Kuriyama-Couplings™ Aluminum Dust Caps

Applications for these 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
Kuriyama-Couplings™  Aluminum Dust Caps
31106
1/2" Aluminum Coupling Dust Cap
$4.63​/Each
Save 5%10+$4.39/Each
Save 10%20+$4.16/Each
Save 15%60+$3.93/Each
P-149
$4.63​/Each
In Stock
31107
3/4" Aluminum Coupling Dust Cap
$4.76​/Each
Save 5%10+$4.52/Each
Save 10%20+$4.28/Each
Save 15%60+$4.04/Each
P-149
$4.76​/Each
In Stock
31108
1" Aluminum Coupling Dust Cap
$5.77​/Each
Save 5%10+$5.48/Each
Save 10%20+$5.19/Each
Save 15%60+$4.90/Each
P-149
$5.77​/Each
In Stock
31111
1-1/4" Aluminum Coupling Dust Cap
$8.73​/Each
Save 5%10+$8.29/Each
Save 10%20+$7.85/Each
Save 15%60+$7.42/Each
P-149
$8.73​/Each
In Stock
31113
1-1/2" Aluminum Coupling Dust Cap
$6.55​/Each
Save 5%10+$6.22/Each
Save 10%20+$5.89/Each
Save 15%60+$5.56/Each
P-149
$6.55​/Each
In Stock
31116
2" Aluminum Coupling Dust Cap
$7.93​/Each
Save 5%10+$7.53/Each
Save 10%20+$7.13/Each
Save 15%60+$6.74/Each
P-149
$7.93​/Each
In Stock
31117
2-1/2" Aluminum Coupling Dust Cap
$10.66​/Each
Save 5%10+$10.12/Each
Save 10%20+$9.59/Each
Save 15%60+$9.06/Each
P-149
$10.66​/Each
In Stock
31118
3" Aluminum Coupling Dust Cap
$12.34​/Each
Save 5%10+$11.72/Each
Save 10%20+$11.10/Each
Save 15%60+$10.48/Each
P-149
$12.34​/Each
In Stock
31119
4" Aluminum Coupling Dust Cap
$17.18​/Each
Save 5%10+$16.32/Each
Save 10%20+$15.46/Each
Save 15%60+$14.60/Each
P-149
$17.18​/Each
Special Order
Kuriyama-Couplings™  Aluminum Dust Caps
31120
6" Aluminum Coupling Dust Cap
$40.52​/Each
Save 5%10+$38.49/Each
Save 10%20+$36.46/Each
Save 15%60+$34.44/Each
P-149
$40.52​/Each
In Stock