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Part Number / OE No.: 1FOHydraulic Adapters

1FO Straight ORFS Male to SAE Male O-Ring Boss

Advanced 1FO straight ORFS male to SAE male O-ring boss (ORB) hydraulic adapter. Features an O-Ring Face Seal (ORFS) male end with a captive elastomeric seal and an SAE straight thread O-ring boss male stud with shoulder O-ring, flanking a solid hex body. Delivers zero-clearance drop-in assembly, dual positive elastomeric sealing, and blowout-proof reliability in SAE J1453 and SAE J1926-1 / ISO 11926-1 high-pressure systems.

Applications

Excavator SystemsHydraulic Systems

Tags

Carbon SteelORFSStainless SteelUN/UNF

Documents & Downloads

  • Dafluid Fittings_Catalog
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Product Overview

Advanced 1FO Series Straight ORFS Male to SAE Male O-Ring Boss Hydraulic Adapter

The 1FO Series is a high-performance straight conversion adapter specifically engineered to bridge SAE J1926-1 / ISO 11926-1 straight thread O-ring boss (ORB) manifold ports directly to SAE J1453 / ISO 8434-3 standard O-Ring Face Seal (ORFS) hose assemblies or rigid tubing. Featuring an external SAE male O-ring boss stud with an elastomeric shoulder O-ring on one side paired with an ORFS male connector with a precision face groove and captive O-ring on the other, this integrated solid hex adapter delivers dual positive elastomeric containment and zero-leak reliability under severe dynamic working pressures and heavy mechanical vibrations.

Core Hydraulic Advantages

  • Dual Elastomeric Zero-Leak Containment: Combines radial cavity sealing at the SAE ORB port with axial face compression at the ORFS connection, completely trapping both O-rings to eliminate weepage and micro-leaks during aggressive pressure spikes.
  • SAE J1453 / ISO 8434-3 Flat-Face Technology: The flat-face ORFS interface allows hoses and hard-lines to be dropped in or removed axially with zero clearance, eliminating the need to pry or spring adjacent lines during field servicing.
  • SAE O-Ring Boss (ORB) Port Dynamics: Precision UN/UNF straight threads carry 100% of the mechanical tensile holding force, ensuring the elastomeric seal is never compromised by thread deformation, over-torquing, or system thermal expansion.
  • Straight-Through Laminar Flow: Optimized internal bore profile prevents fluid restriction, minimizing turbulence, heat buildup, and system pressure drops across the port boundary.
  • Exceptional Blowout Resistance: Precision CNC-machined from your choice of premium high-strength carbon steel or corrosion-resistant 304/316 stainless steel, delivering maximum tensile strength, dimensional stability, and burst-proof performance under extreme line pressures.

With optional zinc-nickel alloy surface treatment available to significantly extend service life, this hydraulic straight ORFS male to SAE male ORB adapter ensures maximum longevity, structural safety, and leak-proof performance for heavy-duty industrial fluid power networks.

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1FO Straight ORFS Male to SAE Male O-Ring Boss · 1FO

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