Tools & Hardware

In many mechanical systems, oil seals for keeping equipment running smoothly. Whether in automotive drivetrains, industrial pumps, agricultural machinery, or aerospace components, a well‑designed oil seal helps maintain lubrication, prevents contamination, and protects rotating assemblies from premature wear. Because different applications require different materials and structural designs, the global oil seal market has evolved into a diverse landscape of manufacturers, each with its own technical strengths. Well‑Recognized Oil Seal Brands Around the World Across the industry, several names appear frequently in engineering discussions, procurement lists, and equipment maintenance records. These companies have built their reputations through long‑term technical development, stable performance, and consistent product quality. ● SKF SKF is widely known for its work in bearings and sealing solutions. Its oil seals are often used in high‑speed and heavy‑load environments, such as automotive powertrains and industrial motors, where material stability and structural precision are essential. ● NOK NOK has a strong presence in Asia and is recognized for its elastomer technology and sealing design. Its oil seals are commonly found in engines, transmissions, and industrial machinery that require reliable performance under heat, friction, and oil exposure. ● Freudenberg Freudenberg has a long history in sealing technology and supplies oil seals for industries where reliability is a priority, including automotive, energy, and heavy machinery. Its products are often selected for applications involving demanding temperature or chemical conditions. ● Trelleborg Trelleborg focuses on advanced polymer materials and sealing system engineering. Its oil seals appear in aerospace, industrial machinery, and automotive systems, especially where complex or variable operating conditions require careful material selection. ● Parker Parker is sealing products cover a wide range of industrial sectors, from automation to petrochemical equipment. Its oil seals are valued for their adaptability to different media, temperatures, and pressures. ● NQKSF NQKSF has become increasingly recognized for its work in high‑temperature and high‑pressure sealing components. Its oil seals are used in automotive systems, agricultural machinery, and construction equipment, where durability and material stability are essential. The brand’s presence has expanded steadily as more equipment manufacturers adopt its products. ● DEDE DEDE focuses on advanced sealing materials and engineering‑oriented product development. Its oil seals are used in automotive, machinery, and aerospace applications, particularly in environments that require resistance to heat, corrosion, or demanding operating cycles. The company’s emphasis on material research has helped it gain attention in both domestic and international markets. ● CFW, Garlock, WKF and others Several other global manufacturers contribute to the industry with their own specialties, whether in chemical resistance, high‑speed applications, or custom sealing solutions. These brands illustrate how the global oil seal industry is no longer dominated by only a few traditional manufacturers. New players with strong technical capabilities are gradually shaping the competitive landscape. What Determines a Brand’s Position in the Industry Oil seals are evaluated not by marketing but by long‑term performance in real equipment. Several factors influence how engineers and manufacturers choose a brand: Material technology: Rubber compounds, PTFE blends, and composite structures directly affect durability. Design capability: Lip geometry, spring configuration, and surface finish determine sealing effectiveness. Application experience: Brands with proven performance in specific industries often gain trust more quickly. Supply stability: Consistent delivery and technical support are essential for equipment manufacturers. Because each brand has its own strengths, there is no universal “best” oil seal. The ideal choice depends on the equipment’s operating conditions— temperature, pressure, medium, speed, and installation environment. Making the Right Choice for Your Equipment In practice, engineers often begin with the working conditions rather than the brand name. A seal that performs well in a high‑speed automotive gearbox may not be suitable for a chemical pump exposed to corrosive media. Understanding the equipment’s requirements helps narrow the options and identify which manufacturer’s materials and designs align with the application. Many companies use a combination of brands across different equipment types. As long as the seal matches the operating environment and the supplier can provide stable support, it becomes a reliable option.

Minimum Order: 1000

Anyone who has spent time around rotating equipment knows that an oil seal is more than a small rubber ring—it is the quiet guardian of the entire system. When a seal fails, the consequences ripple through the machine: lubricant escapes, contaminants enter, and components wear out faster than expected. That is why selecting the right material is one of the most important decisions made during design. Imagine a gearbox running day and night in a manufacturing plant. The lubricant inside is a standard mineral oil, and the temperature rarely climbs beyond moderate levels. In such a case, a nitrile rubber (NBR) seal performs reliably. It handles petroleum‑based oils well and offers a stable balance between flexibility and durability. For many industrial machines, this is the material that keeps operations smooth. Now consider a different scenario: an automotive transmission exposed to high temperatures and synthetic fluids. Here, NBR would struggle. Fluoroelastomer (FKM) becomes the natural choice because it maintains its properties even when the environment is hot and chemically aggressive. This is why many modern vehicles rely on FKM seals in critical areas. Outdoor hydraulic systems present another challenge. Winter temperatures can cause some elastomers to stiffen, leading to leaks during startup. Hydrogenated nitrile rubber (HNBR) or silicone rubber offers better low‑temperature performance. HNBR also provides enhanced resistance to heat and chemicals, making it suitable for equipment that experiences seasonal temperature swings. Then there are the extreme cases—high‑speed shafts, chemically harsh environments, or applications where lubrication is inconsistent. PTFE seals often step in here. Their low friction and chemical resistance allow them to survive conditions that would quickly degrade traditional elastomers. They are not as forgiving during installation, but when used correctly, they deliver exceptional stability. Selecting a material is ultimately about understanding the environment the seal must endure. Temperature, fluid type, shaft speed, pressure, and even the surface finish of the shaft all influence the decision. Experienced engineers often rely on field data, supplier recommendations, and long‑term performance records to make the final call. A well‑chosen oil seal material does more than prevent leakage—it protects the integrity of the entire system. When the material matches the application, the machine runs cleaner, longer, and with fewer interruptions.

Minimum Order: 1000

IMC type magnetic drive chemical process pump using magnetic theory, the use of intensive poly-magnetic push-pull magnetic circuit structure, to achieve non- contact torque transmission, cancel the traditional mechanical seal pump seal to replace the static seal and dynamic seal to hermetically sealed, no leakage of the transmission medium. IMC-P series of fluorine plastic magnetic pump type and the basic parameters of the light HG/T2730-95 "chemical process magnetic drive centrifugal pump," the chemical industry standards. IMC-P Series fluoride plastic magnetic pumps for chemical, pharmaceutical, fertilizer, smelting, electroplating, food, film and printing photos, water treatment, military and other industries, the transportation of flammable, explosive, volatile, toxic, rare and precious liquid and ideal for a variety of corrosive liquids equipment. IMC-P high-temperature fluorine plastic magnetic pump maximum delivery pressure of 1.6MPa, the temperature not exceeding 200 ℃, viscosity of less than 30 * 10-6M2 / S does not contain hard particles and fibers of the liquid. When the transmission medium system pressure is greater than 1.6MPa, it can make special design and manufacturing.

Minimum Order: 1 bags

In industrial machinery, automotive systems, and countless mechanical assemblies, oil seals play a quiet yet decisive role. They are the guardians of lubrication, preventing leakage while keeping contaminants away from sensitive components. Although their function may sound straightforward, the diversity of oil seal designs reflects the complexity of modern engineering needs. Radial Shaft Seals Perhaps the most recognized category, radial shaft seals are designed to protect rotating shafts. Their flexible lip maintains contact with the shaft surface, ensuring oil remains inside while dust and moisture stay out. These seals are widely used in gearboxes, pumps, and engines, where consistent rotation demands reliable sealing performance. Hydraulic and Pneumatic Seals Hydraulic systems rely on seals that can withstand high pressure and fluid dynamics. Hydraulic oil seals are built to resist extrusion and wear, ensuring cylinders operate smoothly. Pneumatic seals, though similar in principle, are tailored for air-driven systems, emphasizing low friction and durability. End Cap Seals End cap seals are used when a shaft opening needs to be completely closed. Instead of allowing rotation, they act as a barrier, blocking oil passage and protecting the housing. This type is common in applications where unused shaft holes must be sealed securely. V-Ring Seals V-rings are elastic seals that fit directly onto the shaft. Their flexible design allows them to act as a flinger, deflecting dirt, water, and other contaminants away from the sealing area. They are often paired with radial seals to provide an additional layer of protection in harsh environments. Axial Seals Unlike radial seals, axial seals are positioned to work against a flat surface. They are frequently used in rolling bearings and other assemblies where axial movement requires a tight yet adaptable sealing solution. Customized and Application-Specific Seals Beyond standard categories, many industries demand seals tailored to unique conditions—high temperatures, aggressive chemicals, or extreme speeds. Manufacturers develop specialized oil seals with reinforced materials, multi-lip designs, or advanced coatings to meet these challenges. Oil seals are not a one-size-fits-all solution. From radial shaft seals to specialized designs, each type addresses a particular mechanical challenge. Understanding these categories helps engineers and procurement professionals select the right seal for their equipment, balancing durability, efficiency, and cost-effectiveness.

Minimum Order: 1000

Biogas pump, submersible sewage mud pump with cutter at the bottom. submersible biosolid pump High chromium alloy cutting impeller and cutter plate Manure pit cutter submersible sewage pump is submersible motor pump with a cutter at the bottom of the inlet. When the pump works, the cutter combination device rotates with the shaft at high speed to produce a strong cutting force. The pump is used for used for pumping manure, biogas manure, sewage sludge, wastewater and similar media, some of which contain solids. Sanitary napkins, plastic bags, towels and hair is cut and then discharged along with the sewage. 1. There is a cutter device at the water inlet of the electric pump, which can cut up the big garbage, such as towels, sanitary towels and plastic bags 2, equipped with submersible copper wire motor with copper core. 3, standard cable 4, mechanical seal is double end alloy! Application: Community, municipal pipe network, comprehensive sewage treatment plant, building basement sewage treatment equipment, subway engineering, especially suitable for the medium containing long fiber wastewater. Sewage discharge of food, leather, paper pulp, printing and dyeing, steel and other products. Sewage discharge from slaughtering sites and rural biogas digesters.

Minimum Order: 1 bags

1. Hydrochloric acid pump The concentration of ordinary hydrochloric acid is as high as 38%, so hydrochloric acid pumps basically only need plastic flow components. From the aspects of service life and cost effectiveness, FSB fluorine alloy centrifugal pumps or CQBF magnetic pumps can be selected 2. Sulfuric acid pump There are two types of sulfuric acid pumps: dilute sulfuric acid pump and concentrated sulfuric acid pump. The former has a wide range of options, while dilute sulfuric acid pump is selected from engineering plastic pump, ceramic pump, F46 pump, and F26 pump. The latter is selected from fluoroplastic F46 pump for concentrated sulfuric acid pump. Concentrated sulfuric acid corrodes ordinary engineering plastics, and the density of concentrated sulfuric acid is high. When choosing a pump, attention should be paid to increasing the power of the motor 3. Hydrofluoric acid pump Hydrofluoric acid is highly corrosive, and it is recommended to choose a fluoroplastic magnetic pump for acid resistant pump selection (and the ceramic parts of the pump must be changed to hydrofluoric acid resistant materials) 4. Nitric acid pump Acid resistant pumps are recommended for nitric acid pumps, and fluoroplastic magnetic pumps are recommended. The rubber sealing ring should be made of PTFE material 5. Acetic acid pump Acetic acid is one of the highly corrosive substances in organic acids. Ordinary steel will corrode severely in all concentrations and temperatures of acetic acid. Stainless steel is an excellent material resistant to acetic acid, and 316 stainless steel containing molybdenum is also suitable for high temperatures and dilute acetic acid vapor. When high temperature and high concentration acetic acid and other corrosive media are strictly required, acid resistant pumps can choose high alloy stainless steel and fluoroplastic magnetic pumps. For example, CQB magnetic pump, CQ stainless steel magnetic pump 6. Saltwater (seawater) pump Ordinary steel has a higher corrosion rate in sodium chloride solution, seawater, and saltwater, and generally requires coating protection; The uniform corrosion rate of various stainless steels is also very low, but it may be localized corrosion caused by chloride ions. 316 stainless steel is generally better, but the price is relatively high. It is recommended to choose fluoroplastic centrifugal pumps, such as IHF chemical centrifugal pumps or FS fiberglass centrifugal pumps.

Minimum Order: 1 bags

In the world of industrial machinery, the importance of high-quality sealing solutions cannot be overstated. TG4 oil seals have become a cornerstone in the sealing solutions market, thanks to their exceptional durability and performance in demanding environments. This article explores the benefits, applications, and considerations for distributors and wholesalers when selecting TG4 oil seals. What is a TG4 Oil Seal? A TG4 oil seal is a type of rotary shaft seal that is designed to prevent leakage of lubricants, oils, or gases in machinery operating under high pressure, high temperature, or heavy loads. TG4 seals are known for their advanced sealing performance, which is achieved through their unique design and high-quality materials. Some of the key features of TG4 oil seals include: Superior Sealing Efficiency: The TG4 seal’s design allows it to maintain a high level of sealing even under extreme pressures and temperatures, ensuring a reliable seal that reduces the risk of fluid leakage. High Temperature and Wear Resistance: Manufactured from materials that can withstand high temperatures, TG4 seals maintain their sealing effectiveness over time, even in challenging environments. Chemical Resistance: TG4 seals are highly resistant to various chemicals, making them suitable for use in industries such as chemical processing and mining. Ease of Installation: The design of TG4 seals ensures that they can be easily installed, reducing installation time and costs for manufacturers and operators. Applications of TG4 Oil Seals TG4 oil seals are used across various industries, especially where high sealing performance and durability are required. Here are some key areas where TG4 oil seals are commonly applied: Automotive Industry: In automotive engines, gearboxes, and differential systems, TG4 oil seals are essential for preventing oil leaks and ensuring long-lasting performance. Construction Machinery: Equipment used in construction often works under harsh conditions. TG4 seals provide protection against contamination from dirt and debris, ensuring smooth operation of the machinery. Mining Equipment: Mining machinery operates in environments where dust and dirt can damage equipment. TG4 oil seals prevent contaminants from entering the system, prolonging the life of mining equipment. Chemical and Petroleum Industry: In industries that involve high temperatures and pressures, such as chemical processing and petroleum extraction, TG4 oil seals prevent leaks, ensuring safety and efficiency in operations. Key Factors to Consider When Selecting TG4 Oil Seals When selecting TG4 oil seals, distributors and wholesalers should consider several key factors to ensure that they are choosing the right product for their customers' needs: Environmental Compatibility: TG4 seals should be selected based on the specific conditions of the work environment. For high-temperature or high- pressure applications, it’s crucial to choose materials that can withstand those conditions. Sealing Efficiency: The primary function of the TG4 seal is to provide reliable sealing. Ensure that the seal can meet the performance requirements of the equipment, preventing leaks and contamination. Material Selection: The material of the TG4 oil seal directly affects its durability and resistance to wear and chemical corrosion. Choosing the appropriate material for the working environment will enhance the seal’s longevity. Size and Fit: Proper sizing and installation of the TG4 seal are essential for achieving optimal performance. Ensure that the seal fits precisely in the application to maintain a strong seal. TG4 oil seals provide an excellent sealing solution for industries requiring high performance under challenging conditions. Their superior sealing capability, resistance to high temperatures, pressure, and chemicals make them an ideal choice for many applications.

Minimum Order: 1000

With the continuous advancement of technology, the application of robotics has become increasingly widespread in various fields. In these high-tech devices, seals play a crucial role, especially considering the demands for high precision and stability in robots. Seals not only protect the internal components of robots from external environmental influences but also improve their operating efficiency and extend their service life. This article will explore the different types of seals used in the robotics industry and their applications. Types of Seals in Robotics Robots operate in complex and ever-changing environments, so the types of seals used are varied. Common types of seals include oil seals, O-rings, labyrinth seals, shaft seals, and dust seals. Oil Seals: Oil seals are commonly used in parts of robots such as motors and gearboxes, which operate at high speeds. These seals prevent oil leakage, maintain the lubrication system of the robot, and block dust and contaminants from entering, ensuring the mechanical components remain uncontaminated. O-Rings: O-rings are widely used in robotic hydraulic and pneumatic systems to prevent the leakage of fluids or gases. Due to their simple design and efficient sealing capabilities, O-rings are one of the most commonly used seals in the robotics industry. Labyrinth Seals: Labyrinth seals form multiple physical barriers through different-shaped channels and obstacles, effectively preventing the leakage of fluids and gases. These seals are often used in robots that operate in high-pressure and high-temperature environments. Shaft Seals: Shaft seals are used to seal rotating shafts in robots, preventing oil leakage and contamination from entering the robot’s interior. In robots with high-speed rotating components, the sealing performance of shaft seals is especially critical. Dust Seals: Robots often operate in harsh environments with a high level of dust. Dust seals effectively prevent dust and particles from entering the robot's interior, protecting sensitive internal components. Applications of Seals in Robotics The applications of seals in robotics are widespread and cover various aspects of robotic structures. They are particularly crucial in the following areas: Motor and Gearbox Protection: Motors and gearboxes are key components of robots, and their frequent movement and high load operations make them vulnerable to environmental damage. Oil seals and shaft seals are used to protect these parts by preventing lubricant leakage and ensuring the parts are well-protected during high-efficiency operation. Hydraulic and Pneumatic Systems: Many robots use hydraulic and pneumatic systems for operation, and the leakage of fluids and gases in these systems is a common concern. O-rings and labyrinth seals are widely used in these systems to ensure that hydraulic oil and gases do not leak, ensuring the efficiency and safety of the robot. Precision Mechanical Part Protection: The precision components inside robots, such as servomotors, sensors, and bearings, all require protection through seals. In environments with high temperatures, humidity, corrosive elements, or dust, seals effectively prevent harmful substances from damaging these sensitive components. Seal Selection and Challenges For robot manufacturers, distributors, and wholesalers, selecting the appropriate seals can be a challenging task. Here are some key factors to consider when choosing seals: Operating Environment: The environment in which the robot operates, such as temperature, humidity, pressure, and corrosive conditions, greatly influences seal selection. For instance, in high-temperature environments, high-temperature-resistant seals such as FKM seals should be chosen. Sealing Performance Requirements: Different robot components have different sealing performance requirements. For example, seals used in motors and gearboxes need to be highly resistant to pressure and wear, while seals in hydraulic systems require higher hydraulic performance. Size and Durability: The size of the seal must be accurately matched to the component to ensure effective sealing. Additionally, seal durability is crucial, as high-quality seals can maintain excellent sealing performance over long periods of operation. Focus Points for Distributors and Wholesalers For distributors and wholesalers, the following aspects are key when selecting robotic seals: Product Quality and Certification: The quality of seals directly impacts the overall performance of robots. Therefore, choosing high-quality, certified seals is essential. Supply Chain and Inventory Management: Distributors need to ensure timely supply and sufficient inventory of seals. A smooth supply chain and efficient inventory management can greatly enhance competitiveness. Cost Control and Pricing Strategy: While quality is critical, reasonable cost control and pricing strategies are also essential to gaining market share. Distributors should price products competitively while ensuring they provide high-quality seals. Seals play a vital role in the robotics industry, enhancing the performance and longevity of robots and providing reliable protection in various operating environments.

Minimum Order: 1000

DBW food grade hygienic sanitary electric diaphragm pump is widely used in Beverage industry, pharmaceutical industry, dairy industry, food industry, meat industry, cosmetics industry, condiments industry, daily chemical industry, alcohol industry etc. Advantage: 1.The flow parts of QBW pneumatic diaphragm pump is made of stainless steel material (SS304, SS316,SS316L) with hygienic/sanitary food grade requirements. 2. Pump uses precision casting. The surface is smooth and tidy and has a higher strength. 3. Valve ball is further processed by a special machine, which has high roundness and good sealing performance. 4. Accurately calculate the moving distance of the diaphragm to reduce the force of the diaphragm and have a longer service life. 5. Four bolt connection design, good sealing performance, the actual dry suction can reach 0-4 meters. 6. Three-section upper and lower cover, flexible installation. 7. The integrated design of the diaphragm retaining block has excellent pressure resistance and high temperature resistance and is widely used in food, alcohol, daily chemical, beverage industry. 8. Connecting rod of the diaphragm is made of wear-resistant stainless steel, which has better corrosion resistance and longer life. Working principle: The motor (4) drives the diaphragm (2) above the plunger at the left and right ends to reciprocate through the reduction gear box (3).In the left and right pump Chambers, the movement of the upper and lower four one-way ball valves (1) affect diaphragm the change in the volume of the working chamber, forcing the four one-way ball valves to open and close alternately, thus continuously inhaling and discharging the liquid. Sanitary electric double diaphragm pump notice: 1. No valve is allowed to be installed at the pump outlet, if it is necessary, please install safety valves in the outlet, working pressure cannot exceed 0.4MPA. 2, The lubricant oil should be added timely to keep the normal operation of the lubrication system. 3. The ambient temperature of the pump in use shall be less than 40℃, and the motor temperature shall not exceed 75℃. 4. The medium to be transported and its temperature shall be within the allowable range of the pump material. 5. When the pumped liquid is easy to precipitate for the crystallization of the medium, the pump should be cleaned after finishing operation so as to avoid damage when open again.

Minimum Order: 1 bags

As the new energy vehicle (NEV) industry continues to grow rapidly, the role of seals has become increasingly important in ensuring the efficiency and safety of these vehicles. Seals in NEVs are used to prevent contaminants such as water, dust, and dirt from entering critical components, as well as to provide functions like noise reduction, thermal insulation, and vibration dampening. While seals for doors and windows are common, NEVs also require a variety of other seals tailored to their unique operational needs. This article will explore the types of seals used in new energy vehicles, focusing on their functions in different parts of the vehicle. It will also discuss considerations for distributors and wholesalers looking to understand the seal market and its trends. Seals in the Power Battery System The power battery is one of the most critical components in a new energy vehicle, and the seals used in the battery system are crucial to ensuring the battery’s safety, performance, and longevity. Battery systems need seals that prevent moisture, dust, and other contaminants from entering, thus protecting against corrosion and damage. Common battery system seals include: Battery Pack Seals: These are used on the outer casing of the battery pack to prevent external moisture and dirt from infiltrating the pack. Battery Module Seals: These seals are used between individual modules inside the battery pack to ensure isolation and effective sealing of electrical components. Battery system seals are typically made from NBR (Nitrile Butadiene Rubber) or EPDM (Ethylene Propylene Diene Monomer) materials. These materials offer excellent resistance to weathering, chemicals, and thermal stress, ensuring that the seals perform reliably under the harsh conditions experienced inside battery systems. Seals in the Electric Motor System The electric motor is at the heart of a new energy vehicle’s propulsion system, and as such, the seals used in the motor must withstand extreme temperatures, pressure, and friction. Seals in the electric motor system primarily function to prevent dust, moisture, and contaminants from entering the motor and damaging its internal electrical components. Common electric motor seals include: Shaft Seals: These seals are placed around the rotating motor shaft to prevent the leakage of lubricants and entry of external contaminants. End Cover Seals: Located at the motor's end caps, these seals prevent the ingress of dust, moisture, and debris. Materials commonly used for motor seals include FKM (Fluoroelastomers) and VMQ (Silicone Rubber), as they offer superior heat resistance, oil resistance, and water resistance, which are critical for ensuring the performance and longevity of the motor. Seals for Charging Interfaces As electric vehicles (EVs) become more widespread, the charging infrastructure is just as important as the vehicle itself. Charging interface seals are crucial in ensuring the reliability and safety of the charging process. These seals help protect the connectors from contamination, and ensure the electrical components remain insulated and safe during charging. Common charging interface seals include: Charging Port Seals: These are used to seal the vehicle's charging port, preventing moisture and dirt from entering. Charging Connector Seals: These seals protect the connection between the charging cable and the vehicle, ensuring a reliable and safe electrical connection. Materials like EPDM (Ethylene Propylene Diene Monomer) and NBR (Nitrile Butadiene Rubber) are commonly used for charging interface seals, due to their excellent resistance to water, temperature variations, and exposure to various lubricants and chemicals. Seals in the Thermal Management System The thermal management system in an NEV is critical for maintaining the performance of the battery and electric motor by regulating their operating temperatures. Seals used in thermal management systems must withstand high temperatures and help maintain the integrity of coolant systems. Common thermal management seals include: Coolant System Seals: These seals are used to prevent coolant leaks in radiator and cooling pipe connections. Thermal Valve Seals: These are used in temperature control valves to prevent leakage and ensure smooth coolant flow. Seals for thermal management systems are typically made from Silicone Rubber (VMQ) and PTFE (Polytetrafluoroethylene), which are known for their excellent heat resistance and chemical inertness, ensuring the seals perform effectively in high-temperature environments. Common FAQs about Seals for New Energy Vehicles What are the key factors in selecting seals for new energy vehicles? When selecting seals for NEVs, key factors to consider include temperature resistance, chemical resistance, durability, and compatibility with various lubricants or coolants used in the vehicle. The specific location of the seal and its function also influence the choice of material. What are the current trends in the NEV seal market? With the rapid development of NEV technology, the demand for high- performance seals is increasing. Future trends in the NEV seal market will focus on materials that are more environmentally friendly, durable, and capable of withstanding extreme conditions. As battery technology advances, the need for robust seals in battery packs and electric motor systems will continue to rise. What should distributors consider when sourcing seals for new energy vehicles? Distributors should focus on the quality, performance, and stability of the seals. Understanding the specific requirements of different NEV systems and working with reliable suppliers to ensure the quality and longevity of the seals will help distributors provide optimal solutions to their customers. Seals are an essential component in ensuring the safe and efficient operation of new energy vehicles. From the power battery system to the electric motor, charging interfaces, and thermal management systems, seals play a vital role in preventing contamination, protecting sensitive components, and ensuring optimal performance.

Minimum Order: 1000

AFB centrifugal pump is a kind of single stage single suction cantilever corrosion resistant centrifugal pump which is improved on the basis of F type corrosion resistant pump. The pump is made of 1Cr18Ni9Ti, 304, 316L etc materials. FB, AFB centrifugal pump is used for conveying corrosive liquid without solid particles or a small amount of impurities. The liquid temperature is -20 to 130 degree Celsius and the inlet pressure is not more than 0.2mpa. AFSM Series centrifugal pump is made of ZSM material. AFSM centrifugal pump can transport various highly corrosive liquids containing solid particles, and the medium temperature is -20 to 500 degree Celsius. The sealing material adopts high temperature resistant carbon graphite packing. AFSM centrifugal pump can be widely used in mineral processing, smelting, grease chemical industry, sewage and other strong corrosion, high temperature, impact and other occasions. FBK wear resisting and corrosion resisting alloy steel pump , duplex stainless steel pump ,corrosion resisting slurry pump. The pump is developed and is made of duplex stainless steel material and dynamic auxiliary impeller seal and front and rear door structure. FBK Centrifugal pump is a horizontal metal acid alkali resisting heavy duty slurry cantilever pump. FBK Centrifugal pump is developed on the base of AFB,FB series chemical centrifugal pump. FBK centrifugal pump performance range includes all the performance of F series chemical pump and improves the specifications and performance of the mining requirements. The application of new type duplex alloy steel is added to the material of the pump. The sealing performance is considered comprehensively according to the characteristics of corrosion resistance and wear resistance. The overall structure is designed with thickening and aggravating. It effectively extends the wide flow passage of AFB series pump with not clogging and improves its wear resistance. It is an ideal choice for all kinds of mines that need corrosion resistance and wear resistance. FBK centrifugal pump is Suitable for conveying gas liquid two phase fluids and liquid with high concentration of solid particles (up to 40%), low temperature or high temperature, neutral or corrosive. FBK centrifugal pump is Widely used in chemical, petroleum, metallurgy, power plant, food, pharmaceutical, synthetic fiber and other departments. FBK centrifugal pump is Used to transfer corrosive liquids with temperature from 20 to 280 degree Celsius and have good wear resisting corrosion resistance. FBK centrifugal pump is specially suitable to pump strong corrosive, strong abrasion, and a variety of special liquid containing solid material impurities.(such as hydrochloric acid, sulfuric acid, nitric acid, dilute sulfuric acid, hydrofluoric acid, caustic soda, hot oil, pulp, slag pulp, paper pulp, pulp, pulp, desulfurization gypsum lime pulp, chemical sewage, sludge and other two phase fluids. Wet sulfuric acid, bentonite industry, abrasive and abrasive tool industry, gypsum slurry in desulfurization process in the field of environmental protection and slag slurry transportation in worse working conditions in aluminum plant; Zinc, nickel, silver, manganese, acid hydrolysis, electrolysis and other metallurgical chemical industry. Solid - containing liquid conveying and plate - frame filter press.

Minimum Order: 1 bags

Fluorine plastic anti-acid pump Single stage single suction Cantilever centrifugal pump The flow components are all made of fluoroplastic, and the pump body is lined with polytetrafluoroethylene propylene (F46)，Equipped with WB2 series external mounted PTFE corrugated pipe mechanical seal. The pump has the advantages of strong corrosion resistance, with high mechanical strength, non- aging, and no toxin decomposition. FSB fluorine plastic pump is mainly suitable for transporting acids, alkalis, salts, strong oxidizing agents, and other corrosive media with any concentration for a long time, Application: The pump is widely used in industries such as petroleum, chemical, pharmaceutical, pesticide, pickling, dyes, paint, smelting, papermaking, electroplating, food, etc 1. Acid resistant type: suitable for conveying various strong acids or mixtures of acids and solvents. 2. Alkali resistant type: suitable for conveying alkaline clear liquids or mixtures of alkaline liquids and solvents. 3. Explosion proof type: suitable for conveying flammable and explosive liquids, equipped with explosion-proof motors. FSB-D type: Closed couple & FSB-L type: shaft coupling type

Minimum Order: 1 bags

WQR high temperature submersible sewage lifting pump is a high-quality high temperature resistant water pump produced by our company. It is widely used in enterprises and public institutions such as: bath center, residential heating, enterprises using geothermal energy power generation, extraction of underground high temperature hot water. The pump is suitable to convey high temperature liquid medium containing dirt, solid particles and fiber. features 1, the seal use of alloy on silicon carbide can make the pump continuous safe operation. 2, the use of advanced hydraulic model, reasonable design, supporting the motor power is small, remarkable energy saving. 3. Compact structure, convenient movement, simple installation, no need to build pump room, reduce project cost. 4, the water level automatic control system, can automatically control the pump start and stop, without special care. 5. Equipped with electric control equipment, the pump can be automatically monitored for leakage, phase loss, overload, step-down pressure starting, etc. 6. It can be used with automatic coupling device to make installation and maintenance more convenient. Performance The diameter of discharge water is 25~200mm Flow 10 to 200 m3 / h Lift is 5 ~ 60 m The power range is 0.75 kW ~15KW The diameter of the passing solid particles is 15~35mm. High temperature resistant motor (Grade H insulation);High temperature copper wire, Grade H insulation and high temperature resistant insulating paint High temperature resistant cable, sealing ring, mechanical seal and NSK high temperature bearing imported from Japan. Temperature resistance up to 100 degrees The mixing device is under the inlet and outlet. As the motor rotates, the mixing device also rotates to stir around, which can evenly the silt on the bottom and then discharge together with the water.

Minimum Order: 1 bags

Gearbox oil seals are crucial components that ensure the efficient and reliable operation of gearboxes. Their primary role is to prevent oil leakage and protect the internal components from dirt, water, and other contaminants. However, the material selection for gearbox oil seals plays a significant role in determining their performance, durability, and ability to withstand harsh operating conditions. In this article, we will explore the various materials commonly used in the manufacturing of gearbox oil seals, highlighting their advantages and application areas. 1. Why Material Selection is Crucial for Gearbox Oil Seals Gearbox oil seals operate in a highly demanding environment, exposed to various stress factors such as high pressures, temperature fluctuations, and friction from the rotating shaft. The right material is essential for maintaining the integrity of the seal and ensuring long-term, trouble-free performance. The material chosen must exhibit excellent wear resistance, high-temperature stability, and chemical compatibility with the lubricants used in the gearbox. Choosing the wrong material can lead to premature failure of the seal, resulting in oil leakage, contamination, and ultimately, gearbox damage. This can result in costly repairs and downtime, which is why selecting the right material is critical for both manufacturers and those involved in the B2B distribution of oil seals. 2. Common Materials Used for Gearbox Oil Seals There are several materials used in the construction of gearbox oil seals, each with specific properties suited to different operating conditions. Below, we will discuss some of the most commonly used materials and their unique characteristics. 2.1 Nitrile Butadiene Rubber (NBR) Nitrile rubber, also known as NBR, is one of the most widely used materials for manufacturing gearbox oil seals. This material is well-regarded for its excellent resistance to petroleum-based oils and fuels, making it an ideal choice for sealing applications in gearboxes that use mineral oils. Advantages of NBR: Oil Resistance: NBR is highly resistant to a wide range of oils, greases, and hydraulic fluids. Wear Resistance: It offers good resistance to wear and abrasion, which is essential in gearbox applications where constant movement occurs. Cost-Effective: NBR seals are generally affordable, making them a popular choice for many industrial applications. However, NBR does have limitations. It is not suitable for high-temperature environments and is prone to degradation in the presence of high heat, making it less ideal for applications in gearboxes operating at elevated temperatures. 2.2 Fluoroelastomers (FKM) Fluoroelastomers, often referred to by the brand name Viton, are high- performance materials known for their exceptional resistance to high temperatures, oils, and chemicals. FKM is often used in more demanding gearbox applications, particularly in industries where extreme temperature fluctuations or exposure to aggressive chemicals is common. Advantages of FKM: High-Temperature Resistance: FKM can withstand continuous exposure to temperatures up to 200°C (392°F), and intermittent exposures to even higher temperatures. Chemical Resistance: It is highly resistant to a variety of chemicals, including acids, solvents, and oils, making it suitable for harsh environments. Durability: FKM oil seals offer excellent longevity, even in severe conditions, reducing the frequency of replacements. While FKM is highly durable, it is also more expensive compared to other materials like NBR, making it a choice primarily for high-end applications where reliability and performance are paramount. 2.3 Polyurethane (PU) Polyurethane is a synthetic polymer that offers a combination of high strength, flexibility, and resistance to abrasion. It is increasingly used in oil seals for gearboxes, particularly in industries where seals need to withstand high pressures and mechanical stress. Advantages of Polyurethane: Abrasion Resistance: PU is incredibly resistant to wear and tear, making it an ideal material for gearboxes that operate under high pressure. Flexibility: Despite its toughness, PU retains flexibility even in low temperatures, ensuring a reliable seal in fluctuating conditions. Resistant to Chemicals and Oils: Polyurethane seals exhibit good resistance to oils, fuels, and chemicals, which are often found in gearbox lubricants. However, while PU offers excellent performance in high-pressure and abrasive conditions, it is not as resistant to high temperatures as FKM and may degrade in extreme heat. 2.4 Polytetrafluoroethylene (PTFE) Polytetrafluoroethylene, commonly known as PTFE or Teflon, is a material known for its excellent chemical resistance and low friction properties. PTFE is often used in oil seals for gearboxes that require a high degree of chemical compatibility and low friction to reduce wear on both the seal and the shaft. Advantages of PTFE: Chemical Resistance: PTFE is resistant to virtually all chemicals, oils, and solvents, making it ideal for gearboxes that use aggressive fluids. Low Friction: PTFE offers very low friction, which helps to reduce the wear and tear on both the seal and the shaft. Temperature Resistance: PTFE can handle a wide range of temperatures, making it suitable for both high and low-temperature applications. The main drawback of PTFE is its relatively poor wear resistance compared to materials like polyurethane, making it less suitable for high-pressure applications unless combined with other materials. 3. Choosing the Right Material for Gearbox Oil Seals When selecting a material for gearbox oil seals, it is important to consider several factors, such as: Operating Temperature: Choose a material that can withstand the temperature range of your application. Lubricant Compatibility: Ensure the material is compatible with the lubricant used in the gearbox, whether it’s mineral oil, synthetic oil, or grease. Pressure and Load Conditions: If the gearbox operates under high pressure or load, consider materials with superior wear resistance, like polyurethane. Chemical Exposure: For gearboxes exposed to chemicals or aggressive fluids, materials like PTFE or FKM are ideal due to their chemical resistance. Choosing the right material for gearbox oil seals is a critical decision that can directly impact the performance and longevity of the gearbox. Materials like NBR, FKM, PU, and PTFE each offer unique advantages depending on the operating conditions and environmental factors. Understanding these materials’ properties and how they align with the gearbox’s needs can help you make an informed decision, whether you’re a manufacturer, distributor, or wholesaler in the sealing industry.

Minimum Order: 1000