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Streamline® Copper Solder-Joint Fittings for supply/pressurized systems have been the leading brand of copper fittings for over 80 years. Available in both wrot copper and cast bronze, our product selection has grown to become the most extensive in the industry. We are the acknowledged experts at engineering and manufacturing precision solder-joint copper fittings. Quality, consistency and reliability have made the Streamline® brand trusted and specified all around the world.

  • For use in above-ground potable water supply systems
  • Constructed of high-grade copper or bronze materials
  • Made to applicable ASME standards B16.15, B16.18, B16.22, B16.24, B16.50, B1.20.1
  • Wrot fittings meet NSF 61G
  • WC-400R - (Coupling Reducing) C x C
    Unit of Measure
    Items WC-400R - (Coupling Reducing) C x C
    W 01004
    Coupling Reducing, C x C, 1/8" x 1/16"
    WC-400R - (Coupling Reducing) C x C
    W 01010
    Coupling Reducing, C x C, 1/4" x 3/16"
    WC-400R - (Coupling Reducing) C x C
    W 01011
    Coupling Reducing, C x C, 1/4" x 1/8"
    WC-400R - (Coupling Reducing) C x C
    W 01021
    Coupling Reducing, C x C, 3/8" x 1/8"
    WC-400R - (Coupling Reducing) C x C
    W 01019
    Coupling Reducing, C x C, 3/8" x 1/4"
    Weight N/A 0.01 lb N/A 0.01 lb N/A 0.01 lb N/A 0.02 lb N/A 0.02 lb
    Overall Length N/A 1.54 in N/A 0.72 in N/A 1.50 in N/A 0.86 in N/A 0.82 in
    Overall Height N/A 0.65 in N/A 0.48 in N/A 0.90 in N/A 0.57 in N/A 0.57 in
    Overall Width N/A 0.65 in N/A 0.48 in N/A 0.90 in N/A 0.57 in N/A 0.57 in
    Style N/A WC-400R
    Operating Temperature N/A CDA-Copper-Fitting-Pressue-Temp-Ratings
    Operating Pressure N/A CDA-Copper-Fitting-Pressue-Temp-Ratings
    Material N/A WROT COPPER
    End Type N/A C - Cup (Female Solder)
    End Size N/A 1/8 in N/A 1/4 in N/A 1/4 in N/A 3/8 in N/A 3/8 in
    Second End Type N/A C - Cup (Female Solder)
    Second End Size N/A 1/16 in N/A 3/16 in N/A 1/8 in N/A 1/8 in N/A 1/4 in
    Qty Pcs / Bag N/A 50
    Master Qty Pcs / Box N/A 1700 N/A 1700 N/A 1700 N/A 1200 N/A 1700
    Mueller Description 1 N/A 1/8 X 1/16 COUPLING N/A 1/4 X 3/16 COUPLIN N/A 1/4 C X 1/8 C COUPLING N/A 3/8 C X 1/8 C COUPLING N/A 3/8 C X 1/4 C COUPLING
    Mueller Description 2 N/A 1/4OD X 3/16OD COUPLING N/A 3/8OD X 5/16OD COUPLING N/A 3/8 OD X 1/4OD COUPLING N/A 1/2 OD X 1/4OD COUPLING N/A 1/2 OD X 3/8OD COUPLING
    Standards N/A
  • NSF 61G
  • ASME B16.15
  • ASME B16.18
  • ASME B16.22
  • ASME B16.24
  • ASME B16.50