Seals

　　Oil seals play a crucial role in mechanical systems, effectively preventing contamination and ensuring that lubricants remain within the system. With a variety of types and materials available, selecting the appropriate oil seal for your machinery is essential for optimal performance and safety. Here are some guidelines to help you choose the best oil seal for your needs. 　　The fundamental structure of an oil seal includes a metal ring serving as the internal skeleton. The exterior can be crafted from metal or rubber materials, depending on the specific application. Springs are situated on the seal’s edge to support the seal and prevent the leakage of lubricants and other contaminants. The materials used in oil seals range from silicone and fluoroelastomer to PTFE. 　　The primary component of the oil seal is the lip, which creates a seal when pressed against the shaft’s surface. Oil seals can be equipped with or without a spring. The spring helps maintain pressure on the shaft, whereas oil seals without springs are primarily designed to keep dust out. 　　NQKSF oil seals are engineered to meet the rigorous demands of the industrial sector. They are utilized in hydraulic systems, pumps, pistons, pipelines, and various other mechanical devices. These seals are indispensable for the functioning of equipment that involves rotating parts, such as shafts and bearings. 　　Recognized for their exceptional performance across numerous applications, NQKSF oil seals offer high-quality products and comprehensive support for sealing systems. Customers can reach out to local distributors for expert guidance and assistance.

Minimum Order: 1000

　　Oil seals are critical components in mechanical systems, serving essential roles across various industries, from industrial machinery to household appliances. But what materials are oil seals made from, and what specific functions do they serve? Let’s explore. 　　Common Oil Seal Materials 　　The selection of oil seal materials depends on the operational environment and requirements. Common materials include: 　　Nitrile Rubber (NBR): Suitable for temperatures between -40°C and 125°C, offering good oil resistance and wear properties. 　　Fluororubber (FKM): Known for its high-temperature resistance, FKM works in temperatures from -20°C to 250°C, ideal for high-heat environments. 　　Silicone Rubber (VMQ): Offers a wide operating temperature range from -60°C to 225°C, excelling in low-temperature conditions. 　　Acrylic Rubber (ACM): Resists heat and oil well, functioning in temperatures from -25°C to 150°C. 　　Polyurethane (PU): Exhibits excellent wear resistance, suitable for moderate environments with temperatures between -20°C and 120°C. 　　Polytetrafluoroethylene (PTFE): Renowned for its outstanding chemical and temperature resistance, PTFE operates between -65°C and 260°C. 　　Functions of Oil Seals 　　The primary function of oil seals is to prevent the leakage of lubricating oil, ensuring efficient lubrication between mechanical parts. Additionally, they block external contaminants like dust or dirt from entering the machinery, thereby enhancing performance and extending the lifespan of the equipment. 　　Applications of Oil Seals 　　Automotive and Motorcycle Engines: Oil seals are used to seal crankshafts and camshafts, preventing oil leakage in the engine. 　　Agricultural and Construction Equipment: Oil seals play a crucial role in sealing transmission systems in machinery such as excavators and bulldozers. 　　Industrial Gearboxes: Oil seals ensure proper lubrication in gear systems, reducing wear caused by friction during operation. 　　Hydraulic Systems: Oil seals maintain the stability of hydraulic components, such as pumps and motors, by preventing hydraulic fluid leakage and ensuring optimal performance. 　　In conclusion, oil seals are indispensable in modern machinery. Their proper application not only enhances the efficiency of equipment but also extends its operational life, ensuring long-term reliability and stability.

Minimum Order: 1000

　　Fitting oil seals over shafts is a critical process in ensuring the longevity and efficiency of mechanical systems. Proper installation prevents leaks, reduces wear, and maintains the integrity of the machinery. This article explores the essential steps and considerations when fitting oil seals over shafts from multiple perspectives. 　　Preparation 　

Minimum Order: 1000

　　EC end cap seals are specialized sealing components commonly used in various industrial applications, designed to provide a secure seal at the ends of rotating shafts and cylindrical housings. They play a critical role in maintaining the integrity of mechanical systems by preventing the leakage of fluids and gases, while also protecting against the ingress of contaminants like dust and dirt. This article will explore the function, materials, applications, and advantages of EC end cap seals to offer a comprehensive understanding of their importance in modern machinery. 　　1. Function and Importance 　　The primary function of an EC end cap seal is to create a reliable seal between rotating shafts or fixed housings and their surrounding environment. By doing so, these seals ensure that vital fluids such as lubricants and coolants stay within the system while preventing external contaminants from entering and causing damage. Without proper sealing, machinery components can wear down faster due to friction and contamination, leading to operational inefficiencies and increased maintenance costs. Thus, EC end cap seals play an essential role in extending the lifespan and reliability of equipment. 　　2. Material Composition and Selection 　　EC end cap seals are typically made from materials that are highly resistant to wear, heat, and chemical exposure. Common materials used in the construction of these seals include nitrile rubber (NBR), fluorocarbon (FKM), silicone, and polytetrafluoroethylene (PTFE). Each material offers different advantages based on the operating conditions. For example, FKM seals are known for their resistance to high temperatures and harsh chemicals, while silicone seals excel in low-temperature environments where flexibility is crucial. The choice of material will depend on factors such as operating temperature, pressure, and exposure to chemicals or abrasive substances. 　　3. Applications of EC End Cap Seals 　　EC end cap seals are used in a wide range of industries, from automotive to aerospace, as well as in heavy machinery and manufacturing equipment. In the automotive sector, these seals are often found in transmission systems, wheel hubs, and gearboxes, where they help to maintain the efficiency of lubricants and prevent leaks. In industrial settings, EC end cap seals are crucial for machinery such as pumps, compressors, and motors, where they help protect sensitive components from environmental contaminants. Their ability to handle both dynamic and static sealing makes them versatile in many applications. 　　4. Advantages of EC End Cap Seals 　　The main advantage of EC end cap seals is their ability to provide long- lasting sealing performance under demanding conditions. These seals are designed to endure high levels of pressure and temperature while maintaining their integrity over time. They also offer excellent resistance to wear and chemical attack, making them ideal for applications in harsh environments. Additionally, their design allows for minimal friction during operation, which helps to reduce energy consumption and enhance the efficiency of the machinery. 　　Understanding the specific needs of a given application and selecting the right EC end cap seal can significantly improve the longevity and efficiency of industrial equipment, making them an indispensable component in modern mechanical systems.

Minimum Order: 1000

　　Skeleton oil seals essential components in various mechanical applications, serve to contain lubricants and exclude contaminants from machinery. Their effectiveness is significantly influenced by the environment in which they are stored. Understanding the requirements for the storage environment of skeleton oil seals is crucial for ensuring their longevity, performance, and reliability. 　　1. Temperature Control 　　One of the primary considerations for storing skeleton oil seals is temperature. Extreme temperatures, whether hot or cold, can degrade the materials from which these seals are made. Ideally, they should be stored in a controlled environment where temperatures range between 15°C and 25°C. Higher temperatures can cause rubber components to harden and lose their elasticity, while low temperatures can make them brittle. Maintaining a stable temperature helps preserve their structural integrity. 　　2. Humidity Levels 　　Humidity also plays a vital role in the preservation of skeleton oil seals. Excessive humidity can lead to mold growth and degradation of the sealing material, while insufficient humidity can cause drying and cracking. The relative humidity of the storage area should be monitored and maintained between 30% and 50%. Using dehumidifiers or humidifiers, as required, can help stabilize these levels. 　　3. Protection from Contaminants 　　It is essential to protect skeleton oil seals from exposure to harmful chemicals and contaminants. They should be stored in a clean, dry environment away from strong solvents, oils, and other chemicals that could compromise their integrity. Ideally, seals should be wrapped in protective material and kept in sealed containers to prevent environmental damage. 　　4. Avoiding Physical Damage 　　Physical handling and storage of skeleton oil seals are critical to their preservation. They should be laid flat and not stacked directly on top of each other to avoid deformation. The use of racks or shelves that prevent excessive pressure and allow for easy access is recommended. Furthermore, it’s essential to handle them with clean, dry hands or gloves to prevent transfer of oils and dirt. 　　5. Periodic Inspection 　　Regularly inspecting the storage environment and the seals themselves ensures any potential issues can be addressed promptly. Noticing signs of swelling, discoloration, or cracks can help prevent the use of compromised seals, which could lead to equipment failure. Setting a schedule for inspection helps maintain both the seals and the overall storage conditions. 　　Adherence to these environmental requirements for skeleton oil seals not only extends their lifespan but also ensures optimal performance when installed in machinery. As industries continue to innovate and evolve, understanding the science behind material preservation will play an increasingly crucial role in achieving operational excellence. Thus, investing in appropriate storage solutions could be a key differentiator, impacting productivity and cost- effectiveness.

Minimum Order: 1000

　　Oil seals play a critical role in the functioning and longevity of mechanical equipment. These seals, typically made from rubber or elastomeric materials, are designed to keep lubricants contained and prevent dirt, dust, or moisture from entering machinery compartments. While they may seem like simple components, their importance cannot be overstated. 　　1. Preventing Lubricant Leakage 　　One of the primary functions of oil seals is to prevent the leakage of lubricants. In any mechanical system, lubricants are essential for reducing friction between moving parts, thereby minimizing wear and tear. A well- functioning oil seal ensures that these lubricants remain where they are needed, avoiding costly spills and maintaining optimal operating conditions. Without effective sealing, lubricants can escape, leading to insufficient lubrication, increased friction, overheating, and ultimately, mechanical failure. 　　2. Shielding Against Contaminants 　　Alongside retaining lubricants, oil seals serve as barriers against contaminants such as dirt, dust, and moisture. Contamination can severely damage components within machinery, leading to decreased efficiency and potential breakdowns. For instance, in automotive applications, dirt and moisture can infiltrate critical areas, causing corrosion and severe wear on bearings and other vital parts. A robust oil seal protects these components, ensuring a longer operational life and reliability of the machinery. 　　3. Enhancing Efficiency and Performance 　　Well-designed oil seals contribute to the overall efficiency and performance of mechanical equipment. They maintain the correct levels of lubrication and protect against contaminants, which can enhance the overall effectiveness of the machinery. By facilitating smoother operation, oil seals help reduce energy consumption, thereby contributing to cost savings for industrial operators. For instance, in processing plants, efficient seal performance can lead to significant reductions in operational costs and downtime, improving productivity. 　　4. Varieties of Oil Seals 　　Oil seals come in various types and materials, each suited for specific applications. Common types include lip seals, rotary seals, and radial seals, with materials ranging from rubber to more sophisticated thermoplastics. Each design serves different needs; for example, lip seals are ideal for applications involving rotating shafts, while static seals may be employed in non-moving joints. This variety ensures that mechanical engineers can choose the most suitable seal for their specific operational contexts, further enhancing the effectiveness and durability of their equipment. 　　Oil seals are not merely accessories in mechanical equipment; they are vital components that support operational efficiency, protect against contamination, and prevent lubricant loss. As technology evolves, so too do the designs and materials used in oil seals, making them more effective than ever. As engineers and manufacturers continue to prioritize the importance of these seals, understanding their critical role will ensure the reliability and longevity of machinery across various industries.

Minimum Order: 500

Hengshui Jiuyan Sealing Technology Co., Ltd. is a company dedicated to the research and development, production, and sales of special rubber sealing products. The company's products mainly include O-rings, rubber gaskets, valve seals, rubber inflatable seals, and various rubber miscellaneous parts. Jiuyan Sealing is based in China and its products are sold worldwide. Overseas markets include European and American markets such as the United States, Canada, the United Kingdom, France, Italy, as well as Southeast Asian markets such as Thailand, Vietnam, and Myanmar. The products are applied in fields such as mechanical seals, chemicals, steel, electricity, oil fields, new energy, and electromagnetic shielding.

Minimum Order: 100

　　Crankshaft oil seals are an essential component of an engine. They are located at the front and rear of the crankshaft and are responsible for preventing oil leaks. In this article, we will discuss the importance of crankshaft oil seals, their applications, and some of the challenges associated with their use. 　　Crankshaft oil seals are crucial in preventing oil leaks. They are designed to prevent oil from escaping from the engine and entering the transmission or the environment. Oil leaks can cause damage to the engine, transmission, and other components, leading to costly repairs. Crankshaft oil seals ensure that oil is contained within the engine, keeping it running smoothly and efficiently. 　　Crankshaft oil seals are used in a wide range of applications. They are used in automotive engines, industrial machines, and marine engines. In automotive engines, crankshaft oil seals are used to prevent oil leaks from the front and rear of the engine. In industrial machines, crankshaft oil seals are used in heavy-duty applications to prevent oil leaks from the crankshaft. In marine engines, crankshaft oil seals are used to prevent seawater from entering the engine and causing damage. 　　However, there are also challenges associated with the use of crankshaft oil seals. One of the main challenges is that they can fail if they are not installed or maintained properly. For example, if a crankshaft oil seal is not installed correctly, it can be damaged during operation, leading to oil leaks. Additionally, crankshaft oil seals can be affected by temperature and pressure changes, which can cause them to expand or contract and lose their sealing properties. 　　Crankshaft oil seals are an essential component of an engine. They prevent oil leaks, ensuring that the engine runs smoothly and efficiently. They are used in a wide range of applications, including automotive engines, industrial machines, and marine engines. However, they also present challenges related to their installation and maintenance. It is important to choose the right size and material for the application and to ensure that the crankshaft oil seal is installed and maintained properly to prevent leaks and ensure the longevity of the engine.

Minimum Order: 100

O-ring is suitable for installation on all kinds of mechanical equipment, in the specified temperature, pressure, and different liquid and gas media, in the state of static or moving sealing. In machine tools, ships, automobiles, aerospace equipment, metallurgical machinery, chemical machinery, engineering machinery, construction machinery, mining machinery, petroleum machinery, plastic machinery, agricultural machinery, and all kinds of instruments and meters, a large number of applications of various types of sealing components. We have more than 9000 molds, with a senior R & D team and professional production machinery, you can send your product 3D drawings, we can design your own mold for you in order to later mass production. If the product you need is a specification product and we have the existing mold, we will provide you with the best quality purchase plan

PVC PP PVDF Diaphragm Seal For Pressure Gauge are designed to protect and isolate pressure gauges and expensive instrumentation from corrosive, high temperature, or viscous, process media. PP PVDF PVC Diaphragm Seal Features • Transfers process pressure accurately without direct contact with process fluids • Removes the need for expensive instrumentation • Easily installed and available in three chemically resistant Materials of Construction • Optional Diaphragm Materials • Available with ¼” & ½” Bottom Connection Sizes in FNPT & BSPT Female Connection Types • Thermoplastic Units Rated to 240 PSIG (16 BARG) @ 21°C (70°F) • 316L S/S Units Rated to 5800 PSIG (400 BARG) @ 21°C (70°F)

Minimum Order: 20 square metres

The cemented carbide seal ring is made of tungsten carbide powder as the raw material, cobalt powder or nickel powder as the binder, pressed by a certain mold, sintered in a vacuum furnace or hydrogen reduction furnace, and made of high strength and high hardness cemented carbide material, which is not deformed and more compressive. As the most widely used mechanical seal products, cemented carbide seal ring has the characteristics of high hardness, wear resistance, corrosion resistance and so on.

Minimum Order: 10 long tons

Cemented carbide valve ball or cemented carbide ball valve is evolved from the traditional plug valve. Its opening and closing parts are a ball, and the purpose of opening and closing is realized by the ball around the axis of the valve rod. The hard alloy valve seat is used in various specifications and configurations, and can be used under wearing, corrosive and corrosive conditions. Alloy valve seat is matched with alloy ball.

Minimum Order: 10 long tons

1. Product description The profile KDAS double-acting piston sealing set consists of an elastomer sealing com ponent, two anti-extrusion and two angular guide rings. It is suitable for petroleum-based hydraulic oil, flame-retardant hydraulic oil, environmental safety hydraulic (biological oil), water and others, depending on the sealing material. 2. Application range Material: PU,NBR,NBR 3. Range of application Sealing set for double-acting pistons in presses, drive cylinders, back-up and operat- ing cylinders for industrial and mobile hydraulics. Operating pressure ≤400 bar Operating temperature -35°℃ to +100℃ in HFA, HFB and HFC fluids +60°℃ Sliding speed ≤0.5 m/s Rubber component: Highly wear-resistant NBR-compound NB078 with a hardness of 80 Shore A. Anti-extrusion rings:High-strength, wear-optimized polyester elastomer (W5035). Angular guide rings: Thermoplast for high pressure resistance even with increased temperatures(W5301). 4. Size Chart Size ΦD Φd Φd1 Φd2 L L1 50*34*31.1 50 34 45.4 48.5 18.4 6.35 55*39*31.1 55 39 50.4 53.5 18.4 6.35 60*44*31.1 60 44 55.4 58.5 18.4 6.35 63*47*31.1 63 47 59 61.5 18.4 6.35 70*50*35.1 70 50 64.2 68.3 22.4 6.35 75*55*35.1 75 55 69.2 73.3 22.4 6.35 80*60*35.1 80 60 74.15 78.3 22.4 6.35 80*62*29.7 80 62 76 79 22.5 3.6 90*70*35.1 90 70 84.15 88.3 22.4 6.35 95*75*35.1 95 75 89.15 93.3 22.4 6.35 100*75*35.1 100 75 93.15 96 22.4 6.35 110*85*35.1 110 85 103.1 108 22.4 6.35 120*95*35.1 120 95 113.1 118.1 22.4 6.35 125*100*38.1 125 100 118.1 123 25.4 6.35 140*115*44.4 140 115 132.6 137.5 25.4 9.5 140*115/1*38.1 140 115 133 138 25.4 6.35 160*130*38.1 160 130 153 157.5 25.4 6.35 160*135*44.4 160 135 152.6 157.5 25.4 9.5 170*145*50.8 170 145 161.7 167.1 25.4 12.7 180*155*50.8 180 155 171.7 177.1 25.4 12.7 The above models are only some products. If you need other models, please contact customer service 5. Product section view ZW KDAS Loader Crane Obstacle Remover Piston Oil Seal NBR PU POM 0 6. Factory and packaging ZW KDAS Loader Crane Obstacle Remover Piston Oil Seal NBR PU POM 1ZW KDAS Loader Crane Obstacle Remover Piston Oil Seal NBR PU POM 2

The cemented carbide seal ring is made of tungsten carbide powder as the raw material, cobalt powder or nickel powder as the binder, pressed by a certain mold, sintered in a vacuum furnace or hydrogen reduction furnace, and made of high strength and high hardness cemented carbide material, which is not deformed and more compressive. As the most widely used mechanical seal products, cemented carbide seal ring has the characteristics of high hardness, wear resistance, corrosion resistance and so on.

Minimum Order: 10 long tons