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The ASC Engineered Solutions 310071204 is a 3-inch malleable iron cross fitting with a black coating, designed for use in threaded pipe systems across plumbing, HVAC, and industrial piping applications. Cross fittings create a four-way junction in a pipe run, allowing branch connections in two opposing directions from a single body. At 7.94 pounds, this is a substantial, full-body fitting suited for systems that require durable, pressure-rated iron construction. It is installed by licensed plumbers and pipefitters working on black iron piping systems.
This fitting is used in residential and commercial applications where black iron threaded pipe is the specified material. Common install scenarios include gas distribution piping, fire suppression headers, compressed air lines, and steam or hydronic heating systems. The black coating provides corrosion resistance appropriate for dry or gas-service environments. Its four-outlet cross configuration makes it a practical choice wherever a main pipe run requires two simultaneous branch take-offs at a single point.
Designed as an OEM-style replacement and standard component for 3-inch threaded black iron pipe systems in plumbing, gas, HVAC, and industrial piping installations.
Installation should be performed by a licensed plumber or pipefitter following applicable codes such as the IPC or IFGC. Shut off and depressurize the pipe system completely before removing or installing any fitting. Use appropriate pipe thread sealant or tape rated for the intended service, and ensure all threaded connections are made up to full engagement without cross-threading. Do not use this fitting in applications outside its rated material and coating specifications without verifying service compatibility.
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