Clean Air fume extraction MIG gun with straight handle and optional short nozzle shroud

Clean Air fume extraction MIG gun with new black neck

Coiled Straight handle Clean Air fume extraction MIG gun

Clean Air™ Fume Extraction MIG Guns

Reduce fume at the source with an industrial-duty fume extraction MIG gun.

The Bernard® Clean Air™ fume extraction MIG gun is a source capture solution that helps to provide a cleaner, compliant work environment.

Completely redesigned to closely match the weight, handle size, durability and industrial grade performance of Bernard BTB semi-automatic air-cooled MIG guns, this fume extraction gun was built with welder comfort and productivity in mind.

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Small size of vacuum chamber provides good joint access and visibility
Vacuum hose swivel on rear of handle improves flexibility and reduces wrist fatigue
Crush and snag resistant vacuum hose which is durable enough to eliminate the need for a bulky vacuum hose cover
Vacuum chamber on front adjusts to one of four positions to optimize fume capture, gas flow and weld access
Ideal fume extraction solution for large weldment and confined space welding applications
Suitable for use with solid and flux-cored wires
Compatible with vacuum systems from most major manufacturers

Processes

MIG (GMAW) welding

Duty Cycle Ratings

300 amp model – 60%: 300 amp with mixed gases
400 amp model – 60%: 400 amp with mixed gases
500 amp model – 60%: 500 amp with mixed gases

Specifications

Available in 300, 400, and 500 amp models
Necks available in 45- and 60-degree angles for maximum feeding characteristics
Suitable for use with solid and flux-cored wires
Compatible with vacuum systems from most major manufacturers

Customize your Clean Air™ fume extraction MIG gun online

Configure the Bernard Clean Air fume extraction MIG gun gun part number you need, or reverse lookup your existing gun part number – plus get access to additional resources and an expanded replacement parts list with diagram.

This new mobile-friendly online configurator provides downloadable exploded view diagrams and other valuable takeaways that you can print, save for later, or share via email.

Check it out today!

Part Numbers

Consumables Systems

AccuLock™ S Consumables

Diffusers

For use with Front Load Liners

Part Number	Description
D-A1	Large, brass, thread-on
D-A2	Large, brass, slip-on
DS-A1	Small, brass, thread-on
DS-A2	Small, brass, slip-on

For use with Bernard® Rear Load Liners

Part Number	Description
D-A1	Large, brass, thread-on
D-A2	Large, brass, slip-on
DS-A1	Small, brass, thread-on
DS-A2	Small, brass, slip-on

Contact Tips

Part Number	Description
T-A035CH	for 0.035″ (0.9 mm) wire
T-A045CH	for 0.045″ (1.2 mm) wire
T-A062CH	for 0.052″ (1.3 mm) wire
T-A062CH	for 1/16″ (1.6 mm) wire

Nozzles

Large Nozzles

Part Number	Description
N-A3400C	3/4″ bore; flush, copper
N-A3414C	3/4″ bore; flush, copper
N-A3418C	3/4″ bore; 1/8″ recess, copper
N-A3414B	3/4″ bore; 1/4″ recess, brass
N-A3418B	3/4″ bore; 1/4″ recess, brass
N-A3418B	3/4″ bore; 1/4″ recess, brass
N-A5800C	5/8″ bore; flush, copper
N-A5814C	5/8″ bore; 1/8″ recess, copper
N-A5818C	5/8″ bore; 1/8″ recess, copper
N-A5814B	5/8″ bore; 1/4″ recess, brass
N-A5818B	5/8″ bore; 1/8″ recess, brass

Small Nozzles

Part Number	Description
NS-A5800C	3/4″ bore; flush, copper
NS-A5818C	3/4″ bore; flush, copper
NS-A5800B	3/4″ bore; 1/8″ recess, copper
NS-A5818B	3/4″ bore; 1/4″ recess, brass
NS-A1200B	3/4″ bore; 1/4″ recess, brass
NS-A1218B	3/4″ bore; 1/4″ recess, brass
NS-A1218C	1/2″ bore; 1/8″ recess, copper
NST-A3800B	3/8″ bore; flush, brass
NST-A38818B	3/8″ bore; 1/8″ recess, brass
NST-A38XTB	3/8″ bore; 1/8″ ext., brass
NST-A1218B	1/2″ bore; 1/8″ recess, brass

Nozzle Shrouds

Part Number	Description
1390185	Standard shroud, long
1390189	Short shroud (not configurable; must be purchased separately)

Centerfire™ Consumables

Diffusers

Part Number	Description
DS-1*	Small, brass
D-1	Large, brass

*For 300 Amp Only

Contact Tips

Part Number	Description
T-023	for 0.023″ (0.6 mm) wire
T-030	for 0.030″ (0.8 mm) wire
T-035	for 0.035″ (0.9 mm) wire
T-039	for 0.039″ (1.0 mm) wire
T-045	for 0.045″ (1.2 mm) wire
T-052	for 0.052″ (1.4 mm) wire
T-062	for 1/16″ (1.6 mm) wire
T-072	for 0.072″ (1.8 mm) wire
T-078	for 5/64″ (2.0 mm) wire
T-094	for 3/32″ (2.4 mm) wire

Nozzles

Part Number	Description
N-3414C	3/4″ bore; 1/4″ recess, copper
N-5814C	5/8” Bore, 1/4” recess, copper
N-5818C	5/8” bore, 1/8” recess, copper
NS-1218B*	1/2” bore, 1/8” recess, brass
NS-1218C*	1/2” bore, 1/8” recess, copper
NS-5818C*	5/8” bore, 1/8” recess, copper

*For 300 Amp Only

Nozzle Shrouds

Part Number	Description
1390132*	Standard shroud, long
1390134	Standard shroud, long
1390142	Short shroud (not configurable; must be purchased separately)

*For 300 Amp Only

TOUGH LOCK® Consumables

Contact Tips

Part Number	Description
403-20-30	for 0.030″ (0.8 mm) wire
403-20-35	for 0.035″ (0.9 mm) wire
403-20-1.0	for 0.040″ (1.0 mm) wire
403-20-45	for 0.045″ (1.2 mm) wire
403-20-364	for 3/64″ (1.2 mm) wire
403-20-52	for 0.052″ (1.4 mm) wire
403-20-1.4	for 0.055″ (1.4 mm) wire
403-20-116	for 1/16″ (1.6 mm) wire
403-20-1.8	for 0.070″ (1.8 mm) wire
403-20-78	for 0.078″ (2.0 mm) wire
403-20-564	for 5/64″ (2.0 mm) wire

Nozzles

Part Number	Description
402-6-62	5/8” Bore, 1/8” recess, copper
401-5-72	3/4” Bore, 1/4” recess, copper

Retaining Head

Part Number	Description
404-44	Brass

Nozzle Shrouds

Part Number	Description
1390135	Standard shroud, long
1390142	Short shroud (not configurable; must be purchased separately)

MIG Gun Liners

Front Load Liners

Important: Front load liners are a critical component of the complete AccuLock S consumables system, and can only be used with AccuLock contact tips, diffusers, nozzles, neck insulators, power pins and power pin caps specific to the system.

>> See Front Load Liner part numbers

Rear Load Liners

Part Number	Description
L2A-15	for 0.030″ – 0.035″ wire; 15 ft length
L2A-25	for 0.030″ – 0.035″ wire; 25 ft length
L3A-10	for 0.035″ – 0.045″ wire; 10 ft length
L3A-15	for 0.035″ – 0.045″ wire; 15 ft length
L3A-25	for 0.035″ – 0.045″ wire; 25 ft length
L4A-10	for 0.045″ – 1/16″ wire; 10 ft length
L4A-15	for 0.045″ – 1/16″ wire; 15 ft length
L4A-25	for 0.045″ – 1/16″ wire; 25 ft length
L6A-15	for 5/64″ wire; 15 ft length
L7A-15	for 3/32″ wire; 15 ft length
L7A-25	for 3/32″ wire; 25 ft length

Bernard

Tregaskiss

Clean Air™ Fume Extraction MIG Guns

Reduce fume at the source with an industrial-duty fume extraction MIG gun.

Processes

Duty Cycle Ratings

Specifications

Customize your Clean Air™ fume extraction MIG gun online

Part Numbers

Consumables Systems

Retaining Head

MIG Gun Liners

Documentation

Consumables

Videos

Product Updates

Related Articles

Press Releases

Additional Resources