Pipeline velocity measurement tube and pipeline velocity measurement tube subassembly and pipeline system of testing speed

The utility model relates to a pipeline velocity measurement tube and pipeline velocity measurement tube subassembly and pipeline system of testing speed, pipeline velocity measurement tube includes that the interior sleeve pipe made by the metal material and cover locate the outer tube of being made by wear -resistant material of endotheca outside of tubes, interior sheathed tube one end is provided with to get presses the mouth, the workable shaping of interior sleeve pipe of metal material, be convenient for and other spare part valve for example, metal pipe fittings's connection, also be convenient for make the structure of complicacy, abrasion -resistant material's outer tube can be in the basic function who guarantees velocity measurement tube, can increase substantially its anti dust abrasion performance. 本实用新型涉及种管道测速管及管道测速管组件和管道测速系统，管道测速管包括由金属材质制成的内套管和套设于内套管外的由耐磨材料制成的外套管，内套管的端设置有取压口，金属材质的内套管易加工成型，便于与其他零部件例如阀门、金属管件的连接，也便于制作成复杂的结构，耐磨材质的外套管可以在保证测速管的基础功能的同时，可以大幅度提高其抗粉尘冲刷磨损性能。