Professional O-Ring and Oil Seal Manufacturer, Sealing Solution Supplier Since 2008.
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FOREVER SEALS specializes in the research, development, production and sales of industrial sealing parts, providing a diverse product line including ISO-standard products and customized sealing solutions. We use high-performance materials such as PTFE, FKM, etc. to ensure that seals work stably in extreme temperature and pressure ranges (-200°C to 300°C, vacuum to 100MPa+). Our products cover O-rings, hydraulic seals, pneumatic seals, etc., and are widely used in chemical equipment, engineering machinery, automobile manufacturing and other industries. At the same time, we provide OEM/ODM services from design to production to meet the personalized needs of customers.
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Forever Seals FKM UL94 Flame Retardant O-Ring is designed for high-temperature, flammable and high-risk industrial environments. Made of high-grade FKM fluororubber with professional UL94 flame retardant formula, it features excellent self-extinguishing, heat resistance and chemical stability. It can effectively inhibit flame spreading and resist oil and medium corrosion, delivering stable elastic performance and accurate dimensions to provide safe, long-term sealing protection for fire prevention equipment.
Forever Seals FKM90 AED O-Ring is a high-performance sealing component engineered for extreme industrial scenarios. Featuring 90 Shore A hardness FKM fluororubber with AED reinforcement, it excels in anti-burst and anti-tear capabilities, resisting pressure spikes up to 50 MPa and repeated mechanical stress. Compatible with oils, fuels, and most chemicals, it operates reliably from -20℃ to 200℃, with precise sizing (ISO 3601-1 compliant) and low compression set, delivering long-lasting sealing for critical equipment.
PU Polyurethane O-rings feature high wear resistance, excellent anti-extrusion performance and high pressure resistance. Widely used for hydraulic cylinders, construction machinery and heavy duty hydraulic sealing systems.
A rotary spring-energized seal is a dynamic rotary sealing solution where a metallic or polymer spring continuously presses a flexible sealing element (commonly PTFE or filled PTFE) against a rotating shaft to maintain tight contact under changing pressure, speed, and alignment. This design delivers high-performance sealing with low friction and wear, excellent chemical and temperature resistance, and long service life for demanding applications such as pumps, compressors, mixers, and subsea equipment.
Crafted from certified food-safe white fluororubber, this FKM gasket is purpose-built for hygienic sealing in food production, processing, and packaging systems. Engineered to meet global food safety standards, it delivers reliable sealing under repeated sterilization, frequent cleaning, and exposure to food media, oils, and sanitizers—ensuring zero contamination, long service life, and stable performance for sanitary equipment.
Floating seals, also known as floating oil seals or duo-cone seals, are high-performance mechanical face seals specifically designed for heavy-duty, harsh working environments.
This FKM-based TC60-80-8 skeleton oil seal is a high-performance rotary sealing component. With high-performance fluororubber as the core material, it combines reinforced skeleton and precision spring, providing excellent sealing performance for heavy-duty mechanical rotating parts.
Excellent static and dynamic sealing performance, low friction, stable operation without crawling.
Our semi-finished polyurethane material PU tube is designed for industrial applications, offering a durable and versatile solution for various uses. With excellent resistance to chemicals, abrasion, and wear, this tube is perfect for demanding environments where reliability is crucial.
This high-quality DSBC seal kit is precision-made for Festo DSBC ISO 15552 standard cylinders. Made of durable PU/NBR/FKM, it includes piston seal, rod seal, wiper seal and O-rings, solving air leakage, poor pressure retention and dust issues.
Our semi-finished polyurethane material PU tube is designed for industrial applications, offering a durable and versatile solution for various uses. With excellent resistance to chemicals, abrasion, and wear, this tube is perfect for demanding environments where reliability is crucial.
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