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
$3.36/Each
Save 5%10+$3.19/Each
Save 10%20+$3.02/Each
Save 15%60+$2.86/Each
P-211
$3.36/Each
3/4" Aluminum Coupling Dust Plug
31122
$3.98/Each
Save 5%10+$3.78/Each
Save 10%20+$3.58/Each
Save 15%60+$3.38/Each
P-211
$3.98/Each
1" Aluminum Coupling Dust Plug
31125
$4.18/Each
Save 5%10+$3.97/Each
Save 10%20+$3.76/Each
Save 15%60+$3.55/Each
P-211
$4.18/Each
1-1/4" Aluminum Coupling Dust Plug
31135
$5.01/Each
Save 5%10+$4.76/Each
Save 10%20+$4.51/Each
Save 15%60+$4.26/Each
P-211
$5.01/Each
1-1/2" Aluminum Coupling Dust Plug
31136
$3.79/Each
Save 5%10+$3.60/Each
Save 10%20+$3.41/Each
Save 15%60+$3.22/Each
P-211
$3.79/Each
2" Aluminum Coupling Dust Plug
31137
$4.75/Each
Save 5%10+$4.51/Each
Save 10%20+$4.28/Each
Save 15%60+$4.04/Each
P-211
$4.75/Each
2-1/2" Aluminum Coupling Dust Plug
31138
$9.95/Each
Save 5%10+$9.45/Each
Save 10%20+$8.96/Each
Save 15%60+$8.46/Each
P-211
$9.95/Each
3" Aluminum Coupling Dust Plug
31139
$7.37/Each
Save 5%10+$7.00/Each
Save 10%20+$6.63/Each
Save 15%60+$6.26/Each
P-211
$7.37/Each
4" Aluminum Coupling Dust Plug
31140
$13.02/Each
Save 5%10+$12.37/Each
Save 10%20+$11.72/Each
Save 15%60+$11.07/Each
P-211
$13.02/Each
6" Aluminum Coupling Dust Plug
31141
$32.48/Each
Save 5%10+$30.86/Each
Save 10%20+$29.23/Each
Save 15%60+$27.61/Each
P-211
$32.48/Each