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 steel, stainless steel, titanium and other nickel alloys.  It can also be used for recessed, projected and flush tubing, with or without wire feed.


TSWH-1.25 requires a manipulator call for more details.

Tube Sheet Welder

• 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
• Integrated wire feed for recessed, protuded or flush tube ends
• Buttons on handle for easy operation
• Uses localized guide for self-centering of welds 1.25”OD and under using TPF-M  
  manipulator
• Recommended power unit = OW-ARC 250 or 450

Diameter Range mm (inches)8-32mm (.375″-1.25″)
Rotation Speed (rpm)0.37 – 7.39rpm
Arc Adjusting Distance18mm (0.71″)
Weight 11kg (24 lbs) without cable
Standard Cable LengthL=5m (16.5′)
Tungsten Diameter 2.4mm (3/32″”)
Max wire feeding speed1800mm (5.8′)
Wire Diameter0.8, 0.9, 1.0 (0.030″, 0.035″, 0.040″)
CoolingWater
Cooling flow (ml/min)≥600 / ≥1.26 gal
Protective GasAr / Mixed Gases
Duty Cycle300A at 60%
Dimensions (mm)550 x 290 x 510mm (21″ x 11″ x 20″)

TSWH-1.5 Fusion Tube to Tube Sheet Weld Head

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

• 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 450

Diameter Range mm (inches)16-38mm (.63″-1.5″)
Rotation Speed (rpm)0.6 – 12rpm
Weight kg (lbs)3.5kg (8lbs)
CoolingWater
Protective GasAr / Mixed Gases
Standard Cable LengthL=12m (40′)
Joint TypeFlush
Tungsten Diameter2.4mm (3/32″”)
Welding Degree0°- 7°
Duty Cycle100A 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 steel, stainless steel, titanium and other nickel alloys.  It can also be used for recessed, protruded 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.

Tube Sheet Welder

• With/without wire feeding TIG DC/pulse welding
• Continous rotation weld head with no cable twist
• Suitable for Tungsten electrodes 3/32 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 450

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 LengthL=5m (16′)
Welding Current/Duty Cycle300A at 70%
Protective GasAr / 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 TypeFlush, 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.

TWSH-i-75

• 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 450

Tube OD±19mm (.75″)
Depth for Inner Tube20-120mm (.75″-4.75′)
Tube Thickness1-2.5mm (0.040″-0.1″)
ConnectionTube insert, flush tube
Rotation Speed (rpm)0.37 – 7.39 rpm
Tungsten Diameter 2.4mm (0.095″)
Arc Adjusting Distance 15mm (0.59′)
Protective GasAr / Mixed Gases
Weight (excludes cable)11kg (24lbs)
Cooling Flow≥600ml
CoolingWater
Standard Cable LengthL=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

• Inner-hole with integrated wire feed
• No wire twisting with special wire feed design
• Minimum inner tube diameter of 25mm (1 inch) 
• Achieves 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 450

Tube OD≥25mm (1″)
Depth for Inner Tube20-80mm (.75″-3′)
ConnectionTube 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 Speed1800mm/min (5.83″/min)
Protective GasAr / Mixed Gases
Weight (excludes cable)12kg (26lbs)
Cooling Flow ≥600ml 
CoolingWater
Standard Cable LengthL=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

• 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 
• Recommended power unit = OW-ARC 250 or 450 • Recommended power unit = OW-ARC 250 or 400

Tube OD25 or 32mm (1″-1.25)
Depth for Inner Tube230mm (9″) Including plate thickness
ConnectionFlush 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 GasAr / Mixed Gases
Weight (excludes cable)13kg (28lbs) no cable
Cooling Flow ≥600ml 
CoolingWater
Duty Cycle200A 60%
Standard Cable LengthL=5m (16′)