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The performance of mechanical seal material is an important factor to ensure effective mechanical seal 1. It has certain mechanical properties, such as tensile strength, elongation and so on.2. Proper elasticity and hardness, small compression permanent deformation;3. High temperature and low temperature resistance, high temperature does not decompose, soften, …
2018-11-07
Investigation on development model of hydraulic seals industry in china The profit of key parts is abundant, but the construction machinery enterprises in our country can only hand over this cake because of the immature technology. Especially the lack of high-end hydraulic components of construction machinery has become a hidden d…
2018-11-01
Simple discovery and disposal of leakage between sealed end cover and pump body Generally speaking, the leakage between the axle sleeve, the seal end cover and the pump body is found and disposed of briefly, but it needs to be investigated in detail. Especially when the working medium is liquefied gas or high pressure, toxic and harmful g…
2018-10-22
General knowledge and application of mechanical seals selection Mechanical seals are one of the basic mechanical components with high precision and complex structure. They are the key components of various mechanical seals, such as pumps, reaction synthesis kettles, turbine compressors, submersible motors and so on. Its se…
2018-10-10
What are the requirements for qualified seals? Everyone knows that the main function of seals is to prevent leakage, so many people think that vacuum and no leakage are qualified seals, but as an important role of mechanical equipment, seals are only as simple as not leakage. A batch of qualified seals sho…
2018-09-25
The design of packing seal is very important for realizing oil-free lubrication. The compressor is put into operation less than 2 hours after stopping and replacing the three-stage inlet valve. There is abnormal noise in one cylinder. The main engine current rises from 135A to 140A. The noise in the cylinder tends to be louder and the vibr…
2018-09-13