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LINEMAN’S TOOLS & EQUIPMENT

Duct Couplers

Duct Couplers

PRODUCT # see chart below

DC-10 Duct Couplers are two-piece split design held together by 4 stainless steel bolts. The DC-10 connects two ends of inner duct while sealing the joint against air leakage during a cable-air installation. The coupler is reusable or can be installed as a permanent connection. The coupler can easily be installed by one person with the DH-10 Duct Holder Tool and available in a variety of sizes.

Specifications:

  • Size: 3 1/4″ x 4″ x 3 1/2″ installed
  • Material: Corrosion resistant aluminum
  • Weight: 1 1/2 lbs. +/- depending upon duct size
  • Bolts: 4 each stainless steel- 5/16-18NC x 1 1/4″ long
  • Tension Requirement: Annular pointed ridges on the inside of the coupler cause an interference fit with the outside of the duct creating a joining that takes a minimum of 4,000 lbs. to pull apart.
  • Air Sealing Requirement: 1/4″ thick x 3/4″ wide adhesive backed foam tape at the joint will exceed the requirement of a cable-air duct run: no more than
    a 20 psi drop in pressure in two minutes starting from a sealed pressure 100-130 psi.
  • Special Requirement: The coupler can be machined to connect two ducts of different outside diameters allowing for transition from one pipe size to another.
  • DC-10-1.30…………………………… 1” I.D. ribbed
    DC-10-1.40…………………………… 1 1/8” I.D. ribbed
    DC-10-1.50…………………………… 1 ¼” I.D. ribbed
    DC-10-1.66…………………………… SDR11, 1 ¼” I.D. S.Wall
    DC-10-1.90…………………………… SDR11, 1 ½” I.D. S.Wall
    DC-10-2.35…………………………… SDR11, 2” I.D. S.Wall
    DC-10-2.35/3.53 ……………………..Transitional
    DC-10-3.53…………………………… SDR11, 3” I.D. S.Wall
    * Many other sizes are also available upon request.

     

    Push-2-Connect Couplers:

    Maximum Burst Pressure: >300 psi
    Maximum Sustained Pressure (15 min.): >300 psi
    Maximum Air Pressure Pass Through: 450 psi
    Maximum Pull: >1500 lb.

     

    Product Description_______To Fit Duct Outer Diameter___S&R Part No.
    Push2Connect-1.66…………………………….1.66”………………………….554019
    Push2Connect-1.58…………………………….1.58”………………………….553259
    Push2Connect-1.58/1.66……………………1.58”/1.66”……………………551756
    Push2Connect-2.375……………………………2.375”……………………….509884

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