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3d之家 > Hose Quiz Platform > Hose Quiz Platform
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Hydraulic hose
Super hercules
Steel wire braided hydraulic hose
Wire wound hydraulic hose
Hydraulic oil return pipe
High-pressure resin tube
Industrial hose
UPE wear tube
Compressed air pipe
Suction and drainage hose
Steam hose
Food grade hose
Chemical hose
API series hose
Oil hose
Material conveying hose
Professional hose
Hose connector
Metric thread
American thread
Inch thread
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SAE flange
Industrial joint

Prevention of leaks at pipe joints

In the hydraulic system, whether it is a metal pipe joint or a hose joint, there is a problem that leakage is easy to occur.

1. For ferrule type pipe joints, most of the pipe is subject to large external or impact forces, which will cause the ferrule to loosen or the pipe end face to deform and cause leakage. Whether the end is intact and the compression degree of the ferrule, etc., and at the same time eliminate the external force of the pipeline.

2. For flared pipe joints, most of the flared pipe joints are leaked due to excessive flaring, substandard quality or multiple disassembly, resulting in deformation or cracking of the flared. At this time, the front end can be cut off and reflared. If the top pressure of the male and female cones is used for sealing, most of the leakage is due to the damage of the two cone surfaces, and the cone surfaces can be ground with abrasive sand. 3. In some occasions where the "о" ring is sealed against the end face or the outer diameter, the reasons for leakage are as follows: "о" ring is aging or deformed to cause leakage; "о" ring is not assembled in place, so that When the connection is flat, the “о” ring is cut to cause leakage; the “о” ring is not compacted and the elastic deformation is insufficient to cause leakage; the “о” ring's groove is too deep to cause leakage. In this regard, it is necessary to re-select the "о" ring with the same outer diameter and a thicker cross section. The sealing plane with a notch groove can also be cut or ground to reduce the depth of the notch groove and make "о" The ring has a sufficient amount of elastic deformation (the compression amount should generally be between 0.35-0.65mm).

4. For leaks at pipe joints using oil-resistant rubber sheets, wool felt, soft steel cardboard, combined gaskets or sealants, no matter what the material is, first check the seals for damage, deformation, aging and excessive roughness Wait for the situation, and then take appropriate measures.