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We have found 16 product types of 密封件 and 3 related suppliers. Get the most detailed machinery information and contact the manufacturers directly.
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X-Ring
X-Ring

Categories : Industrial Parts & Safety Gear

X-Rings (Quad-Rings) – High-Performance Sealing Solution X-rings, also known as Quad-rings, are high-performance elastomer sealing rings with an X-shaped cross-section. Designed as an advanced O-ring alternative, X-rings provide superior sealing reliability in both static and dynamic sealing applications. Featuring four sealing lips, X-rings deliver clear performance advantages: Minimize leakage and ensure reliable sealing even under pressure fluctuations Enhance pressure stability, improving system safety and consistency Increase sealing efficiency while reducing wear and maintenance costs Extend service life in dynamic applications with movement and friction Trusted solution for hydraulic systems, pneumatic equipment, automotive sealing, and industrial machinery Manufactured from materials such as NBR, FKM (Viton® equivalent), and EPDM, X-rings offer excellent chemical resistance, durability, and elasticity across a wide temperature range, making them ideal for demanding industrial environments.

V-Ring
V-Ring

Categories : Industrial Parts & Safety Gear

A V-ring is a critical axial elastomer seal engineered to protect bearings and mechanical components from external contamination. Unlike conventional oil seals, the V-ring mounts directly onto the rotating shaft and seals against the counterface (housing), providing a highly effective, flexible, and maintenance-friendly sealing solution for modern machinery. Key Benefits of V-Rings: Superior Contamination Barrier: Prevents ingress of dust, dirt, sand, and water splashes, preserving lubricant purity. Low Friction & Long Service Life: The flexible V-shaped lip applies minimal contact pressure, reducing energy loss, heat generation, and wear on the counterface. Self-Centering Design: Mounted with an interference fit, the V-ring rotates with the shaft, using centrifugal force to deflect liquids and debris away from the seal. Ease of Installation: No specialized tools or tight housing tolerances required, ideal for new equipment and MRO applications. Dry Running Capability: Performs reliably even in applications with minimal or intermittent lubrication.

U-Cup
U-Cup

Categories : Rubber Products & Parts

U-Cups (U-rings) are versatile lip seals, named after their characteristic "U"-shaped cross-section. They are specifically engineered for reciprocating applications and serve as primary seals in hydraulic and pneumatic cylinders. Key Performance Benefits Pressure-Energized Sealing: The U-shape enables the sealing lips to expand against the hardware surface under system pressure. As the pressure increases, the sealing force proportionally grows, ensuring a reliable seal. Dual-Purpose Design: U-Cups function effectively as Rod Seals (preventing external leakage) and Piston Seals (preventing internal bypass between cylinder chambers). Optimized Friction: The lip geometry provides a secure seal with minimal contact area, reducing heat generation and mechanical wear during operation. Synergy with Back-up Rings High-Pressure Integrity: For systems operating above 5 MPa (50 bar), pairing a U-Cup with a back-up ring is essential to prevent material extrusion into clearance gaps. Structural Support: The back-up ring stabilizes the U-Cup in dynamic applications, particularly when large extrusion gaps or high-speed cycles are present. Common Industry Materials Polyurethane (PU): Offers superior abrasion resistance and high shear strength, ideal for heavy-duty hydraulic systems. Nitrile (NBR): Standard choice for pneumatic cylinders and lower-pressure environments. PTFE / POM: Often used for back-up rings to provide high-hardness support.

Washer
Washer

Categories : Maintenance & Lubrication

High-Performance Alternative to Standard O-Rings Our precision-engineered rubber washers—also known as square-cuts, lathe-cuts, or square-rings—feature a rectangular cross-section designed for superior sealing integrity. While they follow the AS 568 size standards and groove designs, their geometry offers enhanced stability and longevity compared to traditional O-Rings, making them the ideal choice for high-pressure and critical applications. Why Choose Rubber Washers? While O-Rings are versatile, Rubber Washers provide distinct mechanical advantages in specific environments: Superior Pressure Resistance: The rectangular profile handles higher pressure loads without extrusion. Enhanced Stability: Higher groove-fill rate prevents the seal from sliding, twisting, or spiraling during operation. Precision Engineering: Mold parting lines can be strategically placed away from sealing surfaces, ensuring a burr-free finish and tighter dimensional tolerances. Versatile Motion: While primarily used for static seals, they are highly effective for piston and rod seals.

Rubber Cord
Rubber Cord

Categories :

A rubber cord is a solid, round elastomer profile manufactured through a high-precision extrusion process. Unlike molded O-rings with fixed sizes, rubber cords are supplied as continuous stock, allowing for the creation of seals in virtually any circumference. When to Use Rubber Cord: Non-Standard Sizes: Ideal when standard O-ring sizes are unavailable. Large Diameter Seals: Perfect for sealing large tanks, lids, or industrial housings. Rapid Maintenance: Facilitates immediate on-site repair and replacement, minimizing downtime. Prototyping: A cost-effective solution to test custom sealing designs before investing in molds.

C-1 Metric
C-1 Metric

Categories : Rubber Products & Parts

C-1 Metric O-Ring Kit The C-1 Metric O-Ring Kit is a comprehensive assortment designed to meet a wide range of industrial sealing requirements using metric sizes. This kit provides convenient access to the most commonly used metric O-rings, making it ideal for maintenance, repair, and service applications. All O-rings are manufactured with consistent quality and dimensional accuracy to ensure reliable sealing performance in hydraulic, pneumatic, and general industrial systems. The assortment is neatly organized in a durable case, allowing for quick identification, easy selection, and efficient on-site use. Key Features Complete metric size O-ring assortment Suitable for hydraulic, pneumatic, and industrial sealing High consistency in size and material quality Organized case for easy identification and handling Ideal for maintenance, repair, and spare part management Applications Hydraulic systems Pneumatic equipment Industrial machinery Maintenance and service operations The C-1 Metric O-Ring Kit is a practical and reliable solution for professionals who require quick access to metric O-rings and dependable sealing performance in daily operations.

O-Ring
O-Ring

Categories : Industrial Parts & Safety Gear

O-Ring seals are used to prevent the leakage of liquids or gases and are widely applied in industrial settings. They have many key features and advantages: Wide Range of Applications: Excellent adaptability allows reliable sealing solutions under a broad range of pressures, temperatures, and tolerance conditions. Easy Installation and Maintenance: Simple design, no need to apply sealant or perform secondary tightening during installation, greatly simplifying maintenance. No Precise Torque Required: Installation does not require specific torque, reducing the risk of damage from over-tightening. Lightweight and Space-Saving: Compact and lightweight, helping users maximize available space. Reusability: In many applications, O-Rings can be reused, providing advantages over other sealing options. Predictable Lifespan: Under proper conditions, the product's lifespan corresponds to the natural aging cycle of the rubber material, making it easier to predict. Failure Modes Are Easy to Identify: O-Ring failures are typically gradual, facilitating detection and preventive maintenance. Stable Sealing Performance: O-Ring design allows direct contact with metal parts, with sealing efficiency unaffected by minor compression variations. Cost-Effective: Simple structure and high production efficiency make O-Rings an economical yet high-performance sealing choice. Standard Sizes: US Standard: AS-568 Pan-European / Metric Standard: METRIC (DIN/ISO) Japanese Industrial Standard: JIS B2401 (P/G/S/V Series) Japanese Automotive Standard: JASO F404 British Standard: BS 4518 Swedish Mechanical Standard: SMS 1586 Chinese National Standard: GB/T 3452.1 Various Non-Standard Sizes

C-2 AS 568
C-2 AS 568

Categories :

AS-568 O-Ring Kits – The Ultimate Solution for Fast & Reliable Maintenance Precision-Sorted Assortments for Industrial, Automotive & Aerospace Applications Our AS-568 O-Ring Kits are professionally engineered to deliver a complete, well-organized sealing solution for maintenance, repair, and emergency replacement needs. Each kit includes a carefully selected range of the most commonly used AS-568 O-ring sizes, allowing technicians to respond quickly and minimize costly downtime. Designed for reliability across industrial, automotive, hydraulic, and aerospace systems, our AS-568 O-Ring Kits ensure consistent sealing performance, efficient inventory management, and immediate availability when operational continuity is critical.

KIT-407
KIT-407

Categories : Rubber Products & Parts

KIT-407 O-Ring Kit – A Complete Assortment for Industrial Maintenance & Repair The KIT-407 O-Ring Kit is designed to provide a practical and reliable sealing solution for industrial maintenance, repair, and emergency service applications. This kit includes a carefully selected assortment of commonly used O-ring sizes, ensuring quick access to the right seal when minimizing downtime is critical. All O-rings in the KIT-407 are manufactured with consistent material quality and precise dimensional control, delivering dependable sealing performance in hydraulic, pneumatic, and general industrial systems. The organized layout allows for fast identification, efficient handling, and improved inventory management, making the KIT-407 an ideal choice for MRO professionals and service technicians.

JIS P/G
JIS P/G

Categories : Rubber Products & Parts

JIS P / G O-Ring Kit – Reliable Sealing Solutions for Japanese Standard Applications The JIS P / G O-Ring Kit is specifically designed in accordance with JIS (Japanese Industrial Standards), covering both P-series and G-series O-ring sizes. This comprehensive kit provides an efficient and well-organized sealing solution for maintenance, repair, and emergency replacement in Japanese-standard equipment. Each kit includes a carefully selected assortment of the most commonly used JIS P and G size O-rings, ensuring quick access to the correct seal when minimizing downtime is critical. Manufactured with consistent quality and dimensional accuracy, these O-rings deliver reliable sealing performance in hydraulic, pneumatic, automotive, and general industrial systems. The organized storage case allows for easy identification, fast selection, and efficient inventory management, making the JIS P / G O-Ring Kit an essential tool for professional maintenance and MRO operations.

Gasket
Gasket

Categories : Rubber Products & Parts

A gasket is a mechanical seal placed between two stationary surfaces to create a leak-free joint when compressed. Unlike O-rings or washers, gaskets are typically utilized in flat or flanged connections where a larger surface area requires uniform pressure distribution.   Why Choose Our Sealing Technology? Leak-Free Integrity: Engineered to compensate for surface irregularities, ensuring a 100% tight seal. Extreme Resistance: Formulated to withstand high pressure, corrosive chemicals, and thermal cycling. Extended Service Life: Durable materials reduce maintenance frequency and total cost of ownership.

D-Ring
D-Ring

Categories : Industrial Parts & Safety Gear

A D-Ring is a high-performance mechanical seal with a distinctive "D"-shaped cross-section, featuring a flat base and a curved sealing face. This innovative geometry combines the effective sealing properties of an O-ring with the enhanced stability of a square ring, making it an ideal solution for preventing spiral failure, extrusion, and dynamic leakage in rotary and reciprocating applications. D-Rings deliver reliable performance under high pressure, dynamic motion, and challenging industrial conditions, ensuring long service life and minimal maintenance.