Kuriyama-Couplings™ Aluminum Dust Plugs

Applications for these cam-and-groove couplings include agriculture, chemicals/petroleum, construction, and material handling.

  • ASTM B85 Grade 383 aluminum alloy for high tensile strength, lightness & rigidity
  • Forged brass handles for less wear on connecting parts
  • Zinc-plated carbon steel handle pins, pull rings & safety clips
  • Buna-N gaskets
  • Safety clip, locking feature prevents disconnection during use (all except 1/2")
  • Comply with Mil-Spec A-A-59326 for interchangeability (all except 1/2")
  • Pressure rating at 70°F: 1/2"-2" 250 psi, 2-1/2"-4" 150 psi & 6" 75 psi
Stock Description Catalog Pg. Price
1/2" Aluminum Coupling Dust Plug
31121
$3.07​/Each
Save 5%10+$2.91/Each
Save 10%20+$2.76/Each
Save 15%60+$2.61/Each
P-207
$3.07​/Each
3/4" Aluminum Coupling Dust Plug
31122
$3.64​/Each
Save 5%10+$3.45/Each
Save 10%20+$3.27/Each
Save 15%60+$3.09/Each
P-207
$3.64​/Each
1" Aluminum Coupling Dust Plug
31125
$3.56​/Each
Save 5%10+$3.38/Each
Save 10%20+$3.20/Each
Save 15%60+$3.02/Each
P-207
$3.56​/Each
1-1/4" Aluminum Coupling Dust Plug
31135
$4.58​/Each
Save 5%10+$4.35/Each
Save 10%20+$4.12/Each
Save 15%60+$3.89/Each
P-207
$4.58​/Each
1-1/2" Aluminum Coupling Dust Plug
31136
$3.22​/Each
Save 5%10+$3.05/Each
Save 10%20+$2.89/Each
Save 15%60+$2.73/Each
P-207
$3.22​/Each
2" Aluminum Coupling Dust Plug
31137
$4.05​/Each
Save 5%10+$3.84/Each
Save 10%20+$3.64/Each
Save 15%60+$3.44/Each
P-207
$4.05​/Each
2-1/2" Aluminum Coupling Dust Plug
31138
$8.27​/Each
Save 5%10+$7.85/Each
Save 10%20+$7.44/Each
Save 15%60+$7.03/Each
P-207
$8.27​/Each
3" Aluminum Coupling Dust Plug
31139
$6.75​/Each
Save 5%10+$6.41/Each
Save 10%20+$6.07/Each
Save 15%60+$5.73/Each
P-207
$6.75​/Each
4" Aluminum Coupling Dust Plug
31140
$11.93​/Each
Save 5%10+$11.33/Each
Save 10%20+$10.73/Each
Save 15%60+$10.14/Each
P-207
$11.93​/Each
6" Aluminum Coupling Dust Plug
31141
$27.68​/Each
Save 5%10+$26.29/Each
Save 10%20+$24.91/Each
Save 15%60+$23.52/Each
P-207
$27.68​/Each