Aluminum Couplings

Aluminum Expansion Ring Couplings Hard Coated
Aluminum Expansion Ring Couplings Hard Coated
  • Model: ALER100125
  • Shipping Weight: 0.9lbs
  • 2000 Units in Stock

Price:   Starting at: $14.00

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Aluminum Expansion Ring Couplings. Aluminum male and female swivel with rocker lugs. Hardcoated, smooth, satin-like finish of extruded 6061-T6 alloy.

Weight is one third that of cast brass and three times as strong. All parts are made of extrusions. The metal is dense and free of porosity.

All are hardcoated " "to reduce electrolysis. Hardcoat is a hard, dense coating formed by converting the surface of the aluminum alloy into a hard aluminum oxide. The coating " resists abrasion and corrosion. This is the standard gray finish on all extruded lightweight couplings.

Comes complete with rings and gaskets.


Materials SPECIFICATION (I.D.x Bowl Size)
Alumnium 1"x 1 3/16"
Alumnium 1"x 1 1/4"
Alumnium 1-1/2" x 1-11/16 "
Alumnium 1-1/2" x 1-3/4 "
Alumnium 1-1/2" x 1-13/16"
Alumnium 1-1/2" x 1-15/16 "
Alumnium 1-3/4"x 2-1/16"
Alumnium 1-3/4" x 2-1/8 "
Alumnium 2"x 2 5/16"
Alumnium 2"x 2 3/8"
Alumnium 2-1/2" x 2-13/16"
Alumnium 2-1/2" x 2-7/8"
Alumnium 2-1/2" x 3"

* Other size of couplings are available for request.



NST, NPSH and NPT are common threads. Other threads are available for requests.


NST (NH)= National Standard Thread
NPSH (IPT)= National Pipe Straight Hose Thread (Iron Pipe Thread)
NPT = National Pipe Thread (Tapered)


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This product was added to our catalog on Tuesday 18 December, 2012.