Material of comparison of hydraulic bollard and peers
Material of comparison of hydraulic bollard and peers
| 2 | Material | ||
| 3 | Appearance | overall blue baking paint | block color |
| 4 | Outer cylinder material | Outer diameter 325mm ;thickness 3mm; The round pipe is cut out, the overall weld seam is beautiful, firm and strong | 2mm thickness The cold plate is rolled and then welded. The weld is not fully welded, and the weld gap is large and not firm. |
| 5 | External cylinder reinforcement | The outer cylinder is equipped with 4 reinforcing ribs to enhance the anti-collision strength of the outer cylinder | No ribs |
| 6 | Upper anti-collision panel | The upper panel has three layers of 26mm thick steel plate, including outer cylinder flange, inner cylinder upper flange, outer cylinder anti-collision flange, strong anti-collision force, | The upper panel has two layers, the thickness is 12mm-16mm, and the maximum is 18mm |
| 7 | Outer cylinder storage box | The external storage box is convenient for installation and maintenance. The column can be taken out directly for later maintenance without damaging any wires. | The box without cable storage is inconvenient for installation and maintenance |
| 8 | Inner tube | The inner tube material is SUS304 stainless steel, the inner tube has a wall thickness of 6mm on one side, and the actual foot thickness is more than 5.95mm | Some businesses will use materials with a wall thickness of 3mm on one side and 6mm on both sides as a 6mm column; |
| 9 | Inner and outer length of inner cylinder | The extension height of the inner cylinder is 600mm, and the height of the bottom is 100mm | The extension height of the inner cylinder is 600mm, and the bottom height is 50---100mm. |
| 10 | Protective steel ring | Stainless steel material, after installation, will not change color for a long time | Iron paint, the paint will be worn off after a car passes by, and it will rust |
| 11 | Outer cylinder drain hole | The bottom of the outer cylinder is equipped with drainage holes, which is convenient to connect to the submersible pump. The bottom plate of the outer cylinder has round holes for natural drainage | No natural drainage holes at the bottom |
