Arcair invented the original air carbon arc process and remain the world leaders in this technology. The K4000 torch is designed to work with maximum ease of use and efficiency for the operator. It can be used for weld removal, back-gouging, edge preparation, defect repair, etc, on all most all metal types as the heat input is so low.
The K400 is the heavy duty version with a 360 deg swivel cable, ideal for use in steel fabrication, ship building, railroads,etc. Standard torch is supplied with a 2.1 m long hose but 3 m is available.
The torch accepts both round and flat electrodes, ranging in size from 4 mm (5/32'') to 13 mm (1/2'') round electrodes and 10 mm (3/8'') and 16 mm (5/8'') flat electrodes.
The K4000 is rated at 1,000 Amps, it uses compressed air between 5.6 and 7.0 kg/cm2 (80 and 100 psi) and between 0.85 and 0.99 m3/min (30 and 35 cfm). The torch and cable weigh 2.4 kg (5.4 lbs).
Replacements parts are also available.