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
$5.15​/Each
Save 5%10+$4.89/Each
Save 10%20+$4.63/Each
Save 15%60+$4.37/Each
P-183
$5.15​/Each
In Stock
3/4" Aluminum Coupling Dust Cap
31107
3/4" Aluminum Coupling Dust Cap
$5.28​/Each
Save 5%10+$5.01/Each
Save 10%20+$4.75/Each
Save 15%60+$4.48/Each
P-183
$5.28​/Each
Special Order
1" Aluminum Coupling Dust Cap
31108
1" Aluminum Coupling Dust Cap
$6.41​/Each
Save 5%10+$6.09/Each
Save 10%20+$5.76/Each
Save 15%60+$5.44/Each
P-183
$6.41​/Each
In Stock
1-1/4" Aluminum Coupling Dust Cap
31111
1-1/4" Aluminum Coupling Dust Cap
$9.70​/Each
Save 5%10+$9.21/Each
Save 10%20+$8.73/Each
Save 15%60+$8.24/Each
P-183
$9.70​/Each
In Stock
1-1/2" Aluminum Coupling Dust Cap
31113
1-1/2" Aluminum Coupling Dust Cap
$7.26​/Each
Save 5%10+$6.89/Each
Save 10%20+$6.53/Each
Save 15%60+$6.17/Each
P-183
$7.26​/Each
In Stock
2" Aluminum Coupling Dust Cap
31116
2" Aluminum Coupling Dust Cap
$8.81​/Each
Save 5%10+$8.37/Each
Save 10%20+$7.92/Each
Save 15%60+$7.48/Each
P-183
$8.81​/Each
In Stock
2-1/2" Aluminum Coupling Dust Cap
31117
2-1/2" Aluminum Coupling Dust Cap
$11.84​/Each
Save 5%10+$11.24/Each
Save 10%20+$10.65/Each
Save 15%60+$10.06/Each
P-183
$11.84​/Each
In Stock
3" Aluminum Coupling Dust Cap
31118
3" Aluminum Coupling Dust Cap
$13.71​/Each
Save 5%10+$13.02/Each
Save 10%20+$12.33/Each
Save 15%60+$11.65/Each
P-183
$13.71​/Each
In Stock
4" Aluminum Coupling Dust Cap
31119
4" Aluminum Coupling Dust Cap
$19.08​/Each
Save 5%10+$18.12/Each
Save 10%20+$17.17/Each
Save 15%60+$16.21/Each
P-183
$19.08​/Each
Special Order
6" Aluminum Coupling Dust Cap
31120
6" Aluminum Coupling Dust Cap
$45.01​/Each
Save 5%10+$42.76/Each
Save 10%20+$40.50/Each
Save 15%60+$38.25/Each
P-183
$45.01​/Each
In Stock