Protego BR

P/EB-E

Pressure Relief Valve deflagration- and endurance burning-proof

Features

Extrema estanqueidad
Lo que se traduce en las menores pérdidas posibles de producto y en una reducción de la contaminación ambiental
Mantenimiento óptimo de la presión
Presión de tarado próxima a la presión de apertura para un mantenimiento óptimo de la presión en el sistema
Plato de válvula guiado
El plato de válvula va guiado dentro del cuerpo para protegerlo frente a condiciones meteorológicas adversas
Sistema de protección conforme a ATEX
Puede utilizarse como sistema de protección en zonas con atmósferas potencialmente explosivas según ATEX
Protegido para mezclas de alcohol/aire
Protegido contra deflagraciones y combustión prolongada de mezclas alcohol/aire del grupo de explosión IIB1 y para productos hasta el grupo de explosión IIB3 (grupo C según NEC, MESG ≥ 0,65 mm)
Seguridad contracombustión prolongada
Protección contra deflagraciones atmosféricas y combustión prolongada
Apagallamas integrado
La unidad apagallamas PROTEGO® integrada ahorra espacio y peso y reduce costes
Diseño modular
Permite la sustitución y limpieza de los discos de filtro FLAMEFILTER® de forma individual
Function and Description

Highly Developed Pressure Relief Valve

The Deflagration-Proof and Endurance-Burning-Proof P/EB-E Type PROTEGO® valve is a highly developed pressure relief valve for large flows with an integrated Flame Arrester Unit that is specifically designed for use in ethanol production, processing, and storage. It is primarily used as a device for flame transmission-proof out-breathing on tanks, containers, and process equipment. The valve offers reliable protection against overpressure and prevents product losses almost up to the set pressure, while at the same time protecting against atmospheric deflagration and endurance burning if stabilized burning occurs. The PROTEGO® Flame Arrester Unit is designed to achieve minimum pressure drop with maximum safety. The P/EB-E valve is available for substances of explosion group IIB1 (MESG ≥ 0.85 mm) and provides specific protection against deflagration and endurance burning of alcohol/air mixtures (such as Ethanol/air).

Advanced Manufacturing Technology

The valve functions proportional, so the set pressures should be selected in relation to the proportional behavior (such as a 10%, 40%, or 100% overpressure from the set pressure to the relieving pressure at which the required flow performance is reached). The tank pressure is maintained up to the set pressure with a tightness that is far above the usual standards due to our state-of-the-art manufacturing. This feature is ensured by the valve seats made of high quality stainless steel and with individually lapped valve pallets (1), or with an air cushion seal (2), in conjunction with high quality FEP diaphragm. The valve pallets are also available with a PTFE seal to prevent the valve pallets from sticking when sticky substances are used and to enable the use of corrosive fluids. After the overpressure is released, the valve re-seats and provides a tight seal.

Many Individual Certifications

If the set pressure is exceeded, explosive gas/product vapor/air mixtures are released into the atmosphere. If this mixture ignites, the integrated PROTEGO® Flame Arrester Unit (3) prevents flame transmission into the tank. If additional mixture continues to flow and stabilized burning occurs, the integrated Flame Arrester Unit prevents flashback as a result of endurance burning. The valve is protected and also fulfils its function under these severe conditions. The spring-loaded weather hood pens as soon as the melting element (4) melts. The valve can be used up to an operating temperature of up to +60°C / 140°F and meets the requirements of European Tank Design Standard EN 14015 (Appendix L) and ISO 28300 (API 2000). 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 (DN), please use the flow capacity chart on the following page

DN 50 / 2" 50 / 2" 80 / 3" 80 / 3"
Set pressure≤ +80 mbar> +80 mbar≤ +80 mbar> +80 mbar
Set pressure≤ +32.1 inch W.C.> +32.1 inch W.C.≤ +32.1 inch W.C.> +32.1 inch W.C.
a218 / 8.58218 / 8.58218 / 8.58218 / 8.58
b288 / 11.34453 / 17.83290 / 11.42455 / 17.91

Dimensiones en mm / pulgadas

Dimensions for pressure relief valve with heating jacket upon request

Selección del grupo de explosión

MESGExpl. Gr. (IEC / CEN)Gas Group (NEC)
≥ 0,85 mmIIB1

Special approvals upon request

Selección de materiales para la vivienda

Design BC
HousingSteelStainless Steel
Heating jacket (P / EB-E-H-...)SteelStainless Steel
Valve seatStainless SteelStainless Steel
Weather hoodSteelStainless Steel

Special materials upon request

Combinación de materiales para la unidad apagallamas

Design  A
FLAMEFILTER® cageStainless Steel
FLAMEFILTER®Stainless Steel
SpacerStainless Steel

Special materials upon request

Material selection for valve pallet

Design ABCD
Pressure range [mbar]
[inch W.C.]
+3.5 up to +5.0
+1.4 up to +2.0
>+5.0 up to +14
>+2.0 up to +5.6
>+14 up to +210
>+5.6 up to +84
>+14 up to +210
>+5.6 up to +84
Valve palletAluminiumStainless SteelStainless SteelStainless Steel
SealingFEPFEPMetal to MetalPTFE

Special materials and higher pressure settings upon request

Tipo de bridas de conexión

EN 1092-1; Form B1
ASME B16.5 CL 150 R.F.

other types upon request

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”.

Detail X

Detail X