., turbomolecular pumps, which use high-speed rotating blades to direct gas molecules toward the exhaust) or gas capture (e.g., cryopumps, which condense and trap gas molecules on extremely cold surfaces, or sputter-ion pumps, which use electrical fields to ionize and bury gas atoms in a cathode material).
Common Materials
Stainless steel, Aluminum alloys, Specialized ceramics
Technical Parameters
  • Ultimate pressure (the lowest achievable pressure) (mbar) Standard Spec
Components / BOM
  • Rotor Part
    High-speed rotating component (in turbomolecular pumps) that transfers momentum to gas molecules, directing them toward the exhaust.
    Material: Aluminum alloy or titanium
  • Stator
    Stationary component with blades that work in conjunction with the rotor to guide gas flow and enhance pumping efficiency.
    Material: Stainless steel or aluminum
  • Bearing System
    Supports the high-speed rotor, typically using magnetic levitation or ceramic ball bearings to minimize friction and contamination.
    Material: Ceramics, specialized alloys

Industry Taxonomies & Aliases

Commonly used trade names and technical identifiers for High-Vacuum Pump.

industrial high vacuum pump for manufacturing stainless steel vacuum pump low pressure ceramic bearing vacuum pump machinery high vacuum pump maintenance procedures vacuum pump rotor stator replacement parts

Applied To / Applications

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

Vacuum Pumping System
View system integration details

Industrial Ecosystem & Supply Chain Structure

Complementary Systems
Downstream Applications
Specialized Tooling

Application Fit & Sizing Matrix

Operational Limits
pressure: Ultimate vacuum: <10^-3 mbar, Inlet pressure range: 10^-3 to 1013 mbar
other spec: Flow rate: 1-1000 m³/h (depending on model), Power consumption: 0.5-15 kW, Maximum particle size: <5 μm, Oil-free operation
temperature: -20°C to +80°C (operating), -40°C to +100°C (storage)
Media Compatibility
✓ Dry gases (N2, Ar, He) ✓ Semiconductor process gases (SF6, CF4) ✓ High-purity analytical applications
Unsuitable: Corrosive or reactive gases (HCl, Cl2) without special coatings
Sizing Data Required
  • Required ultimate vacuum level (mbar)
  • Required pumping speed at operating pressure (m³/h)
  • Process gas composition and flow rate (sccm or slm)

Reliability & Engineering Risk Analysis

Failure Mode & Root Cause
Oil Contamination and Degradation
Cause: Ingress of process gases, moisture, or particulates into the pump oil, leading to chemical breakdown, increased viscosity, and loss of lubricating properties, often due to inadequate filtration, improper gas ballasting, or seal failure.
Bearing Failure
Cause: High-speed operation under load without proper lubrication or cooling, exacerbated by misalignment, vibration, or thermal stress, resulting in wear, overheating, and eventual seizure or catastrophic failure.
Maintenance Indicators
  • Unusual high-pitched whining or grinding noises from the pump housing, indicating bearing wear or rotor contact.
  • Visible oil discoloration (e.g., milky or dark appearance) or excessive oil consumption, signaling contamination or internal leaks.
Engineering Tips
  • Implement strict oil analysis and change intervals using manufacturer-recommended high-vacuum oils, coupled with proper gas ballasting to remove condensables and maintain oil purity.
  • Ensure precise alignment during installation, use vibration monitoring to detect early bearing issues, and maintain consistent cooling to prevent thermal overload and extend mechanical component life.

Compliance & Manufacturing Standards

Reference Standards
ISO 21360-1:2019 Vacuum technology - Standard methods for measuring vacuum-pump performance ANSI/AVS 4.1-2003(R2014) Test procedures for positive displacement vacuum pumps DIN 28400-1:2012 Vacuum technology - Acceptance specifications for vacuum pumps - Part 1: Measurement of performance characteristics
Manufacturing Precision
  • Impeller clearance: +/-0.01mm
  • Sealing surface flatness: 0.05mm
Quality Inspection
  • Helium leak test (vacuum integrity)
  • Vibration analysis (rotational balance)

Factories Producing High-Vacuum Pump

Manufacturer profiles with relevant production capability in China

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

Technical documentation
4/5
Manufacturing capability
4/5
Inspection readiness
5/5
Supplier transparency
3/5

These scores are example evaluation dimensions, not real customer ratings, country-specific buyer feedback, or live inquiry activity.

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Frequently Asked Questions

What pressure levels can this high-vacuum pump achieve?

This pump is designed to achieve and maintain pressure levels below 10^-3 mbar (millibar), making it suitable for applications requiring very low vacuum conditions in industrial settings.

What materials are used in the construction of this vacuum pump?

The pump is constructed from durable materials including stainless steel for corrosion resistance, aluminum alloys for lightweight components, and specialized ceramics for wear-resistant parts in the bearing and sealing systems.

What are the main components in the bill of materials (BOM)?

The primary BOM components are the rotor (rotating element), stator (stationary housing), and bearing system, which work together to create and maintain the high vacuum through precise mechanical operation.

Can I contact factories directly on CNFX?

CNFX is an open directory, not a transaction platform. Each factory profile provides direct contact information and production details to help you initiate direct inquiries with Chinese suppliers.

Data basis: CNFX manufacturer profiles, technical classification, publicly available product information, and ongoing plausibility checks for Machinery and Equipment Manufacturing.

Data Basis

CNFX manufacturer profiles, technical classification, publicly available product information, and ongoing plausibility checks.

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.

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