Part Number: FS2601-SS

SAE ORFS Male x NPTF Pipe Male Branch Tee (Stainless Steel)

Product Overview

The Delphi Fittings Part FS2601-SS is a highly versatile branch tee adapter forged from 316-grade stainless steel. This fitting is uniquely designed to create a 90-degree branch from a straight line, while simultaneously adapting connection types. It features two male NPTF threads on the straight-through "run" and a male O-Ring Face Seal (ORFS) thread on the branch. This configuration allows a user to easily add a leak-proof ORFS hose assembly or component to an existing NPTF hard-piped line, making it invaluable for system modifications and upgrades in corrosive environments.

Key Features & Specifications

Material	High-Grade Stainless Steel (Typically 316 SS)
End 1 & 2 (Run)	Male National Pipe Tapered Fuel (NPTF) (per ANSI B1.20.3)
End 3 (Branch)	Male O-Ring Face Seal (ORFS) (per SAE J1453)
Body Style	Branch Tee.
Sealing Mechanism	NPTF Ends: Tapered thread interference. ORFS End: O-ring on a flat face.
Corrosion Protection	Superior inherent corrosion resistance from stainless steel.
Primary Function	To create a 90-degree branch with an ORFS connection from a straight NPTF line.
Working Pressure	Suitable for high-pressure hydraulic systems, with the overall pressure rating limited by the NPTF connections.

Commonly Available Sizes (Part #FS2601-SS Series)

This adapter tee is available in various size combinations to suit your specific plumbing needs.

Examples include (NPTF Run x ORFS Branch x NPTF Run):

FS2601-04-04-SS: 1/4" NPTF Run x 1/4" ORFS Branch
FS2601-06-06-SS: 3/8" NPTF Run x 3/8" ORFS Branch
FS2601-08-08-SS: 1/2" NPTF Run x 1/2" ORFS Branch
FS2601-12-12-SS: 3/4" NPTF Run x 3/4" ORFS Branch
FS2601-16-16-SS: 1" NPTF Run x 1" ORFS Branch

Note: Reducing combinations are also available. Please contact our sales team for details.

Applications

The FS2601-SS branch tee is a problem-solver in many industrial and mobile hydraulic systems:

Tapping into an existing stainless steel NPTF pipe line to add a flexible ORFS hose for an auxiliary circuit or actuator.
Adding a high-integrity ORFS test point connection to an NPTF line for diagnostics.
Ideal for creating reliable junctions in corrosive environments like marine, chemical processing, or offshore platforms where different connection standards coexist.
Consolidates a traditional tee, a straight adapter, and a bushing into a single, robust fitting, reducing inventory and potential leak paths.

Installation & Usage Guidelines

Apply a suitable thread sealant to both male NPTF threads on the run, leaving the first 1-2 threads bare. Install into the main line's female NPTF ports.
Install a properly lubricated O-ring onto the male ORFS branch.
Connect the female ORFS swivel fitting to the branch, tightening to the manufacturer's recommended torque.
Use wrenches on the fitting body and all three connecting lines to ensure proper tightening without putting stress on the assembly.

Why Choose Delphi Fittings Part FS2601-SS?

Multi-Function Design: Serves as a tee, a branch, and a thread adapter in a single, compact component.
Hybrid-Technology Solution: Allows for the seamless integration of a superior leak-proof ORFS connection into a traditional NPTF system.
Reduces Leak Points: A one-piece, forged body is inherently more reliable than an assembly of a standard tee and multiple adapters.
Unmatched Corrosion Resistance: 316 stainless steel construction ensures maximum service life in the most demanding environments.
Standard Compliance: Adheres to both SAE J1453 and ANSI B1.20.3 standards, guaranteeing proper fit and function.

Get a Quote for Part FS2601-SS - Stainless ORFS/NPTF Branch Tee

Efficiently add a high-integrity branch to your hydraulic system with the versatile FS2601-SS adapter tee. Contact Delphi Fittings today for wholesale pricing and expert application support.

Request a Quote Back to Stainless ORFS Fittings