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The VALUE COLLECTION B240 100X50 is a black reducing coupling designed to connect pipe runs of two different diameters in threaded piping systems. Manufactured from malleable iron with a black finish, this fitting transitions from a 4-inch line to a 2-inch line using National Pipe Thread (NPT) connections. Rated to 300 psi for liquid and gas service, it meets Class 150 classification and carries multiple third-party certifications. Licensed plumbers and pipefitters install this fitting in commercial and industrial piping systems where reducing couplings are required at branch or mainline transitions.
This reducing coupling is suited for use in residential, commercial, and light industrial piping systems handling liquid or gas media. Its threaded NPT end connections make it compatible with standard black iron pipe assemblies used in gas distribution, fire suppression, and fluid transfer applications. The black malleable iron construction performs reliably in both exposed and enclosed installations where corrosion resistance and mechanical strength are required.
Designed as an OEM-style replacement or new-installation fitting for standard 4-inch by 2-inch threaded black iron pipe systems using NPT connections.
Installation should be performed by a licensed plumber or pipefitter in accordance with applicable local plumbing and mechanical codes, including IPC and IFGC requirements where applicable. Shut off and depressurize the line completely before disassembling or installing any threaded fitting. Apply an appropriate thread sealant or PTFE tape to NPT threads before assembly. Do not overtighten; use a pipe wrench with adequate leverage to achieve a proper seal without stressing the fitting body.
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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