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Gas Safety Engineering

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Gas non-return valves

Gas Safety Engineering

Safety devices, gas non-return valves and gas hose couplings

All safety devices and gas hose couplings are design type-tested and are subject to constant production monitoring by neutral test institutes, such as BAM and UL. The safety devices in accordance with EN730-2 (check valves and flashback-resistant gas non-return valves) are tested by BAM and approved by DVGW.

As worldwide leading manufacturer we supply gas safety devices and gas hose couplings with worldwide standardized thread and hose connections. We offer the IBEDA testing unit, type PV-GD, for testing of gas safety devices for gas return and gas flow according to the country specific regulations.

Safety devices in accordance with EN730-1 come with integrated flame arrestor stopping a flashback also when using fuel gas and oxygen mixtures, for example acetylene/oxygen mixtures.

Safety devices in accordance with EN730-2 are configured without integrated flame arrestor. They stop a flashback when using fuel gas and compressed air mixtures (not flashback-resistance when using acetylene as fuel gas).

Gas non-return valves (check-valves) in accordance with EN730-2 prevent reverse flow of gas. They are not designed to stop flashbacks.

  Products Flashback
arrestors
Gas non-
return valves
Check valves
  Standard EN730-1 EN730-2 EN730-2
  Flame arrestor yes no no
Prevention of reverse
flow of gas
Technical gases yes yes yes
Resistance against
flashback
Fuel gas/compressed air mixture yes except Acetylene no
Fuel gas/oxygen mixture yes no no

Gas safety devices according to EN 730-1 / ISO 5175 (flashback arrestors with integrated flame arrestor) for welding, cutting and allied processes.

IBEDA flashback arrestors are manufactured to international standards (EN 730-1 / ISO 5175) and regulations (TRAC207 - flashback arrestors) and are independently certified by leading institutes like the German BAM and the American UL. All flashback arrestors are 100% tested according to EN 730-1 / ISO 5175. The function of the flame arrestor, the gas non-return valve and the leak-tightness is tested. During the testing process, the integrated flame barrier is subjected to a flashback with the most explosive gas mixture at its maximum pressure.

IBEDA offers a special testing device for the annual inspection of safety devices which is to be conducted in accordance with country specific regulations on flow rate, gas non-return and leak tightness. The PVGD is an easily handled testing unit designed to provide quick and uncomplicated testing.

As worldwide leading manufacturer we supply gas safety devices with worldwide standardised thread and hose connections.

The IBEDA product range on gas safety devices (flashback arrestors with flame arrestor) according to EN730-1 or ISO5175 are used in different various industries. The flashback arrestors can be used on single cylinders (regulator mounted), on torches as well as on cutting machines. Furthermore, it is the ideal protection at cylinder regulators, distribution lines, tapping points and gas distributors (board connection block). The flashback arrestors (FBA) offer a gas non-return valve (check valve), a flame arrestor (flame barrier) as well as a thermal cut-off valve. The IBEDA flashback arrestor (FBA) is suitable for all standard gas types. These arrestors with multiple safety functions provide optimal protection against flashback, gas return and additionally against burnback if the safety device type includes a thermal cut-off valve.

IBEDA gas non-return valves (safety devices) in accordance with EN730-2 (without integrated flame barrier) applicable as check valves for thermal processes that are operated with mixtures of fuel gas and air, or as flashback-resistant gas non-return valves.

All safety devices according to EN730-2 (check valves and flashback-resistant non-return valves) are tested by BAM in Berlin and are DVGW certified. The valve systems are specially developed for low cracking pressures of about 4 mbar. The gas non-return valves reliably prevent the reverse flow of gas.

Flashback-resistant valves additionally stop flashbacks if fuel gas and compressed air mixture is used. All check valves and flashback-resistant gas non-return valves are subjected to a 100% quality test. The leak-tightness and the function of the gas non-return valve are tested.

The check valves, as well as the flashback-resistant gas non-return valves are used to protect thermal process plants to EN746-2, pipeline systems, and tapping points.

Gas hose couplings (Gas quick-action couplings) according to EN 561 or ISO 7289 for welding, cutting and allied processes. IBEDA quick connectors come in three different gas connections for fuel gas (acetylene, propane, natural gas, hydrogen), oxygen and inert gas (CO2, argon, nitrogen).

All gas hose couplings are design type-tested and are subject to constant production monitoring by neutral test institutes, such as BAM. They are submitted to a 100% quality test. The leak-tightness at maximum working pressure and the function of the integrated gas non-return valve are tested. We supply gas safety devices and gas hose couplings with worldwide standardised thread and hose connections.

The IBEDA product portfolio on gas hose couplings (quick connectors) has been proven for decades already. The quick-action couplings are quick and easy to install and a gastight connection can be created without using any tool. The quick couplers are available in different versions. Owing to conformance with the standards EN 561 and ISO 7289, IBEDA hose couplings are compatible with standard systems worldwide. Furthermore we offer quick couplings for high flow rates. Design-type tests and special voluntary tests by the Federal Institute for Materials Research and Testing (BAM) prove the outstanding quality of the IBEDA manufactured couplings.

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IBEDA Gas Safety Engineering – Industries

Welding and cutting

Welding and cutting

Gas safety engineering in the welding and cutting sector

The welding and cutting sector is part of the conventional application areas of gas safety engineering.

Autogenous welding and cutting may generate hazardous fuel gas mixtures such as acetylene, propane, butane, and hydrogen, city gas, grid gas and natural gas with oxygen or compressed air. Appropriate safety equipment prevents the generation of hazardous mixtures and stops flashbacks.

Safety devices and gas hose couplings are utilized on single cylinders, tapping points or consumer equipment such as welding and cutting burners or cutting machines.

Autogenous welding and cutting is used mainly during the assembly and installation in a variety of industrial and technical areas such as mechanical engineering, aircraft industry, shipbuilding, construction industry and the energy sector.

Stahlindustrie

Steel industry

Gas safety engineering in the steel industry

Any time steel is deformed or processed, it is also heated up, annealed or welded.

These processes require heating burners and welding burners that must be secured using safety devices (flashback arrestors or single cylinder arrestor). Depending on the size of the heating burner or system, safety devices with various capacities are being used. When using gas quick-action couplings, a variety of equipment can be easily exchanged.

Glasindustrie

Glass industry

Gas safety engineering in the glass industry

IBEDA burners systems operate with acetylene, natural gas and propane in combination with compressed air or oxygen and are utilized in fire polishing, during glass forming, glass blast-off, and melting processes. As in all other applications, gas safety engineering is mandatory.

IBEDA safety devices and gas quick-action couplings have been successful in the tough environment of the glass industry.

 

Offshore

Offshore

Gas safety engineering in shipyards and offshore applications

IBEDA customers are not only manufacturers and operators of drilling and rig plants, shipyards, wind power plants, drilling platforms, and pipelines but come also from other areas such as the energy sector. Those customers trust IBEDA gas safety technologies. IBEDA safety equipment and gas hose couplings are made of brass or stainless steel and are renowned for their exceptional durability.

When it comes to the quality of safety devices and gas hose couplings, shipyards and the offshore industry set the bar high in order to prevent or eliminate accidents and shut-downs.

Gashersteller

Gas manufacturers

Safety fittings for gas manufacturers

All renowned gas manufacturers are part of the IBEDA client base

IBEDA supplies high-pressure gas shut-off valves, quick-action shut-off devices and decomposition arrestors, all of which are used in gas manifold systems. A number of diverse special products for the discharge of gases has been developed in cooperation with our customers. Safety devices and gas hose couplings ensure the safe flow of the gas.

Flammspritzen

Flame spraying

Safety engineering for flame spraying guns

When it comes to providing safety for flame spraying guns and safety equipment, many years of experience in the manufacturing of these devices makes IBEDA your ideal contact. What is important, is the proper use of the safety devices compliant with the required gas flows and pressures.

Safety devices and gas couplings for thermal spray guns

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