BTGA Series

Ballast Tank Combustible Gas Alarm Monitoring System

In accordance to SOLAS (2000 Amendments) MSC 99(73):Part B, Reg. 4-5.7.2 Requirements for Double Hull & Double Bottom Space.

Principle of Operation:

A multi-detection type gas alarming system design for detecting combustible gas using catalytic combustion principle. Each system consists of the detection, alarm and meter unit tailor-made to customer requirement.

When combustible gas levels fall higher than set for the alarm (usually 10% of L.E.L - Lower explosion limit) is detected, the lamp and buzzer will be activated.


Developed for Ballast Tank Combustible Gas Alarm and monitoring purposes. The system is designed to withstand the extreme environmental conditions on a ship's ballast tanks, which meets terminal requirements of all oil major.

Suitable for marine and offshore installers like chemical parcel tankers, chemical/product tankers, oil tankers, FSO, FPSO etc. Land-based system catered for the petrochemical, refinery and process installations are available.


  • High reliability.
  • Easy to operate.
  • Multi-channels.
  • Flow fail alarm.
  • Easy installation.
  • Easy maintenance.
  • Ex-proof by Class NK

Type/Class Approval:

  • Class NK
  • Lloyd's Register
  • Det Norske Veritas (DNV)
  • American Bureau of Shipping (ABS)