A tank gauging system for inventory control and overfill prevention ensures accurate measurement of liquid levels in storage tanks while enhancing safety and operational efficiency. Here are key aspects to consider:
Types of Tank Gauging Systems
- Servo Tank Gauges (STG) – High-precision systems like the Proservo gauge, ideal for bulk liquid storage, custody transfer, and high-accuracy applications.
- Radar Tank Gauges (RTG) – Non-contact guided wave radar or free-space radar for real-time level measurement, suitable for crude oil, chemicals, and LNG tanks.
- Hydrostatic Tank Gauging (HTG) – Measures liquid pressure at the tank bottom, used for mass-based inventory tracking.
- Float & Tape Gauges – Traditional mechanical systems, reliable but less accurate than radar or servo gauges.
Key Features for Inventory Control & Overfill Prevention
- High Accuracy Measurement – Essential for custody transfer and precise inventory tracking.
- Temperature & Density Compensation – Provides corrected volume measurements to account for thermal expansion.
- Real-Time Monitoring – Integration with SCADA, DCS, or cloud-based systems for continuous data access.
- Overfill Prevention System (OPS) – High-level alarms and automatic shutdown functions to prevent spills.
- Redundant Alarms & Safety Compliance – Meeting standards like API 2350 for overfill protection.
Applications
- Oil & Gas Terminals – Custody transfer and stock reconciliation.
- Chemical Storage – Ensures safe handling of hazardous liquids.
- LNG Tanks – Cryogenic applications with special radar systems.
- Refineries & Petrochemical Plants – Inventory management for process optimization.