Vented Union Coupling Steel Elbow 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 |
 B1608-1 Vented Union Coupling Elbow Steel Gage, 3/4” Sight Opening, 1/8” Male NPTF Mounting Thread |
 B1608-2 Vented Union Coupling Elbow Steel Gage, 3/4” Sight Opening, 1/4” Male NPTF Mounting Thread |
 B1608-3 Vented Union Coupling Elbow Steel Gage, 3/4” Sight Opening, 3/8” Male NPTF Mounting Thread |
 B1608-5 Vented Union Coupling Elbow Steel Gage, 1 3/8” Sight Opening, 1/8” Male NPTF Mounting Thread |
 B1608-6 Vented Union Coupling Elbow Steel Gage, 1 3/8” Sight Opening, 1/4” Male NPTF Mounting Thread |
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| Sight Opening | 3/4" | 3/4" | 3/4" | 1 3/8" | 1 3/8" | |||||
| Height from Center of Mounting Hole | 2 31/32" | 2 31/32" | 2 31/32" | 3 19/32" | 3 19/32" | |||||
| Mounting Thread | 1/8" Male NPTF | 1/4" Male NPTF | 3/8" Male NPTF | 1/8" Male NPTF | 1/4" Male NPTF | |||||
| Feature | Union Coupling | |||||||||
| Body Material | Plated Steel | |||||||||
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