A recent project for North Sea Oil and Gas Project for 4 off Duplex UNS S31803 Filter Vessels designed and manufactured to comply with NORSOK M650 & M601 and they comply with Oil and Gas Project specifications. The Filter Vessels required full NDT: 100% Radiography, DPI, Ultrasonic testing and PMI. The design considers nozzle, wind, seismic and blast loadings and is finished with a Pickle and Passivation surface treatment.