Others & Excess Inventory

　　Seals are essential components in machinery, serving to prevent leakage of fluids or gases. The selection of the right seal is crucial for the optimal performance and longevity of the machinery. Here are some key points to consider when selecting seals: 　　1. Operating Conditions: The temperature, speed, medium, and pressure under which the seal will operate are critical factors that determine the material and structure of the seal. These data can be obtained from the original equipment manufacturer’s specifications or evaluated based on the actual working environment. 　　2. Direction of Motion: The location of the seal and its direction of motion (whether it is a static or dynamic seal) are important considerations. If it’s a dynamic seal, you need to determine whether it involves reciprocating or rotary motion. The length of the stroke can also influence the structure of the seal. 　　3. Dimensions: Accurate dimensions are vital for ensuring a proper fit and effective sealing. It’s important to measure the inner diameter, outer diameter, and width of the seal accurately. 　　4. Material Compatibility: The seal material should be compatible with the medium it will be in contact with, such as air, water, oil, steam, or chemicals. It should also be compatible with any metal or plastic parts it will contact. 　　5. Environmental Factors: The seal should be able to withstand environmental factors such as exposure to ozone, ultraviolet light, and varying temperatures. For instance, if a seal is to be used outdoors in a cold climate, a material that remains flexible at low temperatures would be necessary. 　　6. Regulatory Compliance: If the seal is to be used in applications such as potable water systems, it must comply with relevant health and safety standards. 　　7. Cost-effectiveness: While it’s important to choose a high-quality seal that meets all technical requirements, cost-effectiveness should also be considered. This involves evaluating not just the initial cost of the seal, but also its expected lifespan and potential maintenance costs. 　　Selecting the right seal involves careful consideration of various factors including operating conditions, motion direction, dimensions, material compatibility, environmental factors, regulatory compliance, and cost- effectiveness. By taking all these factors into account, you can ensure that you choose a seal that will perform effectively and last for a long time.

Minimum Order: 100

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　　Oil seal products, often used as spare parts, require long-term storage. The physical and chemical properties of the material from which the oil seal is made may change under the influence of deformation, oxygen, ozone, light, heat, humidity, oil, or solvents, potentially leading to seal failure. Therefore, understanding the key points in storing oil seal products is crucial. 　　The ideal storage temperature for oil seal products is between 10°C and 25°C. Exposure to heat sources and direct sunlight should be avoided. If an oil seal product is taken out of a low-temperature storage state, it should be placed in an environment of 20°C for a while before use. 　　Humidity also plays a significant role in the storage of oil seal products. The relative humidity of the warehouse should not exceed 60%. Conditions that are too humid can lead to condensation and compromise the integrity of the seals. However, conditions that are too dry should also be avoided. 　　In addition to temperature and humidity, other environmental factors can affect the quality of stored oil seals. For instance, exposure to circulating air can cause rubber-made products to deteriorate. Therefore, these products should be stored in well-sealed containers. Moreover, ozone molecules are harmful to many elastomers; hence, storage rooms should avoid using equipment such as high-voltage electrical equipment, electric motors, and mechanical equipment that can generate sparks or static electricity. 　　Proper storage of oil seal products is essential for maintaining their quality and performance. By controlling the storage temperature and humidity and avoiding exposure to harmful environmental factors, the original physical and chemical properties of elastomers can be preserved, thereby ensuring the effectiveness and longevity of oil seals.

Minimum Order: 100

　　The manufacturing of high-quality oil seals is a meticulous process that requires the selection of appropriate materials. The choice of material significantly influences the performance, durability, and overall lifespan of the oil seal. This article explores some of the most commonly used materials in the production of high-quality oil seals. 　　Nitrile Rubber (NBR) 　　Nitrile Rubber, also known as NBR, is one of the most commonly used materials for oil seals. It is a synthetic rubber copolymer of acrylonitrile (ACN) and butadiene. NBR is known for its excellent resistance to petroleum oils, mineral oils, vegetable oils, and many acids. It also exhibits good abrasion resistance and tensile strength. These properties make NBR an ideal choice for applications where the oil seal is exposed to harsh conditions. However, it’s worth noting that NBR’s performance may degrade with exposure to ozone, sunlight, or weather. 　　Fluoroelastomers (FKM) 　　Fluoroelastomers, often referred to by the brand name FKM, are another popular choice for oil seals. FKM is a type of synthetic rubber known for its exceptional resistance to heat, chemicals, and oil. It can withstand temperatures up to 250°C, making it suitable for high-temperature applications. FKM also offers excellent resistance to aging and ozone. However, it’s more expensive than NBR and may not be the best choice for low- temperature applications. 　　Polyacrylate (ACM) 　　Polyacrylate, or ACM, is a class of polymers that are noted for their transparency and resistance to heat and UV radiation. ACM oil seals are particularly effective in operating environments that involve exposure to high temperatures and oils. They offer good resistance to mineral and synthetic oils and are often used in automotive applications for this reason. However, they have poor low-temperature performance and are not suitable for applications involving water or glycol-based brake fluids. 　　Silicone (VMQ) 　　Silicone oil seals (VMQ) are known for their excellent heat resistance and are capable of withstanding temperatures up to 225°C. They also have good cold flexibility and are resistant to ozone and weathering. However, they have poor tensile strength and tear resistance compared to other materials like NBR or FKM. 　　The selection of material for manufacturing high-quality oil seals depends on the specific application requirements. Factors such as operating temperature range, exposure to different types of fluids or chemicals, and mechanical stress all play a role in determining the most suitable material. By understanding these factors and the properties of different materials like NBR, FKM, ACM, and VMQ, manufacturers can produce high-quality oil seals that meet diverse application needs.

Minimum Order: 100

　　The performance and longevity of oil seals are significantly influenced by the surface roughness of the shaft with which they interact. If the shaft surface roughness is too high, exceeding Ra0.9μm, the peaks on the shaft surface will penetrate the oil film and come into contact with the seal lip, resulting in dry friction. This can lead to wear on the lip surface and an increase in oil film thickness beneath the lip, ultimately causing seal failure. 　　Conversely, if the shaft surface roughness is too low, falling below Ra0.12μm, the contact area between the seal lip and the shaft can be absorbed into the recesses on the shaft surface. This can lead to oil being squeezed out from beneath the lip, destroying the oil film and resulting in dry friction that wears down the seal lip. 　　Therefore, maintaining an optimal level of shaft surface roughness is crucial for ensuring effective sealing performance and prolonging the lifespan of oil seals. Generally, a surface roughness of Ra0.2~0.6μm is considered ideal for shafts used in conjunction with oil seals. 　　In addition to surface roughness, other factors such as shaft ovality, eccentricity, and runout also directly impact the sealing performance of oil seals. These factors should be carefully controlled during manufacturing and assembly processes to ensure optimal performance. 　　Understanding and controlling shaft surface roughness is vital for maximizing oil seal performance and longevity. By maintaining an optimal level of roughness and controlling other factors such as ovality, eccentricity, and runout, can significantly enhance the performance and lifespan of their oil seals.

Minimum Order: 100

　　Oil seals also known as rotary shaft seals, are essential components used to prevent the leakage of lubricants and fluids in rotating machinery. They are commonly used in various industries such as automotive, manufacturing, and engineering. The design and structure of oil seals can vary significantly depending on their application. One key distinction lies in the presence or absence of a spring. 　　Functionality 　　Oi , l seals with springs and without springs serve the same fundamental purpose, which is to prevent the leakage of fluids and contaminants. However, the inclusion of a spring in oil seals provides additional benefits. The spring serves as a radial load component, ensuring a constant pressure on the sealing lip against the shaft, thereby enhancing the sealing efficiency. On the other hand, oil seals without springs rely solely on the interference fit between the seal and the shaft to maintain the sealing integrity. 　　Sealing Efficiency 　　The presence of a spring in oil seals significantly improves their sealing efficiency. The spring helps to compensate for any wear or misalignment that may occur between the shaft and the seal over time. It ensures a continuous radial force against the shaft, maintaining a tight seal and preventing fluid leakage. In contrast, oil seals without springs may experience reduced sealing efficiency due to wear or misalignment, leading to potential leaks. 　　Installation and Assembly 　　Oil seals with springs are relatively easier to install and assemble compared to their counterparts without springs. The spring provides a self- adjusting feature, allowing for easier alignment and positioning during installation. The spring also helps to maintain a constant pressure on the sealing lip, ensuring a secure fit. Conversely, oil seals without springs require more precise alignment and careful installation to achieve an effective seal. 　　Applications 　　O , il seals with springs are commonly used in applications where there is a high degree of shaft misalignment or vibration. The spring compensates for any shaft movement, ensuring a constant radial force on the sealing lip. This makes them suitable for use in heavy machinery, automotive engines, and industrial equipment. Oil seals without springs, on the other hand, are used in applications where shaft misalignment and vibration are minimal, such as pumps, compressors, and light-duty machinery. 　　Longevity and Durability 　　Oil seals with springs generally have a longer lifespan and higher durability compared to those without springs. The spring helps to distribute the load evenly on the sealing lip, reducing wear and tear. It also provides additional support and stability to the seal, preventing deformation or damage. Oil seals without springs may experience faster wear and reduced durability, especially in applications with higher shaft misalignment or vibration. 　　Oil seals with springs offer improved sealing efficiency, easier installation, and better performance in applications with shaft misalignment or vibration. On the other hand, oil seals without springs are suitable for applications with minimal misalignment and vibration. Careful consideration of the specific application requirements is essential in selecting the appropriate oil seal type.

Minimum Order: 100

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　　The transmission seal is a crucial component of a vehicle's transmission system. It is responsible for keeping the transmission fluid inside and preventing any leaks. When a transmission seal goes bad, it can lead to various problems that can affect the performance and longevity of the transmission. 　　One of the most noticeable signs of a bad transmission seal is fluid leakage. As the seal deteriorates, it may develop cracks or become worn out, causing transmission fluid to escape. This can result in the fluid pooling underneath the vehicle or leaving stains on the ground. If left unaddressed, the leakage can lead to a significant loss of transmission fluid, which can cause the transmission to overheat and ultimately fail. 　　Another consequence of a bad transmission seal is a drop in transmission fluid levels. As the fluid leaks out, the transmission may not have enough fluid to properly lubricate its internal components. This can lead to increased friction and heat, causing premature wear and tear on the transmission. Over time, this can result in costly repairs or even the need for a complete transmission replacement. 　　A bad transmission seal can also allow contaminants to enter the transmission system. Dust, dirt, and other debris can find their way into the transmission, causing damage to the gears, bearings, and other vital components. The presence of contaminants can accelerate wear and increase the likelihood of transmission failure. Additionally, the transmission fluid may become contaminated, losing its ability to properly lubricate and cool the transmission. 　　In some cases, a bad transmission seal can cause shifting issues. The seal helps maintain the hydraulic pressure required for smooth and precise gear changes. When the seal fails, it can result in a loss of pressure, leading to delayed or rough shifts. The vehicle may experience slipping gears, difficulty in engaging certain gears, or even complete transmission failure. 　　Furthermore, a bad transmission seal can lead to increased fuel consumption. When the transmission is not functioning properly due to fluid leakage or contamination, it puts additional strain on the engine. The engine has to work harder to compensate for the transmission's inefficiency, resulting in decreased fuel efficiency. This can lead to higher fuel costs over time. 　　A bad transmission seal can have several negative consequences for a vehicle's transmission system. From fluid leakage and decreased fluid levels to the entry of contaminants and shifting issues, the problems can range from minor inconveniences to major failures. Regular maintenance and prompt repairs are essential to address any issues with the transmission seal and ensure the longevity and optimal performance of the transmission.

Minimum Order: 100

　　Skeleton oil seals are essential components in various industries, ensuring the efficient functioning of machinery and preventing oil leakage. With their wide range of applications, it is crucial to understand the different models available in the market. In this article, we will explore the various models of skeleton oil seals and their specific uses. 　　One of the most common models of skeleton oil seals is the TC model. TC stands for "double-lip with a spring." This model is widely used in automotive engines, gearboxes, and hydraulic systems. The double-lip design provides excellent sealing performance, preventing oil leakage even under high pressure and temperature conditions. The spring ensures a tight fit between the seal and the shaft, enhancing its sealing effectiveness. 　　Another popular model is the TB model, which stands for "single-lip with a garter spring." This model is commonly used in rotary shaft applications, such as pumps, motors, and compressors. The single-lip design simplifies installation and reduces friction, making it suitable for high-speed rotating shafts. The garter spring maintains constant radial pressure, ensuring a secure seal and preventing oil leakage. 　　For applications where space is limited, the VC model is often preferred. VC stands for "double-lip with a vulcanized casing." This model is commonly used in small engines, power tools, and household appliances. The vulcanized casing provides additional stability and protection to the seal, making it ideal for applications with limited housing space. The double-lip design ensures optimal sealing performance, even in challenging operating conditions. 　　In certain industries, such as the food and pharmaceutical sectors, where hygiene is crucial, the SC model is widely used. SC stands for "single-lip with a metal case." This model features a metal case that provides excellent resistance to chemicals, high temperatures, and aggressive media. The single- lip design simplifies installation and reduces friction, ensuring reliable sealing performance in sanitary environments. 　　Various models of skeleton oil seals cater to different industries and applications, Each model offers unique features and benefits. Understanding the specific requirements of your application is crucial in selecting the appropriate skeleton oil seal model to ensure optimal performance and prevent oil leakage.

Minimum Order: 100

　　Oil seals are crucial components used in various industries to prevent leakage of fluids and contaminants. Proper storage of oil seals is essential to maintain their quality and performance. In this article, we will explore the different storage methods for oil seals to ensure their longevity and effectiveness. 　　Firstly, it is important to store oil seals in a clean and dry environment, Storage temperatures should not exceed 30°C. Moisture and dirt can affect the integrity of the seals, leading to potential leaks. Therefore, it is recommended to store oil seals in a sealed container or packaging to protect them from external elements. Additionally, the storage area should be free from excessive humidity and temperature fluctuations, as these can also negatively impact the seals' performance. 　　Furthermore, oil seals should be stored in a horizontal position to prevent deformation. Placing them vertically or at an angle can cause distortion, which may affect their ability to provide an effective seal. It is advisable to stack the seals in a way that avoids excessive pressure or weight on individual seals, as this can also lead to deformation. 　　Another crucial aspect of oil seal storage is ensuring that they are not in contact with any chemicals or solvents. Exposure to such substances can cause deterioration of the seal material, resulting in reduced effectiveness. Therefore, it is essential to store oil seals away from any potentially harmful substances that could compromise their integrity. 　　In addition to proper storage conditions, it is advisable to rotate the stock of oil seals regularly. This practice helps prevent the seals from becoming stagnant or developing flat spots due to extended periods of inactivity. By regularly using and replenishing the stock, the seals remain in optimal condition and are less likely to experience issues when put into service. 　　When it comes to long-term storage, it is recommended to inspect the oil seals periodically. This inspection ensures that the seals are still in good condition and have not been compromised during storage. It is essential to check for any signs of damage, such as cracks, tears, or hardening of the seal material. If any issues are detected, the seals should be replaced before they are put into service. 　　Lastly, it is crucial to follow the manufacturers guidelines for storage and handling of oil seals. Different types of oil seals may have specific requirements, and it is important to adhere to these guidelines to maintain their quality and performance. Manufacturers often provide instructions regarding temperature limits, shelf life, and other storage considerations, which should be followed to ensure the longevity of the seals. 　　Proper storage of oil seals is vital to maintain their quality and effectiveness. Storing oil seals in a clean and dry environment, in a horizontal position, and away from chemicals and solvents helps prevent damage and deformation. Regularly rotating the stock and inspecting the seals ensures their readiness for use. By following the manufacturers guidelines, we can ensure the longevity and optimal performance of oil seals in various industrial applications.

Minimum Order: 100

　　When it comes to seals, two popular options are silicone seals and fluorine rubber seals. Both have their unique characteristics and advantages. In this article, we will compare the two and determine which one is better based on their properties, applications, and performance. 　　1. Properties: 　　Silicone seals are made from a synthetic rubber known as silicone. They have excellent resistance to high and low temperatures, as well as good flexibility and durability. Silicone seals also have good resistance to chemicals, UV rays, and ozone. On the other hand, fluorine rubber seals are made from a material called fluorocarbon elastomer. They have exceptional chemical resistance, especially to oils, fuels, and solvents. Fluorine rubber seals also have high thermal stability and low gas permeability. 　　2. Applications: 　　Silicone seals are commonly used in a wide range of industries, including automotive, aerospace, and industrial machinery. They are often used in sealing applications where temperature fluctuations are expected, such as engine seals and hydraulic seals. Silicone seals are also suitable for food-grade applications due to their non-toxic and odorless properties. On the other hand, fluorine rubber seals are preferred in industries where resistance to aggressive chemicals and oils is crucial, such as chemical processing, oil and gas, and automotive. They are commonly used in sealing applications that require resistance to corrosive fluids and high temperatures. 　　3. Performance: 　　In terms of performance, both silicone seals and fluorine rubber seals offer excellent sealing capabilities. However, silicone seals have an advantage when it comes to temperature resistance. They can withstand a wider range of temperatures, from extremely low to extremely high, without losing their sealing properties. Fluorine rubber seals, on the other hand, excel in chemical resistance. They can withstand exposure to oils, fuels, and solvents without deteriorating or swelling. Additionally, fluorine rubber seals have better resistance to aggressive chemicals, making them suitable for demanding sealing applications. 　　Both silicone seals and fluorine rubber seals have their own strengths and applications. If you require an oil seal with excellent resistance to high and low temperatures, good flexibility, and durability, silicone seals are the better choice. On the other hand, if you need an oil seal with exceptional chemical resistance and high thermal stability, fluorine rubber seals are the preferred option. Additionally, silicone seals are more versatile and can be used in various industries, while fluorine rubber seals are specifically designed for applications involving aggressive chemicals and oils. So, the choice between silicone seals and fluorine rubber seals depends on the specific requirements of your sealing application.

Minimum Order: 500