Welding Equipment
Welding equipment encompasses a wide range of tools and machinery used in the process of joining metals together through the application of heat. This category includes welders, welding guns, electrodes, welding helmets, welding gloves, welding curtains, and other protective gear essential for a safe and effective welding operation. Welding equipment is used in various industries such as construction, automotive, manufacturing, and metal fabrication. Investing in high-quality welding equipment is crucial for achieving strong and durable welds. Browse our selection of top-notch welding equipment to find everything you need for your welding projects.
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Unitek Miyachi 1-220-01 PM3 Phasemaster III Welding Controller 115V 15A
Unitek Miyachi
$525.00Was: $1,100.00Unitek Miyachi 1-220-01 PM3 Phasemaster III Welding Controller 115V 15AThe Unitek Miyachi Phasemaster III (Model 1-220-01, Catalog No. PM3) is a phase-fired resistance welding controller designed for...52804- SKU:
- 52804
- Availability:
- Usually ships within 1-2 business days.
- Weight:
- 30.00 LBS
- Brand:
- Unitek Miyachi
- Model:
- 1-220-01
- MPN:
- 1-220-01
- Catalog Number:
- PM3
- Type:
- Resistance Welding Controller
- SKU:
- 52804
- Seller Notes:
- Includes attached welding cables and power cord. Unit only — no external weld head included.
- Country/Region of Manufacture:
- United States
- Form Factor:
- Benchtop
- Power Requirements:
- 115V AC, 15A, 60Hz
- Voltage Rating:
- 115V AC
- Current Rating:
- 15 Amps
- Frequency:
- 60 Hz
- Duty Cycle:
- 50%
- Valve Output Voltage:
- 120 VAC (Valve 1 and Valve 2)
- Valve Current Rating:
- 0.5 Amps
- Circuit Breakers:
- CB1 (15A), CB2 (10A)
- Weld Mode:
- Weld / Temp / No Weld (switch selectable)
- Front Panel Controls:
- % Current, Weld Time (cycles), Time at Temp (cycles), Temperature
- Indicators:
- Power, At Temperature, Weld (red LED indicators)
- Pressure Inputs:
- Pressure Switch 1, Pressure Switch 2
- Pilot Outputs:
- Pilot 1, Pilot 2
- Condition:
- Used – Pulled from Working Environment
- Serial Number (Internal):
- 06044
- Condition Notes:
- Unitek Miyachi 1-220-01 Phasemaster III Welding Controller. Inspected, in good used condition; pulled from a working environment. Shows normal surface wear, scuffing, and rust spotting on rear plugs. Cables and connectors included.
- California Prop 65 Warning:
- WARNING: This product can expose you to chemicals including lead and lead compounds, and DEHP (a phthalate), which are known to the State of California to cause cancer and birth defects or other reproductive harm. Go to P65Warnings.ca.gov
$525.00Was: $1,100.00 -
Unitek Miyachi Phasemaster III 1-220-01 Welding Controller w/ Unipulse
Unitek Miyachi
$1,200.00Was: $2,400.00Unitek Miyachi Phasemaster III 1-220-01 Welding Controller w/ Unipulse TransformerPhase-fired resistance welding controller system designed for micro and precision welding applications. Operates with...52796- SKU:
- 52796
- Availability:
- Usually ships within 1-2 business days.
- Weight:
- 63.00 LBS
- Brand:
- Unitek Miyachi
- Model:
- Phasemaster III
- MPN:
- 1-220-01
- Secondary Model:
- 9-006-01 Transformer / 2-127-05 Welding Head
- Type:
- Resistance Welding Controller System
- SKU:
- 52796
- Condition:
- Used – Pulled from Working Environment
- Seller Notes:
- Includes Unipulse transformer (9-006-01), parallel gap welding head (2-127-05), and foot pedal
- Country/Region of Manufacture:
- United States
- Form Factor:
- Benchtop
- Included Components:
- Controller, Unipulse Transformer, Parallel Gap Welding Head, Foot Pedal
- Welding Type:
- Resistance Welding / Parallel Gap Welding
- Control Method:
- Phase-fired (SCR-based) with weld time and temperature control
- Front Panel Controls:
- % Current, Weld Time, Time at Temp dials; Power, Temp, Weld indicators
- Transformer Model:
- Unitek Unipulse 9-006-01 Welding Transformer
- Welding Head Model:
- Unitek Parallel Gap Welding Head 2-127-05
- Actuator / Trigger:
- Foot pedal (included)
- Application:
- Micro resistance welding, thermocouple welding, wire bonding, electronics assembly
- Compatible With:
- Unitek Miyachi resistance welding systems and accessories
- Condition Notes:
- Unitek Miyachi Phasemaster III 1-220-01 welding controller bundle inspected and in good used condition. Pulled from a working environment where it was actively in use and functional.
- California Prop 65 Warning:
- WARNING: This product can expose you to chemicals including lead and lead compounds, and DEHP (a phthalate), which are known to the State of California to cause cancer and birth defects or other reproductive harm. Go to P65Warnings.ca.gov
$1,200.00Was: $2,400.00 -
Polaris Electronics Accu-Weld 7100 AC Multi-Station Projection Cap Welder Head
Polaris Electronics
$1,400.00Was: $2,800.00Polaris Electronics Accu-Weld 7100 AC Multi-Station Projection Cap Welder Head B07-0130-10AC projection resistance cap welder head designed for automated microelectronic and optoelectronic package...52230- SKU:
- 52230
- Availability:
- Usually ships within 1-2 business days.
- Weight:
- 152.00 LBS
- Brand:
- Polaris Electronics Corp
- Model:
- Accu-Weld 7100
- MPN:
- B07-0130-10
- Secondary Model:
- 5022-01
- SKU:
- 52230
- Type:
- AC Multi-Station Projection Cap Welder Head
- Condition:
- Used – Pulled from Working Environment
- Number of Stations:
- Multi-Station (10-position rotary indexing table)
- Weld Type:
- AC Projection / Resistance Cap Welding
- Compatible Packages:
- DIP, TO, Optical, Semiconductor, Crystal, Custom
- Application:
- Microelectronic and Optoelectronic Package Sealing
- Control Panel:
- Integrated Polaris Electronics Corp keypad controller
- Control Functions:
- Squeeze Time, Weld Time, Hold Time, Percent Power, Index
- Control Features:
- Weld Schedule Memory, Review Schedule, No Weld, Counter Reset
- Actuator Type:
- Pneumatic cylinder
- Power Supply Required:
- Yes – external power supply required (not included)
- Overall Dimensions:
- 14" W x 12" D x 28" H
- Country/Region of Manufacture:
- United States
- Form Factor:
- Benchtop / Floor-Standing
- Seller Notes:
- Weld head only — external power supply required and not included. 10 weld tooling fixtures present on rotary table.
- Condition Notes:
- Polaris Accu-Weld 7100 cap welder head, used, visually inspected. Cannot be tested — external power supply required, not included. Frame and table show surface corrosion and industrial wear. All 10 tooling fixtures present. Sold as-is.
- California Prop 65 Warning:
- WARNING: This product can expose you to chemicals including lead and lead compounds, and DEHP (a phthalate), which are known to the State of California to cause cancer and birth defects or other reproductive harm. Go to P65Warnings.ca.gov
$1,400.00Was: $2,800.00 -
Polaris Electronics Accu-Weld 5100 80KVA Projection Cap Welder Power Supply 480V
Polaris Electronics
$4,000.00Was: $8,000.00Polaris Electronics Accu-Weld 5100 80KVA Projection Cap Welder Power Supply 480V80 KVA projection capacitor welder power supply designed for precision welding of microelectronic and optoelectronic...52226- SKU:
- 52226
- Availability:
- Large equipment — requires palletized freight shipping. Contact us for a shipping quote or to arrange local pickup.
- Weight:
- 925.00 LBS
- Brand:
- Polaris Electronics Corp
- Model:
- Accu-Weld 5100
- MPN:
- A17-5022-95
- Secondary Model:
- 5022-00
- Type:
- Projection Cap Welder Power Supply
- SKU:
- 52226
- Power Rating:
- 80 KVA
- Primary Voltage:
- 480V
- Secondary Voltage Max:
- 480V
- Secondary Voltage Min:
- 122V
- Phase:
- Single Phase
- Frequency:
- 60 Hz
- Duty Cycle:
- 50%
- Waterflow:
- 1 GPM
- Temperature Rise:
- 110°C
- Welding Transformer Make:
- RoMan Mfg. Inc.
- Welding Transformer Model:
- S48680J2249W5W
- Transformer Spec No.:
- 2249
- Cooling Unit:
- Bernard (model not fully legible in photos)
- Application:
- Microelectronic & optoelectronic package welding
- Compatible Package Types:
- DIP, TO, optical, semiconductor, crystal, custom
- Dimensions:
- 40" W x 18" D x 38" H
- Condition:
- Used – Inspected
- Seller Notes:
- Includes RoMan transformer and Bernard cooling unit. Welding head not included. Requires palletized freight.
- Country/Region of Manufacture:
- United States
- Form Factor:
- Floor-Standing Cabinet on Casters
- Condition Notes:
- Polaris Accu-Weld 5100 80KVA cap welder power supply, inspected and in good used condition. Cabinet shows light shop wear. RoMan transformer and Bernard cooling unit included. Welding head not included. Palletized freight required.
- California Prop 65 Warning:
- WARNING: This product can expose you to chemicals including lead and lead compounds, and DEHP (a phthalate), which are known to the State of California to cause cancer and birth defects or other reproductive harm. Go to P65Warnings.ca.gov
$4,000.00Was: $8,000.00 -
Linde US Welding Nitrogen Gas Tank DOT-3AA2400 UN1066 CGA 580 Valve
Linde
$250.00Was: $500.00Linde US Welding Nitrogen Gas Tank DOT-3AA2400 UN1066 CGA 580 ValveHigh-pressure nitrogen cylinder manufactured to DOT-3AA2400 specifications. Rated for 2400 PSI working pressure with CGA 580 valve...47622- SKU:
- 47622
- Availability:
- Usually ships within 1-2 business days.
- Weight:
- 170.00 LBS
- Brand:
- Linde / US Welding
- Model:
- DOT-3AA2400
- MPN:
- DOT-3AA2400
- Type:
- High-Pressure Nitrogen Gas Cylinder
- SKU:
- 47622
- Gas Type:
- Nitrogen (N2)
- UN Number:
- UN1066
- DOT Specification:
- DOT-3AA2400
- Working Pressure:
- 2400 PSI
- Valve Connection:
- CGA 580
- Gas Grade:
- Dry Grade
- Flammability:
- Non-Flammable
- Cylinder Color:
- Blue (body), Green (cap)
- Condition:
- Used – Inspected
- Seller Notes:
- Tank only; sold empty. Valve included (CGA 580). No regulator included.
- Country/Region of Manufacture:
- United States
- Hazmat:
- Yes – High Pressure Gas Cylinder
- Compatible With:
- CGA 580 regulators; welding, purging, lab applications
- Condition Notes:
- Linde US Welding DOT-3AA2400 nitrogen cylinder, used, inspected. Heavy exterior wear, scuffing, and surface rust on body. CGA 580 valve present. Sold empty. Buyer responsible for verifying hydrostatic test date before refilling.
- California Prop 65 Warning:
- WARNING: This product can expose you to chemicals including lead and lead compounds, and DEHP (a phthalate), which are known to the State of California to cause cancer and birth defects or other reproductive harm. Go to P65Warnings.ca.gov
$250.00Was: $500.00 -
Precision Gas Products 3.40% Diborane Balance Argon Gas Cylinder DOT-3AA2015
Precision Gas Products Inc
$250.00Was: $500.00Precision Gas Products 3.40% Diborane Balance Argon Gas Cylinder DOT-3AA2015Used aluminum gas cylinder containing a 3.40% diborane and argon mixture. This specialty gas cylinder is rated DOT-3AA2015...47624- SKU:
- 47624
- Availability:
- Usually ships within 1-2 business days.
- Weight:
- 65.00 LBS
- Brand:
- Precision Gas Products
- Model:
- DOT-3AA2015
- MPN:
- DOT-3AA2015
- Type:
- Specialty Gas Cylinder
- SKU:
- 47624
- Gas Mixture:
- 3.40% Diborane (B2H6) Balance Argon
- DOT Specification:
- DOT-3AA2015
- Cylinder Material:
- Aluminum
- Valve Brand:
- Superior Valve Company
- Valve Location:
- Washington, PA
- Hazard Classification:
- Flammable Gas
- Application:
- Semiconductor Doping, CVD, Research
- Condition:
- Used – Inspected
- Seller Notes:
- Sold as empty/surplus cylinder; gas content and pressure unknown — buyer responsible for verification
- Country/Region of Manufacture:
- United States
- Condition Notes:
- Used surplus Precision Gas Products 3.40% Diborane/Argon gas cylinder. Aluminum body shows surface wear. Valve present, no cap. Gas content and pressure unknown — buyer responsible for verification and recertification.
- California Prop 65 Warning:
- WARNING: This product can expose you to chemicals including lead and lead compounds, and DEHP (a phthalate), which are known to the State of California to cause cancer and birth defects or other reproductive harm. Go to P65Warnings.ca.gov
$250.00Was: $500.00 -
GE General Electric Specialty Control NEMA SH-50 Bench Welder 230/460V 1Ph Tube
GE Specialty Control
$150.00Was: $300.00GE General Electric Specialty Control NEMA SH-50 Bench Welder 230/460V 1Ph TubeTube-type bench welder manufactured by GE Specialty Control. Operates on single-phase 230/460V, 60Hz power and uses...47671- SKU:
- 47671
- Availability:
- Usually ships within 1-2 business days.
- Weight:
- 125.00 LBS
- Brand:
- General Electric
- Model:
- NEMA SH-50
- MPN:
- 7503SH190A1
- Secondary Model:
- NP-173839
- Type:
- Bench Welder
- SKU:
- 47671
- Seller Notes:
- Sold AS-IS for parts or repair; interior components accessible
- Country/Region of Manufacture:
- United States
- Form Factor:
- Benchtop
- Power Requirements:
- 230/460V, 1-Phase, 60Hz
- Phase:
- Single Phase
- Voltage Rating:
- 230/460V
- Frequency:
- 60 Hz
- NEMA Type:
- SH-50
- Construction Type:
- Tube-Type (Vacuum Tube)
- Manufacturer Division:
- GE Specialty Control
- Manufacture Location:
- Waynesboro, VA
- Condition:
- As-Is / For Parts or Not Working
- Condition Notes:
- GE Specialty Control NEMA SH-50 Bench Welder sold AS-IS for parts or repair. Not working, not tested. Interior tube components visible with burn marks on tubes. Heavy surface rust on exterior. No functionality guaranteed.
- California Prop 65 Warning:
- WARNING: This product can expose you to chemicals including lead and lead compounds, and DEHP (a phthalate), which are known to the State of California to cause cancer and birth defects or other reproductive harm. Go to P65Warnings.ca.gov
$150.00Was: $300.00 -
Hitran AT0098-01 Welding Power Supply Transformer 800V Input 22.8/11.4V 1Ph 60Hz
Hitran
$4,000.00Was: $8,000.00Hitran AT0098-01 Welding Power Supply Transformer 800V Input 22.8/11.4V 1Ph 60HzSingle-phase welding power supply transformer with 800V primary input and dual secondary output of 22.8V/11.4V...44932- SKU:
- 44932
- Availability:
- Freight shipping required — contact us for a shipping quote before purchasing.
- Weight:
- 685.00 LBS
- Brand:
- Hitran
- Model:
- AT0098-01
- MPN:
- AT0098-01
- Type:
- Welding Power Supply Transformer
- SKU:
- 44932
- Serial Number (internal):
- SN 049374-0002
- Catalog Number:
- AT0098-01 1000
- Primary Voltage (Input):
- 800V
- Secondary Voltage (Output):
- 22.8V / 11.4V
- Phase:
- Single Phase (1PH)
- Frequency:
- 60 Hz
- Insulation Class:
- ISO 200C Insulation System
- Temperature Rise:
- 110°C Rise
- Transformer Class:
- Class AA
- Insulation Type:
- ISO
- Enclosure:
- Enclosed steel cabinet with ventilated mesh panels
- Cooling:
- Liquid cooled — includes coolant hose
- Controls:
- Operate Throttle, Weld Pressure gauge, Pressure Regulator
- Interlock:
- No Weld Interlock toggle switch
- Sequencer:
- Weld Sequencer connector
- Data Interface:
- Data Cable port (multi-pin connector)
- Contactor:
- Telemecanique LC1 D4011 contactor with auxiliary
- Country/Region of Manufacture:
- United States
- Manufacturer Location:
- Flemington, NJ 08822
- Seller Notes:
- Includes coolant hose, weld sequencer, pressure controls, and data cable port. Freight shipping required.
- Condition:
- Used – Inspected, not bench-tested
- Condition Notes:
- Hitran AT0098-01 welding power supply transformer. Inspected, appears in good overall condition. Not bench-tested — sold without functional guarantee. Internal components and controls present and visually intact. Freight shipping required.
- California Prop 65 Warning:
- WARNING: This product can expose you to chemicals including lead and lead compounds, and DEHP (a phthalate), which are known to the State of California to cause cancer and birth defects or other reproductive harm. Go to P65Warnings.ca.gov
$4,000.00Was: $8,000.00 -
Palomar Products Microweld Head Control Relay Unit Motor Out Brake J201 w/
Palomar Products
$125.00Was: $250.00Palomar Products Microweld Head Control Relay Unit Motor Out Brake J201 w/ CablesControl relay unit for Palomar Microweld systems. Manages motor and brake functions for microweld head operation...32579- SKU:
- 32579
- Availability:
- Usually ships within 1-2 business days.
- Weight:
- 2.00 LBS
- Brand:
- Palomar Products
- Model:
- Microweld Head Control Relay Unit
- MPN:
- Microweld Head Control Relay Unit
- Type:
- Control Relay Unit
- SKU:
- 32579
- Condition:
- Used – Pulled from Working Environment
- Seller Notes:
- Some cables can be included; contact us for details
- Connector Ports:
- Motor Out, Brake, Motor In J201, Motor Off Switch
- Connector Type:
- Circular multi-pin connectors (3-pin and 4-pin)
- Motor In Port:
- J201 – 3-pin circular connector
- Motor Off Switch Port:
- 4-pin circular connector
- Motor Out / Brake Ports:
- Two 4-pin circular connectors
- Enclosure:
- Gray plastic enclosure with corner screws
- Application:
- Microweld head motor and brake control
- Compatible With:
- Palomar Products Microweld systems
- Country/Region of Manufacture:
- United States
- Condition Notes:
- Palomar Products Microweld Head Control Relay Unit. Inspected and in good used condition. Pulled from a working environment where it was in use and functional. Connectors intact. Some cables available — contact us.
- California Prop 65 Warning:
- WARNING: This product can expose you to chemicals including lead and lead compounds, and DEHP (a phthalate), which are known to the State of California to cause cancer and birth defects or other reproductive harm. Go to P65Warnings.ca.gov
$125.00Was: $250.00 -
Meltric 4-0901-K WS Welding Connector 500A 900A Heavy Duty Industrial
Meltric
$110.00Was: $225.00Meltric 4-0901-K WS Welding Connector 500A 900A Heavy Duty IndustrialThe Meltric 4-0901-K is a WS Series heavy-duty welding connector made by Meltric Corporation of Cudahy, Wisconsin. WS Series...21054- SKU:
- 21054
- Availability:
- Usually ships within 1-2 business days.
- Weight:
- 3.00 LBS
- Brand:
- Meltric
- Model:
- 4-0901-K
- MPN:
- 4-0901-K
- Type:
- WS Welding Connector
- SKU:
- 21054
- Current Rating:
- 500A / 900A
- Connector Series:
- WS Series
- Country/Region of Manufacture:
- United States
- Condition:
- Used – Inspected and in Good Condition
- Seller Notes:
- Includes both connector halves (male plug and female body). Original Meltric box included.
- Application:
- Heavy-duty industrial welding cable connections
- Material:
- Aluminum body (female); Black thermoplastic (male plug)
- Form Factor:
- Inline / Panel-Mount Connector
- Condition Notes:
- Meltric 4-0901-K WS Welding Connector inspected and in good condition. Both connector halves present. Aluminum body shows minor surface scuffing; male plug intact. Original box included.
- California Prop 65 Warning:
- WARNING: This product can expose you to chemicals including lead and lead compounds, and DEHP (a phthalate), which are known to the State of California to cause cancer and birth defects or other reproductive harm. Go to P65Warnings.ca.gov
$110.00Was: $225.00 -
Duffers Associates 311021 Percussion Welder Power Supply Benchtop Welder
Duffers Associates
$272.00Was: $550.00Duffers Associates 311021 Percussion Welder Power Supply Benchtop WelderBenchtop percussion welder power supply designed for capacitive discharge welding applications. Features rotary knob controls...9615- SKU:
- 9615
- Availability:
- Usually ships within 1-2 business days.
- Weight:
- 15.00 LBS
- Brand:
- Duffers Associates
- Model:
- 311021
- MPN:
- 311021
- Type:
- Percussion Welder Power Supply
- SKU:
- 9615
- Form Factor:
- Benchtop with Rack Mount Ears
- Condition:
- Used – Pulled from Working Environment
- Seller Notes:
- Unit only; no additional accessories confirmed included.
- AC Inlet Type:
- IEC C14 (4-pin style)
- Front Panel Controls:
- Rotary knob, digital/LED display
- Application:
- Percussion / Capacitive Discharge Welding
- Condition Notes:
- Duffers Associates 311021 Percussion Welder Power Supply in good used condition. Top panel shows scratches and paint wear from shop use. Acrylic rack ears intact. Not powered or tested at our facility; pulled from a working environment.
- California Prop 65 Warning:
- WARNING: This product can expose you to chemicals including lead and lead compounds, and DEHP (a phthalate), which are known to the State of California to cause cancer and birth defects or other reproductive harm. Go to P65Warnings.ca.gov
$272.00Was: $550.00