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 is designed 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
1/2" Aluminum Coupling Dust Cap
$4.86​/Each
Save 5%10+$4.61/Each
Save 10%20+$4.37/Each
Save 15%60+$4.13/Each
P-161
$4.86​/Each
In Stock
3/4" Aluminum Coupling Dust Cap
31107
3/4" Aluminum Coupling Dust Cap
$4.99​/Each
Save 5%10+$4.74/Each
Save 10%20+$4.49/Each
Save 15%60+$4.24/Each
P-161
$4.99​/Each
On Order
1" Aluminum Coupling Dust Cap
31108
1" Aluminum Coupling Dust Cap
$6.06​/Each
Save 5%10+$5.75/Each
Save 10%20+$5.45/Each
Save 15%60+$5.15/Each
P-161
$6.06​/Each
In Stock
1-1/4" Aluminum Coupling Dust Cap
31111
1-1/4" Aluminum Coupling Dust Cap
$9.17​/Each
Save 5%10+$8.71/Each
Save 10%20+$8.25/Each
Save 15%60+$7.79/Each
P-161
$9.17​/Each
In Stock
1-1/2" Aluminum Coupling Dust Cap
31113
1-1/2" Aluminum Coupling Dust Cap
$6.87​/Each
Save 5%10+$6.52/Each
Save 10%20+$6.18/Each
Save 15%60+$5.84/Each
P-161
$6.87​/Each
In Stock
2" Aluminum Coupling Dust Cap
31116
2" Aluminum Coupling Dust Cap
$8.33​/Each
Save 5%10+$7.91/Each
Save 10%20+$7.49/Each
Save 15%60+$7.08/Each
P-161
$8.33​/Each
In Stock
2-1/2" Aluminum Coupling Dust Cap
31117
2-1/2" Aluminum Coupling Dust Cap
$11.19​/Each
Save 5%10+$10.63/Each
Save 10%20+$10.07/Each
Save 15%60+$9.51/Each
P-161
$11.19​/Each
In Stock
3" Aluminum Coupling Dust Cap
31118
3" Aluminum Coupling Dust Cap
$12.96​/Each
Save 5%10+$12.31/Each
Save 10%20+$11.66/Each
Save 15%60+$11.01/Each
P-161
$12.96​/Each
In Stock
4" Aluminum Coupling Dust Cap
31119
4" Aluminum Coupling Dust Cap
$18.04​/Each
Save 5%10+$17.13/Each
Save 10%20+$16.23/Each
Save 15%60+$15.33/Each
P-161
$18.04​/Each
Special Order
6" Aluminum Coupling Dust Cap
31120
6" Aluminum Coupling Dust Cap
$42.55​/Each
Save 5%10+$40.42/Each
Save 10%20+$38.29/Each
Save 15%60+$36.16/Each
P-161
$42.55​/Each
In Stock