Editorial Technical Reference

High-Vacuum Pump

This page explains how High-Vacuum 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 specialized pump designed to achieve and maintain very low pressure levels (typically below 10^-3 mbar) within a vacuum system.

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

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. This product is a component intended for integration into larger systems, not a standalone unit. It is typically used in applications such as semiconductor manufacturing, thin-film coating, electron microscopy, and research laboratories. The pump is designed to work with a variety of system configurations, and its performance is characterized by parameters such as ultimate pressure, pumping speed, motor power, supply voltage, frequency, operating temperature range, ingress protection rating, noise level, weight, dimensions, material of wetted parts, and connection size. These parameters are provided as reference ranges and must be verified for the specific model and application. The pump is constructed from materials such as stainless steel, aluminum alloys, and specialized ceramics, which are selected for their durability and compatibility with vacuum environments. The wetted parts are typically made of stainless steel 304/316L, offering corrosion resistance for aggressive media. The pump operates on principles such as momentum transfer (e.g., turbomolecular pumps) or gas capture (e.g., cryopumps or sputter-ion pumps). It is essential to select the pump based on required pumping speed and operating pressure, and to ensure compatibility with the local electrical grid and environmental conditions. For procurement, it is crucial to verify model-specific values and standards with the legal manufacturer or supplier, as the listed standards (e.g., ISO 21360, IEC 60038, IEC 60529, ISO 3744, ASTM A240, DIN 2501) serve as references for testing and interface, not as proof of certification. The pump's performance and reliability depend on proper installation, operation, and maintenance. Regular checks for noise level, vibration, and temperature can indicate potential issues. Failure to operate within specified ranges may affect performance and seal life. This directory entry provides a neutral overview; always consult the manufacturer for detailed specifications and compliance.
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). These mechanisms are effective only after a roughing pump has reduced the pressure to a level where they can function. The pump's design and materials are chosen to withstand the demands of high vacuum operation, including low outgassing and resistance to corrosion. The ultimate pressure achievable depends on the pump type and system design. Proper selection and integration are critical for achieving the desired vacuum level.
Common Materials
Stainless steel, Aluminum alloys, Specialized ceramics
Technical Parameters
ParameterTypical rangeNotes & selection driver
Ultimate Pressure≤ 1×10^-3 mbarLower ultimate pressure enables higher vacuum applications.ISO 21360
Supply Voltage380 V AC ±10% VOther voltages available on request.IEC 60038
Frequency50/60 HzEnsure compatibility with local grid.IEC 60038
Operating Temperature Range5–40 °CExceeding range may affect performance and seal life.
Ingress Protection RatingIP54–IP55Higher rating for dusty or wet environments.IEC 60529
Noise Level60–75 dB(A)Lower noise preferred for indoor installations.ISO 3744
Weight80–350 kgAffects installation and structural support.
Dimensions (L×W×H)800×400×500 – 1200×600×800 mmCheck space availability and service access.
Connection SizeDN25–DN100 mmMatch with system piping for proper flow.

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
  • 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
  • Cold Surface Optional
    The cryopump version: a very cold panel that condenses and holds gas molecules instead of pushing them out.
  • Cathode Optional
    The ion-pump version: ionised gas atoms are buried in this cathode material.

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: 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.

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 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

Quoted from the published standard.

Manufacturing Precision
  • Impeller clearance: +/-0.01mm
  • Sealing surface flatness: 0.05mm
Quality Inspection
  • Helium leak test (vacuum integrity)
  • Vibration analysis (rotational balance)

Manufacturers of High-Vacuum Pump

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

Ningbo Baosi Energy Equipment Co., Ltd.
Shanghai, CN
Founded 2005
Listed on the company's own website · profile compiled by CNFX from public sources

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

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.

Supply Chain Compatible Machinery & Devices

Heavy-Duty CNC Plasma Cutting Machine

The Heavy-Duty CNC Plasma Cutting Machine is a standalone industrial device designed for cutting conductive metals such as steel, stainless steel, aluminum, and copper alloys.

Explore Specs →
Automated Powder Coating System

Integrated industrial system for applying dry powder coatings to metal substrates.

Explore Specs →
Centrifugal Pump Impeller

The centrifugal pump impeller is a critical rotating component that converts mechanical energy from the motor into kinetic energy in fluid systems.

Explore Specs →
High-Precision CNC Laser Cutting Machine

Computer-controlled industrial machine using focused laser beams to cut sheet metal with micron-level accuracy.

Explore Specs →

Frequently Asked Questions

What is the typical ultimate pressure of this high-vacuum pump?

The ultimate pressure is typically ≤ 1×10^-3 mbar, as per ISO 21360. However, the actual value depends on the specific model and system configuration. Always verify with the manufacturer.

What are the common pumping speeds available?

The pumping speed ranges from 50 to 200 m³/h, as per ISO 21360. The required speed depends on the evacuation time and system volume. Confirm the exact value for your application.

What materials are used for the wetted parts?

The wetted parts are typically made of stainless steel 304/316L, which provides corrosion resistance for aggressive media. Other materials like aluminum alloys and specialized ceramics may be used in non-wetted components.

What standards apply to this pump?

Relevant standards include ISO 21360 for vacuum pump performance, IEC 60038 for voltage and frequency, IEC 60529 for ingress protection, ISO 3744 for noise measurement, ASTM A240 for stainless steel, and DIN 2501 for connection sizes. These are references for verification, not proof of compliance.

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-Vacuum Pump

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.

Your business information is used only to process this request.

Thank you! Your message has been sent. We'll respond within 1–3 business days.
Sorry, we couldn't send your message. Please try again, or email us at contact@cnfx.com.

Need to Manufacture High-Vacuum Pump?

Compare manufacturer profiles with relevant product and process capability.

Previous Product
High-Speed Spindle
Next Product
Hinge Joints
Get QuotesChat