Viet Thang Loi Technology Company Limited (established 2008) delivers engineering solutions, certified equipment and system integration services for hazardous areas Zone 0/1/2 – IECEx, ATEX across electrical, control, instrumentation and automation systems. Our solutions are deployed in refineries, petrochemical plants, offshore platforms, FPSO, LPG terminals and pipeline facilities.

Electrical Infrastructure & Power Distribution for Ex Areas

• Ex enclosures & distribution panels: designed to IEC 60079; suitable for MCC, motor control, pump control and field interconnections.

• Explosion-protected lighting: high-performance LED luminaires built for corrosion, vibration and chemical exposure in Oil & Gas operations.

• Ex connectivity components: cable glands, junction boxes, earthing/bonding systems for Zone 1/2.

Signal Protection, Isolation & Intrinsic Safety

• Intrinsic safety isolators: galvanic/IS isolators, converters for analog/digital/HART/Fieldbus loops.

• Surge protection for instrumentation: loop protection for 4–20mA, RTD, thermocouple, discrete I/O, and industrial networks.

• Power surge protection: AC/DC surge devices conforming to IEC/EN 61643.

Instrumentation, Monitoring & Safety Systems

• Gas detection: LEL, H₂S, O₂, toxic gas monitoring with HART/Modbus/relay integration.

• Substation & equipment alarming: voltage/current monitoring, fault detection, electrical hazard alarms.

• Industrial measurement devices: pressure, temperature, level and flow measurement with robust communication interfaces.

Industrial Automation & IoT Integration

• Edge gateways: real-time field data acquisition with Ethernet/IP, Modbus TCP, OPC-UA.

• Remote monitoring: equipment diagnostics, pump/valve monitoring, thermal & vibration analysis.

• System integration: compact SCADA, outdoor control stations, energy monitoring and asset management.

Engineering & Technical Services

• Site survey & Ex inspection: hazardous area classification, equipment condition assessment, grounding and bonding verification.

• Engineering design: Ex panel design, SLD, wiring diagrams, I/O lists, FAT/SAT to Oil & Gas standards.

• Installation & commissioning: electrical, instrumentation and lighting systems installation with commissioning support.

• Maintenance & calibration: routine inspection, sensor calibration and replacement services.

Typical Oil & Gas Applications

• Pump control systems for crude, product transfer and firefighting.

• Pipeline monitoring & leak detection interface systems.

• Ex motor/valve control cabinets and field junction solutions.

• Explosion-proof lighting for jetty, tank farm and offshore modules.

• Toxic gas monitoring for cracking units, flare areas and utilities.

Contact: +84 28 3811 0510 — for technical consultation and tailored solutions.