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OT — Tapered Increaser

Assets/Details

Performance Data (63 KB, PDF)
  • Used when a pipe diameter change is required.
  • Materials Available: 304/ALZ, 316/ALZ, 304/304, 316/316
  • Dimensions:
    • A = Smaller Diameter
    • B = Larger Diameter
    • C = Installed Length = [(B-A) 2] +2 (see Note 1 below)
      • Example: Installed Length for 12VSI304-18OT equals [(18-12)2] + 2 = 14".

Ordered Part Includes:

OT, plus one two-piece Outer Jacket, and one VB for smaller diameter. Fiber insulation provided for IVSI models.

Notes:

  • Installed length shall not be greater than longest available straight pipe length (see page 7) for each diameter.
  • K = N [1 -(A/B)2]2
    • where N = 0.47 for one step OT
    • N = 0.53 for two step OT