Vented Short Elbow Brass Gauge - 1 1/32in., 1/4in. Male NPT, 1/2in. dia

Item # B1138-2, Vented Short Elbow Brass Gauge, 1 1/32 Sight Opening, 1/2 Diameter Glass, 1/4 Male NPT Mounting ThreadVented Short Elbow Brass Gauges 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 pipe thread screws horizontally into a tapped hole. The gauge can be disassembled for installation in very tight places .This brass elbow gauge 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 gauge. The gauge 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 .Short Elbow Brass Gauges can also be custom built with optional parts including alternate caps and/or drain bases of varying lengths and mounting threads. To view optional parts, please use our product search feature .Dimensions:A Height from Center of Mounting Hole 1 15/16B Sight Opening 1 1/32C Length of Mounting Thread 7/16 Length of Base 1 5/8