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Skeleton oil seals are essential components in industrial machinery, automotive systems, and hydraulic equipment. Selecting the correct oil seal ensures the longevity and efficiency of your machinery. This guide explains the key aspects of skeleton oil seal model numbering and the selection process based on shaft and housing dimensions. What is a Skeleton Oil Seal? A skeleton oil seal is a mechanical seal designed to prevent the leakage of lubricants or fluids along the shaft. The seal is made of rubber and a metal skeleton that provides structural support. Skeleton oil seals are critical in environments where reliability and performance are essential. Understanding Skeleton Oil Seal Model Numbers Skeleton oil seals follow a standardized model numbering system that reveals a lot about the seal's design, size, and functionality. Typically, the model number structure includes the seal type, dimensions, and material. Components of Skeleton Oil Seal Model Numbers The model number is divided into three main sections: Seal Type (Letter Codes) The first part of the model represents the seal type, which defines the specific design features and applications. Common types include: TG4: Enhanced skeleton design for high-load, high-temperature environments. Ideal for systems subjected to extreme conditions. TG: Similar to TG4 but with a slightly lower resistance to extreme temperature and pressure. Suited for standard machinery. TB: Provides enhanced dust resistance, often used in dusty environments like construction sites. SC: Single-lip oil seal, suitable for clean, dust-free environments. SB: Metal outer shell with high precision, designed for precise applications requiring excellent positioning. Dimensions (Numerical Codes) The numerical portion of the model number specifies the seal's inner diameter (d), outer diameter (D), and height (H). These dimensions are key for fitting the oil seal correctly onto the shaft and housing. For example, TG4 50×80×12: TG4: Seal type (enhanced design for high-load environments). 50: Inner diameter (d): The seal fits a shaft with a diameter of 50mm. 80: Outer diameter (D): The seal fits a housing with an inner diameter of 80mm. 12: Height (H): The thickness or depth of the seal (12mm). Material The material used in the seal affects its resistance to temperature, chemicals, and wear. Common materials include: Nitrile Rubber (NBR): Standard material for general oil seals. Temperature range: -40°C to 125°C. Fluorocarbon Rubber (FKM): Ideal for high temperatures and chemically aggressive environments. Temperature range: -20°C to 250°C. Hydrogenated Nitrile Rubber (HNBR): Suitable for high-temperature and high- pressure environments. Temperature range: -50°C to 150°C. How to Select the Right Skeleton Oil Seal Based on Shaft and Housing Dimensions Correct oil seal selection involves more than just knowing the model number. The shaft diameter, housing dimensions, and working environment all play crucial roles in the selection process. Step 1: Measure Shaft and Housing Dimensions Accurate measurements are vital for selecting the right oil seal: Shaft Diameter (d): Measure the diameter of the shaft where the seal will sit. The oil seal's inner diameter should be slightly smaller than the shaft diameter to ensure a snug fit. Housing Diameter (D): Measure the inner diameter of the housing where the oil seal will be installed. The outer diameter of the oil seal should be slightly larger than the housing diameter for a secure fit. Housing Depth (H): Measure the depth of the housing to ensure the oil seal fits comfortably and can perform its sealing function properly. Step 2: Select the Right Material Choose the material based on the operational environment: NBR (Nitrile Rubber): Works well in standard environments where temperatures are relatively moderate and the seal is exposed to oils and fats. FKM (Fluorocarbon): Ideal for high temperatures and environments with harsh chemicals. HNBR (Hydrogenated Nitrile): Best for environments requiring high temperature and high-pressure resistance. Step 3: Choose the Correct Seal Type Choose the right seal type based on your specific needs: TG4 Type: This type is highly suited for high-temperature and high-pressure environments, such as those found in automotive engines, heavy machinery, and hydraulic systems. It’s built for extreme load applications. TG Type: A more general-purpose seal, ideal for standard industrial environments. It is suitable for machinery where extreme temperature and pressure are not a concern. TB Type: If your environment involves dusty conditions, such as construction sites or mining operations, the TB Type oil seal provides superior protection against dirt and debris. Key Considerations When Selecting Skeleton Oil Seals Working Conditions Before selecting a skeleton oil seal, assess the environmental factors: Temperature: If the oil seal is going to be exposed to extreme temperatures, consider using Fluorocarbon (FKM) or Hydrogenated Nitrile (HNBR) seals. Pressure: For high-pressure applications, TA Type oil seals or TG4 Type seals are designed to withstand such stresses. Contaminants: If your application involves dust or debris, select oil seals like the TB Type or TCV Type for added protection. Installation Requirements Ensure proper fitment of the oil seal: The inner diameter of the seal must be slightly smaller than the shaft diameter for a tight fit. The outer diameter must match the housing diameter to avoid leakage. Maintenance Costs Durable oil seals, such as TG4 or FKM seals, reduce maintenance costs by offering longer service life and greater reliability. While the initial investment may be higher, they ultimately reduce the frequency of replacements and the downtime required for repairs. Selecting the right skeleton oil seal is crucial for machinery efficiency and longevity. If you need further assistance or have specific application requirements, feel free to reach out, and we can provide personalized recommendations.

Minimum Order: 1000

Incoloy rods are high-performance alloy products, primarily composed of nickel, iron, and chromium. These rods are well-known for their exceptional resistance to oxidation and corrosion at high temperatures, making them widely used in various industrial sectors, especially those that demand superior performance in harsh and corrosive environments. Key Features of Incoloy Alloy 800, 825, and 925 Rods High-Temperature Resistance Incoloy rods maintain their structural integrity and mechanical strength at elevated temperatures, often exceeding 1,000°C, depending on the specific alloy grade (800, 825, or 925). This temperature resistance makes them ideal for demanding applications in industries such as power generation and aerospace, where high heat exposure is inevitable. Corrosion and Oxidation Resistance Due to their high chromium and nickel content, Incoloy alloys offer outstanding resistance to a wide variety of corrosive environments, including acidic, alkali, and oxidizing conditions. This resistance ensures long-term durability, especially in industries like petrochemical and marine processing, where corrosive substances are prevalent. Excellent Mechanical Strength Incoloy Alloy Rod s, whether 800, 825, or 925, exhibit excellent tensile and yield strength. This ensures they can withstand high mechanical stress without deformation, making them suitable for critical applications in high-pressure and high-temperature environments. Thermal Stability and Creep Resistance The Incoloy alloys are known for their exceptional ability to resist deformation (creep) and maintain stability under prolonged exposure to high temperatures. These properties ensure long-lasting performance even in the most extreme industrial conditions. Weldability and Machinability Incoloy rods are highly weldable and machinable with the correct techniques. This flexibility makes them suitable for various fabrication processes, making Incoloy alloys a preferred choice for engineers in industries requiring precise manufacturing and construction of critical components. Applications of Incoloy 800 , 825, and 925 Rods Petrochemical and Refining Industries Incoloy alloy rods are extensively used in the petrochemical and refining industries for equipment exposed to high temperatures, corrosive gases, and acidic environments. Common applications include furnace tubes, heat exchangers, and piping systems that require high resistance to corrosion and oxidation. Power Generation Incoloy 800, 825, and 925 rods are used in critical components of power generation systems, including boilers, nuclear reactors, and steam generators. The rods’ ability to withstand high temperatures and mechanical stress is essential for the safe and efficient operation of power plants. Aerospace Components The aerospace industry benefits from Incoloy rods in jet engines and exhaust systems, which require materials that can withstand both high temperatures and high stress. Incoloy alloys provide the necessary stability and corrosion resistance in such demanding applications. Marine and Chemical Processing Equipment Incoloy alloys, particularly 825 and 925 grades, are ideal for marine applications where saltwater, brine, and various acids are prevalent. Incoloy rods are commonly used in valves, fittings, and other components exposed to harsh marine environments, offering enhanced resistance to corrosion. Oil and Gas Industry Incoloy rods are used in the oil and gas industry for well tubing, casing, and completion equipment. Their resistance to sour gas and other corrosive elements makes them perfect for use in the oilfield, where harsh conditions can quickly degrade inferior materials. Benefits of Incoloy Alloy Rods Longevity and Durability The corrosion and heat resistance of Incoloy rods significantly extend their service life. This reduced need for maintenance and replacement translates into a more cost-effective solution for high-performance applications. Enhanced Safety and Reliability Incoloy rods are known for their stability under extreme conditions, which enhances the safety and reliability of critical operations. Their ability to maintain performance in high-stress, high-temperature environments helps reduce the risk of operational failure. Cost-Effectiveness in High-Performance Applications Although Incoloy alloys may have a higher initial cost compared to other materials, their long service life and reduced maintenance needs result in lower overall costs for industries that rely on high-temperature, corrosion- resistant materials.

Soft magnetic alloy wire is a highly advanced product in the field of Precision Alloy s, offering exceptional properties ideal for applications requiring efficient control and manipulation of magnetic fields. Made from materials like Permalloy, this soft magnetic alloy wire is engineered to deliver outstanding performance in a wide range of electrical and electronic devices. Key Features of Soft Magnetic Alloy Wire High Magnetic Permeability Soft magnetic alloy wire, including 1J33, 1J79 , 1J85, and 1J87 Permalloy grades, offers high magnetic permeability, enabling efficient magnetic flux conduction. This feature makes it an essential component in devices that need to control magnetic fields, such as transformers, inductors, and sensors. Low Coercivity One of the defining characteristics of this soft magnetic alloy wire is its low coercivity, which allows it to be magnetized and demagnetized with ease. This property ensures quick response to changes in magnetic fields, enhancing the performance and energy efficiency of a wide range of electronic devices. Stable Magnetic Properties The soft magnetic alloy wire is designed to maintain its magnetic properties over time, even when exposed to fluctuating environmental conditions. Its consistent magnetic performance ensures reliability and longevity in demanding applications, making it a crucial material in precision electronics and electrical systems. Precision Manufacturing Manufactured to exact specifications, the soft magnetic alloy wire is produced with high-quality standards in mind. This precision ensures that each wire meets the necessary requirements for use in advanced technologies, guaranteeing optimal performance in critical applications. Applications of Soft Magnetic Alloy Wire Soft magnetic alloy wire, such as the 1J33, 1J79, 1J85, and 1J87 Permalloy, is widely used in various electrical and electronic industries, including: Transformers: These wires are used in the windings of transformers, where they help improve energy efficiency by facilitating efficient magnetic flux conduction. Inductors: Soft magnetic alloy wire is ideal for making inductors, which are used in power supplies, filters, and other electrical devices. Sensors: The wire’s ability to respond quickly to changes in magnetic fields makes it an excellent choice for magnetic sensors used in position sensing, current measurement, and more. Magnetic Cores: Used in high-performance magnetic cores for a wide range of electrical equipment, ensuring effective performance under various operating conditions.

The GH4090 High Temperature Alloy Tube is a premium product designed to perform exceptionally well in high-temperature environments. With its outstanding resistance to thermal expansion, corrosion, and oxidation, this alloy tube is perfect for a range of demanding applications, particularly in chemical processing, marine engineering, and other high-performance industries. Key Features of GH4090 High Temperature Alloy Tube Thermal Expansion Resistance The GH4090 High Temperature Alloy Tube boasts a thermal expansion rate of 11.2×10⁻⁶/K, making it highly stable and resistant to dimensional changes under extreme temperature fluctuations. This feature ensures the tube will maintain its structural integrity even in environments subject to rapid temperature variations. High Density and Strength With a density ranging from 8.2 to 9.4 G/cm³, this high temperature alloy tube provides excellent strength and durability. Its high density makes it resistant to bending, breaking, or deformation under heavy stress, ensuring long-lasting performance in the toughest conditions. Outstanding Weldability The GH4090 alloy tube is designed with excellent weldability in mind. It can be easily welded to form reliable, secure joints without the risk of cracking or deformation. This makes it ideal for use in complex installations and demanding applications where weld strength is crucial. Annealing for Enhanced Durability Annealed to a strength of 700 – 800 N/mm², the GH4090 tube offers enhanced mechanical strength, ensuring it is ready to withstand extreme conditions in both high-temperature and high-pressure environments. This strength, combined with excellent resistance to oxidation and corrosion, makes it perfect for long-term, high-performance use. Hot Rolled Alloy Steel Composition Manufactured from hot rolled alloy steel, the GH4090 High Temperature Alloy Tube benefits from superior strength, durability, and corrosion resistance. This manufacturing process ensures a product that is not only tough but also highly resistant to wear and tear, making it a reliable choice for critical applications. Applications of GH4090 High Temperature Alloy Tube The GH4090 High Temperature Alloy Tube is widely used in industries where high- temperature resistance and excellent corrosion properties are essential. Some of its key applications include: Chemical Processing Industry: Used in manufacturing chemical equipment, such as heat exchangers, tanks, and piping systems, the GH4090 tube offers excellent resistance to high temperatures and corrosive substances. Marine Engineering: Due to its superior corrosion resistance, particularly in seawater, the GH4090 tube is ideal for marine engineering applications. It is used in shipbuilding, offshore platforms, and other marine equipment that must withstand harsh saltwater conditions. Aerospace and Nuclear Applications: The GH4090 alloy tube’s ability to withstand extremely high temperatures without deformation makes it a key component in aerospace and nuclear reactor systems. The tube can be used in various applications where both high heat resistance and mechanical strength are essential. Petrochemical Plants: The alloy tube’s excellent oxidation resistance makes it perfect for use in petrochemical plants, where equipment is subjected to corrosive and high-temperature conditions.

Incoloy 825 (also known as GH825 in Chinese standards) U-bend tubes are engineered to provide exceptional performance in heat exchanger and condenser applications. Manufactured to the ASME SB423 standard, these nickel-chromium- iron-molybdenum alloy tubes offer outstanding resistance to corrosion, oxidation, and high temperatures. With their precise U-bend configuration, they are ideally suited for use in thermal processing systems that demand durability, reliability, and long-term performance. Material Advantages Superior Corrosion Resistance Excellent chloride resistance (up to 1000ppm in seawater) Outstanding pitting resistance equivalent number (PREN >40) Resists stress corrosion cracking in chloride and sulfide environments Maintains integrity in both acidic and alkaline conditions High-Temperature Capability Continuous service up to 1800°F (982°C) Excellent oxidation resistance in flue gas environments Retains mechanical strength at elevated temperatures Key Applications Power Generation Steam surface condensers Power plant cooling water systems Geothermal energy extraction Waste heat recovery units Feedwater Heaters High-pressure preheating stages Nuclear plant secondary systems Combined cycle power stations Oil & Gas Processing Crude oil heat exchangers Gas sweetening units LNG heat transfer systems Refinery process coolers Chemical Processing Acid cooling systems Reactor cooling loops Polymer production equipment Fertilizer plant condensers Marine Applications Seawater-cooled condensers Offshore platform heat exchangers Shipboard desalination units Design Advantages Eliminates tube-to-tubesheet joints (common failure points) Compact footprint for space-constrained installations Improved thermal efficiency with optimized flow paths Reduced maintenance requirements Manufacturing Specifications Bend radii: 1.5x to 3x tube diameter Wall thinning control: <15% at bend apex Ovality control: <8% of nominal diameter Surface finish options: Pickled, polished, electropolished Industry Requirements Heat Exchanger Manufacturers Demand ASME SB423 compliance with full material certification Precise bend geometry for proper fit-up Consistent wall thickness throughout the bend Cleanliness standards for critical services

Incoloy rods are premium high-performance alloy products primarily composed of nickel, iron, and chromium. Renowned for their outstanding resistance to oxidation and corrosion at elevated temperatures, Incoloy rods are used across a range of industries that require materials to withstand harsh environments and extreme conditions. Key Properties High-Temperature Resistance Incoloy rods maintain their structural integrity and strength at elevated temperatures, often exceeding 1,000°C, depending on the specific alloy grade. Corrosion and Oxidation Resistance The high chromium and nickel content in Incoloy Alloy s make these rods resistant to a wide range of corrosive environments, including acidic and oxidizing conditions. Excellent Mechanical Strength These rods have high tensile and yield strength, providing exceptional durability under high mechanical stress, even in extreme environments. Thermal Stability and Creep Resistance Incoloy alloys resist deformation (creep) and retain stability over prolonged exposure to high temperatures, making them ideal for long-term use in high-heat applications. Weldability and Machinability Incoloy rods can be welded and machined with standard techniques, offering great versatility for various fabrication and construction needs. Applications Petrochemical and Refining Industries Incoloy rods are commonly used in equipment exposed to high temperatures, corrosive gases, and acidic environments, including furnace tubes, heat exchangers, and piping systems. Power Generation These rods are well-suited for use in boiler components, nuclear reactors, and steam generators where high heat resistance and mechanical strength are critical. Aerospace Components Incoloy rods are integral to jet engines and exhaust systems, where stability and corrosion resistance are necessary in high-temperature, high-stress conditions. Marine and Chemical Processing Equipment Incoloy alloys withstand aggressive environments such as saltwater, brine, and various acids, making them ideal for marine valves, fittings, and other applications. Oil and Gas Industry Incoloy rods are used in well tubing, casing, and completion equipment to provide resistance to sour gas and other harsh conditions. Benefits Longevity and Durability The excellent corrosion and heat resistance of Incoloy rods minimize the need for frequent maintenance and replacements. Enhanced Safety and Reliability Their stability in extreme conditions enhances safety and reliability, contributing to smoother and more dependable operations in demanding environments. Cost-Effectiveness in High-Performance Applications Although initially more expensive, the long service life of Incoloy alloys typically leads to lower overall costs in high-temperature, corrosive environments.

Model Number:5o0035560600800SK Frequency Range:600~800MHz Insertion Loss:0.5dB Isolation:19dB VSWR:1.25 Forwa , rd Power:100W Reverse Power:100W Connector Type:SMA-Female Temperature:-20~+65℃ R , F power amplifier protection. Digital, Satellite, Mobile Communication. Medical, Communication, Security. Military, Space and Commercial applications. 5o.com is a modern high-tech enterprise specializing in passive RF and microwave components, integrating R&D, production, and sales. The company focuses on technological innovation as its core and relies on technology leadership. The company's main products: Microwave RF isolators, circulators, coaxial terminations, coaxial attenuators, power splitters/dividers, waveguide to coaxial adapters, directional couplers, RF filters, and duplexers/multiplexers and other microwave passive components.

Minimum Order: 1 bags

Model Number:5o0135460350370 Frequency Range:350~370MHz Insertion Loss:0.35dB Isolation:21dB VSWR:1.2 Forward Power:300W Reverse Power:100W Connector Type:TAB Temperature:-40 ~ +85℃ Dimension:35*46*11mm RF power amplifier protection. Digital, Satellite, Mobile Communication. Medical, Communication, Security. Military, Space and Commercial applications. 5o.com is a modern high-tech enterprise specializing in passive RF and microwave components, integrating R&D, production, and sales. The company focuses on technological innovation as its core and relies on technology leadership. The company's main products: Microwave RF isolators, circulators, coaxial terminations, coaxial attenuators, power splitters/dividers, waveguide to coaxial adapters, directional couplers, RF filters, and duplexers/multiplexers and other microwave passive components.

Minimum Order: 1 bags

Model Number:5o1045500300400NK Frequency Range:300~400MHz Insertion Loss:0.6 dB Isolation:18dB VSWR:1.3 Forward Power:300W Reverse Power:300W Connector Type:N Female Temperature:-30 ~ +70℃ Dimension:45*50*24mm RF power amplifier protection. Digital, Satellite, Mobile Communication. Medical, Communication, Security. Military, Space and Commercial applications. 5o.com is a modern high-tech enterprise specializing in passive RF and microwave components, integrating R&D, production, and sales. The company focuses on technological innovation as its core and relies on technology leadership. The company's main products: Microwave RF isolators, circulators, coaxial terminations, coaxial attenuators, power splitters/dividers, waveguide to coaxial adapters, directional couplers, RF filters, and duplexers/multiplexers and other microwave passive components.

Minimum Order: 1 bags

Model Number: 5o111212150005600 Frequency Range:5000~5600MHz Insertion Loss:0.3dB Isolation:20dB VSWR:1.25 Forwa , rd Power:60W Reverse Power:20W Connector Type:TAB Temperature:-30 ~ +70℃ Dimension:12.7*12.7*8.0mm RF power amplifier protection. Digital, Satellite, Mobile Communication. Medical, Communication, Security. Military, Space and Commercial applications. 5o.com is a modern high-tech enterprise specializing in passive RF and microwave components, integrating R&D, production, and sales. The company focuses on technological innovation as its core and relies on technology leadership. The company's main products: Microwave RF isolators, circulators, coaxial terminations, coaxial attenuators, power splitters/dividers, waveguide to coaxial adapters, directional couplers, RF filters, and duplexers/multiplexers and other microwave passive components.

Minimum Order: 1 bags

Model Number:5o003038026NK Frequency Range:2.0~6.0GHz Insertion Loss:0.8dB Isolation:13dB VSWR:1.5 Forwar , d Power:100W Reverse Power:100W Connector Type:N Female Temperature:+20 ~ +70℃ Dimension:30.5*38.5*15mm il:1.5@2.0~2 , .5GHz 0.8@2.5~6.0GHz iso:13dB VSWR:1.5 Temp: -40~+20℃ RF power amplifier protection. Digital, Satellite, Mobile Communication. Medical, Communication, Security. Military, Space and Commercial applications. 5o.com is a modern high-tech enterprise specializing in passive RF and microwave components, integrating R&D, production, and sales. The company focuses on technological innovation as its core and relies on technology leadership. The company's main products: Microwave RF isolators, circulators, coaxial terminations, coaxial attenuators, power splitters/dividers, waveguide to coaxial adapters, directional couplers, RF filters, and duplexers/multiplexers and other microwave passive components.

Minimum Order: 1 bags

Model Number: 5o103030026SK Frequency Range:2.0~6.0GHz Insertion Loss:0.8dB Isolation:13dB VSWR:1.5 Forward Power:100W Reverse Power:100W Connector Type:N Female Temperature:-20 ~ +70℃ Dimension:30.5*30.5*15mm RF power amplifier protection. Digital, Satellite, Mobile Communication. Medical, Communication, Security. Military, Space and Commercial applications. 5o.com is a modern high-tech enterprise specializing in passive RF and microwave components, integrating R&D, production, and sales. The company focuses on technological innovation as its core and relies on technology leadership. The company's main products: Microwave RF isolators, circulators, coaxial terminations, coaxial attenuators, power splitters/dividers, waveguide to coaxial adapters, directional couplers, RF filters, and duplexers/multiplexers and other microwave passive components.

Minimum Order: 1 bags

Model Number: 5o1420024002500 Frequency Range:2400~2500MHz Insertion Loss:0.3dB Isolation:23dB VSWR:1.2 Forward Power:60W Reverse Power:60W Connector Type:SMT Temperature:-40 ~ +85℃ Dimension:Φ20.4*8.6 RF power amplifier protection. Digital, Satellite, Mobile Communication. Medical, Communication, Security. Military, Space and Commercial applications. 5o.com is a modern high-tech enterprise specializing in passive RF and microwave components, integrating R&D, production, and sales. The company focuses on technological innovation as its core and relies on technology leadership. The company's main products: Microwave RF isolators, circulators, coaxial terminations, coaxial attenuators, power splitters/dividers, waveguide to coaxial adapters, directional couplers, RF filters, and duplexers/multiplexers and other microwave passive components.

Minimum Order: 1 bags

A High-Frequency Veterinary Electrosurgical Device capable of supplying current suitable for cuts, coagulating cuts, coagulation in monopolar mode and coagulation in bipolar mode. Technical Features: Intelligent Device --The intuitive design and user-friendly set-up of Electrosurgical Unit in the modern operating room. --Monopolar and bipolar functions, It can satisfy all the surgeries demands, with safety, flexibility, reliability and convenience. --With a wide TFT LCD touch screen (7 inch), clean and sharper image quality, which provides the user with easy access to all functions. The settings or modes of operation are changed by touching icons on the screen to ensure maximum ease of operation. REM (Return Electrode Monitoring) --The REM system continually monitors patient impedance levels and deactivates the generator if a fault in the --patient/return electrode contact is detected, which minimize the danger of burning incidents.

Minimum Order: 10 long tons