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  • Tweco 21-37 (1210-1100) 21 Series 3/8" Standard Thread-On Tip Recess Nozzle (2 Pack)

Tweco 21-37 (1210-1100) 21 Series 3/8" Standard Thread-On Tip Recess Nozzle (2 Pack)

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Tweco 21-37 (1210-1100) 21 Series 3/8" Standard Thread-On Tip Recess Nozzle (2 Pack)

 

 

Professional & Weldskill 21 Series Air Cooled Slip-On Nozzles are self insulated and offered in thread-on or slip-on (REL) variants. 

 

 

3-Piece Nozzle Design Includes:

 

  • Nozzle Housing - Cut and Formed form 122 DHP copper alloy tubing 
  • Nozzle Insert - machined from a solid brass alloy and machining the internal threads to match the gas diffuser
  • Nozzle Insulator - made from G7 silicone material, providing the electrical insulation needed from the gas diffuser

 

(Call for high usage quote - 641-201-1352)

 

 

  • Used in light to medium duty welding applications up to 180 amps
  • Easy identification - Part No. rolled stamped on the outside surface
  • Tapered nozzle 3-pieces design - does not require an additional insulator 
  • Nozzle threads onto the gas diffuser 

 

 

PART NUMBER 21-37
MODEL 1210-1100
SERIES 21
COOLING Air
INSIDE DIAMETER 3/8" (9.5 mm)
NOZZLE DESIGN Standard
NOZZLE STYLE Thread-On
NOZZLE/CONTACT TIP RELATIONSHIP 1/8" - 5/32" Tip Recess 
3.2 mm - 3.97 mm)
OUTSIDE DIAMETER 0.750" (19.05 mm)

 

 

 PART NUMBER MODEL INSIDE DIAMETER NOZZLE DESIGN NOZZLE/CONTACT TIP RELATIONSHIP
21-37 1210-1100 3/8" (9.5 mm) Standard 1/8" - 5/32" Tip Recess
(3.2 mm - 3.97 mm)
21-37F 1210-1102 3/8" (9.5 mm) Standard Flush to 1/16" (1.6 mm) Tip Recess
21T-37 1210-1300 3/8" (9.5 mm) Tapered 1/8" - 5/32" Tip Recess
(3.2 mm - 3.97 mm)
21T-37F 1210-1302 3/8" (9.5 mm) Tapered Flush to 1/16" (1.6 mm) Tip Recess
21-50 1210-1110 1/2" (12.7 mm) Standard 1/8" - 5/32" Tip Recess
(3.2 mm - 3.97 mm)
21-50F 1210-1112 1/2" (12.7 mm) Standard Flush to 1/16" (1.6 mm) Tip Recess
21-62 1210-1120 5/8" (15.9 mm) Standard 1/8" - 5/32" Tip Recess
(3.2 mm - 3.97 mm)
21-62F 1210-1122 5/8" (15.9 mm) Standard Flush to 1/16" (1.6 mm) Tip Recess

 

 

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