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Oriflow, LLC
727-400-4881
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  • 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
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Compare Models

English Units




Test Pressure (in.wg.) Maximum Leakage Capacity (cfm)*
Cobra Panther Rhino
0.1 680 cfm 1400 cfm 1700 cfm
1 650 cfm 1350 cfm 1630 cfm
2 645 cfm 1320 cfm 1550 cfm
4 600 cfm 1210 cfm 1420 cfm
6 465 cfm 1065 cfm 1330 cfm
7 405 cfm 970 cfm 1255 cfm
8 350 cfm 875 cfm 1185 cfm
9 250 cfm 745 cfm 1110 cfm
10 — 615 cfm 1035 cfm
12 — 270 cfm 895 cfm
14 — — 660 cfm
16 — — 480 cfm




* – Using the largest size orifice plate. Use smaller orifices for smaller flow ranges; largest orifice for maximum flow range.

Metric Units





Test Pressure (Pa) Maximum Leakage Capacity (L/s)*
Cobra Panther Rhino
25 320 L/s 660 L/s 800 L/s
250 305 L/s 635 L/s 770 L/s
500 305 L/s 625 L/s 730 L/s
1000 285 L/s 570 L/s 670 L/s
1500 220 L/s 505 L/s 630 L/s
1750 190 L/s 460 L/s 590 L/s
2000 165 L/s 415 L/s 560 L/s
2250 120 L/s 350 L/s 525 L/s
2500 — 290 L/s 490 L/s
3000 — 125 L/s 420 L/s
3500 — — 310 L/s
4000 — — 225 L/s





* – Using the largest size orifice plate. Use smaller orifices for smaller flow ranges; largest orifice for maximum flow range.

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

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

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MENU
  • 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