30 SERIES bottom mount connection Valley Industry pressure gauges have dry fill material, Steel-corrosion resistant black case material and brass connection material. These gauges are designed for use with gas, oil, and water or any medium not corrosive to brass or bronze.
![Valley Industries](/Images/table_30series_Valley_industries_Gauges.JPG)
![Valley Industries](/Images/valley_industries_30_series_psi_standard_ranges.JPG)