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The MERIT BRASS 6004-1000 is a Grade 316/316L stainless steel pipe nipple designed for use in fluid and gas piping systems where corrosion resistance is a primary concern. Constructed using a welded process and threaded to Schedule 40 specifications, this nipple fits a 1/4 inch pipe size with matching 1/4 inch thread. Grade 316/316L stainless offers superior resistance to chlorides and chemical exposure compared to Grade 304, making it a reliable choice for process piping, HVAC hydronic systems, and plumbing applications in corrosive environments. Licensed plumbers, pipefitters, and HVAC technicians are the typical installers.
This nipple is suited for residential and light commercial installations where Schedule 40 threaded connections are specified. It is commonly used in hydronic heating and cooling piping, chemical feed lines, and marine or coastal plumbing systems where standard carbon steel or lower-grade stainless fittings would be prone to corrosion. The 1/4 inch size fits common instrument ports, gauge connections, and small-diameter branch lines.
Designed as an OEM-style replacement or new-installation fitting for 1/4 inch Schedule 40 threaded stainless steel piping systems.
Installation should be performed by a licensed plumber or pipefitter following applicable IPC or IFGC code requirements. Shut off system pressure and drain the line before removing or installing any threaded fitting. Use appropriate thread sealant or PTFE tape rated for the service medium. Do not overtighten threaded stainless fittings, as galling can occur; use a thread lubricant rated for stainless steel.
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