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Short Elbow Brass Liquid Level Gages feature a square shank with a pipe thread to screw into a tapped hole on the side of a reservoir.  The gage can be disassembled for installation in very tight places.  Short elbow gages are available with a 1/2" diameter glass sight as well as with a larger 5/8" diameter glass sight.  The leak proof construction, large vent hole and unrestricted passages permit fast and accurate liquid level response. 
B1138 Category
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Item #

Sight Opening

Height from Center of Mounting Hole

Mounting Thread

Glass Diameter

Feature

Body Material

B1138-1 N/A 1 1/32" N/A 1 15/16" N/A 1/8" Male NPT N/A 1/2" dia N/A Short Elbow N/A Brass
B1138-2 N/A 1 1/32" N/A 1 15/16" N/A 1/4" Male NPT N/A 1/2" dia N/A Short Elbow N/A Brass
B1138-3 N/A 1 1/32" N/A 1 15/16" N/A 3/8" Male NPT N/A 1/2" dia N/A Short Elbow N/A Brass
B1138-4 N/A 1 17/32" N/A 2 7/16" N/A 1/8" Male NPT N/A 1/2" dia N/A Short Elbow N/A Brass
B1138-5 N/A 1 17/32" N/A 2 7/16" N/A 1/4" Male NPT N/A 1/2" dia N/A Short Elbow N/A Brass
B1138-6 N/A 1 17/32" N/A 2 7/16" N/A 3/8" Male NPT N/A 1/2" dia N/A Short Elbow N/A Brass
B1138-7 N/A 2 1/32" N/A 2 15/16" N/A 1/8" Male NPT N/A 1/2" dia N/A Short Elbow N/A Brass
B1138-8X01 N/A 2 1/32" N/A 2 15/16" N/A 1/4" Male NPT N/A 1/2" dia N/A Short Elbow N/A Brass
B1138-9 N/A 2 1/32" N/A 2 15/16" N/A 3/8" Male NPT N/A 1/2" dia N/A Short Elbow N/A Brass
B1138-10 N/A 2 17/32" N/A 3 7/16" N/A 1/8" Male NPT N/A 1/2" dia N/A Short Elbow N/A Brass
B1138-11 N/A 2 17/32" N/A 3 7/16" N/A 1/4" Male NPT N/A 1/2" dia N/A Short Elbow N/A Brass
B1138-12 N/A 2 17/32" N/A 3 7/16" N/A 3/8" Male NPT N/A 1/2" dia N/A Short Elbow N/A Brass
B1138-13 N/A 3 1/32" N/A 3 15/16" N/A 1/8" Male NPT N/A 1/2" dia N/A Short Elbow N/A Brass
B1138-14 N/A 3 1/32" N/A 3 15/16" N/A 1/4" Male NPT N/A 1/2" dia N/A Short Elbow N/A Brass
B1138-15 N/A 3 1/32" N/A 3 15/16" N/A 3/8" Male NPT N/A 1/2" dia N/A Short Elbow N/A Brass
B1138-16 N/A 3 17/32" N/A 4 7/16" N/A 1/8" Male NPT N/A 1/2" dia N/A Short Elbow N/A Brass
B1138-17 N/A 3 17/32" N/A 4 7/16" N/A 1/4" Male NPT N/A 1/2" dia N/A Short Elbow N/A Brass
B1138-18X00 N/A 3 17/32" N/A 4 7/16" N/A 3/8" Male NPT N/A 1/2" dia N/A Short Elbow N/A Brass
B1138-19 N/A 4 1/32" N/A 4 15/16" N/A 1/8" Male NPT N/A 1/2" dia N/A Short Elbow N/A Brass
B1138-20 N/A 4 1/32" N/A 4 15/16" N/A 1/4" Male NPT N/A 1/2" dia N/A Short Elbow N/A Brass
B1138-21 N/A 4 1/32" N/A 4 15/16" N/A 3/8" Male NPT N/A 1/2" dia N/A Short Elbow N/A Brass
B1138-22 N/A 4 17/32" N/A 5 7/16" N/A 1/8" Male NPT N/A 1/2" dia N/A Short Elbow N/A Brass
B1138-23 N/A 4 17/32" N/A 5 7/16" N/A 1/4" Male NPT N/A 1/2" dia N/A Short Elbow N/A Brass
B1138-24 N/A 4 17/32" N/A 5 7/16" N/A 3/8" Male NPT N/A 1/2" dia N/A Short Elbow N/A Brass
B1138-25 N/A 5 17/32" N/A 6 7/16" N/A 1/8" Male NPT N/A 1/2" dia N/A Short Elbow N/A Brass
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