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A21 PRB 33-90

Tube to Tube Weld Heads

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Features

  • Small, flexible, and lightweight
  • Heads based on unique clamp-on principle to reduce set-up time
  • Available in air-cooled or water-cooled versions
  • Available in three sizes for tubes with outer diameters of 17 mm (0.67 in) to 170 mm (6.7 in)
  • Use with Prowelder and Protig power sources
  • Complete with 7 m (23 ft) connection cable
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Classifications

Specifications

A21 PRB 33-90
Rate of rotation 0.1-1.6 rpm
Tube OD 33-90 mm, 1.3-3.5 in
Tube OD, Option 20-33 mm, 0.8-1.3 in
Max welding current @ 100% duty cycle, water cooled 250 A
Max welding current @ 100% duty cycle, air cooled 100 A
Electrode diameter 1.6-2.4 mm, 1/16-3/32 in
Weight (less cables) 3.2 kg, 7.1 lb
Minimum spacing required between two parallel tubes D/2+94* mm, D/2+3.7* in

Ordering Information

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Part No.

A21 PRB 33-90
Part No. Model / Product Description UPC
443760880 PRB 33-90, WATER COOLED  
443760881 PRB 33-90, AIR COOLED  

Accessories

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Extra Info