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​This seal is composed of a toothed sealing ring filled with PTFE material and an O-ring rubber ring, suitable for one-way sealing of hydraulic and pneumatic reciprocating and rotary motion. It has the characteristics of high life, low friction, good sealing, small structural space, and can be used for water pressure sealing.

The 26th China International Petroleum & Petrochemical Technology and Equipment Exhibition will be held from March 26 to March 28, 2026, at the China International Exhibition Center (Shunyi Hall) in Beijing. Ruichen Sealing will prominently showcase products including high-pressure and ultra-high-pressure seals, turned seals, and spring-energized seals.

The 4th Xuzhou International Construction Machinery Exhibition will be grandly held at the Xuzhou Huaihai International Expo Center from March 20 to 22, 2026. Ruichen Sealing will prominently showcase a range of products, including hydraulic seals, high-pressure and ultra-high-pressure seals, rotary seals, turned seals, spring-energized seals, and high-performance sealing materials.

As the year changes and new chapters unfold, Qingdao Ruichen Sealing Technology Co., Ltd. successfully held its Spring Festival Gala and Annual Awards Ceremony on February 7, 2026, themed "Uniting Our Efforts and Leading the Future with Intelligence."

The RC2059 rotary shaft combination seal consists of a modified, contoured sealing ring and an O-ring.

The RC15 V-Shaped Combination Seal for piston rods consists of a set (of at least three) V-shaped sealing rings, a compression ring, and a support ring.