Oil-Rite Corporation > Liquid Level Gages > Vented Brass Gages > Brass Elbow Gages with Female Inlet > Item # B2577-6  

Item # B2577-6, Vented Brass Elbow Gage with Female Inlet, 1 17/32” Sight Opening, 1/2” Diameter Glass, 3/8” Female NPT Mounting Thread

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Vented Brass Elbow Gages with Female Inlets can be used on oil bearings, gear boxes, crank cases, transformers, switches or any application requiring visual indication of liquid level.  The leak proof construction, large vent hole and unrestricted passages permit fast and accurate liquid level response. 


The square shank with female pipe thread screws horizontally into a pipe nipple.  The gage can be disassembled for installation in very tight places. 


This brass elbow gage features a 1/2” diameter glass sight protected by a shield.  The shield can be revolved to the most convenient position for viewing or taken off completely for cleaning.  A protected vent hole in the cap reduces the possibility of dust, dirt, or moisture getting inside the gage.  The gage uses only atmospheric pressure.  A Teflon washer reduces friction between the cap and the glass during installation and adjustments.  Buna-N seals are used. The unit tolerates temperatures up to 225° F.


Brass Elbow Gages with Female Inlets can also be custom built with alternate caps.  To view the optional caps, click here.





A          Height from Center of Mounting Hole                    2 13/16”

B          Sight Opening                                                    1 17/32”


Sight Opening

1 17/32"

Height from Center of Mounting Hole

2 13/16"

Mounting Thread

3/8" Female NPT

Glass Diameter

1/2" dia


Female Inlet

Body Material


 This Item is Compliant 


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