Part Number: FS2406-SS

SAE ORFS Swivel Nut Reducer / Expander (Stainless Steel)

Product Overview

The Delphi Fittings Part FS2406-SS is a versatile problem-solver for hydraulic systems, designed to connect two male O-Ring Face Seal (ORFS) fittings of different sizes. This straight adapter features female ORFS swivel nuts on both ends, allowing it to function as either a reducer or an expander. Manufactured from high-grade 316 stainless steel, it provides a single-fitting solution for changing line sizes while maintaining the superior leak-proof seal of the ORFS system in corrosive or high-purity environments. The dual swivel nuts simplify installation by preventing hose twist.

Key Features & Specifications

Material	High-Grade Stainless Steel (Typically 316 SS)
End 1 & 2 Configuration	Female O-Ring Face Seal (ORFS) Swivel (per SAE J1453 / ISO 8434-3)
Body Style	Straight Reducer / Expander with Hex Body.
Sealing Mechanism	Seals against the O-rings on the mating male ORFS fittings. The female swivel nuts provide the clamping force.
Primary Function	To connect two male ORFS fittings of different thread sizes in a straight line, reducing or expanding the line size.

Commonly Available Sizes (Part #FS2406-SS Series)

This adapter is available in numerous reduction and expansion combinations.

Examples include (Female ORFS Swivel x Female ORFS Swivel):

FS2406-06-04-SS: 3/8" Female ORFS Swivel x 1/4" Female ORFS Swivel
FS2406-08-04-SS: 1/2" Female ORFS Swivel x 1/4" Female ORFS Swivel
FS2406-08-06-SS: 1/2" Female ORFS Swivel x 3/8" Female ORFS Swivel
FS2406-12-08-SS: 3/4" Female ORFS Swivel x 1/2" Female ORFS Swivel
FS2406-16-12-SS: 1" Female ORFS Swivel x 3/4" Female ORFS Swivel

Note: Expander configurations (e.g., smaller to larger size) and other combinations are also available. For unlisted sizes, please contact our sales team.

Applications

The FS2406-SS Reducer/Expander is essential for optimizing hydraulic circuits in demanding industries:

Stepping down the line size from a larger main hydraulic line to supply a smaller component or sub-circuit.
Stepping up the line size, for example, from a component's outlet to a larger return line to reduce back pressure.
Simplifying complex plumbing by replacing a series of separate fittings with a single, reliable component, thereby reducing potential leak points.
Perfect for use in marine, chemical, food processing, and offshore applications where both stainless steel and line size adaptability are required.

Installation & Usage Guidelines

Ensure the O-rings on both male ORFS fittings are clean, correctly sized, lubricated, and free of defects.
Check that the flat sealing faces of the male fittings are clean and undamaged.
Thread the female swivel nuts on each end of the FS2406-SS onto the respective male fittings until hand-tight.
Use three wrenches: one to hold the hex body of the FS2406-SS adapter, and one on each of the mating male fitting bodies to prevent them from turning.
Tighten each swivel nut to the torque value recommended for its specific size to ensure proper O-ring compression and a secure seal.

Why Choose Delphi Fittings Part FS2406-SS?

Problem-Solving Design: A single fitting provides a direct and reliable way to change line sizes within an ORFS system.
Reduces Leak Points: Eliminates the need for multiple adapters (e.g., a standard union plus a separate bushing), which simplifies the system and enhances reliability.
Simplified Installation: Dual swivel nuts allow for easy alignment and tightening without imparting any torsional stress on hoses or tubes.
Maintains Sealing Integrity: Preserves the high-performance, leak-proof characteristics of the O-Ring Face Seal system across the size transition.
Superior Durability: 316 Stainless Steel construction provides maximum resistance to corrosion and chemical attack.

Get a Quote for Part FS2406-SS - Stainless ORFS Reducer

Simplify your hydraulic plumbing and ensure a leak-free connection with the versatile FS2406-SS ORFS Reducer/Expander. Contact Delphi Fittings today for wholesale pricing and expert guidance on your application.

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