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  • 800 Series Exp Krais
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822 Krais Expander 3/4" O.D. 13 GA

  • 800 Series Exp Krais
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Part number: 822

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The 822 Krais Expander 3/4" O.D. is a robust and reliable tool designed for precision tube expanding in heat exchangers, boilers, and condensers. Specifically engineered for 13 gauge tubes, this expander ensures a secure and leak-proof fit. Its durable construction and meticulous design provide consistent, high-quality expansions, making it an essential tool for professionals seeking efficiency and longevity in their tube fabrication and maintenance operations.

822 Specifications

  • Manufacturer:Krais
  • Tube O.D. (in.):0.75
  • Tube O.D. (mm):19
  • Series:800 Series; 3-Roll
  • Tube I.D. (in.):0.56
  • Tube I.D. (mm):14.22
  • BWG:13
  • Tube Sheet Thickness (in.):1-1/4 to 2-1/4 in.
  • Tube Sheet Thickness (mm):31.7 to 57.1 mm
  • Mandrel:M-8
  • Mandrel Square (in.):3/8"
  • Mandrel Square (mm):9.5
  • Expansion Range Max (in.):0.615
  • Expansion Range Max (mm):15.62
  • Expansion Range Min (in.):0.55
  • Expansion Range Min (mm):13.97
  • Tube Gauge (in.):0.095
  • Tube Gauge (mm):2.41
  • Electric Motor:TES3000 G1450, TESMini2ES2
  • Pneumatic Motor:K50-400
  • Roll Set No.:R-8-A