Swagelok B-400-6-2 is a high-performance brass reducing union designed to connect 1/4 inch and 1/8 inch tube outer diameters in a straight, linear path. This fitting is specifically engineered for compact and critical fluid systems where maintaining flow efficiency and leak-tight integrity is paramount. Constructed from high-quality brass, it provides a reliable and durable connection suitable for various industrial applications.

Key Features

• Precision Reducing Connection: Facilitates the transition between different tubing sizes without compromising system flow.
• Superior Tube Grip: Provides a robust mechanical grip on the tubing to withstand high-pressure and vibration environments.
• Vibration Resistance: Proven performance in extreme conditions, ensuring long-term reliability over 65 years of successful field use.
• SC-10 Standard Cleaning: Processed under Swagelok Standard Cleaning and Packaging (SC-10) to ensure component cleanliness upon delivery.

Technical Specifications

Specification	Details
Body Material	Brass
Bored Through	No
Cleaning Process	Standard Cleaning and Packaging (SC-10)
Connection 1 Size	1/4 in.
Connection 1 Type	Swagelok® Tube Fitting
Connection 2 Size	1/8 in.
Connection 2 Type	Swagelok® Tube Fitting
Flow Restrictor	No

Classification Data

• eClass (10.1): 37020590
• UNSPSC (17.1001): 40183112

Safety Note

Do not mix or interchange Swagelok products or components with those of other manufacturers. Total system design must be considered to ensure safe, trouble-free performance. Function, material compatibility, and adequate ratings are the responsibility of the system designer.