Polyurethane sealing ring, PU gasket, high performance gasket
Tags: polyurethane seal, polyurethane seal, polyurethane seal, PU seal, PU seal
Customized various polyurethane seal products and polyurethane non-standard parts, reliable quality, exported to the world
Polyurethane oil seals are seals made from this material. Sealing refers to a device for preventing fluid leakage caused by at least one pair of end faces perpendicular to the axis of rotation, which are held under the action of fluid pressure and compensating mechanism elastic force (or magnetic force) and the auxiliary seal.
Polyurethane oil seals are mainly used in hydraulic cylinders, which are easy to install and can scrape dust mites adhering to the piston rod. The green polyurethane seal has a slightly lower hardness, while the blue has a higher hardness and can withstand greater pressure. Polyurethane oil seal has good physical and mechanical properties, wear resistance and oil resistance. It is suitable for the most demanding working conditions and excellently prevents the entry of external impurities, thus achieving excellent sealing performance. It is the most commonly used medium and high pressure hydraulic cylinder. Seals.
The skeleton oil seal is a typical representative of the oil seal. Generally speaking, the oil seal refers to the skeleton oil seal. The function of the oil seal is generally to isolate the parts of the transmission component that need to be lubricated from the external environment, so as not to let the lubricating oil leak. The skeleton acts like a reinforcing bar inside the concrete member, which acts to strengthen and maintain the shape and tension of the oil seal. According to the structure, the single lip skeleton oil seal and the double lip skeleton oil seal can be divided. The secondary lip of the double-headed skeleton oil seal acts as a dustproof to prevent dust and impurities from entering the inside of the machine. According to the skeleton type, it can be divided into an inner skeleton oil seal, an exposed skeleton oil seal and an assembled oil seal. According to working conditions, it can be divided into rotating skeleton oil seal and reciprocating skeleton oil seal. For gasoline engine crankshafts, diesel engine crankshafts, gearboxes, differentials, shock absorbers, engines, axles, etc.
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