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
$5.88​/Each
Save 5%10+$5.58/Each
Save 10%20+$5.29/Each
Save 15%60+$4.99/Each
P-207
$5.88​/Each
3/4" Aluminum Coupling Dust Cap
31107
$6.03​/Each
Save 5%10+$5.72/Each
Save 10%20+$5.42/Each
Save 15%60+$5.12/Each
P-207
$6.03​/Each
1" Aluminum Coupling Dust Cap
31108
$7.32​/Each
Save 5%10+$6.95/Each
Save 10%20+$6.58/Each
Save 15%60+$6.22/Each
P-207
$7.32​/Each
1-1/4" Aluminum Coupling Dust Cap
31111
$11.08​/Each
Save 5%10+$10.52/Each
Save 10%20+$9.97/Each
Save 15%60+$9.41/Each
P-207
$11.08​/Each
1-1/2" Aluminum Coupling Dust Cap
31113
$8.30​/Each
Save 5%10+$7.88/Each
Save 10%20+$7.47/Each
Save 15%60+$7.05/Each
P-207
$8.30​/Each
2" Aluminum Coupling Dust Cap
31116
$10.06​/Each
Save 5%10+$9.55/Each
Save 10%20+$9.05/Each
Save 15%60+$8.55/Each
P-207
$10.06​/Each
2-1/2" Aluminum Coupling Dust Cap
31117
$13.51​/Each
Save 5%10+$12.83/Each
Save 10%20+$12.15/Each
Save 15%60+$11.48/Each
P-207
$13.51​/Each
3" Aluminum Coupling Dust Cap
31118
$15.66​/Each
Save 5%10+$14.87/Each
Save 10%20+$14.09/Each
Save 15%60+$13.31/Each
P-207
$15.66​/Each
4" Aluminum Coupling Dust Cap
31119
$21.78​/Each
Save 5%10+$20.69/Each
Save 10%20+$19.60/Each
Save 15%60+$18.51/Each
P-207
$21.78​/Each
6" Aluminum Coupling Dust Cap
31120
$51.38​/Each
Save 5%10+$48.81/Each
Save 10%20+$46.24/Each
Save 15%60+$43.67/Each
P-207
$51.38​/Each