Valve
- Angle Gobe Valve
- Ball Valve
- Butterfly Valve
- Check Valve
- Control Valve
- Float Valve
- Gate Valve
- Globe Valve
- Plug Valve
- Quick Closing Valve
- Safety Valve
- Purpose of valve (on-off service / regulating the fluid flowrates)
- Process geometry (pipe configuration, size limitations, direction of fluid flow)
- Properties of fluid (chemical / physical properties of fluid)