DR/ES-PTFE
In-Line Detonation Flame Arrester for stable detonations and deflagrations in right angle design with shock absorber, unidirectional
Features
Reduced Number of FLAMEFILTER® Discs
low number of FLAMEFILTER® discs due to shock absorber technology
Fastest Disassembly and Assembly
of single FLAMEFILTER®
Modular Design
allows replacement and cleaning of single FLAMEFILTER®
Explosion Safety
Provides protection against deflagration and stable detonation
Angle Bodied
saves pipe elbows
Low Costs
low operating and lifecycle costs
Function and Description
High-Tech Coating of the Housing
The PROTEGO® DR/ES-PTFE Series In-Line Detonation Flame Arresteris distinguished by its unique resistance to adhesive and corrosive media. The use of fluoroplastics as a high-tech
housing
Corpo
A housing is a solid shell, which surrounds a content, either protecting the content from external influences, or protecting the environment from the content.
coating
Revestimento
Coating is the application of a firmly adhering layer of shapeless material to the surface of a workpiece.
and as safety
flame arrester
Corta-chamas
Device fitted to the opening of an enclosure, or to the connecting pipe work of a system of enclosures, and whose intended function is to allow flow but prevent the transmission of a flame.
element is unique throughout the world. The
device
Equipamento
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.
represents a further development of PROTEGO®
Flame Arresters
Flame Arresters
A flame arrester, deflagration arrester, or flame trap is a device or form of construction that will allow free passage of a gas or gaseous mixture but will interrupt or prevent the passage of flame.
DR/ES in a right angle design that have been used and proven for decades in industry. The device protects against deflagrations and stable detonations.
Main Component – PROTEGO® Flame Arrester Unit (PTFE)
Once a
detonation
Detonação
Explosion propagating at supersonic velocity and characterized by a shock wave (EN 1127-1: 1997).
enters the Flame Arrester, energy is absorbed from the detonation shock wave by the integrated
shock absorber
Amortecedor
A shock absorber is a device that reduces the kinetic energy of a detonation.
(1) before the flame is extinguished in the narrow channel of the PTFE FLAMEFILTER® (3).
The PROTEGO® Flame Arrester Unit (2) consists of several FLAMEFILTER® discs and spacers firmly held in the
FLAMEFILTER® cage
Compartimiento dos elementos corta-chamas
The FLAMEFILTER® cage is a housing for a FLAMEFILTER® set.
(4). The gap size and number of FLAMEFILTER® discs are determined by the operating data parameters of the mixture flowing in the line (pressure, temperature).
For Explosion Group IIA
The
detonation arrester
Corta-chamas à prova de detonação
Flame arrester designed to prevent the transmission of a detonation.
can be used for
explosion
Explosão
Abrupt oxidation or decomposition reaction producing an increase in temperature, pressure, or in both simultaneously.
group IIA (NEC group D). The standard design is approved at an
operating temperature
Operating temperature
Temperature reached when the equipment is operating under design conditions.
up to +60°C / 140°F and an absolute
operating pressure
Pressão operacional
Operating pressure is the pressure existing at normal operating conditions within the system being protected.
acc. to table 3.
EU conformity according to the currently valid ATEX directive. Approvals according to other national/international regulations on request.
Product Data
Dimensiones
To select the nominal size Dimensão nominal The nominal size is an alphanumeric designation of size for components in a piping system, used for reference purposes, comprising the letters DN followed by a dimensionless integer that is indirectly related to the physical size of the bore or outside diameter of the connections, expessed in millimeters. (DN), please use the flow capacity charts on the following pages
| DN | 40 / 1½" | 50 / 2" | 65 / 2½" | 80 / 3" | 100 / 4" | 125 / 5" | 150 / 6" |
| a | 153 / 6.02 | 155 / 6.10 | 198 / 7.80 | 200 / 7.87 | 250 / 9.84 | 332 / 13.07 | 335 / 13.19 |
| b | 183 / 7.20 | 185 / 7.28 | 223 / 8.78 | 225 / 8.86 | 290 / 11.42 | 357 / 14.06 | 360 / 14.17 |
| c | 335 / 13.19 | 335 / 13.19 | 420 / 16.53 | 420 / 16.53 | 490 / 19.29 | 590 / 23.23 | 590 / 23.23 |
| c1 | 455 / 17.91 | 455 / 17.91 | 585 / 23.03 | 585 / 23.03 | 680 / 26.77 | 835 / 32.87 | 835 / 32.87 |
| d | 210 / 8.27 | 210 / 8.27 | 275 / 10.83 | 275 / 10.83 | 325 / 12.80 | 460 / 18.11 | 460 / 18.11 |
| e | 685 / 26.97 | 685 / 26.97 | 770 / 30.31 | 770 / 30.31 | 840 / 33.07 | 940 / 37.01 | 940 / 37.01 |
Dimensiones en mm / pulgadas
Selección del grupo de explosión
| MESG | Expl. Gr. (IEC / CEN) | Gas Group (NEC) |
| > 0,90 mm | IIA | D |
Special approvals upon request
Selección de la máxima presión de operación
| DN | 40 / 1 ½" | 50 / 2" | 65 / 2 ½" | 80 / 3" | 100 / 4" | 125 / 5" | 150 / 6" | ||
| Expl. Gr. | IIA | Pmax | 1.1 / 15.9 | 1.1 / 15.9 | 1.2 / 17.4 | 1.2 / 17.4 | 1.1 / 15.9 | 1.1 / 15.9 | 1.1 / 15.9 |
Pmax = Maximum allowable operating pressure in bar / psi absolut, higher operating pressure upon request
Especificación de la máx. temperatura de operación
| ≤ 60°C / 140°F | Tmaximum allowable operating temperature in °C |
| - | Designation |
higher operating temperatures upon request
Tipo de bridas de conexión
| EN 1092-1; Form B1 |
| ASME B16.5 CL 150 R.F. |
other connections upon request
Modelo y especificación
There are two different designs available:Basic
in-line detonation flame arrester
Corta-chamas à prova de detonação para tubulação
A detonation flame arrester is designed to prevent the transmission of a detonation.
DR/ES - PTFE –
In-line detonation flame arrester with
integrated temperature sensor
Sensor de temperatura integrado
Temperature sensor integrated into the flame arrester, as specified by the manufacturer of the flame arrester, in order to provide a signal suitable to activate counter measures.
* as additional protection against
short time burning
Combustão de curta duração
Stabilized burning for a specific time.
DR/ES - PTFE - T
*Resistance thermometer for device group II, category (1) 2 (GII cat. (1) 2)
Selección de materiales para la vivienda
| Design | A |
| Housing | Steel with an ECTFE coating |
| Cover with shock absorber | Steel with an ECTFE coating |
| Gasket | PTFE |
| Flame arrester unit Flame arrester unit Flame arrester casing with FLAMEFILTER® set. | A, B, C |
Special materials upon request
Combinación de materiales para la unidad apagallamas
| Design | A | B | C |
| FLAMEFILTER® cage | PTFE* | Hastelloy | Stainless Steel |
| FLAMEFILTER®* | PTFE* | PTFE* | PTFE* |
| Spacer | PEEK / ETFE / FEP | PEEK / ETFE / FEP | PEEK / ETFE / FEP |
*electrically conductive
Diagrama de flujo volumétrico
Los diagramas de flujo volumétrico han sido determinados con un banco de pruebas de caudal calibrado y certifi - cado por TÜV. El flujo volumétrico V. en [m³/h] y el CFH se refi eren a las condiciones estándar de referencia de aire según ISO 6358 (20°C, 1bar). La conversión a otras densidades y temperaturas están referidas en el Vol. 1: “Fundamentos Técnicos”.
Si tienes alguna pregunta, comentario o sugerencia, nuestro equipo de expertos estará encantado de ayudarte.
