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
$3.22/Each
Save 5%10+$3.05/Each
Save 10%20+$2.89/Each
Save 15%60+$2.73/Each
P-211
$3.22/Each
3/4" Aluminum Coupling Dust Plug
31122
$3.82/Each
Save 5%10+$3.62/Each
Save 10%20+$3.43/Each
Save 15%60+$3.24/Each
P-211
$3.82/Each
1" Aluminum Coupling Dust Plug
31125
$3.74/Each
Save 5%10+$3.55/Each
Save 10%20+$3.36/Each
Save 15%60+$3.17/Each
P-211
$3.74/Each
1-1/4" Aluminum Coupling Dust Plug
31135
$4.81/Each
Save 5%10+$4.57/Each
Save 10%20+$4.32/Each
Save 15%60+$4.08/Each
P-211
$4.81/Each
1-1/2" Aluminum Coupling Dust Plug
31136
$3.38/Each
Save 5%10+$3.21/Each
Save 10%20+$3.04/Each
Save 15%60+$2.87/Each
P-211
$3.38/Each
2" Aluminum Coupling Dust Plug
31137
$4.25/Each
Save 5%10+$4.03/Each
Save 10%20+$3.82/Each
Save 15%60+$3.61/Each
P-211
$4.25/Each
2-1/2" Aluminum Coupling Dust Plug
31138
$8.68/Each
Save 5%10+$8.24/Each
Save 10%20+$7.81/Each
Save 15%60+$7.37/Each
P-211
$8.68/Each
3" Aluminum Coupling Dust Plug
31139
$7.09/Each
Save 5%10+$6.73/Each
Save 10%20+$6.38/Each
Save 15%60+$6.02/Each
P-211
$7.09/Each
4" Aluminum Coupling Dust Plug
31140
$12.53/Each
Save 5%10+$11.90/Each
Save 10%20+$11.27/Each
Save 15%60+$10.65/Each
P-211
$12.53/Each
6" Aluminum Coupling Dust Plug
31141
$29.06/Each
Save 5%10+$27.60/Each
Save 10%20+$26.15/Each
Save 15%60+$24.70/Each
P-211
$29.06/Each