Wholesale Hydraulic ORB Fittings

O-ring Boss Hydraulic Adapters is also known as ORB Fittings that are defined by the SAE J1926 standard.

ORB fittings are similar to a JIC fittings without the 37 degree flare, but ORB Fittings need an o-ring for additional sealing. The O-ring allows for an extremely tight seal that can withstand high pressures, useful for hydraulic and other automotive applications.

QC Hydraulics is supplying stainless steel ORB Fittings for North American market. Most of our customers are wholesalers or distributors of hose and fittings.

ORB Hydraulic Adapters available thread configurations:

  • ORB JIC Straight Adapters
  • ORB JIC Swivel Fittings
  • ORB Male Plug
  • ORB Hollow Plug
  • ORB Elbow
  • ORB Tee

Size Range:

1/8”-2”

Material:

Stainless Steel(SS 304, SS 316, SS 316L, SS 316Ti)

O-Ring Boss Hydraulic Tube Fitting, Pressure Ratings

Pressure Ratings For Fittings With JIC 37° Flare Swivels, O-ring Port Plugs and Straight Thread Stud Ends(Inch)
Nominal Pipe Size Threads Size (Notes 1&2) Working Pressure(Mpa)
Nom SAE Dash Size Nom Inch Tube O.D SAE J514 Flare & SAE J1926/ISO 11926-3 O-ring Port Thread Size 37° Flare Tube End, Union and Bulkheads 37° Female Swivels Port Plugs/Non Adjustable Stud Adjustable Stud
-2 1/8 5/16-24 UNF 34.5 34.5 34.5 34.5
-3 3/16 3/8-24 UNF 34.5 34.5 34.5 34.5
-4 1/4 7/16-20 UNF 34.5 31 34.5 31
-5 5/16 1/2-20 UNF 34.5 27.5 34.5 27.5
-6 3/8 9/16-18 UNF 34.5 27.5 34.5 27.5
-8 1/2 3/4-16 UNF 31 27.5 31 27.5
-10 5/8 7/8-14 UNF 24 21 24 21
-12 3/4 1 1/16-12 UNF 24 21 24 21
-14 7/8 1 3/16-12 UNF 21 17 21 17
-16 1 1 5/16-12 UNF 21 17 21 17
-20 1 1/4 1 5/8-12 UNF 17 14 17 14
-24 1 1/2 1 7/8-12 UNF 14 10.5 14 10.5
-32 2 2 1/2-12 UNF 10.5 8 10.5 8
  1. Threads per SAE J475 Class 2A ext. Class 2B int.(Ref。ISO-263/ISO-R725)
  2. Unified class 2B threads apply to swivel nuts and with minor diameter modified to class 3B limits for locknuts.

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