Pipeline Integrity and Corrosion System
Portable pipeline integrity system for detecting coating faults, shorts, and corrosion risks, supporting ACVG and ACCA surveys to extend asset life and prioritize maintenance.
Key Features:
✔️ Detects coating holidays, faults, and shorts on buried pipelines
✔️ Supports ACVG and ACCA surveys in line with ANSI/NACE SP0502-2010 standards
✔️ Portable 25 W transmitter for field usability and mobility
✔️ Prioritizes preventative maintenance to extend pipeline service life
✔️ Can function as a full RD8100PDLG pipe and cable locator when foot removed
✔️ Measures depth of cover and captures GPS positional data for mapping
✔️ Enables early identification of corrosion risks for effective mitigation
✔️ Rugged design suitable for pipeline and utility survey environments
Pipeline Integrity and Corrosion System
The Pipeline Integrity and Corrosion System evaluates protective coating condition on buried pipelines by measuring current attenuation and voltage gradients along pipeline routes. This equipment conducts Alternating Current Current Attenuation (ACCA) and Alternating Current Voltage Gradient (ACVG) surveys conforming to ANSI/NACE SP0502-2010 standards for external corrosion direct assessment. The PCMx transmitter applies a 25-watt signal to pipeline test points, generating electromagnetic fields that propagate along the conductor. Coating defects allow current leakage into surrounding soil, creating measurable attenuation patterns and surface voltage anomalies.
The receiver unit features a detachable foot assembly containing voltage gradient sensors that measure potential differences at ground level. Operators walk pipeline corridors recording signal strength and voltage readings at regular intervals, identifying coating holidays where protective insulation has degraded or failed. The system logs GPS coordinates and depth measurements simultaneously with corrosion survey data. Removing the sensor foot converts the unit into a standard RD8100PDLG pipe locator for electromagnetic tracing operations
Oil and gas operators use the Pipeline Integrity and Corrosion System to prioritize maintenance expenditures on aging transmission infrastructure before external corrosion penetrates pipe walls. Military fuel distribution managers assess coating integrity on underground lines serving vehicle depots and aircraft refueling systems. Navy dockyard engineers evaluate protective coatings on steam and chilled water pipelines crossing shipyard facilities. Airforce petroleum pipeline operators conduct annual surveys on jet fuel distribution networks serving flight line hydrant systems and storage tank farms.
Tactical Supply Pakistan provides corrosion assessment equipment enabling pipeline operators to detect coating failures before metal loss compromises structural integrity. The company supports asset managers implementing predictive maintenance programs.
How does ACCA methodology differ from ACVG for coating assessment?
ACCA measures signal attenuation along pipeline length to identify general coating condition, while ACVG detects localized voltage gradients pinpointing specific coating defect locations requiring repair.
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