Bitumen Cargo System Pos. 6 Bitumen Cargo System Pos. 6 PROCESS DATA Fluid: Bitumen oilPressure: 12 barTemperature: 250°CTypical DN: 150-300Pressure rating: PN 16Valve type: Check valveMaterial valve body: Stainless steelMaterial seat: Stainless steel Valve description Check valve (non return) with a seat made of stainless steel.Outside of Somas valve manufacturing program.