Welding Fume Extractor

Welding Fume Extraction Solutions for Source Capture and Industrial Welding

The INWELT welding fume extraction range combines source-capture MIG/MAG welding torches with portable welding fume extraction equipment for professional fabrication and industrial production.

The current product range includes:

• FE360 – 340A air-cooled fume extraction MIG/MAG torch

• FE500W – 500A water-cooled fume extraction MIG/MAG torch

• Portable welding fume extractor

• Welding fume extraction machine

These products use different extraction methods and should be selected according to the welding process, torch current, extraction airflow, required negative pressure, filter system, duty cycle and workplace layout.

INWELT Welding Fume Extraction Product Overview

Product	Product Type	Source Capture	Primary Application
FE360	Air-Cooled Fume Extraction MIG Torch	At the welding torch	Medium- to heavy-duty MIG/MAG welding
FE500W	Water-Cooled Fume Extraction MIG Torch	At the welding torch	High-current continuous MIG/MAG welding
Portable Welding Fume Extractor	Mobile Extraction Unit	Through connected hose / extraction device	Flexible welding stations
Welding Fume Extraction Machine	Extraction / Filtration Unit	System-dependent	Industrial welding-fume control

Exact airflow, negative pressure, filtration and connection requirements should be checked for the specific extractor configuration.

What Is Welding Fume Source Extraction?

Source extraction captures welding fume as close as practical to the point where the fume is generated.

Instead of allowing welding smoke to disperse throughout the workshop before it is collected, a source-capture system removes airborne contaminants close to the arc.

Common welding-fume source-capture methods include:

• Fume extraction MIG/MAG torches

• High-vacuum extraction nozzles

• Movable extraction hoods

• Extraction arms

• Fixed local exhaust systems

The correct method depends on the welding process, welding position, production layout and fume-generation rate.

Fume Extraction MIG Torches vs. Portable Fume Extractors

Fume extraction torches and portable extraction units perform different functions.

Fume Extraction MIG Torch

A fume extraction torch integrates an extraction channel into or around the welding torch.

The extraction opening remains close to the welding arc as the welder moves.

This is particularly useful where:

• Welding positions change frequently

• Large workpieces are welded

• An extraction hood is difficult to reposition continuously

• Source capture needs to follow the welder

Portable Welding Fume Extractor

A portable extractor provides the vacuum and filtration required to transport and collect welding fume.

Depending on the system, the extractor can be connected to:

• A fume extraction welding torch

• A source-capture nozzle

• An extraction hose

• A compatible extraction hood or arm

A complete source-extraction system normally requires both an appropriate capture device and a correctly sized extraction unit.

FE360 340A Air-Cooled Fume Extraction MIG/MAG Torch

The INWELT FE360 combines MIG/MAG welding with integrated source-capture fume extraction.

Current INWELT specifications include:

• 340A with CO₂

• 300A with mixed shielding gas

• 60% duty cycle

• Air / gas-cooled torch construction

• 0.8–1.6 mm welding-wire range

• 3 m / 4 m / 5 m cable options

• Integrated fume extraction

• OEM connector configurations available

The FE360 is designed for medium- to heavy-duty welding applications where source extraction is preferred.

Typical applications include:

• General fabrication

• Structural welding

• Automotive production

• Agricultural machinery

• Construction equipment

• Industrial manufacturing

FE500W 500A Water-Cooled Fume Extraction MIG/MAG Torch

The INWELT FE500W is designed for higher-current industrial welding requiring both active water cooling and source-capture fume extraction.

Current INWELT specifications include:

• 500A with CO₂

• 450A with mixed shielding gas

• 100% duty cycle

• Water-cooled construction

• 1.0–1.6 mm nominal wire range on the current product listing

• 3 m / 4 m / 5 m cable options

• Euro-type rear interface on the current standard configuration

• Integrated source extraction

• OEM/ODM options

The FE500W is intended for demanding production environments such as:

• Heavy fabrication

• Shipbuilding

• Pressure-vessel production

• Construction equipment

• Railway manufacturing

• Long welding cycles

• High-current production welding

A compatible water cooler and extraction unit are required for correct system operation.

FE360 vs. FE500W Fume Extraction Welding Torch

The main differences are welding-current capacity, cooling method and production duty.

Feature	FE360	FE500W
Cooling	Air / Gas Cooled	Water Cooled
CO₂ Rating	340A	500A
Mixed-Gas Rating	300A	450A
Duty Cycle	60%	100%
Wire Range	0.8–1.6 mm	1.0–1.6 mm*
Cable Length	3 / 4 / 5 m	3 / 4 / 5 m
Extraction	Integrated Source Capture	Integrated Source Capture
Main Positioning	Medium/Heavy Duty	Heavy-Duty Continuous Production

*Confirm the final FE500W wire range against the current INWELT BOM before publishing if different configurations are available.

Choose FE360 where an air-cooled torch provides sufficient capacity.

Choose FE500W when higher welding current, longer arc-on time and active water cooling are required.

How Does a Fume Extraction MIG Torch Work?

A fume extraction MIG torch performs two functions at the same time:

1. It delivers welding wire, current and shielding gas to the welding arc.

2. It draws welding fume into extraction openings positioned near the source.

The collected fume travels through an extraction hose toward a compatible vacuum and filtration unit.

The extraction system must be balanced carefully.

Too little extraction can reduce capture effectiveness.

Excessive suction positioned incorrectly can disturb shielding-gas coverage.

For this reason, torch extraction should be evaluated as a complete system rather than only by maximum vacuum pressure.

Why Extraction Airflow and Negative Pressure Both Matter

Airflow and negative pressure describe different characteristics of an extraction system.

Airflow

Airflow indicates the volume of air moved through the system over time.

It is commonly expressed in:

• m³/h

• L/min

• CFM

Negative Pressure

Negative pressure indicates the vacuum available to overcome resistance in:

• Narrow hoses

• Torch extraction channels

• Filters

• Connectors

• Long duct runs

On-torch fume extraction typically requires a different pressure/airflow balance from a large extraction hood.

Therefore, comparing two welding fume extractors using airflow alone can be misleading.

INWELT High-Negative-Pressure Portable Fume Extractor

Current INWELT technical information for its portable high-negative-pressure extraction configuration lists approximately:

• Air absorption volume: 200 ± 10 m³/h

• Motor power: 1.2 kW

• Blower negative pressure: approximately 25,000 Pa

• Outlet diameter: 40 mm

• PET filter material

• Filter area: approximately 1.3 m²

• 220V / 50Hz configuration

• 1 L dust container

• Approx. 600 × 280 × 475 mm dimensions

• Approx. 24 kg weight

This type of high-vacuum, lower-airflow architecture is particularly relevant to extraction through smaller-diameter hoses and source-capture devices such as welding fume extraction torches.

Final product specifications should be confirmed on the individual extractor page before ordering.

High-Vacuum Torch Extraction vs. Extraction-Arm Systems

Not all welding fume extractors should be compared using the same airflow requirement.

High-Vacuum Source Extraction

High-vacuum systems are commonly paired with:

• Fume extraction welding guns

• Narrow source-capture hoses

• Small extraction nozzles

Typical characteristics include:

• Higher negative pressure

• Smaller hose diameter

• Lower total airflow than large hood systems

• Capture very close to the welding arc

Low-/Medium-Vacuum Extraction Arms

Extraction-arm systems typically use:

• Larger hoods

• Larger-diameter ducting

• Higher total airflow

• Lower static pressure than high-vacuum torch systems

The hood must remain correctly positioned close to the welding source.

Neither architecture is universally better.

The correct solution depends on the welding station.

How to Choose a Welding Fume Extractor

A professional extraction system should be selected using more than a single filter-efficiency percentage.

Consider:

Welding Process

Identify whether the station uses:

• MIG/MAG

• Flux-cored welding

• TIG

• Plasma cutting

• Grinding or other thermal processes

Fume Generation

Fume generation varies with:

• Welding current

• Wire type

• Base metal

• Coating

• Shielding gas

• Welding process

Capture Method

Decide whether the application is best served by:

• On-torch source extraction

• Movable hood

• Extraction arm

• Fixed extraction

• Centralized system

Airflow and Negative Pressure

The extractor must provide suitable performance at the actual capture device after accounting for hose and filter resistance.

Filter Type

Check:

• Filter material

• Filter class

• Filter area

• Cleaning method

• Replacement method

Duty Cycle

A unit for occasional repair welding may have different requirements from a multi-shift production line.

How to Choose a Fume Extraction Welding Torch

When selecting an extraction torch, consider both welding and extraction requirements.

Welding Current

Choose a torch rated for the actual welding current and shielding gas.

Duty Cycle

FE360 and FE500W serve different production-duty requirements.

Cooling Method

Choose:

• Air cooling for FE360-class applications

• Water cooling for FE500W-class high-current applications

Wire Diameter

Match:

• Contact tip

• Liner

• Wire feeder

• Torch consumables

to the welding-wire diameter.

Extraction System

The connected vacuum unit must provide appropriate airflow and negative pressure for the torch and hose assembly.

Connector

Confirm:

• Welding machine interface

• Extraction hose connection

• Trigger wiring

• Water connections where applicable

Why Capture Distance Matters

Local exhaust becomes more effective when the capture opening is positioned close to the source of welding fume.

As the distance from the arc increases, significantly more airflow may be required to influence the same fume plume.

This is one reason integrated extraction torches can be useful in applications where the welding gun moves continuously around a large workpiece.

However, capture effectiveness should be verified under actual welding conditions.

Shielding Gas and Fume Extraction Balance

A fume extraction torch must capture smoke without unnecessarily disrupting shielding gas around the weld pool.

Incorrect extraction setup can potentially contribute to:

• Porosity

• Poor shielding

• Arc instability

• Weld contamination

When setting up a fume extraction torch:

1. Start with the verified extractor and torch settings.

2. Check shielding-gas flow.

3. Check extraction flow.

4. Make a test weld.

5. Inspect weld quality.

6. Adjust within the approved operating range.

Do not simply operate the extraction system at maximum suction without evaluating welding performance.

Fume Capture Efficiency: Use Verified Test Data

Competitor fume-extraction systems increasingly publish capture-efficiency values measured under defined test conditions.

Capture efficiency depends on:

• Torch design

• Welding position

• Extraction flow

• Welding parameters

• Hose resistance

• Filter condition

• Test method

INWELT should publish a numerical capture-efficiency percentage only when it has been measured using a documented test method.

Do not apply a competitor's 95% or 98% extraction value to an INWELT product.

A strong future technical table should include:

Parameter	Verified INWELT Data
Torch Model	FE360 / FE500W
Welding Current	A
Welding Position	PA / PB / PF etc.
Extraction Airflow	m³/h
Pressure Difference	Pa
Shielding Gas Flow	L/min
Capture Efficiency	%
Test Method	Verified Standard / Internal Method

Welding Fume Filters and Filtration Efficiency

The filter system should be described using the actual filter fitted to the specific extractor model.

Relevant information can include:

• Filter material

• Filter class

• Particle-size test method

• Filtration efficiency

• Filter surface area

• Dust-holding capacity

• Cleaning method

• Replacement interval criteria

Do not describe every INWELT extractor as using a HEPA filter unless that specific configuration has a verified HEPA-class filter.

The current INWELT high-negative-pressure unit lists PET filter material in its technical specification.

Filter Efficiency vs. Fume Capture Efficiency

These are two different measurements.

Filter Efficiency

Describes how effectively a filter removes particles from the air that actually passes through the filter.

Fume Capture Efficiency

Describes how much of the fume generated by welding is successfully captured before it spreads into the surrounding environment.

A filter can have high particle-filtration efficiency while the overall system still captures poorly if:

• The extraction opening is too far away

• Airflow is insufficient

• The extraction hose is blocked

• The torch is incorrectly configured

Both capture and filtration performance matter.

How to Maintain a Welding Fume Extractor

Maintenance requirements depend on the specific extractor, but routine inspection should normally include:

• Filter condition

• Hose condition

• Extraction connections

• Seals

• Fan or blower

• Dust container

• Electrical cables

• Airflow

• Negative pressure

• Filter differential pressure, if monitored

Reduced airflow may indicate:

• Filter loading

• Hose blockage

• Leakage

• Damaged seals

• Fan problems

Follow the product-specific maintenance instructions rather than replacing filters on a fixed universal schedule.

How to Maintain a Fume Extraction MIG Torch

A fume extraction torch requires normal MIG gun maintenance plus inspection of the extraction path.

Check:

• Gas nozzle

• Extraction shroud

• Contact tip

• Diffuser

• Torch neck

• Wire liner

• Extraction openings

• Extraction hose

• Seals and hose connections

Spatter and dust accumulation can reduce extraction airflow.

Clean components using the approved maintenance method.

Do not enlarge extraction holes or modify the torch body.

Welding Fume Extraction for MIG/MAG Welding

MIG/MAG welding can generate substantial visible fume, particularly at higher wire-feed speeds and welding currents.

Source extraction is useful in applications such as:

• Carbon-steel fabrication

• Stainless-steel welding

• Heavy equipment production

• Structural fabrication

• Automotive manufacturing

• Shipbuilding

• Trailer manufacturing

The required control method should be determined from the actual welding process and workplace risk assessment.

Welding Fume Extraction for Stainless Steel

Stainless-steel welding requires particular attention to workplace exposure control because welding fume composition differs from ordinary carbon-steel welding.

A suitable extraction system should be selected based on:

• Welding process

• Filler material

• Base metal

• Welding current

• Exposure assessment

• Applicable workplace requirements

Do not assume that one portable extractor specification is sufficient for every stainless-steel application.

Portable vs. Centralized Welding Fume Extraction

Portable Extractor

Best suited to:

• Individual welding stations

• Maintenance

• Repair

• Changing work locations

• Small or flexible production areas

Advantages can include:

• Mobility

• Flexible setup

• Lower infrastructure requirements

Centralized Extraction

Best suited to:

• Multiple fixed welding stations

• Large production plants

• Continuous production

• Permanent duct installations

Centralized systems require engineering around total airflow, duct losses, simultaneous use and filter capacity.

Fume Extraction Torch vs. Extraction Arm

Extraction Torch

Advantages:

• Capture point follows the welder

• Close source capture

• Useful on large or complex workpieces

Considerations:

• Torch can be larger than a conventional MIG gun

• Extraction hose adds resistance and weight

• Vacuum settings must preserve gas shielding

Extraction Arm

Advantages:

• Standard welding torch can be used

• Suitable for fixed workstations

• Can capture a wider area when correctly positioned

Considerations:

• Hood must be repositioned

• Capture falls rapidly if the hood moves too far from the arc

The best solution depends on the workstation.

Typical Industrial Applications

INWELT fume extraction torches and extraction units can be considered for applications including:

• General metal fabrication

• Automotive manufacturing

• Structural steel

• Heavy machinery

• Agricultural equipment

• Construction equipment

• Trailer manufacturing

• Railway equipment

• Shipbuilding

• Pressure-vessel manufacturing

• Maintenance and repair

• Production MIG/MAG welding

System sizing should always be based on the actual welding process.

Welding Fume Extraction and Workplace Ventilation

A portable extractor or fume extraction torch should be considered part of the overall workplace exposure-control strategy.

Depending on the application, additional measures can include:

• General mechanical ventilation

• Local exhaust ventilation

• Process changes

• Enclosures

• Respiratory protection

• Exposure monitoring

• Worker training

The appropriate controls depend on workplace conditions, materials and applicable regulations.

A product should not be described as guaranteeing regulatory compliance by itself.

Common Welding Fume Extraction Problems

Weak Extraction at the Torch

Check:

• Filter condition

• Extraction hose

• Hose connections

• Blockage

• Vacuum unit

• Extraction openings

Excessive Fume Escaping Around the Torch

Check:

• Extraction airflow

• Torch angle

• Welding position

• Extraction-shroud position

• Hose restriction

Shielding Gas Disturbance

Check:

• Extraction setting

• Gas flow

• Extraction opening position

• Nozzle condition

Extractor Airflow Decreases Over Time

Check:

• Filter loading

• Hose blockage

• Dust container

• Fan/blower

• Seal leakage

Excessive Extractor Noise

Check:

• Fan condition

• Hose blockage

• Loose panels

• Filter loading

• Mechanical vibration

OEM Welding Fume Extraction Solutions by INWELT

INWELT supplies welding fume extraction products to professional B2B customers including:

• Welding equipment manufacturers

• Welding torch brands

• Fume-extraction equipment brands

• Industrial distributors

• Importers

• System integrators

• Fabrication equipment suppliers

• Industrial end users

OEM and ODM projects can be developed according to the required welding and extraction system.

OEM and Private-Label Options

Customization may include:

• Customer branding

• Product labels

• Torch cable length

• Welding-machine connector

• Extraction-hose length

• Extraction-hose connection

• Filter configuration

• Input voltage

• Airflow configuration

• Product packaging

• User manuals

• Barcodes and cartons

All technical options should be confirmed against the selected extractor and torch configuration.

Why Source Welding Fume Extraction Products from INWELT?

The INWELT product range combines welding and extraction equipment within one B2B supply program.

The current category includes:

• FE360 air-cooled fume extraction MIG torch

• FE500W water-cooled fume extraction MIG torch

• Portable welding fume extractor

• Welding fume extraction machine

• Source-capture torch configurations

• Extraction hoses and interfaces

• MIG consumables

• Filter and extraction-system components

• OEM/ODM customization

For welding equipment distributors and manufacturers, sourcing both extraction torches and compatible extraction equipment through one supplier can simplify system development and aftermarket support.

Frequently Asked Questions About Welding Fume Extraction

What is a welding fume extractor?

A welding fume extractor is a local ventilation or filtration system designed to capture welding fume and transport contaminated air away from the welder's breathing zone.

The exact system can use an extraction hood, arm, nozzle or fume extraction welding torch.

What is a fume extraction welding torch?

A fume extraction welding torch is a welding gun with integrated extraction passages that collect fume close to the welding arc.

It must be connected to a compatible extraction unit.

What is source extraction?

Source extraction means capturing welding fume close to where it is generated before it spreads throughout the workplace.

What is the difference between FE360 and FE500W?

FE360 is an air-cooled 340A CO₂ / 300A mixed-gas torch with a 60% duty cycle.

FE500W is a water-cooled 500A CO₂ / 450A mixed-gas torch with a 100% duty cycle.

Does a fume extraction torch need a separate extractor?

Yes.

The torch provides the source-capture pathway, but a compatible vacuum/extraction unit is required to create airflow and collect the extracted contaminants.

Does more suction always mean better fume extraction?

No.

Effective capture depends on the balance between airflow, negative pressure, capture geometry, hose resistance and welding conditions.

Excessive suction can also disturb shielding gas if the system is incorrectly adjusted.

What is the difference between airflow and negative pressure?

Airflow measures the volume of air moved.

Negative pressure measures the suction pressure available to overcome resistance in hoses, filters and extraction channels.

Both are important.

Is HEPA filtration required for every welding fume extractor?

Filter requirements depend on the application, contaminant and applicable workplace requirements.

Do not assume that every welding fume extractor uses a HEPA-class filter.

Always check the specific filter configuration.

How often should the welding fume extractor filter be replaced?

There is no single universal replacement interval.

Filter life depends on welding-fume loading, operating hours, filter area, cleaning method and system pressure.

Replace or clean the filter according to the specific product instructions and actual filter condition.

Can a welding fume extractor guarantee OSHA compliance?

No single product alone guarantees workplace compliance.

The complete ventilation system, welding process, materials, exposure levels, work area and applicable regulations must all be considered.

Can a fume extraction torch affect shielding gas?

It can if the extraction airflow is incorrectly adjusted.

The extraction and shielding-gas systems must be balanced to maintain weld quality while capturing fume.

What industries use fume extraction MIG torches?

Typical applications include fabrication, automotive production, heavy equipment, shipbuilding, structural steel and general industrial MIG/MAG welding.

Does INWELT offer OEM welding fume extractors and fume extraction torches?

Yes.

OEM/ODM options can include branding, torch configuration, cable length, connector, extraction hose, filter system, voltage and packaging, subject to technical confirmation.

Request a Quote for INWELT Welding Fume Extraction Solutions

For faster product selection and system matching, provide:

• Welding process

• Welding machine manufacturer and model

• Welding current

• Shielding gas

• Welding-wire diameter

• Required duty cycle

• Number of welding stations

• Existing welding torch

• Required capture method

• Required extraction-hose length

• Available power supply

• Existing extraction equipment, if any

• Required filter configuration

• Estimated purchasing quantity

• INWELT or private-label branding

INWELT can then evaluate the appropriate fume extraction torch and extraction-unit configuration for your welding application.