As shown in the diagram, the hydraulic hose assembly is formed by crimping the hose, Fitting 1, Fitting 2, and the sleeve together. Fitting 1 and Fitting 2 can be either the same or different; they can be straight-core or bent-core, and the spring sheath is optional.
When both end fittings of the assembly are elbow fittings, there is an angular relationship between the two elbow fittings during assembly. For measurement, straighten the hose assembly and look along the straight line direction. Position elbow fitting 1 vertically upward, then measure the included angle clockwise between elbow fitting 2 and the vertically placed elbow fitting 1; this is the assembly angle of the hose assembly, denoted by V. As shown in the diagram, for example, when the assembly angle a is 225°, it is marked as V225.
When installing and arranging rigid pipe lines, the following points should be noted:
The pipe length should be short and the diameter should be appropriate, as excessively high flow velocity will cause energy loss.
For the connection between two fixed points, tight pulling should be avoided, and a loose bend section is required, as shown in Figure 1. This facilitates assembly and disassembly, and also prevents severe tensile stress caused by thermal expansion and contraction.
