Compared with the normal ball valve, the fully welded ball valve has a strong adaptability to the changement of pressure and temperature because the valve seat is made up of a carbonized Teflon seal ring and a disc spring. and its features are as below:
- Fully welded ball valves are with seamless pipes, which could ensure long user life.
- Free maintanance, convenient installation and smart design.
- With FPM and PTFE+C sealing material.
- Multi O-rings, to ensure the sealing.
- The long stem is available, to keep the temperature underground.
- Could be installed underground, to save space.