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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-404 - (Adapter Fitting) FTG x MPT
    Unit of Measure
    Items WC-404R - (Adapter Fitting) FTG x MPT
    W 01414
    Adapter Fitting, FTG x MPT, 1/4" x 3/8"
    WC-404 - (Adapter Fitting) FTG x MPT
    W 01425
    Adapter Fitting, FTG x MPT, 3/8"
    WC-404 - (Adapter Fitting) FTG x MPT
    W 01431
    Adapter Fitting, FTG x MPT, 1/2"
    WC-404R - (Adapter Fitting) FTG x MPT
    W 01432
    Adapter Fitting, FTG x MPT, 1/2" x 3/8"
    WC-404 - (Adapter Fitting) FTG x MPT
    W 01446
    Adapter Fitting, FTG x MPT, 3/4"
    Weight N/A 0.06 lb N/A 0.05 lb N/A 0.09 lb N/A 0.07 lb N/A 0.15 lb
    Overall Length N/A 1.25 in N/A 1.23 in N/A 1.37 in N/A 1.22 in N/A 1.92 in
    Overall Height N/A 0.78 in N/A 0.78 in N/A 0.91 in N/A 0.78 in N/A 1.14 in
    Overall Width N/A 0.78 in N/A 0.78 in N/A 0.91 in N/A 0.78 in N/A 1.14 in
    Style N/A WC-404R N/A WC-404 N/A WC-404 N/A WC-404R N/A WC-404
    Material N/A WROT COPPER
    Operating Temperature N/A CDA-Copper-Fitting-Pressue-Temp-Ratings
    Operating Pressure N/A CDA-Copper-Fitting-Pressue-Temp-Ratings
    End Type N/A FTG - Fitting (Male Solder)
    End Size N/A 1/4 in N/A 3/8 in N/A 1/2 in N/A 1/2 in N/A 3/4 in
    Second End Type N/A MPT - Male Pipe Tapered Thread (NPT)
    Second End Size N/A 3/8 in N/A 3/8 in N/A 1/2 in N/A 3/8 in N/A 3/4 in
    Qty Pcs / Bag N/A 50 N/A 50 N/A 50 N/A 50 N/A 25
    Master Qty Pcs / Box N/A 750 N/A 750 N/A 500 N/A 750 N/A 250
    Mueller Description 1 N/A 1/4 FTG X 3/8 MPT ADAPTER N/A 3/8 FTG X MPT ADAPTER N/A 1/2 FTG X MPT ADAPTER N/A 1/2 FTG X 3/8 MPT ADAPTER N/A 3/4 FTG X MPT ADAPTER
    Mueller Description 2 N/A 3/8OD FTG X 3/8 MPT ADAPTER N/A 1/2OD FTG X 3/8 MPT ADAPTER N/A 5/8OD FTG X 1/2 MPT ADAPTER N/A 5/8OD FTG X 3/8 MPT ADAPTER N/A 7/8OD FTG X 3/4 MPT ADAPTER
    Standards N/A
  • NSF 61G
  • ASME B16.15
  • ASME B16.18
  • ASME B16.22
  • ASME B16.24
  • ASME B16.50
  • ASME B1.20.1