The RBK 20 has the same tube size capability as the RBK 16 (ID 10mm to 78mm). However, the arc gap adjustment is a simpler construction and the wire feed unit is fixed (does not rotate with the torch). 
Technical Data: |
RBK 16 |
RBK 20 |
Welding Position: |
Horizontal, Vertical |
Horizontal, Vertical |
Position Control: |
Encoder |
Encoder |
Welding Current: |
Max. 200 A |
Max. 200 A |
Rotation Speed: |
Min. 0.33 RPM
Max. 6.0 RPM |
Min. 0.33 RPM
Max. 6.0 RPM |
Rotation Motor: |
24 VDC Motor controlled |
24 VDC Motor controlled |
Wire Motor: |
18 VDC Standard Motor |
18 VDC Standard Motor |
Front Support: |
Three Point Support |
Three Point Support |
Mandrel Support Vessel: |
Stainless Steel |
Stainless Steel |
Torch Cooling: |
Water up to Electrode |
Water up to Electrode |
Transmission: |
Current by Lamellar Coupling;
Gas/Water by Rotary Coupling |
Current by Lamellar Coupling;
Gas/Water by Rotary Coupling |
Weight with Wire Unit: |
10 kg |
6 kg |
Weight without Wire Unit: |
8 kg |
5 kg |
Dimensions RBK 20:
Weld Head RBK 16 without Wire Feed (Item No. 1.1.3501)
Weld Head RBK 16 with Wire Feed (Item No. 1.1.3502)
Weld Head RBK 20 without Wire Feed (Item No. 1.1.3503)
Weld Head RBK 20 with Wire Feed (Item No. 1.1.3504)
More tube to tubesheet weld heads on request. |
Package includes: