Are you looking for the best rotary seal factories in China? With so many options available, it can be overwhelming to make the right choice. In this article, we’ll compare some of the top rotary seal manufacturers in China, highlighting their specialties, certifications, and the industries they serve. Let’s dive in and find the perfect fit for your needs.

High speed PDR rotary shaft seals – JST-Seals

Product Details: The PDR rotary shaft seal is designed to extend the boundaries of elastomeric radial shaft seals, utilizing advanced materials and design techniques. It consists of a precision-manufactured metal body and a mechanically retained PTFE sealing element. This design eliminates the need for gaskets to provide sealing between the lip and the shell, improving chemical resistance and temperature range. The seal is suitable for high-speed applications and can provide hydrodynamic characteristics on the sealing lip, enhancing sealing performance in single-direction shaft rotation. The seal is available in shaft sizes from 20 mm to 170 mm and operates within a temperature range

of -30°C to 200°C, with a pressure limit of 1 MPa and a speed limit of 30 m/s.

Pros:
– Highly wear-resistant
– Excellent chemical resistance
– High speed capability
– Wide temperature range
– Low friction and power consumption
– Dry running capability
– Standard and custom designs available
– Mechanical retention of PTFE eliminates environmentally harmful bonding processe…
– Provides hydrodynamic characteristics for improved sealing in single-direction s…
– Reduces shaft load and related wear temperatures

Cons:
– Limited to low pressure environments (up to 1 MPa)
– Specific installation requirements due to the precision-manufactured metal body…

China Rotary Seals Factory & Suppliers

Custom O Ring and Rotary Face Seal

Product Details: Rotary seals are designed to seal rotating shafts and rods, ensuring the containment of lubricants and preventing the ingress of contaminants. They are made from materials such as polymers, thermoplastics, and metals, which provide flexibility, resilience, and durability. These seals can handle varying temperatures and high rotational speeds, and they are often used in applications such as automotive engines, industrial turbines, gearboxes, and hydraulic systems. They can be solid, split, or have unique designs and sizes, and may feature additional components like rubber jackets or metal cases.

Pros:
– Prevent lubricant leakage and contamination
– Handle dynamic motion and maintain a tight seal
– Resistant to varying temperatures and high rotational speeds
– Extend the lifespan of machinery by preventing premature wear
– Provide low-friction properties and excellent resistance to wear
– Customizable for specific application requirements

Cons:
– May require specific material selection based on application conditions
– Excessive friction can lead to increased wear and heat generation
– Installation and maintenance can be complex in some cases
– Material compatibility with the sealed medium is crucial for performance

China High Pressure Rotary Lip Seals Manufacturer

Product Details: High Pressure Rotary Lip Seals are bidirectional rotary seals that can bear pressure from both sides and alternating pressure. They are made with a slip ring and o-ring/square ring, and feature a toothed section for easier installation. The seals have two interchangeable grooves and are used to seal rods, shafts, pins, and rotary joints with high-speed rotation or swing movement. Key specifications include a working pressure of ≤30Mpa, working temperature of -30 to +110℃ (or -25 to +220℃ depending on the o-ring and square ring material), and a working speed of ≤1m/s. The seals are compatible with media such as

hydraulic oil, gas, and water, and are made from materials like NBR/FKM for the o-ring and P03/Y04 for the slip ring.

Pros:
– High pressure resistance
– Wear resistance
– High temperature resistance
– Resistance to most chemicals
– Simple groove and small dimensions
– Easy installation due to toothed section

Cons:
– Requires proper installation to avoid leakage
– May need specific material selection based on operating conditions
– Limited to specific working speeds and pressures

China Oil Seal Size

Product Details: Oil seals are mechanical components designed to seal oils and other fluids in various mechanical systems. They are available in different types such as TC, TG, SC, SB, and TB. These seals are made from materials like NBR, FKM, Silicone, EPDM, and PTFE, which offer properties such as oil resistance, heat resistance, abrasion resistance, and aging resistance. They are used in applications including engines, transmissions, rear axles, tractors, excavators, and other agricultural and construction equipment. Customization in sizes and materials is available, and they can be shipped via express, air, or sea[1][2][5].

Pros:
– High sealing performance and minimal leakage
– Resistant to high temperatures, abrasion, and aging
– Low friction and energy consumption
– Long service life and convenient installation
– Versatile applications in various mechanical systems
– Customizable sizes and materials

Cons:
– May require specific installation techniques
– Can be affected by extreme temperatures and chemical exposure if not made from t…
– Shipping costs can be high for small packages
– Dependence on the quality of the material and manufacturing process for durabili…

Rotary Shaft Seal Type of Roten 2 Mechanical …

Product Details: Conical spring mechanical seals, such as the Roten 2 type, are designed to replace seals from brands like Burgmann, Vulcan, and John Crane. These seals feature a single conical spring, are unbalanced, and include an O-ring for secondary sealing. They are dependent on the direction of rotation, with right-handed springs for clockwise rotating shafts and left-handed springs for anticlockwise rotating shafts. The seals are suitable for various applications including water pumps, sewage pumps, submersible pumps, and chemical process pumps. The operating limits typically include temperatures from -20℃ to 180℃, speeds up to 10-15 m/s, and pressures up to 1.0 Mpa.

The materials used include carbon, stainless steel, and ceramic for the rotary face and static ring.

Pros:
– High precision and good performance
– Competitive pricing due to efficient production and material sourcing
– Wide application scope including clean water, sewage, submerged, and process pum…
– Compliant with ISO9001 standards ensuring high-quality control
– Customized service available to meet specific customer needs

Cons:
– Dependent on the direction of rotation, requiring correct installation
– Limited to specific operating conditions (temperature, speed, pressure)
– May require specialized knowledge for installation and maintenance

China Rotary Shaft Seal Manufacturers

Product Details: Rotary shaft seals are designed to prevent the leakage of fluids and to keep contaminants out in various industrial applications. They are available in different materials such as PTFE, NBR, FKM, and silicone. These seals can be customized to fit specific requirements, including different sizes, colors, and configurations. They are used in equipment like screw compressors, pumps, centrifuges, and mixers. The seals offer high chemical resistance, pressure stability, and low friction, making them suitable for high-temperature and high-speed applications.

Pros:
– High chemical resistance and durability
– Excellent pressure stability and low friction
– Customizable to fit specific application requirements
– Suitable for high-temperature and high-speed applications
– Cost-effective and reduces maintenance costs
– Available in various materials to meet different industry standards

Cons:
– May require specific installation and maintenance procedures
– Minimum order quantities (MOQ) may apply for some manufacturers
– Quality can vary depending on the manufacturer and production standards

PS-SEAL® Rotary Shaft Seals

Product Details: PS-SEAL® Rotary Shaft Seals are designed for reliable sealing of rotating shafts under high circumferential speed, high pressure, and extreme temperatures. Key details include: single or single reverse lip configurations, GYLON Black, Blue, or White lip material, 1.4571/316Ti case material, and FKM static seal material. The seals come in various dimensions, such as shaft sizes ranging from 22.00 mm to 85.00 mm, bore sizes from 35.00 mm to 120.00 mm, and widths from 7.00 mm to 12.70 mm. They have a preload of 5.00 mm and maximum pressure ratings of 5 bar or 10 bar. The temperature range is -30°C

to 204°C (-22°F to 399°F), and they are suitable for use with oil and in vacuum conditions[1][3][5].

Pros:
– Useable under high pressure and in extreme vacuum
– Very suitable for high circumferential speed
– Excellent chemical resistance
– Useable in food and pharma applications (FDA compliant)
– SIP/CIP compatible
– Good to excellent dry running capability
– Wear resistant and low friction

Cons:
– Not suitable for dry running in all applications (dependent on specific conditio…
– Misalignment tolerance is limited to +/- 0.15mm at 10.2 m/s
– Specific max shaft surface speed requirements must be adhered to (usually 45 m/s…

Double Lip Rotary Shaft Metric TC Oil Seal

Product Details: The Double Lip Rotary Shaft Metric TC Oil Seal is made from various materials including FKM, NBR, PU, and others. It features a double lip design with a steel spring loaded sealing lip, which is effective in sealing grease and keeping the surface clean. The seal is available in standard and customizable sizes and is used in various applications such as excavators, loaders, graders, and other heavy machinery. It has properties like high temperature, low temperature, high pressure, and low pressure resistance, as well as friction resistance[1][3][5].

Pros:
– Well-chosen materials and reasonable design ensure stable performance and excell…
– High temperature and pressure resistance make it suitable for various industrial…
– Customizable sizes to meet specific customer requirements.
– Affordable price and secure payment options.

Cons:
– Limited information available on the specific webpage, requiring cross-reference…
– No detailed warranty or return policy information specific to this product on th…

China Rotary Shaft Seal and Lip Oil Seal

Product Details: Rotary shaft seals and lip oil seals are designed for sealing rotary applications, preventing lubricant leakage and contamination. They are made from materials such as NBR, FKM, and PTFE, offering resistance to high pressure, temperature, and chemicals. These seals can operate in a wide temperature range (-30℃ to +200℃), handle pressures up to 30MPa, and speeds up to 1m/s. They are used in various industries including hydraulic, petrochemical, and automotive.

Pros:
– High pressure and temperature resistance
– Good abrasion and chemical resistance
– Low friction and wear
– Customizable sizes and materials
– Prevents lubricant leakage and contamination
– Suitable for high-speed and low-speed applications

Cons:
– May require specific installation techniques
– Can be affected by shaft surface roughness
– Limited performance in extreme dry or unlubricated conditions
– May have higher costs compared to simpler seal types

Comparison Table

Company	Product Details	Pros	Cons	Website
High speed PDR rotary shaft seals – JST-Seals	The PDR rotary shaft seal is designed to extend the boundaries of elastomeric radial shaft seals, utilizing advanced materials and design techniques….	– Highly wear-resistant – Excellent chemical resistance – High speed capability – Wide temperature range – Low friction and power consumption – Dry ru…	– Limited to low pressure environments (up to 1 MPa) – Specific installation requirements due to the precision-manufactured metal body…	www.jst-seals.com
China Rotary Seals Factory & Suppliers				www.ymsealing.com
Custom O Ring and Rotary Face Seal	Rotary seals are designed to seal rotating shafts and rods, ensuring the containment of lubricants and preventing the ingress of contaminants. They ar…	– Prevent lubricant leakage and contamination – Handle dynamic motion and maintain a tight seal – Resistant to varying temperatures and high rotationa…	– May require specific material selection based on application conditions – Excessive friction can lead to increased wear and heat generation – Instal…	sealchina.com
China High Pressure Rotary Lip Seals Manufacturer	High Pressure Rotary Lip Seals are bidirectional rotary seals that can bear pressure from both sides and alternating pressure. They are made with a sl…	– High pressure resistance – Wear resistance – High temperature resistance – Resistance to most chemicals – Simple groove and small dimensions – Easy…	– Requires proper installation to avoid leakage – May need specific material selection based on operating conditions – Limited to specific working spe…	www.jst-seals.com
China Oil Seal Size	Oil seals are mechanical components designed to seal oils and other fluids in various mechanical systems. They are available in different types such a…	– High sealing performance and minimal leakage – Resistant to high temperatures, abrasion, and aging – Low friction and energy consumption – Long serv…	– May require specific installation techniques – Can be affected by extreme temperatures and chemical exposure if not made from t… – Shipping costs…	www.china-oilseals.com
Rotary Shaft Seal Type of Roten 2 Mechanical …	Conical spring mechanical seals, such as the Roten 2 type, are designed to replace seals from brands like Burgmann, Vulcan, and John Crane. These seal…	– High precision and good performance – Competitive pricing due to efficient production and material sourcing – Wide application scope including clean…	– Dependent on the direction of rotation, requiring correct installation – Limited to specific operating conditions (temperature, speed, pressure) – M…	www.asinosealing.com
China Rotary Shaft Seal Manufacturers	Rotary shaft seals are designed to prevent the leakage of fluids and to keep contaminants out in various industrial applications. They are available i…	– High chemical resistance and durability – Excellent pressure stability and low friction – Customizable to fit specific application requirements – Su…	– May require specific installation and maintenance procedures – Minimum order quantities (MOQ) may apply for some manufacturers – Quality can vary de…	www.nokcn-seals.com
PS-SEAL® Rotary Shaft Seals	PS-SEAL® Rotary Shaft Seals are designed for reliable sealing of rotating shafts under high circumferential speed, high pressure, and extreme temperat…	– Useable under high pressure and in extreme vacuum – Very suitable for high circumferential speed – Excellent chemical resistance – Useable in food a…	– Not suitable for dry running in all applications (dependent on specific conditio… – Misalignment tolerance is limited to +/- 0.15mm at 10.2 m/s -…	www.garlock.com
Double Lip Rotary Shaft Metric TC Oil Seal	The Double Lip Rotary Shaft Metric TC Oil Seal is made from various materials including FKM, NBR, PU, and others. It features a double lip design with…	– Well-chosen materials and reasonable design ensure stable performance and excell… – High temperature and pressure resistance make it suitable for…	– Limited information available on the specific webpage, requiring cross-reference… – No detailed warranty or return policy information specific to…	www.dmsseals.com
China Rotary Shaft Seal and Lip Oil Seal	Rotary shaft seals and lip oil seals are designed for sealing rotary applications, preventing lubricant leakage and contamination. They are made from…	– High pressure and temperature resistance – Good abrasion and chemical resistance – Low friction and wear – Customizable sizes and materials – Preven…	– May require specific installation techniques – Can be affected by shaft surface roughness – Limited performance in extreme dry or unlubricated condi…	www.ymsealing.com

Frequently Asked Questions (FAQs)

Frequently Asked Questions About Rotary Seal Factories in China

What types of rotary shaft seals are commonly produced in Chinese factories

Chinese factories produce a wide range of rotary shaft seals, including TC, EC, and rubber oil seals. These seals can be made from various materials such as NBR, FKM, and silicone, and are designed for different applications, including industrial, automotive, and agricultural machinery.

How do I ensure the quality of rotary shaft seals from Chinese manufacturers

To ensure the quality of rotary shaft seals, look for manufacturers that have ISO 9001, ISO 14001, and other relevant certifications. Check if the suppliers are audited and have secured trading credentials. You can also request samples and review customer feedback to gauge the quality and reliability of the seals.

What is the typical minimum order quantity (MOQ) for rotary shaft seals from Chinese factories

The minimum order quantity (MOQ) for rotary shaft seals can vary, but it is commonly around 10 to 100 pieces. Some manufacturers may have lower MOQs, such as 5 pieces, while others may require larger orders. It’s best to check with the specific supplier for their MOQ requirements.

Can Chinese rotary shaft seal manufacturers customize seals according to my specifications

Yes, many Chinese rotary shaft seal manufacturers offer customization options. They can produce seals based on your own designs and specifications, including different materials, sizes, and types. This flexibility makes it easier to find seals that perfectly fit your application needs.

How do I contact and work with rotary shaft seal manufacturers in China

You can contact Chinese rotary shaft seal manufacturers through various platforms, such as Made-in-China.com, Alibaba, or the manufacturers’ official websites. Many of these companies have international trade capabilities and offer secured trading options to protect your transactions. You can also reach out to them directly via email or phone to discuss your requirements and place orders.