The size of the inner diameter of the rubber tube will directly affect the flow rate and pressure transmission of the rubber tube. Therefore, for the diameter of the rubber tube, it is best to choose a large size rather than a small one. If the inner diameter of the rubber tube is too small, it will reduce the flow rate of the hydraulic oil in the system, causing the temperature of the hydraulic oil to rise, increase the internal consumption of the rubber tube, and reduce the operating efficiency of the hydraulic system.
The working pressure of the rubber pipe cannot exceed the burst pressure. Generally, the burst pressure of the rubber tube is 4 times the working pressure. When selecting a rubber tube, select the model corresponding to the working pressure to ensure that the pulse pressure of the rubber tube cannot exceed 1/2 of the burst pressure of the rubber tube. For rubber hoses with very frequent pulses, special rubber hoses with pulses must be selected.
Testing of pressure resistance. Carry out a pressure test on the high pressure rubber tubing to check whether the pressure resistance of the rubber tube is qualified, whether the tube body is leaking, whether the parts are damaged, and other abnormal conditions. Only in this way can it be determined whether the safety of the hose is good.
There is also air tightness testing. The air tightness of the rubber tube is tested by using dry and clean air or nitrogen or other protective gas as the detection medium to detect whether there is air leakage in the rubber tube. Check that the quality of the rubber tube is uniform and there are no irregularities such as glue adhesion.
