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    17 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 with Sealant

    To prevent leaks in low-pressure lines, the male threads on these fittings have an acrylic sealant already applied for extra protection. Also known as Pressure Class 125 or 150 fittings. Made of either iron or steel, they’re best in noncorrosive environments. Even with sealant, threaded connections can be taken apart for maintenance and repair.
    Square-Drive Plugs
    Image of Product. NPT Male. Front orientation. Pipe and Fittings. Low-Pressure Iron and Steel Threaded Pipe Fittings with Sealant, Square-Drive Plugs, Threaded Fitting Connection, Male.

    NPT Male

    Pipe
    Size
    Construction
    Pressure
    Class
    Material
    Max. Pressure
    @ Temp.
    Max. Steam
    Pressure @ Temp.
    Each
    NPT Male
    1/2
    		Solid150
    		Steel
    		150 psi @ 72° FNot Rated5245N4200000
    3/4
    		Solid150
    		Steel
    		150 psi @ 72° FNot Rated5245N430000
    1
    		Solid150
    		Steel
    		150 psi @ 72° FNot Rated5245N440000
    1 1/4
    		Solid150
    		Steel
    		150 psi @ 72° FNot Rated5245N450000
    2
    		Solid150
    		Steel
    		150 psi @ 72° FNot Rated5245N4600000
     

    FM-Approved Low-Pressure Iron and Steel Threaded Pipe Fittings

    Suitable for use in fire-protection applications, these pipe fittings are made of cast iron, so they are brittle and can be quickly opened with the strike of a sledge hammer. They are also known as Pressure Class 125 fittings. Use in noncorrosive environments.
    Square-Drive Plugs
    Image of Product. NPT Male. Front orientation. Pipe and Fittings. FM-Approved Low-Pressure Iron and Steel Threaded Pipe Fittings, Square-Drive Plugs, Threaded Fitting Connection, Male.

    NPT Male

    Pipe
    Size
    Construction
    Pressure
    Class
    Material
    Max. Pressure
    @ Temp.
    Max. Steam Pressure
    @ Temp.
    Certification
    Each
    NPT Male
    1
    		Solid125
    		Cast Iron175 psi @ 72° F125 psi @ 350° FFM Approved, UL Listed
    		68115K105000000
    1 1/4
    		Solid125
    		Cast Iron175 psi @ 72° F125 psi @ 350° FFM Approved, UL Listed
    		68115K10600000
    1 1/2
    		Solid125
    		Cast Iron175 psi @ 72° F125 psi @ 350° FFM Approved, UL Listed
    		68115K10700000
    2
    		Solid125
    		Cast Iron175 psi @ 72° F125 psi @ 350° FFM Approved, UL Listed
    		68115K10800000
    2 1/2
    		Solid125
    		Cast Iron175 psi @ 72° F125 psi @ 350° FFM Approved, UL Listed
    		68115K10900000
    3
    		Solid125
    		Cast Iron175 psi @ 72° F125 psi @ 350° FFM Approved, UL Listed
    		68115K11100000
    4
    		Solid125
    		Cast Iron175 psi @ 72° F125 psi @ 350° FFM Approved, UL Listed
    		68115K112000000
     

    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, Threaded Fitting Connection, Male.

    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
     
    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
     
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