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822 Krais Expander 3/4" O.D. 13 GA

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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