Sigma can supply with complete range of full piping system in SS 304 and SS 316 Lined Pipes & Fittings, we also offer PFA lined stainless steel ball valves, stainless steel poppet check valves and sight glasses. We manufacture piping system with all wetted parts PTFE / PFA and steel external finish of stainless steel. Corrosion performance of the stainless steel is well known, hence spending 20 % to 25 % cost on painting lines can be saved besides life of the systems is incresed consideraly if it is to be used for the longer time.