- Model NO.: TS N820
- Material: Graphite
- Trademark: Tiansheng
- Standard: Standard, Nonstandard
- Usage: Pump, Valve, Piping
- Origin: Cixi, China
Characteristic for structure:
It consists of three nuclear grade flexible graphite rings with special shape.
It applies to the valve stem seals for stop valves, isolating valves and regulating valves in nuclear power plant with the requirement of low leakage rate.