McMaster-Carr logo
    Filter by
    System of Measurement
    Fitting Connection
    Thread Type
    Industrial Info Compare
    Maximum Temperature
    Container Type
    DFARS Specialty Metals
    Export Control Classification Number (ECCN)
    Industrial Info Snippet
    Pipe Size
    Industrial Info Snippet
    Connects To
    Through-Hole Diameter
    Length
    Gender
    Color
    Mount Type
    Food Industry Standard
    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)
    25 Products

    Floats for Threaded Rods

    Connect these floats to threaded float rods (not included). Use them to replace an existing float or combine with rods and float valve bodies (not included) to build a float valve.
    Polypropylene Ball Floats
    Image of Product. Front orientation. Floats. Floats for Threaded Rods, Polypropylene Ball Floats.
    Polypropylene floats are lightweight and meet NSF/ANSI 61 standards for safe use with drinking water.
    Dia.
    Thread
    Size
    Thread
    Type
    Gender
    Max.
    Pressure
    Temp. Range,
    ° F
    Color
    Features
    For Container
    Type
    Food Industry
    Std.
    Each
    6"1/4"-20
    		UNC
    		FemaleNot Rated35 to 175BlackUV ResistantOpen TankNSF/ANSI 61
    		0000000000000
    6"5/16"-18
    		UNC
    		FemaleNot Rated35 to 175BlackUV ResistantOpen TankNSF/ANSI 61
    		000000000000
    304 Stainless Steel Ball Floats
    Image of Product. Front orientation. Floats. Floats for Threaded Rods, 304 Stainless Steel Ball Floats.
    Stainless steel floats have excellent corrosion resistance and are also for use with oil.
    Dia.
    Thread
    Size
    Pipe
    Size
    Thread
    Type
    Gender
    Max. Pressure,
    psi
    Temp. Range,
    ° F
    Ga.
    For Container Type
    Each
    6"—1/4
    		NPT
    		Female300-30 to 22520Open Tank, Closed Tank00000000000000
    6"—1/4
    		NPT
    		Female450-30 to 22518Open Tank, Closed Tank0000000000000
    6"1/4"-20
    		—UNC
    		Female450-30 to 22518Open Tank, Closed Tank0000000000000
    6"3/8"-16
    		—UNC
    		Female300-30 to 22520Open Tank, Closed Tank0000000000000
    304 Stainless Steel Oblong Floats
    Image of Product. Front orientation. Floats. Floats for Threaded Rods, 304 Stainless Steel Oblong Floats.
    Stainless steel floats have excellent corrosion resistance and are also for use with oil.
    Dia.
    Lg.
    Pipe
    Size
    Thread
    Type
    Gender
    Max. Pressure,
    psi
    Temp. Range,
    ° F
    Ga.
    For Container Type
    Each
    6"8"1/4
    		NPT
    		Female125-30 to 22520Open Tank, Closed Tank00000000000000
    316 Stainless Steel Ball Floats
    Image of Product. Front orientation. Floats. Floats for Threaded Rods, 316 Stainless Steel Ball Floats.
    Stainless steel floats have excellent corrosion resistance and are also for use with oil.
    Dia.
    Thread
    Size
    Pipe
    Size
    Thread
    Type
    Gender
    Max. Pressure,
    psi
    Temp. Range,
    ° F
    Ga.
    For Container Type
    Each
    6"—1/4
    		NPT
    		Female300-30 to 22520Open Tank, Closed Tank00000000000000
    6"—1/4
    		NPT
    		Female450-30 to 22518Open Tank, Closed Tank0000000000000
    6"1/4"-20
    		—UNC
    		Female450-30 to 22518Open Tank, Closed Tank0000000000000
    6"3/8"-16
    		—UNC
    		Female300-30 to 22520Open Tank, Closed Tank0000000000000
    316 Stainless Steel Oblong Floats
    Image of Product. Front orientation. Floats. Floats for Threaded Rods, 316 Stainless Steel Oblong Floats.
    Stainless steel floats have excellent corrosion resistance and are also for use with oil.
    Dia.
    Lg.
    Pipe
    Size
    Thread
    Type
    Gender
    Max. Pressure,
    psi
    Temp. Range,
    ° F
    Ga.
    For Container Type
    Each
    6"8"1/4
    		NPT
    		Female125-30 to 22520Open Tank, Closed Tank00000000000000
    Copper Ball Floats
    Image of Product. Front orientation. Floats. Floats for Threaded Rods, Copper Ball Floats.
    Dia.
    Thread
    Size
    Pipe
    Size
    Thread
    Type
    Gender
    Max.
    Pressure
    Temp. Range,
    ° F
    Ga.
    For Container
    Type
    Each
    6"—1/4
    		NPT
    		FemaleNot Rated35 to 18023Open Tank0000000000000
    6"1/4"-20
    		—UNC
    		FemaleNot Rated35 to 18024Open Tank000000000000
    6"3/8"-16
    		—UNC
    		FemaleNot Rated35 to 18023Open Tank000000000000

    Through-Hole Floats

    Image of Product. Front orientation. Floats. Through-Hole Floats.
    The through-hole connection allows these floats to slide up and down a vertical float rod (not included). Use clamps (not included) to set them in a fixed position.
    304 Stainless Steel Ball—For Water and Hydraulic Fluid
    Dia.
    Through-Hole
    Dia.
    Max. Pressure,
    psi
    Temp. Range,
    ° F
    Ga.
    For Container
    Type
    Each
    6"1/4"150-30 to 22520Open Tank00000000000000
    6"3/8"150-30 to 22520Open Tank0000000000000
    6"1/2"150-30 to 22520Open Tank0000000000000
    316 Stainless Steel Ball Floats—For Hydraulic Fluid, For Water
    Dia.
    Through-Hole
    Dia.
    Max. Pressure,
    psi
    Temp. Range,
    ° F
    Ga.
    For Container
    Type
    Each
    6"1/4"150-30 to 22520Open Tank00000000000000
    6"3/8"150-30 to 22520Open Tank0000000000000
    6"1/2"150-30 to 22520Open Tank0000000000000

    Floats for Chemicals

    Made of polyethylene, these floats can be used with chemicals, salts, and caustic fluids.
    Polyethylene Ball Floats
    Image of Product. Front orientation. Floats. Floats for Chemicals, Ball.
    Ball floats are self-tapping when used with a threaded rod.
    Dia.
    Thread
    Size
    Thread
    Type
    Gender
    Max.
    Pressure
    Temp. Range,
    ° F
    Color
    Features
    For Container
    Type
    Each
    6"1/4"-20
    		UNC
    		FemaleNot Rated35 to 140BlackUV ResistantOpen Tank0000000000000
    6"5/16"-18
    		UNC
    		FemaleNot Rated35 to 140BlackUV ResistantOpen Tank000000000000

    Floats without Connections

    Image of Product. Front orientation. Floats. Floats without Connections.
    These floats are untethered by a float rod so they can float freely in your tank.
    316 Stainless Steel—316 stainless steel floats are more corrosion resistant than 304 stainless steel floats.
    Dia.
    Max. Pressure,
    psi
    Temp. Range,
    ° F
    Ga.
    For Container Type
    Each
    304 Stainless Steel Ball Floats—For Hydraulic Fluid, Oil, and Water
    6"450-30 to 22518Open Tank, Closed Tank00000000000000
     
    316 Stainless Steel Ball Floats—For Hydraulic Fluid, For Oil, For Water
    6"450-30 to 22518Open Tank, Closed Tank0000000000000
     
    back to top