The davite company provides glass-lined diaphragm valves. The company supplies a full range of diaphragm valves in weir [a] type and straight bore [kb] type. The sizes range from 6 mm to 200 mm in various corrosion resistant materials. All the linings are spark tested and guaranteed. Glass lined diaphragm valves can resist temperature up to 300ºc and are spark tested to 10 kv, tested up to 20 kg/cm². The company offers various kinds of anticorrosive linings. Glass lined valves are resistant to all known chemicals except hydrofluoric acid. There is a to all known chemicals except hydrofluoric acid. There is a wide range of materials. These can be supplied in iss, bss, asa, din and other international standards. The range includes other valves like gate, globe, check, pulp, non-return, butterfly, wafer check valves in various designs and material of construction. Almost every known fluid in the industry throughout the world whether in chemical, fertilizer, drugs, paper and sugar or control engineering can be handled by the diaphragm valve.