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    20 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.

    Medium-Pressure Iron and Steel Threaded Pipe Fittings

    With better strength than our low-pressure iron and steel pipe fittings, these can handle medium-pressure applications. They are for use in noncorrosive environments.
    External-Square-Drive Plugs
    Image of Product. NPT Male. Front orientation. Pipe and Fittings. Medium-Pressure Iron and Steel Threaded Pipe Fittings, External-Square-Drive Plugs, Male, Threaded Fitting Connection, Square Body.

    NPT Male

    Pipe
    Size
    Construction
    Pressure
    Class
    Body
    Shape
    Material
    Max. Pressure
    @ Temp.
    Max. Steam Pressure
    @ Temp.
    Certification
    Each
    NPT Male
    1/2
    		Solid300
    		SquareIron400 psi @ 72° F300 psi @ 550° FUL Listed
    		4627K33300000
    3/4
    		Solid300
    		SquareIron400 psi @ 72° F300 psi @ 550° FUL Listed
    		4627K3340000
    1
    		Solid300
    		SquareIron400 psi @ 72° F300 psi @ 550° FUL Listed
    		4627K3350000
    1 1/4
    		Solid300
    		SquareIron400 psi @ 72° F300 psi @ 550° FUL Listed
    		4627K33600000
    1 1/2
    		Solid300
    		SquareIron400 psi @ 72° F300 psi @ 550° FUL Listed
    		4627K33700000
    2
    		Solid300
    		SquareIron400 psi @ 72° F300 psi @ 550° FUL Listed
    		4627K33800000
    2 1/2
    		Solid300
    		SquareIron400 psi @ 72° F300 psi @ 550° FUL Listed
    		4627K41600000
     

    Low-Pressure Iron and Steel Threaded Pipe Fittings

    Use these fittings for low-pressure applications in noncorrosive environments.
    Square-Drive Plugs
    Image of Product. Male. Front orientation. Pipe and Fittings. Low-Pressure Iron and Steel Threaded Pipe Fittings, Square-Drive Plugs, Male, Threaded Fitting Connection.

    Male

    Pipe
    Size
    Construction
    Pressure
    Class
    Material
    Max. Pressure
    @ Temp.
    Max. Steam Pressure
    @ Temp.
    Each
    NPT Male
    2 1/2
    		Hollow125
    		Iron175 psi @ 72° F125 psi @ 350° F44605K705000000
    3
    		Hollow125
    		Iron175 psi @ 72° F125 psi @ 350° F44605K70600000
    3 1/2
    		Hollow125
    		Iron175 psi @ 72° F125 psi @ 350° F44605K70700000
    4
    		Hollow125
    		Iron175 psi @ 72° F125 psi @ 350° F44605K708000000
     
    External-Square-Drive Plugs
    Image of Product. Male. Front orientation. Pipe and Fittings. Low-Pressure Iron and Steel Threaded Pipe Fittings, External-Square-Drive Plugs, Male, Threaded Fitting Connection, Square Body.

    Male

    Pipe
    Size
    Construction
    Pressure
    Class
    Body
    Shape
    Material
    Max. Pressure
    @ Temp.
    Max. Steam Pressure
    @ Temp.
    Each
    NPT Male
    2 1/2
    		Hollow125
    		SquareIron175 psi @ 72° F125 psi @ 350° F44605K701000000
    3
    		Hollow125
    		SquareIron175 psi @ 72° F125 psi @ 350° F44605K70200000
    3 1/2
    		Hollow125
    		SquareIron175 psi @ 72° F125 psi @ 350° F44605K70300000
    4
    		Hollow125
    		SquareIron175 psi @ 72° F125 psi @ 350° F44605K70400000
     
    Locknuts
    Image of Product. Front orientation. Pipe Locknuts.
    Pipe
    Size
    Finished
    Material
    Max. Pressure
    @ Temp.
    Max. Steam Pressure
    @ Temp.
    Each
    NPT Female
    3
    		Iron175 psi @ 72° F125 psi @ 350° F44605K488000000
     

    Low-Pressure Galvanized Iron and Steel Threaded Pipe Fittings

    The galvanized finish on these fittings provides fair corrosion resistance. Fittings are for use in low-pressure applications.
    External-Square-Drive Plugs
    Image of Product. Front orientation. Pipe and Fittings. Low-Pressure Galvanized Iron and Steel Threaded Pipe Fittings, External-Square-Drive Plugs, Male, Threaded Fitting Connection.

    Threaded

    Fitting

    Connection, Male

    Pipe
    Size
    Construction
    Pressure
    Class
    Body
    Shape
    Material
    Max. Pressure
    @ Temp.
    Max. Steam Pressure
    @ Temp.
    Certification
    Each
    NPT Male
    2 1/2
    		Hollow125
    		SquareGalvanized Iron125 psi @ 72° F125 psi @ 350° FUL Listed
    		4638K934000000
    3
    		Hollow125
    		SquareGalvanized Iron125 psi @ 72° F125 psi @ 350° FUL Listed
    		4638K93500000
    3 1/2
    		Hollow125
    		SquareGalvanized Iron125 psi @ 72° F125 psi @ 350° FUL Listed
    		4638K93600000
    4
    		Hollow125
    		SquareGalvanized Iron125 psi @ 72° F125 psi @ 350° FUL Listed
    		4638K939000000
     
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