A variety of end cap and flange cap options for the 2″, 3″, or 4″ Series Watertight Enclosures allow you to customize your enclosure for your application. End caps require an O-ring sealing flange to be installed on the enclosure and flange caps have the O-ring sealing flange built-in so that one is not necessary.

The clear acrylic end cap and dome end cap offer optically clear ports for cameras, lights, and other applications where optical clarity is important. They install to the O-ring sealing flange with six included screws.

The flange caps are anodized aluminum and include the same features as the O-ring sealing flange including dual radial O-rings for reliable high-pressure sealing, a locking cord gland, and an anti-rotation feature. The flange caps are available with a solid blank end, which can be machined with custom hole patterns, as well as M10 threaded holes for our cable penetrators. The flange caps do not require any screws, eliminating the need for stainless steel near the enclosures and preventing galvanic corrosion.


The end caps and flange caps are available individually here, but you can configure a complete watertight enclosure from the watertight enclosure configuration page.


Tube and flange with the locking cord installed.



 

BlueRobotics
Enclosures
Watertight Enclosure End Caps, Domes, and Flange Caps (3'') - Marine Thinking
Watertight Enclosure End Caps, Domes, and Flange Caps (3'') - Marine Thinking
Watertight Enclosure End Caps, Domes, and Flange Caps (3'') - Marine Thinking
Watertight Enclosure End Caps, Domes, and Flange Caps (3'') - Marine Thinking
Watertight Enclosure End Caps, Domes, and Flange Caps (3'') - Marine Thinking
Watertight Enclosure End Caps, Domes, and Flange Caps (3'') - Marine Thinking
  • SKU: WTE-ECAP-DOM-FLCAP-3IN-1

Watertight Enclosure End Caps, Domes, and Flange Caps (3'')

$45.99
End caps and flange caps for the 2″, 3″, and 4″ Series Watertight Enclosures. These are the second generation of these end caps and flange caps with precision machined O-ring interfaces, a locking cord, anti-rotation feature, and optional M10 holes for cable penetrators. Rated to depths up to 950 meters.

    A variety of end cap and flange cap options for the 2″, 3″, or 4″ Series Watertight Enclosures allow you to customize your enclosure for your application. End caps require an O-ring sealing flange to be installed on the enclosure and flange caps have the O-ring sealing flange built-in so that one is not necessary.

    The clear acrylic end cap and dome end cap offer optically clear ports for cameras, lights, and other applications where optical clarity is important. They install to the O-ring sealing flange with six included screws.

    The flange caps are anodized aluminum and include the same features as the O-ring sealing flange including dual radial O-rings for reliable high-pressure sealing, a locking cord gland, and an anti-rotation feature. The flange caps are available with a solid blank end, which can be machined with custom hole patterns, as well as M10 threaded holes for our cable penetrators. The flange caps do not require any screws, eliminating the need for stainless steel near the enclosures and preventing galvanic corrosion.


    The end caps and flange caps are available individually here, but you can configure a complete watertight enclosure from the watertight enclosure configuration page.


    Tube and flange with the locking cord installed.



     

    End Caps

    • 1 x End Cap (based on selection)
    • 6 x Socket Head Cap Screw (see technical details for size)

    Domes

    • 1 x Dome and Retaining Ring (based on selection)
    • 6 x Socket Head Cap Screw (see technical details for size)

    Flange Caps

    • 1 x Flange Cap (based on selection)
    • 2 x Radial O-ring
    • 1 x PTFE Locking Cord
    • 1 x Locking Cord Handle and Set Screw
    • 1 x Single-use Packet of Molykote 111 Compound




    End Caps

    Series Diameter

    Material

    Hole Configuration

    End Cap Screws

    End Cap Screw Hole Circle (K)

    Thickness¹ (L)

    Weight

    Depth Rating

    Part Number

    50 mm
     (2")

    Cast Acrylic

    Blank (No holes)

    M2x0.4-10

    Ø50.8 ± 0.1 mm

    6.4 mm

    17 g

    600 m

    WTE2-P-END-CAP

    75 mm
     (3")

    Cast Acrylic

    Blank (No holes)

    M3x0.5-12

    Ø82.6 ± 0.1 mm

    9 mm

    58 g

    400 m

    WTE3-P-END-CAP

    6061-T6 Aluminum, Type II Anodized

    Blank (No holes)

    6 mm

    102 g

    1000 m

    WTE3-M-END-CAP

    4x M10 Thru

    6 mm

    97 g

    WTE3-M-END-CAP-4-HOLE

    7x M10 Thru

    6 mm

    93 g

    WTE3-M-END-CAP-7-HOLE

    100 mm
     (4")

    Cast Acrylic

    Blank (No holes)

    M3x0.5-16

    Ø108.0 ± 0.1 mm

    12.7 mm

    135 g

    500 m

    WTE4-P-END-CAP

    6061-T6 Aluminum, Type II Anodized

    Blank (No holes)

    M3x0.5-12

    6 mm

    168 g

    WTE4-M-END-CAP

    5x M10 Thru

    6 mm

    162 g

    WTE4-M-END-CAP-5-HOLE

    10x M10 Thru

    6 mm

    155 g

    WTE4-M-END-CAP-10-HOLE

    14x M10 Thru

    6 mm

    153 g

    WTE4-M-END-CAP-14-HOLE

    7x M10 Thru
     11x M10x1.5 Threaded

    10 mm

    197 g

    950 m

    WTE4-M-END-CAP-18-HOLE

    ¹ Overall thickness tolerance ± 0.1 mm

    Domes

    Series Diameter

    Material

    Dome Internal Radius (M)

    Dome Wall Thickness (N)

    Screws

    Weight

    Depth Rating

    Part Number

    50 mm (2")

    Acrylic dome, polycarbonate retaining ring

    18.0 ± 0.1 mm

    2.50 ± 0.10 mm

    M2x0.4-10

    15 g

    950 m

    WTE2-P-DOME

    75 mm (3")

    31.25 ± 0.10 mm

    3.1 ± 0.1 mm

    M3x0.5-12

    39 g

    750 m

    WTE3-P-DOME

    100 mm (4")

    43.5 ± 0.1 mm

    3.75 ± 0.10 mm

    M3x0.5-12

    81 g

    500 m

    WTE4-P-DOME


    Flange Caps

    Series Diameter

    Hole Configuration

    Weight

    Depth Rating

    Radial Seal O-ring

    Flange OD (E)

    Piston Diameter (F)

    Piston Length (G)

    Overall Length (H)

    Inner Mounting Hole Circle (J)

    Part Number

    50 mm (2")

    Blank (No holes)

    63 g

    950 m

    -030
     Buna-N 70A

    58.0 ± 0.1 mm

    50.95 ± 0.05 mm

    15.5 ± 0.1 mm

    21.5 ± 0.1 mm

    43.0 ± 0.1 mm

    WTE2-M-LOCKING-FLANGE-CAP-BLANK

    2x M10 Thru

    59 g

    WTE2-M-LOCKING-FLANGE-CAP-2-HOLE

    4x M10x1.5 Threaded

    58 g

    WTE2-M-LOCKING-FLANGE-CAP-4-HOLE

    Locking Cord Diameter (D): 2.6 ± 0.4 mm for all flange caps

    Inner Mounting Holes (I): M3x0.5 for all flange caps



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