- Model NO.: TS N822
- Material: Graphite
- Trademark: Tiansheng
- Standard: Standard, Nonstandard
- Usage: Pump, Valve, Piping
- Origin: Cixi, China
Characteristic for structure:
It consists of two sets of TS N821 with leak-off rings in the middle of TS N821.
It applies to the environment with low leakage rate, the valve stem seals for isolating valves and regulating valves which with leak-off device.