Kito Flame Arrestor Elements

KITO – Flame Arrester Elements

KITO® has developed the KITO® grid – the centrepiece of our flame arrester elements – based on the principle of the Davy screen and its derivation, the ’gravel pot’.

KITO® deflagration, detonation and endurance burning flame arresters comply with the international standard DIN EN ISO 16852. They have all been systematically type approved and are supplied with a CE conformity declaration. They therefore fully comply with the European directive 2014/34/EU (ATEX 100).

Design of Kito Flame Arrester Elements

Although the Davy screen and gravel pot no longer conform to the latest requirements, the KITO® grid complies with all regulations and specifications. A KITO® grid consists of two stainless steel strips, the height of which varies depending on the design.

One flat and one corrugated stripe are wound tightly together, producing a gap of triangular section between the flat and the corrugated strip. This forms a circular element of variable diameter subject to the number of windings.

The KITO® flame arrester elements usually consist of one or more KITO® grids as well as a surrounding KITO®- casing.

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The German Code of Practice 967 issued by VdTUEV and the German Ordinance on Industrial Safety and Health clearly specify the necessity for various tank flame arresters.

Gap of Flame Arrester Elements

The gap of the KITO® flame arrester element depends on the maximum experimental safe gap (MESG) of the material being protected (a material property) but should not be used as an equivalent. There are extensive tables and documentation available about this.

Gaps for gas/air or vapour/air mixtures with unknown or deviating flashback characteristics can be determined in cooperation with test houses such as PTB; BAM or IBExU and manufactured by us. Also in such cases, the device can be CE marked through an individual verification procedure.

Supplying special designs as OEM parts or components in line with ATEX is the specialties of KITO®.

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