Hydraulic quick joints prevent the addition of sealants and other fillers. In order to obtain a better sealing effect, some people apply sealant on the ferrule. As a result, the sealant is flushed into the hydraulic system, resulting in problems such as infarction of the hydraulic components.
When the
hydraulic quick joint is connected to the pipeline, the pipe should have enough deformation allowance to prevent the pipe from being stretched.
When the hydraulic quick joint is connected to the pipeline, it should be prevented from being subjected to lateral force. If the lateral force is too large, the sealing will not be tight.
When the hydraulic quick joint is connected to the pipeline, it should be good at one time to prevent repeated disassembly, otherwise the sealing performance will be deteriorated. Compression Tube Fittings
(1) The pipes that need to be pickled should be pickled first;
(2) Use sawing machines or special pipe cutting machines to cut off the pipes, and absolutely do not allow cutting (such as flame cutting) or grinding wheels; remove the inner and outer burrs, metal chips and dirt on the pipe ends; remove the rust inhibitor and dirt on the pipe joints ; At the same time, ensure the roundness of the tube;
(3) Put the nut and the ferrule into the pipe successively, the cutting edge of the front end of the ferrule (small diameter end) is at least 3mm away from the pipe mouth, and then insert the pipe into the taper hole in the joint body until it reaches it;
(4) Gradually tighten the nut, while turning the pipe until it does not move, then tighten the nut 2/3 to 4/3 turns;
(5) Disassemble and check whether the ferrule has been cut into the pipe and whether the position is correct. The ferrule is not allowed to move axially, but can be rotated slightly;
(6) Re-tighten the nut after passing the inspection.
