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The BMI USA 35624 is a 1/2-inch black malleable iron pipe cross used to split or combine flow at a single junction point in threaded pipe systems. This four-way fitting accepts four threaded connections in a single plane, making it a standard choice for gas distribution, compressed air, and hydronic piping layouts. Malleable iron construction provides the ductility and thread-holding strength required in trade applications. A black finish indicates this fitting is intended for non-potable systems such as gas and air rather than water service. Licensed plumbers, pipefitters, and gas fitters install this fitting as part of larger threaded iron pipe assemblies.
The 35624 pipe cross is suited for residential and light commercial piping systems where a four-way threaded junction is required. Typical applications include natural gas supply piping, compressed air distribution headers, and steam or hydronic heating rough-in work. The black iron finish and malleable iron base material align with standard code requirements for gas piping in most jurisdictions.
Designed as an OEM-style replacement or new-installation fitting for 1/2-inch NPT threaded black iron pipe systems in gas, compressed air, and similar non-potable piping applications.
Installation should be performed by a licensed plumber, pipefitter, or gas fitter in accordance with applicable local codes, the International Fuel Gas Code (IFGC), or the International Plumbing Code (IPC). Shut off the gas or air supply and relieve system pressure completely before working on any threaded joint. Apply an appropriate pipe thread sealant or PTFE tape rated for the intended service medium to all male threads before assembly. Do not overtighten threaded connections; use a pipe wrench to achieve a proper mechanical seal without cracking the fitting body.
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