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Small cylindrical copper reducing bushing with threaded end

Nibco, Inc.

Nibco, Inc. 6183 Copper Reducing Bushing 1/2 in FTG x 1/4 in FNPT

SKU CH-3BF6-3F5PV

Connects 1/2 in copper tube to 1/4 in FNPT for air, gases and potable water up to 577 psi

  • Connects 1/2 in copper tube to 1/4 in FNPT threads
  • Withstands 577 psi at 200 Degrees F operating pressure
  • Rated for 400 Degrees F maximum temperature
  • Meets ASME B16.22, ASTM B75 and MSS SP-104 standards
  • Certified to NSF/ANSI 61 and NSF/ANSI 372 for potable water

Application Scope

This NIBCO 6183 copper reducing bushing connects a 1/2 inch nominal copper tube to a 1/4 inch female NPT thread. It is designed for air, gases, and potable water systems where a sweat fitting transition is required. Builders needing a different thread type or tube size cannot use this specific fitting.

Capacity & Limits

The wrot copper construction handles a maximum operating pressure of 577 psi at 200 degrees F and a maximum temperature of 400 degrees F. It conforms to ASME B16.22, ASTM B75, ISO 9001, MSS SP-104, NSF/ANSI 372, and NSF/ANSI 61 standards. Systems exceeding these pressure or temperature ratings will require a different component.

Critical Specification

The defining detail is the sweat fitting end (FTG) for 1/2 inch nominal copper tube (5/8 inch outer diameter) mating with a 1/4 inch FNPT threaded port. If the installation calls for a press, flare, or compression connection instead of sweat, this bushing will not fit.

Highlights

  • Connects 1/2 in copper tube to 1/4 in FNPT threads
  • Withstands 577 psi at 200 Degrees F operating pressure
  • Rated for 400 Degrees F maximum temperature
  • Meets ASME B16.22, ASTM B75 and MSS SP-104 standards
  • Certified to NSF/ANSI 61 and NSF/ANSI 372 for potable water

Specifications

BrandNIBCO

Questions about this item

Will this 1/2 in FTG reducing bushing solder cleanly onto my existing 1/2 in copper tubing?

Yes, the wrot copper body is made to ASME B 16.22 and ASTM B75 so it solders to standard 1/2 in copper tube with a 5/8 in outer diameter.

How can I confirm the joint is leak-free after soldering?

Pressure-test the line up to 577 psi at 200 °F; the fitting meets NSF/ANSI 61 and 372 for potable water.

Does the package include any thread sealant or solder for the 1/4 in FNPT connection?

Only the reducing bushing itself is supplied; flux, solder and thread sealant must be purchased separately.

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