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Duolok® tube fittings are two-ferrule compression fittings used in a wide range of industries and applications including instrumentation, oil & gas, chemical and petrochemical, CNG, power, paper, and transportation. The two-ferrule design provides a leak-tight seal and exceptional tube grip even is systems having dynamic temperature, pressure and vibration.

Specifications

  • MAWP: 12,100 psig (Duolok Tube Fittings are rated to the maximum allowable pressure of the tubing)
  • Sizes:
    • Fractional: 1/16 to 2 in.
    • Metric: 3 to 25 mm
  • Materials: 316 Stainless Steel, Brass, Alloy 400, C-276 and more.
  • Adapters: NPT thread, BSP thread, SAE thread, O-seal, hose barb, tube stub, weld and AN flared ends
  • Special Purpose Fittings: Bulkhead, calibration, dielectric, mud dauber, and bored-through
  • Certifications: ABS, DNV, CSA and ECE R110, ASTM F-1387 and more.
  • Intermixable and interchangeable with Swagelok® brand tube fittings
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