Kuriyama-Couplings™ Aluminum Dust Caps

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 Cap
31106
$6.17/Each
Save 5%10+$5.86/Each
Save 10%20+$5.55/Each
Save 15%60+$5.24/Each
P-211
$6.17/Each
3/4" Aluminum Coupling Dust Cap
31107
$6.33/Each
Save 5%10+$6.01/Each
Save 10%20+$5.69/Each
Save 15%60+$5.38/Each
P-211
$6.33/Each
1" Aluminum Coupling Dust Cap
31108
$7.69/Each
Save 5%10+$7.30/Each
Save 10%20+$6.92/Each
Save 15%60+$6.53/Each
P-211
$7.69/Each
1-1/4" Aluminum Coupling Dust Cap
31111
$11.63/Each
Save 5%10+$11.04/Each
Save 10%20+$10.46/Each
Save 15%60+$9.88/Each
P-211
$11.63/Each
1-1/2" Aluminum Coupling Dust Cap
31113
$8.72/Each
Save 5%10+$8.28/Each
Save 10%20+$7.84/Each
Save 15%60+$7.41/Each
P-211
$8.72/Each
2" Aluminum Coupling Dust Cap
31116
$10.56/Each
Save 5%10+$10.03/Each
Save 10%20+$9.50/Each
Save 15%60+$8.97/Each
P-211
$10.56/Each
2-1/2" Aluminum Coupling Dust Cap
31117
$14.19/Each
Save 5%10+$13.48/Each
Save 10%20+$12.77/Each
Save 15%60+$12.06/Each
P-211
$14.19/Each
3" Aluminum Coupling Dust Cap
31118
$16.44/Each
Save 5%10+$15.61/Each
Save 10%20+$14.79/Each
Save 15%60+$13.97/Each
P-211
$16.44/Each
4" Aluminum Coupling Dust Cap
31119
Save 5%10+$21.72/Each
Save 10%20+$20.58/Each
Save 15%60+$19.44/Each
P-211
$22.87/Each
6" Aluminum Coupling Dust Cap
31120
$53.95/Each
Save 5%10+$51.25/Each
Save 10%20+$48.55/Each
Save 15%60+$45.85/Each
P-211
$53.95/Each