PRODUCTS Customizable Valves Driven By Customer's Needs Sadra Mahan Parsian products have been designed for a wide range of applications in natural gas, oil, oil refining, chemical, marine, power generation, and pipeline transportation industries. Rising Stem Ball Valves Control Valve Butterfly Valve Swing & Wafer Check Valve Through Conduit Gate Valve Pressure Balance Plug Valve Trunnion & Floating Ball Valves Stem Jacketed Plug/Ball valves