Editorial Technical Reference

Fume Extraction System

This page explains how Fume Extraction System is classified within Fabricated Metal Product Manufacturing. Technical values and manufacturer relationships are research references; confirm the current specification and supplier evidence for each order.

Technical Definition & Core Assembly

A ventilation system designed to capture and remove hazardous welding fumes and particulates from the work environment.

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

Product Specifications

Technical details and manufacturing context for Fume Extraction System

Definition
This fume extraction system is a component used in fabricated metal product manufacturing, specifically within a frame welding station. Its primary function is to actively extract harmful welding fumes, smoke, and airborne particulates generated during the welding process. By capturing contaminants at or near the source, it protects operators from respiratory hazards, improves visibility, and maintains air quality in the immediate work area. The system typically uses a high-volume fan or blower to create negative air pressure (suction) through an extraction hood or arm positioned near the welding arc. This suction captures the rising plume of fumes and smoke. The contaminated air is then drawn through ductwork, where it may pass through filters (e.g., HEPA, carbon) to remove particulates and gases before being either recirculated as clean air or exhausted outside the facility. The system is available in configurations using materials such as galvanized steel, aluminum, and stainless steel. Key parameters include airflow capacity (1000–3000 m³/h), static pressure (1500–2500 Pa), filtration efficiency (≥99.9% for HEPA H13 or H14 per EN 1822), noise level (65–75 dB(A) at 1 m), motor power (1.5–7.5 kW), supply voltage (380–415 V AC per IEC 60038), operating temperature (-10–50 °C), ingress protection (IP54–IP55 per IEC 60529), filter class (H13–H14 per EN 1822), weight (150–500 kg), and dimensions (800×600×1200 to 1500×1000×2000 mm). These values are reference ranges and must be confirmed for the specific model and application. The system is a critical safety component, and proper selection, installation, and maintenance are essential. Always verify model-specific values and standards with the legal manufacturer or supplier.
Working Principle
The system operates by creating a negative pressure zone near the welding arc using a high-volume fan or blower. An extraction hood or arm positioned close to the source captures the rising fumes and smoke. The contaminated air is drawn through ductwork and passes through filters, such as HEPA or carbon filters, to remove particulates and gases. The cleaned air is then either recirculated into the workspace or exhausted outside, depending on the system configuration and local regulations.
Common Materials
Galvanized Steel, Aluminum, Stainless Steel
Technical Parameters
ParameterTypical rangeNotes & selection driver
Airflow Capacity1000–3000 m³/hSelect based on number of welding stations and fume generation rate.
Static Pressure1500–2500 PaMust overcome duct resistance and filter pressure drop.
Filtration Efficiency≥99.9 %For HEPA H13 or H14 grade filters.EN 1822
Noise Level65–75 dB(A)At 1 m distance; lower is preferred for operator comfort.
Motor Power1.5–7.5 kWDepends on airflow and static pressure requirements.
Supply Voltage380–415 V ACThree-phase; other voltages available on request.IEC 60038
Operating Temperature-10–50 °CFor ambient air; higher for hot fume applications.
Ingress ProtectionIP54–IP55Protects against dust and water splashes.IEC 60529
Filter ClassH13–H14HEPA filters for high efficiency particulate capture.EN 1822
Weight150–500 kgDepends on configuration and filter size.
Dimensions (L×W×H)800×600×1200–1500×1000×2000 mmFootprint varies with model and filter capacity.

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
  • Extraction Hood/Arm
    Positioned near the welding source to capture fumes directly at the point of generation.
    Material: Steel or Aluminum
  • Centrifugal Fan/Blower
    Creates the suction force to draw contaminated air into the system.
    Material: Steel Housing with Aluminum/Steel Impeller
  • Filtration Unit
    Contains filters (e.g., pre-filters, HEPA, activated carbon) to clean the extracted air before recirculation or exhaust.
    Material: Steel Casing with Filter Media
  • Ductwork
    Channels the contaminated air from the hood to the fan and filtration unit.
    Material: Galvanized Steel or Flexible Aluminum

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: Atmospheric to -500 Pa (negative pressure for extraction)
flow rate: 500 to 10,000 m³/h (adjustable based on hood design)
temperature: -10°C to +50°C
particulate concentration: Up to 50 mg/m³ (typical welding fume loading)
Media Compatibility
✓ MIG/TIG welding fumes ✓ Grinding dust and metal particulates ✓ Light oil mists from machining
Unsuitable: Chlorinated solvent vapors or highly corrosive chemical fumes
Sizing Data Required
  • Welding process type and amperage
  • Number of workstations and hood distance
  • Required air changes per hour for workspace volume

Reliability & Engineering Risk Analysis

Failure Mode & Root Cause
Fan impeller imbalance
Cause: Accumulation of particulate matter on fan blades leading to uneven mass distribution, often due to inadequate filtration or irregular cleaning schedules.
Ductwork corrosion
Cause: Chemical attack from acidic or corrosive fumes, exacerbated by condensation formation inside ducts when temperature differentials are not properly managed.
Maintenance Indicators
  • Unusual vibration or audible rattling from fan housing indicating mechanical imbalance or bearing wear
  • Visible smoke or fumes escaping from duct joints or reduced extraction efficiency at capture points
Engineering Tips
  • Implement regular ultrasonic thickness testing on ductwork to monitor corrosion rates and schedule proactive replacement before failure occurs
  • Install differential pressure gauges across filters and maintain strict replacement schedules to prevent particulate overload on mechanical components

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 21904-1:2020 - Health and safety in welding and allied processes - Part 1: Requirements for welding fumes extraction equipment ANSI Z9.2-2018 - Fundamentals Governing the Design and Operation of Local Exhaust Ventilation Systems DIN EN 16985:2018 - Spray booths for organic coating materials - Safety requirements

Quoted from the published standard.

Manufacturing Precision
  • Ductwork diameter: +/- 2% of nominal dimension
  • Filter housing flatness: 0.5 mm per meter
Quality Inspection
  • Airflow performance test (ISO 21904-2:2020)
  • Leak tightness test (pressure decay method)

Manufacturers of Fume Extraction System

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

PURE-AIR TECH
Dongguan, Guangdong, CN
Listed on the company's own website · profile compiled by CNFX from public sources
Qingdao Power Space Environmental Protection Technology Co., Ltd.
Shandong, CN
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
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Manufacturing capability
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Inspection readiness
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Frequently Asked Questions

What is the typical airflow capacity of this fume extraction system?

The airflow capacity is typically in the range of 1000–3000 m³/h, but the exact value depends on the number of welding stations and the fume generation rate. Confirm the required capacity with the manufacturer based on your specific application.

What filtration efficiency does the system provide?

The system can be equipped with HEPA filters of class H13 or H14, which offer a filtration efficiency of at least 99.9% for particulates, as per EN 1822. Verify the actual filter class and efficiency with the supplier.

What are the electrical requirements for this system?

The standard supply voltage is 380–415 V AC, three-phase, according to IEC 60038. Other voltages may be available on request. Always check the motor power (1.5–7.5 kW) and electrical specifications with the manufacturer.

How should I verify that the system meets my needs?

You should confirm the model-specific values for airflow, static pressure, noise level, and dimensions with the legal manufacturer or supplier. Also, ensure that the system complies with relevant standards such as EN 1822 for filters and IEC 60529 for ingress protection.

Data Basis

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

Preliminary Technical Classification
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