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The MERIT BRASS SW3412D-3208 is a stainless steel pipe reducer fitting designed for high-pressure piping systems where a 2-inch line transitions down to a 1/2-inch line. Constructed from 304 stainless steel, this fitting connects via socket weld on both ends and carries a pressure rating of 3,000 psi. It is well-suited for industrial and commercial plumbing, process piping, and mechanical systems where corrosion resistance and pressure integrity are critical. Licensed plumbers, pipefitters, and mechanical contractors typically specify this type of fitting in applications that demand durable, permanent weld-end connections.
This reducer fitting is used in industrial process lines, chemical distribution systems, and high-pressure fluid piping where a reduction from a 2-inch nominal pipe to a 1/2-inch nominal pipe is required. The socket weld end connections make it appropriate for permanent installations where a strong, leak-resistant joint is essential. It is commonly found in commercial mechanical rooms, manufacturing facilities, and other environments requiring 304-grade stainless construction for corrosion resistance.
Designed as an OEM-style replacement or new-installation fitting for 2-inch to 1/2-inch socket weld pipe systems requiring 304 stainless steel construction rated to 3,000 psi.
Socket weld fittings must be installed by a qualified pipefitter or licensed plumber following applicable codes, including ASME B31.3 for process piping. Depressurize and isolate the line completely before cutting into any existing piping. Socket weld connections require proper gap spacing before welding per applicable welding standards. Do not apply excessive heat that could compromise the metallurgical properties of the 304 stainless steel base material.
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