Welding (PAW)
Lower Costs, Minimize Downtime with the Highest-Quality Plasma Arc Welding Torches & Parts
Plasma arc welding is a precise process, the slightest variations in front end part tolerances will result in poor weld quality, premature torch body failure and other problems that cost you money.
Arc-Zone® delivers the parts you need, when you need them. We work with your production team, tool crib manager or welding engineers to ensure easy access to the highest-quality Plasma Arc Welding products and services on the planet.
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Arc-Zone.com®, Inc. is not affiliated with Thermal Dynamics Corporation. We supply high quality replacement parts manufactured by or for Arc-Zone® to demanding specifications. The parts are engineered to be interchangeable with Thermal Dynamics® parts, are not OEM parts and are not endorsed by Thermal Dynamics®. Thermal Dynamics® is a registered trademark of Thermal Dynamics Corporation.
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Liner Assembly w/ Old Style Gas Distributor
$127.008-4012 Liner Assembly with O-Rings. Old style with "Short" Gas Distributor. Arc-Zone Performance Proven™ Replacement for Thermal Dynamics® PWH/M 4A Plasma Arc Welding Torch. Note: For extended torch life use...8-4012$127.00 -
4A Gas Distributor - 9-2204
$131.439-22044A Gas Distributor, Insulating Sleeve. Arc-Zone Performance Proven™ Replacement for Thermal Dynamics® PWH/M 4A Plasma Arc Welding Torch. Note: For extended torch life use Updated 9-2204 Gas Distributor with 8-4011 Liner...9-2204$131.43 -
3A Shield Cup Gasket
$2.008-3057 Priced Individually, Sold in Packages of 10. Gasket, Shield Cup. Arc-Zone Performance Proven™ Replacement for Thermal Dynamics® PWH/M 3A Plasma Arc Welding Torch.8-3057$2.00 -
Shield Gas Diffuser
$18.858-3059 Shield Gas Diffuser. Arc-Zone Performance Proven™ Replacement for Thermal Dynamics® PWH/M 3A Plasma Arc Welding Torch. Priced and Sold Individually.8-3059$18.85 -
O-Ring, Back Cap - 8-0527
$1.358-0527 Priced Individually, Sold in Packages of 10. O-Ring, Back Cap. Arc-Zone Performance Proven™ Replacement for Thermal Dynamics® PWH/M 3A Plasma Arc Welding Torch.8-0527$1.35 -
Protective Cable Lead Cover
$60.00 - $82.17Upgraded Protective Cable Lead Cover (Select Length From Options Above) Constructed of Highly-Flexible Ballistic Nylon Material with Shielded Zipper. Arc-Zone Performance Proven™ Replacement for Thermal Dynamics® Plasma Arc Welding torch cable...$60.00 - $82.17 -
2A Gas Distributor
$82.00 - $105.00Gas Distributor 2A Gas Distributor .040" (1.0mm) or 3/32" (2.4mm) Electrodes. This is a Genuine Arc-Zone® Performance Proven™ Replacement for Thermal Dynamics® PWH/M 2A Plasma Arc Welding Torch. Priced and Sold Individually.$82.00 - $105.00 -
Collet, 3/32" (2.4mm) for 3A
$14.009-1780 Electrode Collet, 3/32" (2.4mm). Arc-Zone Performance Proven™ Replacement for Thermal Dynamics® PWH/M 3A Plasma Arc Welding Torch. Priced and Sold Individually.9-1780$14.00 -
Torch Handle - 9-5914
$464.109-5914 Torch Handle. Arc-Zone Performance Proven Replacement for Thermal Dynamics® PWH/M 4A Plasma Arc Welding Torch.9-5914$464.10 -
2A Shield Cup Gasket
$6.108-2036 Priced Individually, Sold in Packages of 5. Gasket, Shield Cup. This is a Genuine Arc-Zone® Performance Proven™ Replacement for Thermal Dynamics® PWH/M 2A Plasma Arc Welding Torch.8-2036$6.10 -
O-Ring - 8-2035
$2.318-2035 Priced Individually, Sold in Packages of 10. O-Ring, Back Cap. This is a Genuine Arc-Zone® Performance Proven™ Replacement for Thermal Dynamics® PWH/M 2A Plasma Arc Welding Torch.8-2035$2.31 -
OEM Torch Handle
$299.998-2026 (Replaces 8-2134) 2A OEM Style Small I.D. Torch Handle. Small I.D. handle design makes it difficult to install PAW hose and cables without damaging expensive hose lead sets. Step up your 2A torch Performance and Lower Maintenance...8-2026$299.99 -
Machine Barrel Step-up Adapter for 2A PAW Torches
$21.98Machine Barrel Step-up Adapter for 2A PAW Torches (for use with large 9-1757 handle) Machine barrel handle adapter for the 2A PAW series torch bodies, requires handle 9-1757. This is a Genuine Arc-Zone® Performance...9-5557$21.98 -
180° In-Line Torch Package w/ 25' (7.6m) Leads
$2,358.082-2851 Torch Package, In-Line 180 Degree Machine Torch Body with 25' (7.6m) Leads. This is a Genuine Arc-Zone Performance Proven™ Replacement for Thermal Dynamics® 4A Plasma Arc Welding Torch. Torch Setup & Operation Guides: Optimize Your...2-2851$2,358.08 -
Tungsten Electrode, 3/32" (2.4mm)
$6.549-1747 Priced Individually, Sold in Packages of 10. Precision Ground PAW Electrodes, 3/32" (2.4mm). AMPLIFY™ High-Performance 2% Thoriated Tungsten. Arc-Zone Performance Proven™ Replacement for Thermal Dynamics® PWH/M 3A Plasma Arc...9-1747$6.54 -
.040" (1.0mm) Collet - 8-2041
$6.758-2041 Priced Individually, Sold in Packages of 10. Collet, for .040" (1.0mm) Electrode. This is a Genuine Arc-Zone® Performance Proven™ Replacement for Thermal Dynamics® PWH/M 2A Plasma Arc Welding Torch.8-2041$6.75 -
3/32" (2.4mm) Collet - 8-2039
$21.008-2039 Collet, for 3/32" (2.4mm) Electrode. This is a Genuine Arc-Zone® Performance Proven™ Replacement for Thermal Dynamics® PWH/M 2A Plasma Arc Welding Torch. Priced and Sold Individually.8-2039$21.00 -
Tungsten Electrode, 3/16" (4.8mm)
$13.999-1827 Priced Individually, Sold in Packages of 10. Precision Ground Tungsten Electrodes, 3/16" (4.8mm) Diameter x 3.560" (90.4mm). AMPLIFY™ High-Performance 2% Thoriated Tungsten. Arc-Zone Performance Proven™ Replacement for Thermal...9-1827$13.99 -
O-Ring - 9-2863
$4.459-2863 Priced Individually, Sold in Packages of 5. O-Ring, for use on constricting Tips. Arc-Zone Performance Proven™ Replacement for Thermal Dynamics® PWM 300 Plasma Arc Welding Torch.9-2863$4.45 -
180° In-Line Torch Packages w/ Quick Disconnect
$2,026.48 - $2,125.78Torch Package, In-Line 180 Degree Machine Torch Body with 12.5' (3.8m) or 25' (7.6m) Leads and Quick Disconnect Installed. This is a Genuine Arc-Zone Performance Proven™ Replacement for Thermal Dynamics® 4A Plasma Arc Welding Torch...$2,026.48 - $2,125.78 -
PWH/M 4A Precision Ground Electrodes
$13.239-1834 PWH/M 4A Plasma Arc Welding Precision Ground Tungsten Electrode. 3/16" (4.8mm) Diameter x 4.375" (111mm) Long. Minimize production downtime and lower inventory costs with Arc-Zone Amplify™ Premium PAW electrodes. Conveniently packaged in...9-1834$13.23 -
180° In-Line Torch Packages w/ Rack Assembly
$2,174.83 - $2,446.49180° In-Line Torch Packages w/ Rack Assembly Torch Package, 180 Degree, In Line Machine Torch Body with 12.5' (3.8m) or 25' (7.6m) Lead Set and Mounting Barrel / Rack Assembly. This is a Genuine Arc-Zone Performance Proven™ Replacement for...$2,174.83 - $2,446.49 -
Long Tungsten Electrode, 3/32" (2.4mm)
$4.998-2007 Priced Individually, Sold in Packages of 10. Long, Precision Ground PAW Electrodes, 3/32" (2.4mm) x 2.650" (67.31mm). AMPLIFY™ High-Performance 2% Thoriated Tungsten. Arc-Zone Performance Proven™ Replacement for Thermal Dynamics®...8-2007$4.99 -
Machine Barrel Mounting Nut
$68.008-4018 High-Quality Composite Mounting Nut. For machine mounting barrels 2A, 3A, 4A, & PWM-300 Thermal Dynamics® plasma arc welding torches. Arc-Zone Performance Proven™ Replacement for Thermal Dynamics® Plasma...8-4018$68.00 -
PWH/M 3A Single End Precision Ground Electrode 3/32" (2.4mm) x 3.400" (86.3mm)
$5.109-1775 Priced Individually, Sold in Packages of 10. PWH/M 3A Extra Long 3/32" (2.4mm) x 3.400" (86.3mm) Precision Ground PAW Electrodes. AMPLIFY™ High-Performance 2% Thoriated Tungsten. Arc-Zone Performance Proven™ Replacement for...9-1775$5.10 -
Long Double-End Ground Electrode, 3/32" (2.4mm)
$6.158-2007-D Priced Individually, Sold in Packages of 10. Long -- Double End -- Precision Ground PAW Electrodes, 3/32" (2.4mm) x 2.650" (67.31mm). AMPLIFY™ High-Performance 2% Thoriated Tungsten. Arc-Zone Performance Proven™ Replacement for...8-2007-D$6.15 -
PWH/M 3A Double End Precision Ground Electrode 3/32" (2.4mm) x 3.400" (86.3mm)
$5.609-1775-D Priced Individually, Sold in Packages of 10. Extra Long -- Double End -- Precision Ground PAW Electrodes, 3/32" (2.4mm) x 3.400" (86.3mm). AMPLIFY™ High-Performance 2% Thoriated Tungsten. Arc-Zone Performance Proven™ Replacement for...9-1775-D$5.60 -
180° In-Line Torch Packages w/ Quick Connect & Rack
$2,452.08 - $2,548.08180° In-Line Torch Packages w/ Quick Connect & Rack Torch Package, 180 Degree In-Line Machine Torch Body with 12.5' (3.8m) or 25' (7.6m) Lead Set, Mounting Barrel / Rack Assembly and Quick-Disconnect Installed. This is a Genuine Arc-Zone...$2,452.08 - $2,548.08 -
Shield Cup - 8-4373
$27.258-4373 Shield Cup. Arc-Zone Performance Proven™ Replacement for Thermal Dynamics® PWM 300 Plasma Arc Welding Torch. Priced and Sold Individually.8-4373$27.25 -
Short Back Cap, Standard Electrode
$22.009-1779 Back Cap, Short. For Standard Length Electrodes. Arc-Zone Performance Proven™ Replacement for Thermal Dynamics® PWH/M 3A Plasma Arc Welding Torch. Priced and Sold Individually.9-1779$22.00 -
Long Back Cap, Extended Electrodes
$28.009-1803 Long Back Cap. For Extended Electrodes. Arc-Zone Performance Proven™ Replacement for Thermal Dynamics® PWH/M 3A Plasma Arc Welding Torch. Priced and Sold Individually.9-1803$28.00 -
Set Back Gauge / Wrench Assembly - 9-1810
$98.009-1810 Electrode Set-Back Gauge and Wrench Assembly. Arc-Zone Performance Proven™ Replacement for Thermal Dynamics® PWH/M 3A Plasma Arc Welding Torch. Priced and Sold Individually.9-1810$98.00 -
PWM 300 Gasket, Shield Cup
$2.758-6512 Priced Individually, Sold in Packages of 5. Gasket, Shield Cup. Arc-Zone Performance Proven™ Replacement for Thermal Dynamics® PWM 300 Plasma Arc Welding Torch.8-6512$2.75 -
Shield Cup Diffuser
$131.008-6652 Shield Cup Diffuser. Arc-Zone Performance Proven™ Replacement for Thermal Dynamics® PWM 300 Plasma Arc Welding Torch. Priced and Sold Individually.8-6652$131.00 -
Liner - 8-6509
$42.008-6509 Liner. Arc-Zone Performance Proven™ Replacement for Thermal Dynamics® PWM 300 Plasma Arc Welding Torch. Priced and Sold Individually.8-6509$42.00 -
O-Ring, Liner
$4.459-2956 Priced Individually, Sold in Packages of 5. O-Ring, for use on Liner assembly. Arc-Zone Performance Proven™ Replacement for Thermal Dynamics® PWM 300 Plasma Arc Welding Torch.9-2956$4.45 -
3A PAW Torch Handle
$46.009-1757 New Improved Handle For PWH 3A Torch Bodies. Arc-Zone Performance Proven™ Replacement for Thermal Dynamics® PWH 3A Plasma Arc Welding Torch.9-1757$46.00 -
Mounting Tube Cable Bushing w/ Strain Relief
$59.008-4204Cable Bushing with Strain Relief. Arc-Zone Performance Proven™ Replacement for Thermal Dynamics® 2A, 3A, 4A & PWM-300 Plasma Arc Welding Torches. Cable bushing for Thermal Dynamics plasma arc welding machine torches...8-4204$59.00 -
Torch Body to Machine Barrel Adapter Sleeve
$333.009-1778High-Quality Composite Torch Body to Machine Barrel Adapter Sleeve. For PWM/3A Plasma Arc Welding Torch Body to Mate with Insulating Sleeve #9-1901. Arc-Zone Performance Proven™ Replacement for Thermal Dynamics® 3A Plasma Arc...9-1778$333.00 -
Collet - 8-6650
$34.898-6650 Collet. Arc-Zone Performance Proven™ Replacement for Thermal Dynamics® PWM 300 Plasma Arc Welding Torch. Priced and Sold Individually.8-6650$34.89