Gas installations are an indispensable part of a modern infrastructure. Regular maintenance of the systems is therefore necessary to ensure environmental and personal protection. Reliable equipment technology for gas leak detection is therefore the basis for a functioning process.
The TONI GasTest CH4 offers a solution for precise methane leak detection and safety in gas installations. The detection device is a powerful tool for gas leak detection in the ppm range, including clear documentation. It also complies with the requirements of DVGW G465-4 and TRGI (Technical Rules for Gas Installations).
Technical Regulations for Gas Installations (TRGI)
What does TRGI stand for?
The technical rules for gas installations (TRGI) are set out in DVGW (German Technical and Scientific Association for Gas and Water) Code of Practice G 600. They are the most important guidelines for gas specialists and an essential reference work for plumbers, network operators, utilities, chimney sweeps, planners and public authorities.
The TRGI provides support for:
- the planning, inspection and approval of gas pipework systems
- the correct calculation and design of risers and supply lines
- installing and ensuring a sufficient supply of combustion air for gas appliances in accordance with regulations
- the safe use, regular maintenance and servicing of pipes and gas appliances
- the proper discharge of exhaust gases in accordance with applicable standards.
The application of the TRGI makes a significant contribution to the safety of gas installations and ensures that all important requirements are implemented in accordance with the standards.
Who is authorised to work on gas installations?
According to § 13, section 2 of the Low Pressure Connection Ordinance (NDAV), work on gas installations may only be carried out by the responsible gas network operator or certified installation companies. These companies must be registered in the network operator’s gas installer directory in order to be allowed to carry out such work.
Why is it important to comply with the TRGI?
The TRGI lays down the minimum requirements for the safe operation of gas installations. Regular inspections and the rapid detection and localisation of leaks are crucial here.
Leaks often occur at the connection points of the pipes or at the connections for the gas meter. Particularly in older systems, the use of leak detection spray, for example, can cause the hemp in the screw connections to swell and ‘seal’ the area for just a few minutes. The gas then flows out of the pipe again and can thus create an explosive mixture. This happens if leaks are sufficiently large or if there is insufficient air exchange.
The TONI GasTest CH4 not only helps professionals to quickly find gas leaks, but also to assess their potential for danger in terms of environmental and personal protection, thus ensuring the safety of gas installations.
.jpg?width=100)
Gas leak detection with TONI
What makes TONI special?
The TONI GasTest CH4 uses the latest sensor technology to quickly and accurately detect leaks in the gas installation. The highly sensitive TONI is designed as a diffusion measurement device to provide precise results in the ppm and lower LEL range. The TONI GasTest CH4 with its long gooseneck is particularly useful for sections of pipe that are difficult to access.
The extent to which methane escapes depends very much on how the sensor head is held and the length of the measurement, as shown here in the illustration.
Note on the detection of gas leaks
When using diffusion devices, the guidance of the probe head with contact to the line plays a crucial role. If the sensor head is directly above the exit point, the gas collects in the sensor cap, which achieves the highest possible readings. Even at a slight distance from the leak, only a small part of the escaping gas enters the sensor head, which leads to a correspondingly low concentration display. The illustration shows a schematic of the escaping gas from a connection point.
When using a diffusion-type instrument, the measurement is made by moving the sensor head along the pipe and around the entire connection point until the maximum gas concentration is displayed.
TONI’s areas of application and advantages
Whether in domestic installations, industry or for public utilities: the TONI GasTest CH4 is highly versatile. The compact and user-friendly design, as well as an intuitive user interface, enable uncomplicated handling. In addition, the robust construction thanks to an IP64 housing ensures a long service life, even under demanding conditions in day-to-day work.