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The semitraller of CNG station is use for tramsporting high pressure natural gas, hydrogen, helium, nitrogen and other permanet gas and connect with several or more large volume seamless steel cylinders. The overall structure of high pressure gas semitraller is formed by ambulating structure, large volume seamless steel cylinders and connecting structure of semitraller. The external diameter of steel cylinder is 325-610mm, Φ559mm and 20MPa 25Mpa working pressure. There are safe house and operating house on each end of framing pipe. The each end of steel cglinder has internal and external screw thread. The each end of external screw thread use safe flange to hold container. The two ends of front and back supported is holed by safe flange. The input and output pipe set pressure gauge, thermometer, quick-release coupling, drain device, safety bleeding structure and so on. The product has advantages of easy transporting, lower cost and risk, advanced design, safety and easy maintaining and so on. High pressure gas transporting semitraller technical parameter Produce typeDY9350GPQDY9340GPQDY9351GPQNominal WorkingPressure(MPa)202020Working Temperature(°C)-40 60-40 60-40 60Overall Weight(Kg)316003095031500Rated Weight (Kg)343032553255Full Weight(Kg)350303420034750Total Water Capacity(m3)191818MediumCNGCNGCNGTotal Water Capacity ofMedium(Nm3)478045404540Size of Semitraller(mm)10560×2480×340012390×2480×308012390×2480×2910GastightnessTest Pressure(MPa)202020Size of Single Cylinder(mm)Φ559×9370×16.7Φ406×10975×12Φ559×10975×16.7Quantity of Cglinders10158Safe accessoriesRupture Disk+ Fusible PlugRupture Disk+ Fusible PlugRupture Disk+ Fusible PlugInput and Output PipeInput and OutputDN1″,DEcontaminatingDN3/8″Input and OutputDN1″,DEcontaminatingDN3/8″Input and OutputDN1″,DEcontaminatingDN3/8″