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The ASC ENGINEERED SOLUTIONS 319908166 is a threaded galvanized hex bushing designed to reduce pipe diameter in threaded iron piping systems. Sized at 2.5 inches x 0.75 inches, it steps down from a larger male thread to a smaller female thread, allowing two differently sized pipe sections to connect within the same line. The hex body profile provides a flat-to-flat surface for wrench engagement during installation. Constructed from galvanized iron, this bushing resists corrosion in typical plumbing and mechanical piping environments. It is a domestically produced fitting suited for use in water, gas, and general-purpose piping assemblies where threaded connections are required.
This hex bushing is used in residential and commercial plumbing, HVAC hydronic piping, fire protection systems, and general mechanical piping where a threaded reducer is needed between two pipe sizes. The 2.5-inch male NPT end connects to the larger run pipe or fitting, while the 0.75-inch female NPT end receives the smaller branch or instrument connection. Typical applications include reducing headers, manifolds, and branch takeoffs in iron pipe systems.
Designed as an OEM-style replacement or direct-fit addition to standard threaded iron pipe systems using 2.5-inch and 0.75-inch NPT connections.
Installation is performed by licensed plumbers or qualified mechanical contractors working with threaded iron piping systems. Shut off and depressurize the piping system completely before removing or installing any threaded fitting. Apply an appropriate thread sealant or PTFE tape to the male threads before assembly and tighten to a snug, leak-free fit using pipe wrenches. Follow applicable codes including the International Plumbing Code or International Fuel Gas Code for thread engagement and joint requirements.
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