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The VALUE COLLECTION 12137 is a black steel reducing coupling designed to connect pipes of two different diameters in threaded piping systems. Built to a 3000 class pressure rating, this coupling transitions from a 3/4-inch female NPT connection to a 1/2-inch female NPT connection. The black finish indicates a standard mill-applied protective coating common on carbon steel pipe fittings. This fitting is installed by licensed plumbers and pipefitters working on gas, air, or water distribution systems where a reduction in pipe size is required at a threaded joint.
This reducing coupling is suited for use in residential and light commercial piping applications where NPT-threaded steel fittings are specified. Typical uses include natural gas distribution, compressed air lines, and black iron pipe systems. The 3000 class rating makes it appropriate for moderate-pressure service. Sold in a package of 5 units, this fitting is a practical stocking item for service contractors and plumbing supply operations that regularly encounter 3/4-inch to 1/2-inch reduction connections.
Designed as an OEM-style replacement or standard stock fitting for threaded black iron pipe systems using NPT connections at 3/4-inch and 1/2-inch pipe sizes.
Installation should be performed by a qualified plumber or pipefitter in accordance with applicable local codes and the International Plumbing Code or International Fuel Gas Code where relevant. Shut off the supply line and depressurize the system before threading this coupling into place. Apply an approved pipe thread sealant or PTFE tape to the male threads before assembly. Do not overtighten, as this can crack fittings or strip threads.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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