Experience the Difference

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All of our competitors get a “passing grade” complying with UL-181 testing. Many of the 16 UL-181 tests date back to 1962 when the Standard was first adopted. UL-181 has been a solid standard over the years especially when it comes to fire & smoke testing. The current UL-181 tests for Air Ducts & Air Connectors include:

Test Air Ducts Air Connectors
Surface Burning Characteristics
x
x
Flame Penetration
x
Burning
x
x
Corrosion
x
x
Mold Growth & Humidity
x
x
Temperature
x
x
Puncture
x
Static Load
x
x
Impact
x
x
Erosion
x
x
Pressure
x
x
Collapse
x
x
Tension
x
x
Torsion
x
x
Bending
x
x
Leakage
x
x

When you’ve been in the flex duct business as long as JPL (59 years), you learn through experience that there is more involved in manufacturing a quality and reliable flexible duct than meets the eye (or) requires more than 16 tests.

Over the last 59 years JPL created a stable of additional tests that made JPL one of the top-quality flexible ducts in the country. Here’s the list of additional tests (above & beyond the 16 UL-181 tests) that JPL conducts either daily, weekly or monthly to assure that JPL flex duct maintains its “Best in Class” reputation.

  • Core Water Soak -Daily
  • Finished Good Lengths – Numerous times Daily
  • Positive Pressure ratings at Elevated Temperatures- Bi-Monthly
  • Core Positive Wire Cast – Bi-Weekly
  • Jacket & Core Adhesive Weights – Numerous times Daily
  • Core Circumference calibration –Bi-Monthly
  • Strength of Poly-bag Packaging Seal – Random on every receipt of material
  • Core Rub / Delamination – Numerous times Daily
  • Polyester Film Coating (Blue Dot) – Each Roll on every receipt
  • Insulation density weights – Random on every receipt
  • Wire Gauge Verifications – Random on every receipt

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