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Kuriyama-Couplings™ Aluminum Dust Caps
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
Item # Description Page # List Price Availability Quantity to Order
Kuriyama-Couplings™  Aluminum Dust Caps31106
1/2" Aluminum Coupling Dust Cap
Qty 10: 5% off; Qty 20: 10% off; Qty 60: 15% off;
P-139
$5.15
Each
31107
3/4" Aluminum Coupling Dust Cap
Qty 10: 5% off; Qty 20: 10% off; Qty 60: 15% off;
P-139
$5.29
Each
31108
1" Aluminum Coupling Dust Cap
Qty 10: 5% off; Qty 20: 10% off; Qty 60: 15% off;
P-139
$6.41
Each
31111
1-1/4" Aluminum Coupling Dust Cap
Qty 10: 5% off; Qty 20: 10% off; Qty 60: 15% off;
P-139
$9.70
Each
31113
1-1/2" Aluminum Coupling Dust Cap
Qty 10: 5% off; Qty 20: 10% off; Qty 60: 15% off;
P-139
$7.28
Each
31116
2" Aluminum Coupling Dust Cap
Qty 10: 5% off; Qty 20: 10% off; Qty 60: 15% off;
P-139
$8.82
Each
31117
2-1/2" Aluminum Coupling Dust Cap
Qty 10: 5% off; Qty 20: 10% off; Qty 60: 15% off;
P-139
$11.84
Each
31118
3" Aluminum Coupling Dust Cap
Qty 10: 5% off; Qty 20: 10% off; Qty 60: 15% off;
P-139
$13.72
Each
31119
4" Aluminum Coupling Dust Cap
Qty 10: 5% off; Qty 20: 10% off; Qty 60: 15% off;
P-139
$19.09
Each
Kuriyama-Couplings™  Aluminum Dust Caps31120
6" Aluminum Coupling Dust Cap
Qty 10: 5% off; Qty 20: 10% off; Qty 60: 15% off;
P-139
$45.02
Each
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