Tantaline Inc. manufactures acid resistant valves for hot acid applications including hydrochloric acid, sulfuric acid, acetic acid, sour gas, and nitric acid. The company's line of acid resistant valves includes ball valves, plug valves, diaphragm valves, globe valves, butterfly valves, check valves, needle valves, safety relief valves, and back pressure relief valves. The various valves are available in sizes from 1/2" to 10", and in ANSI 150, ANSI 300, ANSI 600, PN 16, and PN 40 pressure classes.