Merit Brass SW3480D-0402 Pipe Insert 1/4x1/8 Ss 3000 Psi

Product Description

The MERIT BRASS SW3480D-0402 is a pipe insert fitting constructed from 304 stainless steel, designed to reduce or transition between socket weld connections in high-pressure piping systems. This insert measures 1/4 x 1/8 inches and carries a pressure rating of 3,000 psi, making it suitable for demanding fluid and gas distribution lines where corrosion resistance and joint integrity are critical. It connects via socket weld on both ends, requiring a qualified welder or pipefitter for proper installation. This is a precision-machined fitting intended for professional trade use in industrial and commercial piping applications.

This insert fitting is used in high-pressure piping assemblies where a socket weld connection style is specified. The 304 stainless steel construction makes it appropriate for systems handling corrosive media, potable water, steam, or chemical process lines. Typical installation scenarios include mechanical rooms, process piping runs, and utility service connections where a 1/4 to 1/8 inch reduction is required within a socket weld piping train. It is sold individually and is suited for both new construction and maintenance replacement work.

Key Features

• 304 stainless steel construction for corrosion resistance in wet and chemical environments
• 3,000 psi pressure rating for high-pressure service applications
• Socket weld x socket weld end connections on both ends
• 1/4 x 1/8 inch fitting size for precise size reduction in piping runs
• Compact, precision-machined insert profile for consistent fitment

Compatibility

Designed as an OEM-style replacement or new-installation component for 3,000 psi-rated socket weld piping systems using 304 stainless steel fittings in the 1/4 x 1/8 inch size range.

Installation Notes

Installation requires a certified pipefitter or welder experienced with socket weld fittings and stainless steel materials. Shut down and depressurize the piping system fully before removal or installation of any fitting. Follow applicable ASME B16.11 standards for socket weld fitting installation, including proper gap and weld procedures. Do not exceed the rated 3,000 psi pressure limit for this fitting class.