Raffinate, Corrosive attacks, Lethal media, Phosgene GAS, Isocyanate, Polyethylene, etc services can be found in Chemical and Petrochemical plants. Hangna range of ball valve, butterfly valve, check valve, gate valve, globe valve, plug valve, Y strainer, valves's flanges and pipe fittings are used in petrochemical & chemical industries with varied pressure & temperature ratings.