Cargo Tank Cleaning System Pos. 4 CARGO TANK CLEANING SYSTEM POS. 4 PROCESS DATA Fluid: Fresh water/ Sea waterPressure: 12 bar Temperature: 15 °CTypical DN: 100-200Pressure rating: PN 16Valve type: Check valve (non return)Material valve body: Stainless steelMaterial seat: Integrated seat Valve description A check valve with an integrated seat. Outside Somas valve manufacturing program.