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TR400 Mixed Gas/Air Cooled Mig Welding Torch - Changzhou Inwelt

INWELT WELDING TECH Brand-new Premium quality 400Amp MIG gun stinger torch will handle 1.0-1.6 mm diameter welding wire.
It will feed mostly types of wire, steel wire using gas, and stainless steel wire.

Model:
TR400
Brand:
INWELT
Duty Cycle:
60%, 400A CO2, 300A Mixed Gases
Length:
3m / 3.5m / 4.5m
Cooling:
Air Cooled
Wire Size:
Φ1.0-1.6mm

Availability:

Quantity:



Inquire Add to Basket

Product Description

TR400 Mixed Gas/Air Cooled MIG Welding Torch - Premium Quality for Distributors

The TR400 Mixed Gas/Air Cooled MIG Welding Torch from Changzhou Inwelt is a Tregaskiss-style, high-performance welding gun designed for professional welders and large-scale distributors. Rated at 400A for CO2 and 300A for mixed gases with a 60% duty cycle, this torch delivers exceptional weld quality, ergonomic comfort, and unmatched durability. Ideal for industrial applications, it supports wire sizes from 1.0mm to 1.6mm, making it versatile for welding steel, stainless steel, and other materials.

Engineered for reliability and precision, the TR400 is a top choice for distributors looking to offer robust, cost-effective welding solutions to their clients. With customizable options and comprehensive support, this torch meets the demands of modern welding environments.

TR400-mig-welding-torch-

Key Features of the TR400 MIG Welding Torch

Superior Weld Quality

The TR400 features a unique nozzle design and reliable wire-feeding system, ensuring consistent welds with minimal spatter. This reduces downtime and enhances productivity, making it a favorite among professional welders.

Ergonomic Design for Comfort

Designed with welders in mind, the TR400 boasts comfortable, non-slip handles that provide optimal grip and control. Its ergonomic construction minimizes fatigue, allowing for extended use in demanding environments.

Exceptional Durability

Built with high-quality materials, the TR400 is engineered to withstand harsh welding conditions. Its robust construction reduces the need for frequent replacements, offering long-term value for distributors and end-users.

Wide Compatibility

The TR400 is compatible with a broad range of wire-feeding systems and welding machines, making it easy to integrate into existing workflows. This versatility ensures it meets the needs of diverse industrial applications.

Technical Specifications

Rating: 400A CO2 / 300A Mixed Gases
Duty Cycle: 60%
Wire Size: 0.040”–1/16” (1.0–1.6mm)
Cable Length Options: 3m, 4m, 5m
Cooling Type: Air-Cooled
Compatible Wires: Steel, Stainless Steel
Consumables: Compatible with Tregaskiss-style nozzles and contact tips

Product Parameters

Position	Description
1	Swan Neck 45°; Swan Neck 60°
2	Torch Body Assembly
3	Handle
4	Switch
5	Switch The Trigger
6	End Fitting
7	Cone Nut
8	Cable Ball Joint & Support Spring Big
9	Cable Assembly
10	Euro Direct Plug Kit
10-1	Rear Handle
10-2	Adaptor nut
10-3	Euro Central Connector
11	Rear Handle American Brand
12	Control Wire (Tweco/Miller)
12-1	Control Wire (Lincoln)
13	Tweco Central Connector
14	Miller Central Connector
15	Lincoln Central Connector
15-1	Gas Tube

A	Nozzle 1/2″ 12.7mm 1/4″ Recess Copper
	Nozzle 3/4” 19mm 1/4” Recess Copper
	Nozzle 5/8” 15.9mm 1/4″ Recess Copper
	Nozzle 1/2” 12.7mm 1/8” Recess Copper
	Nozzle 5/8” 15.9mm 1/8” Recess Copper
	Nozzle 3/4” 19mm 1/8” Recess Copper
	Nozzle 5/8” 15.9mm 1/4” Recess Brass
	Nozzle 3/4″ 19mm 1/8” Recess Brass
	Nozzle 5/8″ 15.9mm 1/8” Recess Brass
	Nozzle 5/8” 15.9mm Flush Bottleneck Copper
	Nozzle 5/8” 15.9mm 1/8” Stick Out Brass
	Nozzle 5/8” 15.9mm 1/8” Stick Out Copper
B	Contact Tip .030” 0.8mm
	Contact Tip .035” 0.9mm
	Contact Tip .040” 1.0mm
	Contact Tip .045” 1.2mm
	Contact Tip .052” 1.4mm
	Contact Tip 1/16” 1.6mm
	Contact Tip .078″ 2.0 mm
	Contact Tip 3/32″ 2.4 mm
C	Gas Diffuser (5/16-18Thd)
D	Nozzle Retainer
E	Neck Insulator
F	Liner for .045″-1/16″(1.2-1.6mm) 10FT(3.0m)
	Liner for .045″-1/16″(1.2-1.6mm) 15FT(4.6m)
	Liner for .045″-1/16″(1.2-1.6mm) 25FT(7.6m)

Technical Data	Rating: 400A CO2/300A Mixed Gases
	Duty Cycle: 60%
	Wire Size: 040”-1/16”(1.0-1.6mm)
Type	TR400 MIG GUN Miller Connector
	TR400 MIG GUN Tweco Connector
	TR400 MIG GUN Lincoln Connector
	TR400 MIG GUN Euro Connector

Multiple Options for Rear Connectors

Gas cooled mig welding torch

Applications and Industries

The TR400 MIG Welding Torch is ideal for a wide range of applications, including:

Automotive repair and manufacturing
Metal fabrication and construction
Heavy machinery maintenance
Shipbuilding and aerospace

Its ability to weld materials like steel and stainless steel with minimal oxidation makes it a versatile tool for industrial and commercial projects.

Our Catalog:

INWELT MIG WELDING TORCH.pdf

FAQ:

Can I request a sample for testing?

Yes, we provide samples for testing, charged reasonably based on our negotiation. Contact us to arrange your sample order.

Is customization available for the TR400?

Absolutely! We offer OEM/ODM services, including logo branding, custom cable lengths, and tailored packaging to meet your brand’s requirements.

What support do you offer distributors?

We provide special discounts, marketing protection, and technical support for installation and aftermarket needs. Our team is dedicated to your success.

Why Partner with Changzhou Inwelt?

Changzhou Inwelt Welding Technology Co., Ltd. is a trusted manufacturer of industrial-grade welding torches, certified with CE and ISO standards. We specialize in serving medium to large wholesalers and international brands with fast production, global shipping, and free warehousing solutions. Our commitment to quality and customization ensures your business stands out in the competitive welding market.

Contact us today to request a sample, discuss customization options, or explore bulk order opportunities. Let Inwelt help you grow your distribution business with premium welding solutions!