Merit Brass SW3411HD-04 Half Coupling 1/4 in 304 Ss

Product Description

The MERIT BRASS SW3411HD-04 is a 1/4-inch pipe half coupling designed for socket weld connections in high-pressure piping systems. Manufactured from 304 stainless steel, this fitting provides a single-ended socket weld connection used to branch off a run of pipe or terminate a piping section. Rated to 3,000 psi, it is suitable for demanding industrial, mechanical, and process piping applications where corrosion resistance and pressure integrity are required. Plumbers, pipefitters, and mechanical contractors install this type of fitting in accordance with applicable piping codes.

This half coupling is suited for use in process piping, steam lines, hydraulic systems, and industrial fluid handling where socket weld fittings are specified. The 304 stainless steel construction makes it appropriate for corrosive environments and applications involving water, steam, or mild chemical exposure. Its compact 1/4-inch size is common in instrumentation lines, small-bore piping, and branch connection points in both commercial and industrial installations.

Key Features

• 304 stainless steel construction for corrosion resistance in wet and chemical environments
• 3,000 psi pressure rating for high-pressure piping service
• Socket weld end connection on the coupling end for fillet-welded joints
• 1/4-inch fitting size for small-bore and instrumentation piping
• Half coupling configuration for branch outlets or pipe terminations

Compatibility

Designed as an OEM-style replacement or new-installation fitting for 1/4-inch socket weld piping systems requiring 304 stainless steel construction and a 3,000 psi pressure rating.

Installation Notes

Socket weld fittings are installed by licensed pipefitters or plumbers using standard fillet welding procedures per ASME B16.11 and applicable codes. Always depressurize and drain the piping system completely before cutting into an existing line. Leave a small gap between the pipe end and the socket shoulder before welding to allow for thermal expansion during the weld process. Post-weld inspection should follow the requirements of the governing mechanical or process piping code for the installation.