DK Seal-Lok Tube Fittings

DK Seal-Lok Tube Fittings

(971 products)

O-ring face seal (ORFS) tube fittings to SAE J1453 for high-vibration hydraulic systems. The tube end is flanged or sleeved and compresses a captive O-ring in the fitting face for a zero-clearance, leak-free seal.

  • Sizes: 1/4" to 2" and 6 to 38 mm
  • Pressure: 3,000 to 9,200 psig depending on size
  • Materials: 316 SS body and sleeve, silver-plated nut threads
  • Styles: straights, swivels, 45° and 90° elbows, tees, crosses, plugs, caps, nuts, sleeves and locknuts

Ratings vary by size, material and end connection. Not sure which one fits your pressure, media and temperature? Call us at 310-833-3353 or email sales@abesttube.com and we'll walk through it with you.


  • DK Lok

    HDP-18M-S

    Regular price $0.00
  • DK Lok

    HDP-16M-S

    Regular price $0.00
  • DK Lok

    HDP-15M-S

    Regular price $0.00
  • DK Lok

    HDP-14M-S

    Regular price $0.00
  • DK Lok

    HDP-10M-S

    Regular price $0.00
  • DK Lok

    HDP-6M-S

    Regular price $0.00
  • DK Lok

    HDP-12M-S

    Regular price $0.00
  • DK Lok

    HDP-8M-S

    Regular price $0.00
  • DK Lok

    HDP-32T-S

    Regular price $0.00
  • DK Lok

    HDP-24T-S

    Regular price $0.00
  • DK Lok

    HDP-20T-S

    Regular price $0.00
  • DK Lok

    HDP-16T-S

    Regular price $0.00
  • DK Lok

    HDP-14T-S

    Regular price $0.00
  • DK Lok

    HDP-12T-S

    Regular price $0.00
  • DK Lok

    HDP-4T-S

    Regular price $0.00
  • DK Lok

    HDP-6T-S

    Regular price $0.00
  • DK Lok

    HDP-10T-S

    Regular price $0.00
  • DK Lok

    HDP-8T-S

    Regular price $0.00
  • DK Lok

    HDX-20T-S

    Regular price $0.00
  • DK Lok

    HDX-16T-S

    Regular price $0.00
  • DK Lok

    HDX-12T-S

    Regular price $0.00
  • DK Lok

    HDX-4T-S

    Regular price $0.00
  • DK Lok

    HDX-8T-S

    Regular price $0.00
  • DK Lok

    HDX-6T-S

    Regular price $0.00