BE/HR
Calota de respiro à prova de deflagração e combustão contínua

Features
Comprehensive Weather Protection
weather hood
Weather hood
A weather hood is a cover to protect the internal components of a device from environmental influences.
with protection screen protects the
PROTEGO® flame arrester unit
PROTEGO® flame arrester unit
The PROTEGO® flame arrester unit is the main component of a flame arrester. It prevents flame propagation.
against environmental impact, such as nesting animals and weather conditions
Visible Fire Indication by Tilting Weather Hood
in case of fire, the weather hood opens, allowing the flame to be seen from a far distance
Safety Against Endurance Burning
Protection against Atmospheric Deflagration and Endurance Burning
Chemically Resistant
centrally aligned
melting element
Melting element
The melting element is a component that consists of a housing with a lower and upper part.
is resistant to chemicals
Modular Design
allows replacement and cleaning of single FLAMEFILTER®
Spare Parts
cost-effective flame arrester / spare parts
Function and Description

Protection against atmospheric deflagration and endurance burning
For many years the PROTEGO® BE/HR end-of-line
deflagration
Deflagration
Explosion propagating at subsonic velocity (EN 1127-1:1997).
flame arrester has been successfully used to protect vessels and process engineering apparatus which are not pressurized. The
device
Device
A device is a pipe component that influences the media flow by opening, closing, or partially shutting off the flow channel or by dividing or mixing the media flow.
provides protection against flame transmission through atmospheric deflagration and stabilized flames which can burn for very long time on the flame arrester element surface, so called
endurance burning
Endurance burning
Stabilized burning for an unlimited time.
. Main application area is on in- and out-breathing and vent lines, with the goal to prevent flame transmission caused by endurance burning or atmospheric deflagration from propagating into the
vessel
Vessel
Container or structural envelope in which materials are processed, treated or stored.
or plant.

Main component - PROTEGO® flame arrester
The PROTEGO® BE/HR consists of a
housing
Housing
A housing is a solid shell, which surrounds a content, either protecting the content from external influences, or protecting the environment from the content.
(1), a weather hood (2) and the PROTEGO® flame arrester unit (3). During normal operation the metal weather hood is in a closed position. If a flame burns on the flame arrester element surface, the fusible link (5), located in a center position, will melt and let the
spring
Spring
A spring is a spiral of wire which returns to its original shape after it is pressed or pulled.
loaded weather hood move into the open position. The PROTEGO® flame arrester unit consists of two FLAMEFILTER® discs (4), which are installed in a
FLAMEFILTER® casing
FLAMEFILTER® casing
Enclosure for FLAMEFILTER® including insert rings.
.

For Explosion groups IIA to IIB3
The FLAMEFILTER® gap size will depend on the devices intended use. Detailing the operating conditions such as the temperature,
explosion
Explosion
Abrupt oxidation or decomposition reaction producing an increase in temperature, pressure, or in both simultaneously.
group and the composition of the fluid, enables PROTEGO® to select the best end-of-line deflagration flame arrester for your application. The PROTEGO® BE/HR series end-of-line deflagration flame arrester is available for substances from explosion groups IIA to IIB3 (NEC groups D to C MESG ≥ 0.65 mm). In a modified design, this device is also available for Ethanol applications.
The standard design can be used with
operating temperature
Operating temperature
Temperature reached when the equipment is operating under design conditions.
of up to +60°C / 140°F.
Type-approved according to ATEX Directive as well as other international standards.
Product
Product
Includes equipment, protective systems, devices, components and combinations of these.
Data and Features
Tabela de dimensões
Para selecionar o diâmetro nominal (DN), veja os diagramas de vazão nas páginas seguintes
| DN | 80 / 3" | 100 / 4" |
| a | 353 | 353 |
| b | 250 | 250 |
Dimensões em mm
Medidas de montagem para a calota de respiro com camisa de aquecimento sob solicitação
Seleção do grupo de explosão
| MESG | Gr. expl. (IEC / CEN) | Grupo gás (NEC) |
| > 0,90 mm | IIA | D |
| ≥ 0,65 mm | IIB3 | C |
Aprovações especiais sob solicitação
Tipo de conexão flangeada
| EN 1092-1; Form B1 |
| ASME B16.5 CL 150 R.F. |
Outras conexões sob solicitação
Versão e especificação
Estão disponíveis duas versões:Calota de respiro em versão básicaBE/HR - –
Calota de respiro com camisa de aquecimentoBE/HR - R
Outros dispositivos especiais sob solicitação
Seleção do material do corpo
| Execução | B | C |
| Corpo | Aço | Aço inoxidável |
| Tampa | Aço | Aço inoxidável |
| Conjunto abafador de chamas | A | A, C |
Materiais especiais sob solicitação
Combinações de material do conjunto abafador de chamas
| Execução | A | C |
| Armação do FLAMEFILTER® | Aço inoxidável | Aço inoxidável |
| FLAMEFILTER® | Aço inoxidável | Hastelloy |
| Espaçador | Aço inoxidável | Hastelloy |
Materiais especiais sob solicitação
Diagrama de vazão


Este diagrama de vazão foi determinado em uma bancada de medição de vazão calibrada e certificada pela TÜV. A vazão V em m³/h se refere ao estado técnico padrão de ar, conforme ISO 6358 (20°C, 1bar). Para conversão em outras densidades e temperaturas, veja o cap. 1: Bases técnicas.

Applications







