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The ASC ENGINEERED SOLUTIONS 319909289 is a threaded galvanized hex bushing designed to reduce a 6-inch female pipe thread to a 4-inch male pipe thread in iron piping systems. The hex body profile allows a pipe wrench or adjustable wrench to seat firmly during installation, making torque application straightforward in tight quarters. The galvanized coating protects the iron body against corrosion in wet or moderately harsh service environments. This fitting is manufactured domestically and weighs 7.5 pounds, reflecting the heavy-wall iron construction expected in commercial and industrial pipe runs.
This hex bushing is used in plumbing, HVAC, fire protection, and general industrial piping where a male-to-female threaded reduction is required between 6-inch and 4-inch pipe. Typical installations include mechanical rooms, boiler rooms, and process piping where iron pipe systems are standard. Licensed plumbers and pipefitters are the primary trade installing this type of fitting. The hex body allows the use of standard pipe wrenches without the need for strap wrenches or chain tongs.
Designed as an OEM-style threaded replacement fitting for 6-inch by 4-inch iron pipe systems using standard NPT threaded connections.
Installation should be performed by a licensed plumber or pipefitter in accordance with applicable IPC and local mechanical codes. Shut off and depressurize the piping system completely before removing or installing any threaded fitting. Apply an approved thread sealant or PTFE tape to the male threads before makeup. Do not overtighten, as iron fittings can crack if excessive force is applied beyond proper thread engagement.
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