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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Our O - type spring - energized seals utilize an innovative design where the spring energizes the sealing ring, providing excellent adaptability to sealing surfaces, compensating for misalignments and delivering superior sealing performance across various working conditions.
This X-ring-enhanced MPS seal offers versatile hole-shaft sealing: it works for low-to-high pressure, minimizes wear, and adapts to common industrial pneumatic/hydraulic applications (speed ≤0.5m/s).
The Skeletonless PU Wiper Seal Type J is a high-performance sealing component crafted from polyurethane, designed to block dust, particles, and other foreign contaminants from entering hydraulic cylinders, effectively protecting reciprocating piston rods and extending equipment service life.
These NBR O - ring kits offer a comprehensive range of metric - sized O - rings. Ideal for sealing and maintenance tasks, they provide convenient solutions for various industrial and mechanical applications.
OKC oil seals, crafted from premium rubber, deliver reliable sealing for hydraulic and pneumatic systems. Their robust design ensures excellent leakage prevention, enhancing equipment efficiency and durability across industrial applications.
OUY Hydraulic Seal is a high-quality oil seal for heavy industry and machinery, serving as a core component for excavators with excellent sealing and durability. It offers wear/corrosion resistance, high-pressure adaptability, and multi-scenario sealing (piston/dust-proof). It reliably supports long-term operation of construction excavators and general machinery hydraulic systems.
Designed specifically for hydraulic cylinders, the IDI-style piston rod seal made of polyurethane delivers robust sealing performance—its U-shaped structure with dual-lip design forms a strong barrier against leaks, while compatibility with backup rings prevents extrusion, making it suitable for heavy-duty scenarios.
The TG4 skeleton oil seal is an advanced sealing solution featuring external circular threads and 3 built-in lips, delivering superior anti-leakage (both internal and external) and dust-proof performance, widely suitable for industrial machinery, automotive systems, and hydraulic equipment.
Engineered for automotive, manufacturing, and heavy-duty industrial machinery, this Rotary Seal ROI features a low friction coefficient and durable PU construction, effectively preventing fluid or gas leakage in high-pressure rotating applications while boasting an extended service life.
The Pneumatic Sealing DK Buffer-Type Integral Piston integrates sealing and guiding functions, featuring a double U-seal and metal skeleton bonded structure. It is rubber-coated for corrosion resistance, compatible with oil-lubricated and initially lubricated oil-free air, and operates smoothly with low friction.
The HBY combined buffer polyurethane seal ring is a high-performance sealing solution tailored for construction machinery and hydraulic equipment, integrating a polyurethane seal ring with POM/PA backup rings to deliver exceptional pressure resistance (up to 50MPa) and wear resistance.
This high-performance COMBI combination oil seal features a polyurethane (PU) dust lip, delivering exceptional resistance to external contaminants like dust, dirt, and debris while reliably preventing internal oil leakage, making it ideal for harsh working environments.
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