Among various shaft seal types, TC and SC rubber oil seals are the most widely used in all kinds of motors, from small household motors to industrial servo motors, reduction motors, and heavy-duty industrial motor equipment.

Step seal is a two-piece composite hydraulic seal made of filled PTFE ring and elastic rubber O-ring, featured with high pressure resistance, anti-extrusion and low friction, widely used for hydraulic piston rod sealing of construction, mining and metallurgy equipment.

O ring leakage is a common fault in equipment operation, which may lead to equipment failure, production shutdown, increased maintenance costs, and even safety accidents.

FFKM O-Rings are high-performance perfluoroelastomer seals designed for critical industries. With almost universal chemical resistance, wide temperature tolerance (-20℃~320℃) and high purity, they replace premium brands like DuPont Kalrez at 25%-30% lower cost. Ideal for semiconductor, pharmaceutical, petrochemical and aerospace applications, these seals ensure long-term reliability in harsh corrosive, high-temperature or high-vacuum conditions. FOREVER SEALS offers standard (AS568/ISO 3601) and custom sizes with quick delivery.

O-rings and oil seals are the most fundamental yet critical sealing components for mechanical equipment. Even high-end machinery can suffer from leakage, shutdown, and premature wear due to improperly selected seals. The key to long service life and stable equipment operation is not choosing the most expensive seal, but matching the right seal material and structure according to actual working conditions.

Spring energized seals consist of PTFE shell and stainless steel spring. With continuous spring preload to compensate wear automatically, they resist extreme temperature, strong acid & alkali and various organic solvents. Suitable for vacuum, high pressure and cryogenic working conditions, widely used in new energy, petrochemical, pharmaceutical, aerospace and semiconductor for static & dynamic sealing. Custom materials and sizes are available at FOREVER SEALS.

Our high-precision O-rings deliver reliable static and dynamic sealing. Made of diverse premium materials, they adapt to extreme conditions across industries, featuring zero leakage, high durability and customizable specs for industrial applications.