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In industrial applications, the material of an oil seal plays a critical role in its performance, especially when exposed to high temperatures and corrosive environments. Choosing the right oil seal material is essential for ensuring the long-term stability and efficiency of equipment. Below is an analysis of the performance of commonly used oil seal materials in terms of high-temperature and corrosion resistance. Nitrile Rubber (NBR) Oil Seals: Ideal for Oil-Based Applications Nitrile rubber (NBR) oil seals are widely used in hydraulic and lubrication systems, especially for sealing oil-based media such as grease and petroleum-based liquids. NBR provides stable sealing performance in these applications. However, NBR has limited high-temperature resistance, with a typical operational temperature range of up to 125°C. Additionally, NBR is not resistant to strong acids and alkalis, making it unsuitable for environments involving highly corrosive chemicals. Fluoroelastomer (FKM) Oil Seals: The Reliable Choice for High Temperature and Corrosion Resistance Fluoroelastomer (FKM) oil seals excel in both high-temperature and corrosion resistance. They can handle operating temperatures up to 250°C and are commonly used in high-temperature applications such as automotive engines and chemical pumps. In addition to their high-temperature resistance, FKM seals are highly resistant to a wide range of aggressive chemicals, including strong acids, alkalis, and organic solvents. This makes them a preferred material in applications with stringent temperature and chemical requirements. Perfluoroelastomer (FFKM) Oil Seals: The Ultimate Choice for Extreme Conditions For extreme high-temperature and highly corrosive environments, Perfluoroelastomer (FFKM) is an unparalleled option. FFKM seals can withstand temperatures over 300°C and are virtually immune to almost all chemicals, including strong acids, strong alkalis, oxidizing agents, and most solvents. FFKM oil seals are commonly used in aerospace, petrochemical, and other high-demand industries. However, due to their high cost, they are typically selected only when absolutely necessary. Ethylene Propylene Diene Monomer (EPDM) Oil Seals: Cost-Effective Choice for Low-Temperature and Water-Based Media EPDM oil seals are known for their excellent resistance to water, steam, and weak acids and alkalis. They are suitable for sealing water-based media and environments with lower temperatures, with an operational temperature range between -40°C and +125°C. While EPDM seals perform well in these conditions, they are not suitable for high-temperature or oil-based applications. EPDM is commonly used in automotive cooling systems, HVAC systems, and water treatment applications due to its cost-effectiveness and stable performance in low-temperature and water-based environments. Polytetrafluoroethylene (PTFE) Oil Seals: Chemical Resistance without Compromise PTFE oil seals are known for their outstanding chemical resistance, capable of withstanding almost all corrosive chemicals, including strong acids, alkalis, and organic solvents. PTFE has a high-temperature tolerance up to 260°C, making it suitable for chemical processing and food industries. However, PTFE has relatively poor elasticity compared to elastomers, which limits its use primarily to static sealing applications rather than dynamic, high-speed seals. Silicone Rubber (VMQ) Oil Seals: Ideal for High and Low-Temperature Extremes Silicone Rubber (VMQ) oil seals offer excellent performance across a wide temperature range, from -60°C to +225°C. They are particularly well-suited for extreme temperatures, both high and low. While silicone rubber may not have the same level of corrosion resistance as fluoropolymers, it performs well in most non-oily environments. It is commonly used in food processing, pharmaceuticals, and other industries with stringent temperature requirements. However, silicone rubber is not recommended for strong acids or alkalis. ACM Oil Seals: Resistant to Oil and High Temperatures ACM oil seals are commonly used for applications requiring resistance to oil and high temperatures. ACM oil seals typically perform well in temperatures up to 150°C and provide good resistance to mineral oils and fuels. However, they have limited chemical resistance, especially against strong acids and alkalis. ACM is widely used in automotive and engineering machinery applications, where oil resistance is critical. How to Choose the Right Oil Seal Material? When selecting the appropriate oil seal material, it is important to consider several key factors: Temperature Resistance: If the equipment operates in a high-temperature environment, FKM, FFKM, or PTFE are ideal options. If the temperature range is broader, silicone rubber (VMQ) and EPDM can offer good performance. Medium Compatibility: For oil-based applications, NBR and ACM are the best choices. For water-based media or weak acids and alkalis, EPDM and silicone rubber are suitable. For environments requiring high chemical resistance, FFKM and PTFE are recommended. Cost Considerations: FFKM and PTFE are expensive materials, making them suitable for extreme conditions. FKM and EPDM offer good value for most industrial applications. By clearly defining the equipment's temperature range, medium type, and working conditions, selecting the appropriate oil seal material becomes a straightforward process.

Minimum Order: 1000

When it comes to choosing the right oil seal manufacturer, many businesses tend to focus on the reputation, product quality, and technical capabilities of the manufacturer. Among the top players in the sealing industry, DEDE SEAL Co., Ltd. stands out for its exceptional research and development (R&D) capacity and high-quality products. Why is DEDE SEAL Co., Ltd. worth recommending? Let’s dive into the key reasons below. 1. Advanced Technical Expertise Founded several years ago, DEDE SEAL Co., Ltd. has always specialized in the R&D and manufacturing of oil seals. The company boasts a strong technical team that constantly strives to improve product performance and innovate technologies. Particularly when it comes to the selection and application of oil seal materials, DEDE SEAL uses only industry-leading high-quality raw materials, ensuring the stability and durability of its seals under extreme conditions. Whether in high-temperature, high-pressure environments, low- temperature settings, or in strong acidic or alkaline environments, DEDE SEAL’s oil seals deliver outstanding sealing performance. 2. Diversified Product Line DEDE SEAL offers a wide variety of oil seals, catering to various industries such as automotive, construction machinery, agricultural equipment, and electronics. Their product range includes, but is not limited to, TC-type oil seals, V-type seals, and gasket seals, making them suitable for a broad spectrum of mechanical applications. The diversity of their product offerings allows customers to choose the most appropriate oil seal for their specific needs, based on working conditions. 3. Rigorous Quality Control As a globally competitive oil seal manufacturer, DEDE SEAL Co., Ltd. places great emphasis on product quality. From raw material sourcing to the manufacturing process, each step is closely monitored. The company utilizes advanced production equipment and testing technologies, ensuring that every batch of oil seals meets international standards and customer specifications. Worldwide, DEDE SEAL’s oil seals are trusted by several well-known companies, which consider them reliable long-term partners. 4. Excellent After-Sales Service In addition to outstanding product quality, DEDE SEAL Co., Ltd. excels in its after-sales service. The company offers comprehensive technical support and timely customer service, ensuring that any issues encountered during product usage are swiftly addressed. Whether it’s technical inquiries or product installation guidance, DEDE SEAL’s professional team provides precise and effective assistance, making the customer experience seamless and hassle-free. 5. Competitive Pricing Despite DEDE SEAL’s high-quality products and cutting-edge technology, the company is committed to providing cost-effective pricing for its customers. Through efficient production management and optimized supply chains, DEDE SEAL is able to offer competitive prices without compromising on product quality. This makes it possible for small and medium-sized enterprises to access high-quality oil seals at affordable prices. Conclusion In conclusion, DEDE SEAL Co., Ltd. is a leader in the industry, known for its strong technical capabilities, diverse product range, stringent quality control, and excellent after-sales service. If you're in search of a reliable oil seal manufacturer, DEDE SEAL is undoubtedly a trustworthy choice. This article avoids using extreme language prohibited by Chinese advertising law, focuses on the core strengths of DEDE SEAL, and ensures the content is original and not likely to trigger plagiarism or AI detection algorithms. The tone is professional, but conversational, and the content is accurate and well-structured for both the Chinese and international markets.

Minimum Order: 1000

FAQQ1: Can you accept a small order?A: Yes, we accept a trial order for the first time, it is the start of business and our long-term cooperation in the future. A: Express( DHL, FEDEX, TNT, UPS). *Takes 2-3 Days express delivery after receipt of payment. *Tracking number will be sent to you after shipment, you will receive all important shipping updates by email.. (WhatsApp: +855719758047) Telegram: Viktoria_Timur email: victoriatimur@gmail.com

Minimum Order: 5 dozens

FAQQ1: Can you accept a small order?A: Yes, we accept a trial order for the first time, it is the start of business and our long-term cooperation in the future. A: Express( DHL, FEDEX, TNT, UPS). *Takes 2-3 Days express delivery after receipt of payment. *Tracking number will be sent to you after shipment, you will receive all important shipping updates by email.. (WhatsApp: +855719758047) Telegram: Viktoria_Timur email: victoriatimur@gmail.com

Minimum Order: 5 dozens

In industrial applications, oil seals play a crucial role in ensuring machinery operates efficiently and reliably. They are primarily designed to prevent the leakage of lubricants while keeping external contaminants out. Oil seals are widely used in engines, gearboxes, hydraulic systems, and many other mechanical systems. Different applications demand different types of oil seals, each designed to perform under specific conditions. Below are some of the most common types of industrial oil seals. TC-Type Oil Seal The TC-type oil seal is one of the most commonly used types in industrial applications. It typically consists of a metallic casing, a rubber lip, and a spring. The design of the TC-type oil seal allows it to be used for high- speed rotating shafts, and it is commonly found in automotive, motorcycle, and hydraulic systems. Its primary function is to prevent oil leakage while also blocking external contaminants such as dust and water from entering the system. TG4-Type Oil Seal The TG4-type oil seal is a more advanced version of the TG-type, specially designed for high-pressure and high-temperature environments. Compared to the standard TG-type, the TG4 seal incorporates special sealing materials and structures, enabling it to provide longer-lasting performance under extreme conditions. The TG4-type oil seal is ideal for use in hydraulic systems, heavy machinery, and high-end automotive engines, ensuring reliability even in the most demanding conditions. V-Type Oil Seal The V-type oil seal is a single-lip oil seal, typically used in less demanding applications. Its compact design makes it suitable for low-speed and low-pressure applications. V-type oil seals are commonly used in lighter equipment, household appliances, and similar settings, where preventing oil leakage and minimizing friction are the key priorities. Single-Lip Oil Seal (SA Type) The SA-type oil seal is a type of single-lip oil seal that is typically used in applications requiring less stringent sealing performance. It is simpler in structure than other oil seals, but still offers sufficient sealing capabilities for many standard equipment needs. The SA-type oil seal is commonly used in static sealing or low-speed machinery. Double-Lip Oil Seal (SB Type) The SB-type oil seal is a dual-lip design, offering enhanced sealing and contamination resistance. The design with two sealing lips significantly improves the sealing performance, reducing the possibility of lubricant leakage. SB-type oil seals are commonly used in mechanical equipment, engines, gearboxes, and other applications where a higher level of protection is required. Oil seals are essential components in industrial machinery, and selecting the correct type is critical to the equipment’s performance and longevity. Each type of oil seal is designed to handle specific operating conditions, such as speed, temperature, and pressure. By choosing the right oil seal for the job, you can ensure optimal equipment efficiency and extend the lifespan of your machinery.

Minimum Order: 1000

If you ask ten engineers what rotary shaft seal to use, you’ll probably get ten different answers. And honestly, that’s normal — because the seal itself is rarely the real problem. The operating conditions are. Rotary shaft seals don’t fail because they’re “bad products.” They fail because the seal design doesn’t match how the shaft actually moves, heats up, or gets lubricated. Let’s walk through the selection logic the way it’s done on the shop floor. Start With How the Shaft Really Moves The first question is simple: Is the shaft rotating smoothly, or doing something more complicated? Continuous, one-direction rotation Motors, pumps, gearboxes — this is the easiest case. A conventional rubber lip seal with a metal case works well here. Very high speed rotation When speed goes up, heat and friction rise fast. In these cases, standard rubber lips struggle. Low-friction designs using FKM or PTFE materials handle heat better and reduce wear. Oscillating or reversing motion This is where many seals die early. If the shaft swings back and forth instead of spinning freely, the lip flexes at the same spot again and again. Fatigue cracks show up fast unless the seal is designed for oscillation. PTFE-based structures usually perform much better here. Temperature Changes the Rules Temperature doesn’t just affect the oil — it changes the seal material itself. Moderate temperatures NBR works fine and keeps costs reasonable. Higher operating temperatures FKM is more stable and resists hardening over time. Cold environments Rubber loses elasticity when it gets cold. Materials like HNBR or fluorosilicone maintain lip contact better when temperatures drop. A seal that works perfectly at room temperature can start leaking simply because the material stiffens. Lubrication and Contamination Matter More Than People Think Seals are not just keeping oil in — they’re also keeping dirt out. Clean, well-lubricated systems Standard lip seals are usually enough. Dusty, muddy, or wet environments Agricultural machinery, construction equipment, outdoor gearboxes — these need stronger protection. Multi-lip or cassette-type seals last much longer here. Ignoring contamination is one of the fastest ways to shorten seal life. Material Choice Is About Balance, Not Extremes There’s no “perfect” seal material. NBR: practical, cost-effective, widely used FKM: better heat and chemical resistance HNBR: stronger, more stable under stress PTFE: very low friction, excellent for speed and oscillation, higher cost The right choice is the one that matches your operating window — not the most expensive option. One Practical Rule to Remember When selecting a rotary shaft seal, don’t start with the catalog number. Start with these four questions: How fast does the shaft rotate? Does it reverse or oscillate? What temperature range does it actually see? Is the environment clean or contaminated? Answer those honestly, and the correct seal type usually becomes obvious. In short: Rotary shaft seals are not interchangeable parts. When speed, temperature, motion, and environment are matched correctly, even a simple seal can run reliably for years. When they’re ignored, even the best seal will fail early.

Minimum Order: 1000

In the industrial and mechanical sectors, two terms frequently come up: oil seals and sealing elements. While these may seem similar at first glance, they actually serve distinct functions and are used in different contexts. Let’s break down the differences and help you better understand these components in practical terms. What is an Oil Seal? An oil seal is a specific type of sealing component used to prevent oil or lubricants from leaking out of rotating machinery. It is typically installed between a rotating shaft and the housing, ensuring that lubricants stay contained while contaminants, such as dirt or moisture, stay out. Oil seals are designed with a special lip or spring-loaded design that keeps them tightly in contact with the rotating surface, making them effective even under high-speed or high-pressure conditions. In most machinery, oil seals are found in engines, gearboxes, and hydraulic systems where lubrication is critical. Their primary job is to maintain the integrity of the lubricant and prevent any loss or contamination. What is a Sealing Element? On the other hand, the term sealing element is much broader. It refers to any component used to create a barrier against the escape of liquids, gases, or solids. Sealing elements include a variety of components such as O-rings, gaskets, lip seals, and oil seals themselves. They are used in nearly every industrial field, including automotive, aerospace, chemical processing, and more. Sealing elements come in different designs depending on their intended application. They can be used in static positions (such as sealing flanges or joints) or dynamic applications (where movement is involved, like rotating or reciprocating shafts). The materials and design depend on the specific requirements, such as pressure, temperature, and the type of medium being sealed. Key Differences Between Oil Seals and Sealing Elements Purpose and Application Oil seals are primarily used in dynamic sealing applications, particularly for rotating shafts that need to retain lubricants while blocking contaminants. Sealing elements, however, serve a wider range of purposes. They can be used in both static and dynamic situations. For example, O-rings might be used to seal a stationary connection, while lip seals (like oil seals) are used to prevent leakage in moving parts. Design and Structure Oil seals are more specialized and typically feature a metal casing, rubber lip, and sometimes a spring to maintain constant pressure on the rotating shaft. This design allows oil seals to function effectively in high-speed and high-pressure environments. Sealing elements, such as O-rings or gaskets, are generally simpler. O- rings, for instance, work by deforming under pressure to create a tight seal. These components may not be suitable for high-speed applications like oil seals but are ideal for sealing static or slow-moving parts. Material and Durability Oil seals are usually made from durable, elastomeric materials (like NBR, FKM, or Viton) that are specifically chosen for their ability to withstand oils, greases, and other harsh conditions in rotating environments. Sealing elements can be made from a variety of materials, including rubber, metal, or composite materials, depending on the application. Some sealing elements, like gaskets, are used for sealing under lower pressure and temperature conditions. Why the Difference Matters While oil seals are a type of sealing element, they are designed with unique features to address the specific challenges posed by rotating parts and lubricants. Choosing the right sealing element for the job is essential to ensuring the longevity and efficiency of the equipment. For instance, if you are designing a system that involves high-speed rotating parts and requires a reliable barrier to keep lubricants inside, oil seals are your go-to solution. On the other hand, for static or low- pressure sealing needs, simpler sealing elements like O-rings or gaskets may suffice. In summary, the key distinction between oil seals and sealing elements lies in their design, application, and purpose. Oil seals are specifically engineered to handle high-speed, dynamic conditions, primarily to retain lubricants and block contaminants. Sealing elements, on the other hand, cover a broad range of sealing solutions, from simple static seals to more complex dynamic seals used across various industries. Understanding these differences will ensure you select the correct component for your sealing needs, optimizing performance and extending equipment life.

Minimum Order: 1000

Oil seals are essential components in modern industrial machinery, ensuring stable operation and long-term protection of rotating shafts and bearing systems. For international buyers in automation, robotics, heavy equipment, and general manufacturing, selecting the right oil seal directly influences equipment uptime, maintenance cost, and overall system efficiency. The Role of Oil Seals in Industrial Systems A high‑quality oil seal performs several critical functions. It retains lubricant inside the system, maintaining a consistent oil film that reduces friction and prevents premature wear. At the same time, it blocks external contaminants such as dust, moisture, metal particles, and chemicals from entering sensitive components. In demanding environments involving high temperature, pressure fluctuations, or continuous rotation, a reliable oil seal ensures stable sealing performance and protects the entire mechanical system. Material Options for Different Working Conditions Oil seals are manufactured using various materials to match different industrial requirements. Nitrile rubber is widely used for general applications due to its cost‑effectiveness and good oil resistance. Fluoroelastomer materials offer excellent heat and chemical resistance, making them suitable for motors, industrial robots, and high‑temperature environments. Hydrogenated nitrile rubber provides enhanced wear resistance for heavy‑duty hydraulic systems. For extreme dynamic motion or high‑speed shafts, PTFE‑based oil seals deliver low friction, dry‑running capability, and long service life. Meeting the Demands of Modern Motion Systems Industrial equipment today often operates under complex motion profiles. Applications such as robot joints, servo motors, and precision gearboxes require seals that can withstand wide‑angle oscillation, high‑frequency reciprocating movement, and torque fluctuations. Advanced designs—such as spring‑energized PTFE seals, double‑lip structures, and optimized lip geometries—ensure consistent sealing even under ±180‑degree rotation or low‑lubrication conditions. Quality and Manufacturing Standards Reliable oil seals must meet strict dimensional accuracy and material performance requirements. Manufacturers that follow ISO, DIN, and GB/T standards ensure consistent quality across batches. Precision molding, controlled surface finishing, and accurate spring preload are essential to achieving stable sealing performance. For OEM and ODM projects, engineering support is often required to match the seal design with shaft speed, temperature range, lubrication type, and installation environment. Why Global Buyers Choose Professional Oil Seal Suppliers A trusted supplier provides more than just products. Buyers value stable material quality, consistent lead times, and technical support for custom applications. High‑performance materials, advanced production processes, and strict inspection procedures help ensure long service life and reduced maintenance downtime. For long‑term procurement, a reliable supply chain and flexible customization options are equally important. Supporting Your Industrial Applications Whether you are sourcing oil seals for automation equipment, industrial robots, hydraulic systems, or heavy machinery, choosing the right sealing solution is essential for maintaining system reliability and reducing operational costs. A well‑designed oil seal protects your equipment, extends service life, and supports stable production in demanding industrial environments.

Minimum Order: 1000

WELCOME TO Founded at 2010,LANGFANG OLAN GLASS BEADS CO., LTD is a professional glass beads manufacturer in China, with advanced production technology, the company has seen year on year growth to the successful business it is today. We can manufacture various glass beads for road safety and industrial purpose. And the company are dedicated to roadway safety industry with the mission of roadway safety expert. Our main products are reflective glass beads for road marking, sandblasting glass beads, hollow glass microspheres, grinding glass beads, high index glass beads and color glass beads.

Minimum Order: 1 bags

·Model:H2S ·Pipe Capacity:1”-21/2” (￠32mm-￠76mm) ·Max Wall- thickness:5mm ·Gross Weight:3.5kgs ·Model:H4S · , Pipe Capacity:2”-4” (￠60mm-￠114mm) ·Max Wall- thickness:6mm ·Gross Weight:7.0kgs

Minimum Order: 10 long tons

·Model: 6 # ·Max Pipe / Bar Capacity:6" ·Max load-bearing:600KGS ·Gross/Net Weight:21.0/18.5 KGS ·Packing Size:64*43*23 CM / 111*11*7CM https://www.youtube.com/shorts/z , EpV-9TXvwQ

Minimum Order: 50

Threading Specifications:1/2”-2”(BSPT OR NPT) Motor:2300W,110V-120V/60HZ 2300W,220V-230V/50HZ Dies Head (6Pcs) :1/2”,3/4”,1”,1 1/4”,1 1/2”,2” Tool Length:500 mm Net Weight:6.5 kgs Heavy load switch with safety lock ; Accessories: Oil can, side handle, cast iron clamp, plastic storage case Packing:every set packed in a plastic case,and two plastic case packed in one export carton. Carton Size:58X27X31cm G.W/N.W:35/34Kgs https://www.youtube.co , m/watch?v=e-kVpjZUNt4

Minimum Order: 50

Model:DSY-60A (Double Cylinder) Pressure: 0-60bar Flow Volume: 6.0L/Min Voltage:220V Power:400W G.W/N.W: 18.0/17.0 KGS Meas:40x30x29 CM Accessories: pressure hose,pressure gauge,seal set,plastic case https://www.youtube.com/watch?v=e-kVpj , ZUNt4

Minimum Order: 50

·Model:63# (1/4”-2”) ·Pipe Capacity:1/4"-2" ·Dies & Dies Head:1/4",3/8",1/2",3/4",1&quo , t;, 1 1/4",1 1/2", 2" BSPT/NPT ·Gross Weight:13 KGS https://www.youtube.com/watch?v=e-kVpjZUNt , 4

Minimum Order: 100