McMaster-Carr logo
    Filter by
    System of Measurement
    Pipe Size
    Industrial Info Compare
    Material
    Fitting Type
    Industrial Info Snippet
    Pipe Material
    For Tank Surface
    Gender
    Pipe Schedule
    Industrial Info Snippet
    Flange Material
    Fitting Connection
    Industrial Info Compare
    Connects To
    Mounting Location
    Length
    Maximum Pressure @ Temperature
    Industrial Info Snippet
    Tank Adapter Type
    DFARS Specialty Metals
    Export Control Classification Number (ECCN)
    Industrial Info Snippet
    U.S.–Mexico–Canada Agreement (USMCA) Qualifying
    Industrial Info Snippet
    Pressure Rating
    Forward
    Enter e-mail addresses in the fields below
    Message
    Cancel
    Print
    How can we improve?
    Comments
    E-mail address (if you would like a response)
    Help me decide (beta)
    6 Products
    About Pipe and Fittings
    industrial info icon

    Measure your pipe and fittings to identify their pipe size, thread size, schedule, and thread type. Then, find compatible components.

    Low-Pressure Iron and Steel Threaded Pipe Fittings

    Use these fittings for low-pressure applications in noncorrosive environments.
    Straight Adapters for Tanks
    Image of Product. Female × Butt Weld (For Curved Surface). Front orientation. Pipe and Fittings. Low-Pressure Iron and Steel Threaded Pipe Fittings, Straight Adapters for Tanks, Female, Threaded Fitting Connection, Butt-Weld Fitting Connection, For Curved Tank Surfaces.

    Female × Butt Weld

    (For Curved Surface)

    Fittings for tanks create an inlet or outlet connection on the surface of any tank, pressure vessel, or drum.
    Threaded Fitting Connection—Threaded female x butt weld straight adapters are also known as half couplings.
    NPSC Thread—NPSC (National Pipe Straight Coupling) threads are compatible with NPT threads.
    Pipe
    Size
    For Hole
    Diameter (B)
    OD
    For Tank
    OD (B)
    For Tank
    Surface (B)
    Material
    Max. Pressure
    @ Temp.
    Each
    NPSC Female × Butt Weld
    1 1/4
    		1 11/16"2 13/16"36"CurvedSteel
    		Not Rated1698T1200000
    1 1/2
    		1 15/16"3 1/4"36"CurvedSteel
    		Not Rated1698T130000
    2
    		2 7/16"3 11/16"26 1/2"CurvedSteel
    		Not Rated1698T140000
     
    180° Bend Connectors
    Image of Product. Front orientation. Pipe Traps. Low-Pressure Iron and Steel Threaded Pipe Fittings.
    180° bend connectors are also known as U-bends.
    Pipe
    Size
    Material
    Max. Pressure
    @ Temp.
    Max. Steam Pressure
    @ Temp.
    Certification
    Shape
    Each
    NPT Female
    1 1/4
    		Iron150 psi @ 72° F150 psi @ 350° FUL Listed
    		180° Bend44605K566000000
    1 1/2
    		Iron150 psi @ 72° F150 psi @ 350° FUL Listed
    		180° Bend44605K567000000
    2
    		Iron150 psi @ 72° F150 psi @ 350° FUL Listed
    		180° Bend44605K568000000
     
    back to top