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The ASC Engineered Solutions 318907045 is a black hex bushing designed to reduce pipe thread sizes in pressurized piping systems. It features a 1-1/4 inch male end and a 3/4 inch female end, allowing connection between two different pipe diameters without additional fittings. The hex body provides a flat wrench surface for secure installation and removal. This domestically produced fitting is commonly used by licensed plumbers and pipefitters working on gas, water, or general mechanical piping installations.
This hex bushing is suited for residential and light commercial plumbing and mechanical systems where a threaded pipe reduction is needed in-line. It is installed wherever a larger-diameter pipe or fitting must step down to a smaller threaded connection, including branch takeoffs, valve inlets, and equipment connections. Its black coating makes it appropriate for gas piping applications in accordance with applicable codes.
Designed as an OEM-style threaded hex bushing for use in standard NPT threaded piping systems requiring a 1-1/4 inch to 3/4 inch pipe size reduction.
Installation should be performed by a licensed plumber or pipefitter. Shut off and depressurize the affected piping system before beginning work. Apply appropriate thread sealant or PTFE tape to the male threads before installation. Tighten using a pipe wrench on the hex body and verify for leaks after system pressure is restored, following applicable local plumbing and mechanical codes.
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