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There are many materials for making seals, such as jade, metal, and wood. Among them, the jade seal is the most expensive. The jade seals in ancient Chinese history have won the love of the nobles and the cultural people. With the development of society, the jade seal is a combination of economic value and artistic value. The symbolic objects of Chinese history and culture are increasingly favored by collectors. Today we will come to understand the jade seal. The type and meaning of the jade...
/*728*90 created on 2018/5/16*/ var cpro_id = "u3440131"; Imported bearings, bearing seals, dust seals Source: China Bearing Network Time: 2013-05-08 Crown-shaped plate is <br> adhere to adhere to the bearing inner ring is depicted basis; primary molded stamping stainless steel plate. Nylon crown bearing holder is drawn according to the inner ring; made of polyamide (nylon 66). Steel plate rivet wave bearing adheres to the wave-shaped two parts fixed by rivets; bearings for...
/*728*90 created on 2018/5/16*/ var cpro_id = "u3440131"; Static seals and seals for SKF bearings Source: Bearing network time: 2018-06-19 SKF imported bearing sealing test is often the check of the assembly and operation reliability of the cylinder sealing part and its joint after assembly; like the sealing and connection of the cylinder port, the piston of the cylinder (between the rod cavity and the rodless cavity) , static seals and sealing conditions, etc.. Because the...
Comparison of mechanical seals and packing seals 1. Packing seal: The structure is simple, the price is cheap, and the maintenance is convenient, but the leakage amount is large and the power loss is large. Therefore, packing seals are used to transport general media such as water; not suitable for petroleum and chemical media, especially in expensive, explosive and toxic media. . 2 mechanical seal: The sealing is better, the leakage is small, the service life is long, but the price is...
The working principle of mechanical seals Mechanical seals, also known as face seals (Mechanicalseal), are dynamic seals for rotating shafts. The mechanical seal has reliable performance, small leakage, long service life and low power consumption. It does not require frequent maintenance and can be adapted to the automation of production processes and high temperatures, low temperatures, high pressures, vacuum, high speeds and a variety of highly corrosive media. Gear oil pumps contain hungry...
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Privacy statement: Your privacy is very important to Us. Our company promises not to disclose your personal information to any external company with out your explicit permission.