MEMBERS OF

TUBE TO TUBESHEET WELD HEADS

TSWH-1.25

The TSWH-1.25 tube to tube sheet weld head is designed for TIG welding small tube to tube sheet, suitable for carbon and stainless steel.  It can also be used for recessed, projected and flush tubing, with or without wire feed.  

TSWH-1.25.pdf
Adobe Acrobat document [87.2 KB]


TSWH-1.25 requires manipulator see page 19 of our catalog for further details.

 
 

 

 

• High precision with fast and accurate performance, suitable for small heat exchanger
• Auto AVC control with on and off function for manual adjustments
• Water cooled TIG weld head, easy to change or adjust Tungsten
• No twist wire and special wire feeding design for accurate/repeatable single and multi pass welds
• Integrated wire feed for recessed, projected or flush tube ends
• Uses localized guide for self-centering of welds 1”OD and under using TPF-M manipulator
• Expandable mandrels to be used with optional spring balancer for welds 1”OD or larger
• Buttons on handle for easy operation.
• Recommended power unit = OW-ARC 250 or 400

 
   
Diameter Range mm (inches) 8-32mm (.375"-1.25")
Rotation Speed (rpm) 0.37 - 7.39rpm
Arc Adjusting Distance 18mm (0.71")
Weight  11kg (24 lbs) without cable
Standard Cable Length L=5m (16.5')
Tungsten Diameter  2.4mm (3/32"")
Max wire feeding speed 1800mm (5.8')
Wire Diameter 0.8, 0.9, 1.0 (0.030", 0.035", 0.040")
Cooling Water
Cooling flow (ml/min) 600 / 1.26 gal
Protective Gas Ar / Mixed Gases
Duty Cycle 300A at 60%
Dimensions (mm) 550 x 290 x 510mm (21" x 11" x 20")

TSWH-1.5

Designed for TIG welds for tube to tube sheet carbon and stainless steel.  Mainly used for flush tube connections that require no wire feed.

TSWH-1.5.pdf
Adobe Acrobat document [55.6 KB]

 

 

 


• Tube to tube sheet welding without filler wire
• Commonly used for stainless steel, titanium and nickel alloy tube to tube sheet welding
• Small, light and simple operation
• Uses localized guide for self-centering with optional spring balancer
• Expandable centering mandrel designed for precise positioning
• Enhanced water cooling system and high duty cycle for durability
• Recommended power unit = OW-ARC 180, 250 or 400

 

 

Diameter Range mm (inches) 16-38mm (.63"-1.5")
Rotation Speed (rpm) 0.6 - 12rpm
Weight kg (lbs) 3.5kg (8lbs)
Cooling Water
Protective Gas Ar / Mixed Gases
Standard Cable Length L=12m (40')
Joint Type Flush
Tungsten Diameter 2.4mm (3/32"")
Welding Degree 0°- 7°
Duty Cycle 100A at 70%
Dimensions (mm) 310 x 80 x 165mm (12" x 3.15" x 6.5")



TSWH-3

The TSWH-3 tube to tube sheet weld head is designed for TIG welding tube to tube sheet, suitable for carbon and stainless steel.  It can also be used for recessed, projected and flush tubing with or without wire feed.   We recommend for pipe with an OD of less than 1.25” with manipulator/balancer.   For pipe with OD more than 1.25” the self centering mandrel is used with our optional spring balancer.

TSWH-3.pdf
Adobe Acrobat document [108.9 KB]

 

 

 

 


• With/without wire feeding TIG DC/pulse welding
• Continous rotation weld head with no cable twist
• Suitable for Tungsten electrodes 1/16 up to 1/8
• Expandable pneumatic mandrel for easy positioning
• Easily connects to the balancer 
• Suitable for tube to tube sheet welding (boiler industry)
• Compatible with manipulator - useful within the heat exchange industry
• Material types - carbon and stainless steel, and other alloys 
• For flush tube, recessed (1 mm max.) and projected (not over 5mm)tube ends
• Arc voltage control (AVC) for consistent arc length
• Recommended power unit = OW-ARC 250 or 400

 

Diameter Range mm (inches)

 

16-60mm expandable to 80mm  

(.630"-2.36" expandable to 3.15")

Rotation Speed (rpm) 0.37 - 7.39rpm  
Arc Voltage Adjustment mm (inches) 20mm (.79")  
Welding Torch Angle  0°- 30°  
Standard Cable Length L=5m (16')  
Welding Current/Duty Cycle 300A at 70%  
Protective Gas Ar / Mixed Gases  
Wire Feeding Speed mm/min (inches/min) 2200mm/min  (86.6"/min)  
Wire Diameter mm (inches) 0.8, 0.9, 1.0 (0.030", 0.035", 0.040")  
Cooling  Water   
Joint Type Flush, projected or recessed  
Weight kg (lbs) 13kg (28lbs)  
Dimensions  550 x 290 x 510  (22" x 11.4" x 20")  

 

 

TSWH-i-75 (Inner)

The TSWH-i-75 tube to tube sheet weld head is designed for inner tube to tube sheet TIG welding and is suitable for carbon and stainless steel without wire feed.  

TSWH-i-75.pdf
Adobe Acrobat document [120.5 KB]



• Commonly used on heat exchangers, inner tube to tube sheet welding 
• Minimum inner tube diameter of 19mm (.75 inches) 
• Precise positioning and accurate/repeatability welding
• Suitable for carbon and stainless steel
• Can customize according to specific requirements
• Recommended power unit =  OW-ARC 250 or 400

 

Tube OD ±19mm (.75")
Depth for Inner Tube 20-120mm (.75"-4.75')
Tube Thickness 1-2.5mm (0.040"-0.1")
Connection Tube insert, flush tube
Rotation Speed (rpm) 0.37 - 7.39 rpm
Tungsten Diameter  2.4mm (0.095")
Arc Adjusting Distance  15mm (0.59')
Protective Gas Ar / Mixed Gases
Weight (excludes cable) 11kg (24lbs)
Cooling Flow 600ml
Cooling Water
Standard Cable Length L=5m (16')



TSWH-i-1 (with Wire Feed)

This welding head is also designed for inner tube to tube sheet TIG welding with integrated wire feeder.  

TSWH-i-1.pdf
Adobe Acrobat document [120.5 KB]

 

 

 

• Inner-hole with integrated  wire feed
• No wire twisting with special wire feed design
• Minimum inner tube diameter of 25mm
  (1 inch) 
• Acheives complex single and multi layer welds
• Can customize according to specific requirements
• Special water cooling feature 
  (cools to the end of torch, near the Tungsten)
• Recommended power unit =  OW-ARC 250 or 400

 

Tube OD 25mm (1")
Depth for Inner Tube 20-80mm (.75"-3')
Connection Tube insert, flush tube
Tungsten Diameter  2.4mm (3/32"")
Rotation Speed (rpm) 0.37 - 7.39 rpm
Arc Adjusting Distance  15mm (0.59')
Max Wire Feed Speed 1800mm/min (5.83"/min)
Protective Gas Ar / Mixed Gases

 

Weight (excludes cable) 12kg (26lbs)
Cooling Flow  600ml 
Cooling Water
Standard Cable Length L=5m (16')

TSWH-HB-625 (Headerbox)

This weld head is designed for deep hole tube to tube sheet TIG welding.  It is suitable for carbon steel, stainless steel and most TIG
type materials.

TSWH-HB-625.pdf
Adobe Acrobat document [87.1 KB]

 

• Commonly used for special heat exchanger needs within the chemical industry 
  (for example: air-cooled hydrogenation)
• Perfect for wire feed welds in hard to reach areas
• Narrow space welds reaching 4.75” to 8.5”
  (4.75” to 8.5” is the min. and max. distance between the two tube plates)
• Can customize according to specific requirements
• Torch angle negative 3 degrees
• Optional external or integrated wire feed available see page 22
• Recommended power unit = OW-ARC 250 or 400

 

Tube OD 25 or 32mm (1"-1.25)
Depth for Inner Tube 230mm (9") Including plate thickness
Connection Flush tube
Rotation Speed (rpm) 0.37 - 7.39 rpm
Tungsten Diameter  2.4mm (0.095")
Torch Angle -3 °
Arc Adjusting Distance  18mm (0.70')
Protective Gas Ar / Mixed Gases

 

Weight (excludes cable) 13kg (28lbs) no cable
Cooling Flow  600ml 
Cooling Water
Duty Cycle 200A 60%
Standard Cable Length L=5m (16')
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