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Welding Equipment

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.

  • Unitek Miyachi Phasemaster III 1-220-01 welding controller – front panel with % Current, Weld Time, Temperature dials and indicator lights Unitek Miyachi Phasemaster III welding controller – three-quarter front view showing front panel controls and ventilation slots

    Unitek Miyachi 1-220-01 PM3 Phasemaster III Welding Controller 115V 15A

    Unitek Miyachi

    $525.00
    Was: $1,100.00
    Unitek 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 precision control of weld current, weld time, and...
    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.
    $525.00
    Was: $1,100.00
  • Unitek Miyachi Phasemaster III welding controller bundle — full system view with controller, Unipulse transformer, parallel gap welding head, and foot pedal Unitek Phasemaster III front panel showing percent-current, weld time, time-at-temp dials, and power/temp/weld indicator lights alongside Unipulse transformer

    Unitek Miyachi Phasemaster III 1-220-01 Welding Controller w/ Unipulse

    Unitek Miyachi

    $1,200.00
    Was: $2,400.00
    Unitek 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 SCR-based control for weld time and temperature...
    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.
    $1,200.00
    Was: $2,400.00
  • Polaris Electronics Accu-Weld 7100 multi-station projection cap welder head – front-left view showing control panel and pneumatic cylinder actuator on stainless steel frame Polaris Accu-Weld 7100 weld head – rear-right view showing rotary indexing table with 10 weld tooling fixtures and open electronics enclosure at upper right

    Polaris Electronics Accu-Weld 7100 AC Multi-Station Projection Cap Welder Head

    Polaris Electronics

    $1,400.00
    Was: $2,800.00
    Polaris 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 sealing. Features a 10-position rotary indexing table...
    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.
    $1,400.00
    Was: $2,800.00
  • Polaris Electronics Accu-Weld 5100 80KVA cap welder power supply – left-side cabinet view showing Polaris Electronics Corp logo on top panel Polaris Electronics Accu-Weld 5100 – rear view showing two RoMan welding transformer connectors, power strip, and flexible hose

    Polaris Electronics Accu-Weld 5100 80KVA Projection Cap Welder Power Supply 480V

    Polaris Electronics

    $4,000.00
    Was: $8,000.00
    Polaris 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 packages. Operates on single-phase 480V primary input...
    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.
    $4,000.00
    Was: $8,000.00
  • Linde US Welding nitrogen gas tank full view showing blue cylinder body with green cap and heavy exterior wear Linde nitrogen cylinder label showing NITROGEN, UN1066, NON FLAMMABLE diamond, and dry grade high pressure caution text

    Linde US Welding Nitrogen Gas Tank DOT-3AA2400 UN1066 CGA 580 Valve

    Linde

    $250.00
    Was: $500.00
    Linde 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 connection. Supplied empty.Specifications & What's...
    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.
    $250.00
    Was: $500.00
  • Precision Gas Products 3.40% Diborane Balance Argon aluminum gas cylinder — full front view showing label and flammable hazard diamond Top of Precision Gas Products specialty gas cylinder showing Superior Valve Company handwheel valve and neck threads

    Precision Gas Products 3.40% Diborane Balance Argon Gas Cylinder DOT-3AA2015

    Precision Gas Products Inc

    $250.00
    Was: $500.00
    Precision 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 and features a Superior Valve Company valve...
    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.
    $250.00
    Was: $500.00