Classification of rubber seals

V-shaped sealing ring is an axially acting elastic rubber sealing ring, which is used as a pressureless seal for the rotating shaft. The sealing lip has good mobility and adaptability, can compensate for large tolerances and angular deviations, can prevent the internal grease or oil from leaking out, and can also prevent the intrusion of external splashing water or dust. U-rings are often used in the manufacture of reciprocating seals in hydraulic systems. It is widely used in the sealing of hydraulic cylinders in construction machinery. O ring manufactures are mainly used for static seals and reciprocating seals. When used for rotary motion seals, it is limited to low-speed rotary seals. The rectangular sealing ring is generally installed in the groove with a rectangular cross-section on the outer or inner circle to play a sealing role. Y-shaped seals are widely used in reciprocating sealing devices. In addition, there is also a spring tension (spring energy storage) sealing ring, which is a spring added to the PTFE sealing material, including O-shaped spring, V-shaped spring, and U-shaped spring. YX type sealing ring for hole Use: used for sealing the piston in the reciprocating hydraulic cylinder. Scope of application: TPU: general hydraulic cylinder, general equipment hydraulic cylinder. CPU: hydraulic cylinders for construction machinery and oil cylinders for high temperature and high pressure. Material: polyurethane TPU, CPU, rubber Product hardness: HS85±2°A Working temperature: TPU: -40～+80℃CPU: -40～+120℃Working pressure:≤32Mpa working medium: hydraulic oil, emulsion YX type hole retaining ring Product use: This standard is suitable for use with YX type sealing ring when the working pressure of the oil cylinder is greater than 16MPa, or when the oil cylinder is eccentrically stressed, it plays the role of protecting the sealing ring. Work Temperature: -40～+100℃ Working medium: hydraulic oil, emulsion, aquatic product Hardness: HS92±5A material: PTFE YX type sealing ring for shaft Application: used for the sealing of the piston rod in the reciprocating hydraulic cylinder Scope of application: TPU: general hydraulic cylinder, general equipment hydraulic cylinder. CPU: hydraulic cylinders for construction machinery and oil cylinders for high temperature and high pressure. Material: Polyurethane TPU, CPU, Product Hardness: HS85±2°A Working temperature: TPU: -40～+80℃CPU: -40～+120℃Working pressure:≤32Mpa Working medium: YX type retaining ring for hydraulic oil, emulsion shaft Product use: This standard is suitable for use with YX type sealing ring when the working pressure of the oil cylinder is greater than 16MPa, or when the oil cylinder is eccentrically stressed, it plays the role of protecting the sealing ring. Work Temperature: -40～+100℃ Working medium: hydraulic oil, emulsion, aquatic product Hardness: HS92±5A Material: PTFE According to: Enterprise standard O-type rubber seals sealing ring Product use: The O-type rubber sealing ring in this standard is suitable for hydraulic and pneumatic systems and various mechanical equipment and components, under the specified pressure, temperature and different In liquid and gaseous media, it plays a sealing role in static or moving state. Working temperature: -40～+230℃ Working pressure:<10～220Kg,f/cm Working medium: air, water, oil Product hardness: 40～85±2A material: nitrile rubber, silica gel, fluorine rubber, ethylene propylene rubber. Retaining ring for O-ring seal Product use: This standard is suitable for use with O-ring when the cylinder pressure is greater than 10MPa. Working temperature: -100～200℃ Working medium: hydraulic oil, emulsion, water The exposed parts of the sports oil cylinder, the piston rod or the valve rod in the cylinder play a dustproof role. Scope of application: TPU: construction machinery, general machinery, various types of cylinder valves, etc. CPU: Construction machinery oil cylinder, oil cylinder with harsh working conditions. Material: polyurethane, nitrile rubber Working temperature: -40～120℃ Product hardness: HS80±5A according to: JB/T6657-1993 ※The sealing ring has excellent sealing performance, long working life, and the working life of dynamic pressure seal is 5 higher than that of conventional rubber sealing products—10 times, up to tens of times, and can have the same life as the sealing base under certain conditions. ※The friction resistance of the sealing ring is small, and the dynamic and static friction forces are equal.“0”1/2 of the friction force of the rubber seals ring—1/4, can eliminate low speed, low pressure movement“crawl”Phenomenon. ※The sealing ring is highly wear-resistant, and has automatic elastic compensation function after the sealing surface is worn. ※The sealing ring has good self-lubricating performance. Can be used as oil-free lubrication seal. ※The sealing ring has a simple structure and is easy to install. ※The working pressure of the sealing ring: 0-300MPa; the working speed:≤15m/s; working temperature: -55—250°C. ※Applicable medium for sealing ring: hydraulic oil, gas, water, mud, crude oil, emulsion, water-glycol, acid, alkali, chemicals, etc.
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