WCS Glossary
- Valence
- Valve
- Valve Actuators – General
- Valve Actuators Hydraulic/Electro-hydraulic
- Valve Actuators Manual
- Valve Actuators Pneumatic
- Valve Flow Coefficient
- Valve Position Indicators
- Valve Positioners
- Vapor Pressure
- Vaporization
- Variable Frequency Drive (VFD)
- Variable Speed Drive
- Velocity
- Velocity Transients
- Vena Contracta
- Venting (gases)
- Vertical Centrifugal Pump
- Vertical Inline Pumps
- Vibration
- Viscometer
- Viscosity
- Volatile Matter
- Volatility
- Volume
- Volumetric Method
- Vug