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    24 Products

    Breather Vents with Cap

    Image of Product. Front orientation. Breather Vents. Breather Vents with Cap, Style A.
    Image of Product. Front orientation. Breather Vents. Breather Vents with Cap, Style B.
    Image of Product. Front orientation. Breather Vents. Breather Vents with Cap, Style C.
    Image of Product. Front orientation. Breather Vents. Breather Vents with Cap, Style D.
    Image of Product. Replacement Screen. Front orientation. Breather Vent Screens. Breather Vents with Cap, Style D.

    Style A

    Style B

    Style C

    Style D

    Replacement Screen

    Add a filling port to your hydraulic tank while protecting against excess pressure and vacuum. Breather vents stop debris from entering your tank. Mount them on top of standard tank openings with included hardware.
    Style A
    Image of Product. Front orientation. Breather Vents. Breather Vents with Cap, Style A.
    Image of Product. Replacement Screen. Front orientation. Breather Vent Screens. Breather Vents with Cap, Style A.

    Replacement Screen

    Vents
    Replacement
    Screens
    For Opening
    Dia.
    Max. Flow
    Rate, gpm
    Max. Temp.,
    ° F
    Ht.
    For Use
    With
    Screen Material
    Mount
    Type
    No. of Bolt
    Holes
    Bolts
    Included
    Removes Particle
    Size Down To, μm
    Each
    Each
    Steel Body
     
    304 Stainless Steel Cap
    2 1/8"202205"Air, Oil304 Stainless Steel
    		Flange6Yes404473K210000004473K32000000
     
    Steel Cap
    2 1/8"1922505 1/8"Air, Oil304 Stainless Steel
    		Flange6Yes404473K22000004473K330000
     
    Style B
    Image of Product. Front orientation. Breather Vents. Breather Vents with Cap, Style B.
    For Opening
    Dia.
    Max. Flow
    Rate
    Max. Temp.,
    ° F
    Ht.
    For Use
    With
    Screen
    Material
    Mount
    Type
    No. of Bolt
    Holes
    Bolts
    Included
    Removes Particle
    Size Down To, μm
    Each
    Nylon Body
     
    Nylon Cap
    2"Not Rated1955 3/4"Air, OilNylon
    		Flange6Yes404473K42000000
     
    Style C
    Image of Product. Front orientation. Breather Vents. Breather Vents with Cap, Style C.
    Image of Product. Replacement Screen. Front orientation. Breather Vent Screens. Breather Vents with Cap, Style C.

    Replacement Screen

    Vents
    Replacement
    Screens
    For Opening
    Dia.
    Max. Flow
    Rate, gpm
    Max. Temp.,
    ° F
    Ht.
    For Use
    With
    Screen Material
    Mount
    Type
    No. of Bolt
    Holes
    Bolts
    Included
    Removes Particle
    Size Down To, μm
    Each
    Each
    Steel Body
     
    304 Stainless Steel Cap
    2 1/8"202205 3/4"Air, OilNylon
    		Flange6Yes404473K140000004473K31000000
     
    Steel Cap
    2 1/8"115Not Rated5 1/8"Air, Oil304 Stainless Steel
    		Flange6Yes104473K152000004473K330000
    2 1/8"115Not Rated6 1/8"Air, OilNylon
    		Flange6Yes104473K151000004473K1490000
    2 1/8"1901506 1/8"Air, OilNylon
    		Flange6Yes404473K53000004473K1490000
     
    Style D
    Image of Product. Front orientation. Breather Vents. Breather Vents with Cap, Style D.
    Image of Product. Replacement Screen. Front orientation. Breather Vent Screens. Breather Vents with Cap, Style D.

    Replacement Screen

    Vents
    Replacement
    Screens
    For Opening
    Ht.
    For Opening
    Wd.
    Max. Flow
    Rate, gpm
    Max.
    Temp.
    Ht.
    Wd.
    Dp.
    For Use
    With
    Screen Material
    Mount
    Type
    No. of Bolt
    Holes
    Bolts
    Included
    Removes Particle
    Size Down To, μm
    Each
    Each
    Nylon Body
     
    Steel Cap
    3 1/2"3"115Not Rated6 1/8"4 5/8"4"Air, Oil304 Stainless Steel
    		Flange7Yes104473K1540000004473K3300000
    3 1/2"3"192Not Rated6 1/8"4 5/8"4"Air, Oil304 Stainless Steel
    		Flange7Yes404473K153000004473K330000
     

    Lockable Breather Vents with Cap

    Secure access to vented openings in pipe and tanks—the cap can be locked to prevent tampering. These breather vents allow you to add a filling port to your hydraulic tank while protecting against excess pressure and vacuum. Use them to stop debris from entering your tank. Breather vents mount on top of standard tank openings with included hardware. Padlock is not included.
    Flange Mount
    Image of Product. Steel with 304 Stainless Steel Screen. Front orientation. Breather Vents. Lockable Breather Vents with Cap, Flange Mount.
    Image of Product. Steel with Nylon Plastic Screen. Front orientation. Breather Vents. Lockable Breather Vents with Cap, Flange Mount, Nylon Screen.

    Steel with 304

    Stainless Steel

    Screen

    Steel with

    Nylon Plastic

    Screen

    For Opening
    Dia.
    Max.
    Pressure
    Ht.
    For Use
    With
    Cap
    Material
    Screen Material
    No. of Bolt
    Holes
    Bolts
    Included
    Removes Particle
    Size Down To, μm
    For Max. Padlock
    Shackle Dia.
    Each
    Steel Body
    2 1/8"Not Rated5 1/8"Air, OilSteel304 Stainless Steel
    		6Yes103/8"3853N13000000
    2 1/8"Not Rated5 1/8"Air, OilSteel304 Stainless Steel
    		6Yes403/8"4473K4500000
    2 1/8"Not Rated6 1/8"Air, OilSteelNylon
    		6Yes103/8"3853N1200000
    2 1/8"Not Rated6 1/8"Air, OilSteelNylon
    		6Yes403/8"3853N1100000
     
    Threaded NPT Male
    Image of Product. Bottom orientation. Breather Vents. Lockable Breather Vents with Cap, Threaded NPT Male, Aluminum Body.

    Aluminum Body

    Pipe
    Size
    Max.
    Pressure
    Max. Temp.,
    ° F
    Ht.
    Dia.
    For Use With
    Cap
    Material
    Screen
    Material
    For Max. Padlock
    Shackle Dia.
    Each
    Aluminum Body and Fitting
    2
    		Not Rated2004 1/2"5 5/8"Air, Oil, WaterAluminum
    		Stainless Steel
    		3/8"4906K11000000
     

    Weather Resistant Breather Vents

    Image of Product. Front orientation. Breather Vents. Weather Resistant Breather Vents, Threaded NPT Female, Style B.
    Image of Product. Front orientation. Breather Vents. Weather Resistant Breather Vents, Slip On Female, Style C.

    Threaded NPT

    Female, Style B

    Slip On Female

    Style C

    Shield outdoor pipe and tank openings from the environment. Also known as vent caps, these breather vents have screens to allow air flow while blocking debris. Use them to prevent excess vacuum and pressure in your equipment.
    Threaded NPT Female
    Image of Product. Front orientation. Breather Vents. Weather Resistant Breather Vents, Threaded NPT Female, Style B.

    Style B

    Screen
    Style
    Pipe
    Size
    Max. Flow Rate
    @ Pressure
    Max.
    Pressure
    Max.
    Temp.
    Ht.
    Dia.
    For Use
    With
    Material
    Construction
    Mesh
    Size
    Removes Particle
    Size Down To, μm
    Each
    Zinc-Plated Iron Body and Fitting
    B3
    		Not RatedNot RatedNot Rated2 1/2"5 1/2"Air304 Stainless Steel
    		Wire Mesh30 × 30
    		88036635K46000000
    B4
    		Not RatedNot RatedNot Rated2 1/2"6 1/2"Air304 Stainless Steel
    		Wire Mesh20 × 20
    		86436635K47000000
     
    Slip On Female
    Image of Product. Front orientation. Breather Vents. Weather Resistant Breather Vents, Slip On Female, Style C.

    Style C

    Style C—Style C has a set screw to secure in place.
    Screen
    Style
    Pipe
    Size
    Max. Flow Rate
    @ Pressure
    Max.
    Pressure
    Max.
    Temp.
    Ht.
    Dia.
    For Use
    With
    Material
    Construction
    Screen Opening
    Size
    Features
    Each
    Zinc-Plated Steel Body and Fitting
    C1
    		Not RatedNot RatedNot Rated1 1/2"2 1/2"AirSteelPerforated1/8"Set Screw36635K5100000
    C1 1/4
    		Not RatedNot RatedNot Rated1 1/2"2 1/2"AirSteelPerforated1/8"Set Screw36635K520000
    C1 1/2
    		Not RatedNot RatedNot Rated1 3/4"2 3/4"AirSteelPerforated1/8"Set Screw36635K530000
    C2
    		Not RatedNot RatedNot Rated2 3/4"4"AirSteelPerforated1/8"Set Screw36635K5400000
     
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