PBS Water Tech [P] Ltd. Supplies Pressure Vessel with 50 mm Shell Thickness. PBS Water Tech [P] Ltd. Has an ISO 9001:2000 certification. Pressure Vessel with 50 mm Shell Thickness is available in Diameter 5000 mm x Length 12000 mm with 50 tons equipment weight. Pressure Vessel with 50 mm Shell Thickness comes with stainless steel, duplex stainless steel, alloy steel finishes.