Description LPG storage tank is the stationary vessel to store liquied nature gas (propane) and widely used in various industries. We can provide different capacity and standard storage tank. It is designed according to new regulation with high safety performance and long durable time. Optimize the LPG storage tank according to the tank capacity to make the tank of best structure and reduce the material. 100% ultrasonic testing and spectrometer detection for the material steel board. 100% union melt welding and nondestructive testing. 100% surface detection. 100% hydrostatic testing and leak tightness testing. 100% stress relief heat treatment. Automatic shot blasting for rust removal. Parameter List Underground LPG Tank capacity40000L Underground LPG Tank weight9720kg Thickness of Tube14mm Thickness of Head16mm Filling mediumLPG (Liquid petroleum Gas) Medium density (temperature)420~560 kg/m3 Working pressure16.3 bar Max.allowance working pressure18.2 bar Material of tankQ345R carbon steel Heat treatmentWhole post-weld heat treatment StandardChinese standard: GB150 (ASME is optional) Designing life20 years Warranty1 year Tank Material Q345R carbon steel, we factory row material was purchased from government factory directly. Every piece issued certificate and report in our QC department. Tank Head Annealing Treatment Annealing treatment is the very important process for manufacturing gas storage tank. Final Painting Quality Control Every step we arrange QC for test and report all result for checking. Following are our certificates that issued with tank before delivery. 1, Pressure Vessel Product Certificate 2, Pressure Vessel Product Data List 3, Material List 4, Raw Material Inspection Certificate Raw Material Inspection Certificate Raw Material Inspection Certificate 5, Steel Plate Ultrasonic Testing Report Steel Plate Ultrasonic Testing Report Steel Plate Ultrasonic Testing Report 6, Forge Piece (Flange) Inspection Report 7, Flange Steel Certificate 8, Mechanics, Cold Bend Inspection Report 9, Shell Cover Safety Supervision Inspection Certificate 10, Shell cover product certificate 11, Shell cover product certificate 12, Structure size inspection report 13, Welding report 14, Welding seams radiography testing report 15, The X-ray testing sketch map 16, Magnetic powder inspection report 17, Heat treatment test report 18, The hydraulic test report 19, Leakage test (Air tightness) test report All these certificates and reports ensure top product quality. Tank Transport We supply original domestic transporting service and oversea transporting. We supply tank accessories for our clients, if you need this product underground tanks, hope to negotiate with you.LPG Underground Tank website:http://www.cdequip.com/lpg-tank/lpg-underground-tank/