Vented Elbow Union Coupling Brass Liquid Level Gages feature a square shank with a pipe thread that screws horizontally into a tapped hole. A full rotational clearance is not necessary; the union coupling is installed without rotating the entire gage.
| Items |
 B1357-1 Vented Union Coupling Brass Elbow Gage, 1 1/32” Sight Opening, 1/2” Diameter Glass, 1/8” Male NPTF Mounting Thread |
 B1357-2 Vented Union Coupling Brass Elbow Gage, 1 1/32” Sight Opening, 1/2” Diameter Glass, 1/4” Male NPTF Mounting Thread |
 B1357-3 Vented Union Coupling Brass Elbow Gage, 1 1/32” Sight Opening, 1/2” Diameter Glass, 3/8” Male NPTF Mounting Thread |
 B1357-4 Vented Union Coupling Brass Elbow Gage, 1 17/32” Sight Opening, 1/2” Diameter Glass, 1/8” Male NPTF Mounting Thread |
 B1357-5 Vented Union Coupling Brass Elbow Gage, 1 17/32” Sight Opening, 1/2” Diameter Glass, 1/4” Male NPTF Mounting Thread |
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| Sight Opening | 1 1/32" | 1 1/32" | 1 1/32" | 1 17/32" | 1 17/32" | |||||
| Height from Center of Mounting Hole | 1 15/16" | 1 15/16" | 1 15/16" | 2 7/16" | 2 7/16" | |||||
| Mounting Thread | 1/8" Male NPTF | 1/4" Male NPTF | 3/8" Male NPTF | 1/8" Male NPTF | 1/4" Male NPTF | |||||
| Glass Diameter | 1/2" dia | |||||||||
| Feature | Union Coupling | |||||||||
| Body Material | Brass | |||||||||
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