Calibration of Fuel Dispensing Units

• Calibration and fine-tuning of fuel dispensers to ensure accurate flow rates
• Verification against standard volume measures
• Issue of calibration certificates as required by authorities
• Routine calibration for commercial fuel stations, marina dispensers, and bulk terminals

ATG System Testing & Calibration

• Testing and recalibration of Automatic Tank Gauging (ATG) systems
• Verification of fuel level, water detection, and temperature sensors
• Float height alignment and tank chart corrections
• Integration check with remote monitoring systems or POS

Pressure Testing of Fuel Lines & Pipelines

• Pneumatic and hydraulic pressure testing of underground/aboveground fuel lines
• Leak detection and pressure drop analysis
• Compliance with UL, API, and local fuel system installation codes

Hydrotesting of Sumps, Chambers & Tanks

• Hydrostatic testing for tank chambers, fuel sumps, and valve boxes
• Flood testing and watertightness verification
• Pressure decay and retention tests to check seal integrity

Tank Tightness Testing

• Testing of underground storage tanks (USTs) for leaks or structural weakness
• Vacuum or pressure-based tightness methods as per environmental standards
• Tank test reports accepted by local fuel authorities and consultants

Electrical & Grounding System Testing

• Earthing resistance measurement using calibrated megger equipment
• Verification of continuity between fuel system components and main earth grid
• Lightning protection system testing and compliance certification

Vapor Recovery & Vent Line Testing

• Functional testing of Stage I and II vapor recovery systems
• Pressure and vacuum testing of vent lines and breather valves
• Testing for compliance with environmental emission standards

Monitoring System Integration & Inspection

• System check and calibration for:
  • Leak detection control panels
  • Line pressure sensors
  • Tank gauging dashboards
  • Alarms and cut-off systems
• Periodic site monitoring for fuel stations and marina setups

Why Choose Zahra International?

• Certified calibration & testing tools
• Skilled technicians familiar with all major brands (Veeder Root, OPW, Gilbarco, Franklin, etc.)
• Reports and certificates issued for project handover and regulatory compliance
• Coordination with consultants and third-party inspectors where required