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Oriflow, LLC
727-400-4881
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    • Introduction to Allowable Leakage Specification
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      • Allowable Leakage based on SMACNA Leakage Class
      • Allowable Leakage based on Percentage on System CFM
      • Allowable Leakage based on DW/143 Duct Pressure Class
    • Download Duct Test Sheets (calculate allowable leakage, duct surface area and more!)
      • Oriflow Duct Leakage Test Sheet: SMACNA Leakage Class
      • Oriflow Duct Leakage Test Sheet: Percent Allowable
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You are here: Home / Software / Allowable Leakage based on DW/143 Duct Pressure Class

Allowable Leakage based on DW/143 Duct Pressure Class

Allowable Leakage based on DW/143 Duct Pressure Class
sq.meters
Pa
L/s
L/s per sq.meter

Calculations based on the DW/143 guide published by the Building & Engineering Services Association, Sixth Edition. We assume no liability for use of this program. We have made every effort available to make sure this program calculates correctly, and it is up to the user to verify the calculations are correct.

Oriflow, LLC 2125 Range Rd., Suite B - Clearwater, Florida 33765

sales@oriflow.com
Tel: 727-400-4881

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  • Home
  • Products
    • Compare Models
    • Cobra Tester
    • Panther Tester
    • Rhino Tester
    • Accessories
      • Smoke Machines
      • Flexible Duct
      • Dust Covers
  • Contact Us
  • Technical
    • All Technical Topics
    • Introduction to Allowable Leakage Specification
    • Technical Calibrations
    • ANSI/ASHRAE 90.1-2010 – Leakage Specification
    • Duct Leak Testing Supply System
    • Duct Leakage Testing – RETURN SYSTEM
    • Orifice Plates
    • Manometers
  • Software
    • Online Programs
      • Allowable Leakage based on SMACNA Leakage Class
      • Allowable Leakage based on Percentage on System CFM
      • Allowable Leakage based on DW/143 Duct Pressure Class
    • Download Duct Test Sheets (calculate allowable leakage, duct surface area and more!)
      • Oriflow Duct Leakage Test Sheet: SMACNA Leakage Class
      • Oriflow Duct Leakage Test Sheet: Percent Allowable
  • Videos
  • Testimonials
  • Request a Quote