Subbu engineers manufactures has launched a range of valves and accessories for petrochemicals, processing, paper, food, refineries, steel plants, fertilizers, chemicals, textiles, pharmaceuticals industries, etc. Butterfly valves are made in cast iron, cast steel and ss. These which are available in sizes from 25 mm to 300 mm. Subbu engineers the company also manufactures inverted bucket type steam traps, non-return valves and y-type strainers.