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A7 TIG Orbital System 300© Kemppi Oy 2016 1615
OPERATING MANUAL
4. ADDITIONAL DETAILS
4.1 Controller technical data
Property Value
Mains connection voltage 230 VAC ± 10 %
Fuse (delayed) 16 A
Maximum output current 220 A @ 40 %, 170 A @ 100 %
Weld heads 300 series
Weight 33.2 kg
External dimensions (W x L x H) 273 x 501 x 670 mm
Degree of protection IP 23
Auto-stop yes
Operating temperature -20…+40 °C
4.2 Weld head technical data
Property Value
Application Multi-pass orbital GTAW pipe-to-pipe, pipe-to-tting
Pipe outer diameter (OD) 25–355 mm (1 – 14”)
Cable length 7.6 m standard; extension cables available
Carriage clamping Ring for each pipe size
Welding positions all
Filler-wire module Wire size: 0.8, 0.9, 1.0 mm
Max. wire speed: 2540 mm/min.
Spool size: 1 kg std; 0.5 kg low prole
Oscillation module Max. oscillation stroke amplitude: 16 mm
Max. oscillation speed: 1520 mm/min
Oscillation dwell: 0–1 sec.
Cross-seam adjustment: ±6.4 mm
Arc-gap control module 13 mm stroke; additional mechanical adjustment
allows welding heavier wall pipes
Torch propulsion module 250 mm maximum rotation speed
Water-cooled torch 200 A continuous capacity
Torch adjustment capability Torch lead/lag adjustment: ±15° (manual)
Torch tilt adjustment: ±10° (manual)
Weight 3,6 kg
Axial clearance Torch C/L to rear extremity: 220 mm
Torch C/L to front extremity: 10 mm
Radial clearance 64 mm (2.5”) with standard spool
51 mm (2.0”) with low prole spool
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