General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China
Latest
GB/T 21283.5-2008
Scope
This part of GB/T 21283 describes the rotary shaft lip seal ring whose sealing element is thermoplastic material. The sealing element is based on thermoplastic material such as polytetrafluoroethylene (PTFE) and is made with appropriate fit. This part specifies the classification of the surface defects of the rotary shaft lip seal ring (hereinafter referred to as the seal ring) whose sealing element is thermoplastic material. These surface defects may weaken the function of the seal ring. The purpose is to facilitate the manufacturer and user to discuss these defects. Effects on different usage occasions.
GB/T 21283.5-2008 Referenced Document
GB/T 17446 Fluid Transmission Systems and Components Glossary*, 2024-03-15 Update