EV/VS, EV/VD
Flame Arrester Unit for vacuum pumps, compressors and blowers

Features
Design modular
Permite a substituição e a limpeza de FLAMEFILTER® individual
Diferentes séries
Permitem aumentar o tamanho do FLAMEFILTER® para uma determinada conexão flangeada, resultando em menor perda de carga no dispositivo
Peças de reposição
Peças de reposição com excelente custo-benefício
Versatilidade de aplicações
Possibilidade de diversas aplicações
Aço inoxidável ou Hastelloy
Todas as peças relevantes para a função e em contato com o produto são fabricadas em aço inoxidável ou Hastelloy
Possibilidade de sensores de temperatura
É possível utilizar sensores de temperatura para G 1½ e G 2
Function and Description

Against the Propagation of Explosions
EV/VS and EV/VD Flame Arrester Units provide manufacturers of
vacuum
Dépression
Vacuum is the pressure in an enclosed space that is lower than the ambient pressure.
pumps, blowers and compressors with a cost-effective protection for their machines. The high flow velocities in the small gaps of these machines can lead to undesirable ignitions within the
housing
Corps
A housing is a solid shell, which surrounds a content, either protecting the content from external influences, or protecting the environment from the content.
. One of the safest measures against explosion propagation are Flame Arrester Units that are installed on the inlet and outlet side of the machines.
Main Component – PROTEGO® Flame Arrester Unit
EV/VS for inlet (vacuum side) and EV/VD for outlet (pressure side) are Flame Arrester Units without housing. They are designed modular providing each manufacturer of blowers, vacuum pumps or similar devices the option of using optimized, adapted, and cost-effective Flame Arrester Units. Our expert technical staff will assist you with the proper selection of the devices as well as execution of type testing.

For Explosion Groups IIA to IIC
EV/VS and EV/VD Flame Arrester Units are modular in design and consist of several FLAMEFILTER® (1) installed within the
FLAMEFILTER® cage
Cage d'éléments arrête-flammes
The FLAMEFILTER® cage is a housing for a FLAMEFILTER® set.
(2). The number of FLAMEFILTER® and the gap size depend on the intended use. Both types have a threaded nozzle for temperature sensors. EV/VS and EV/VD Flame Arrester Units are available for explosion groups from IIC to IIA (NEC groups B to D) and special gases such as Ethylene oxide.
Product Data
Tabela de dimensões
Dimensões em mm
Selection of FLAMEFILTER® gap
| FLAMEFILTER® gap |
| 0.7 mm |
| 0.5 mm |
| 0.3 mm |
| 0.2 mm |
If you have any questions regarding the selection of the FLAMEFILTER® (number and gap width), our trained specialists will be happy to advise you.
Material flame arrester unit
| Design | A | B | C |
| FLAMEFILTER® cage | Steel | Stainless steel | Hastelloy |
| Gasket | PTFE | PTFE | PTFE |
| FLAMEFILTER® Set | A, B | B | C |
Special materials upon request
Combinações de material do conjunto abafador de chamas
| Design | A | C | D |
| FLAMEFILTER® * | Stainless steel | Stainless steel | Hastelloy |
| Spacers | Stainless steel | Stainless steel | Hastelloy |
* the FLAMEFILTER® is also available in the materials Tantalum, Inconel, Copper, etc. when the listed cage materials are used.
Special materials upon request


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