• Modular design in mechanical structure, arms, brackets, cylinders.
• Cylinder with chrome plated stem for heavy duty works and long life; adjustable anti-rotation device.
• Lubrication free pneumatic components to eliminates oil mist and to protect the environment.
• Head descent without pressure for set up and service.
• Double-stroke cylinder withkey control.
• Built-in compressed air filter unit and tank.
• Compressed air disconnecting device.
• Electrodes speed control valves, shock absorber for end of stroke and air discharge silencers assuring the minimum noise.
• Two stage electric foot control for clamping and welding pieces only if correctly positioned.
• Pre-setting for additional double stage electric foot connection for the direct recalling of welding program no.2.
• Water-cooled transformer, plates, electrode-holders and electrodes; transformer with epoxy resin coated windings.
• TE550 costant current microprocessor control unit.
• Synchronous SCR contactor insulated from cooling water circuit with protection thermostat.
• Standard on all models: two-hand safety control with timer assuring the best safety, and removable key selector. The two-hand control push-buttons are standard on projection models only (thay are available on request on spot welder models).
• Emergency push-button to stop the machine immediately.

Options

• 8230 – Valve to stop the flow of the water cooling when the machine is off and flow switch which makes the welder stop if the cooling water does not circulate.
• 8232 – Rotary selector for recalling the welding programs.
• 8234 – Double stroke control device with pneumatic foot instead of key one. To be used only for spot welding when the work necessarily requires it.
• 8235 – Cylinder 1242 daN (diameter 125 mm double stage) total stroke 100 mm (only on items 8201D..09D and 8214D).
• 8236 – Adjustable double stroke for cylinder 736 daN (standard).
• 8237 – Adjustable double stroke for cylinder 1242 daN (option 8235).
• 8238 – Low force squeeze for cylinder 736 daN (standard).
• 8239 – Low force squeeze for cylinder 1242 daN (option 8235).
• 8240 – Proportional valve.
• Costant energy welding control unit.