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Under the condition of low pressure, the U-shaped Y-shaped sealing ring only relies on the interference deformation of the lip to generate the seal. Due to the small contact area, the friction force is relatively low. As the pressure increases, the elastic deformation of the lip increases, stretching, When the compression and bending stress increases, the radial pressure of the U-shaped ring automatically increases, and the length of the contact with the sealing surface continues to increase until the entire axial length of the U-shaped ring is in contact with the sealing surface, thereby ensuring good sealing performance under high pressure. The U-shaped Y-ring is the most commonly used oil seal in hydraulic cylinders. It is a typical lip seal and can obtain a good seal whether it is used for the piston or the piston rod.

The main professional processing equipment includes flat vulcanizer, injection molding machine, rubber and plastic pressurized kneader, rotorless vulcanizer, tensile testing machine...

Hengshui Hongjia Rubber Products Co., Ltd.

Tel: 15354087771

Fax: 0318-4290916

Website: https://hjrose.en.alibaba.com/

Address: Jingxian Development Zone, Hengshui City, Hebei Province