HETO TAPERED (DAMPER)

Our most versatile duct fitting, combining efficient use of space and optimal airflow when a tapered take-off with a damper is required.

• SPECIAL CHARACTERISTICS:

• • GSI HETOs are designed and tested to surpass SMACNA Class 3 Leakage Standards*
  • Pre-sealed with gasket made of EPDM rubber and proprietary co-polymer
  • Zero VOCs
  • Galvanized Steel (ASTM A653 and A924)
  • G-60 Galvanized Coating (ASTM A653 and ASTM A90)
  • Available in Specialty Metals:
  • G-90 Galvanized Steel
  • Aluminum (ASTM B209 Alloy 3003 Temper H14)
  • 304 Stainless Steel (ASTM A480 2B Finish)
  • Pressure Rating: Designed per SMACNA Third Edition 2005 Section 4.8 Figure 4-6 Branch Connections
  • Dimensional Tolerance: ± 1/4"
  • * Test performed on standard duct fitting without dampers

TAPERED HETO DOWNLOAD