LH/AD-T

LH/AD-T

Deflagration Flame Arrester, short time burning-proof, End-of-Line

Función y Descripción

The PROTEGO® LH/AD-T end-of-line deflagration flame arrester provides protection against flame transmission through atmospheric deflagration and short time burning on the flame arrester element. The device is typically installed on vent lines of vessels and process engineering apparatus which are not pressurized. The device is equipped with a temperature sensor which immediately detects a flame on the FLAMEFILTER® surface. After the flame is detected, a secondary measure, such as inerting or closing of a shut-off valve to block the vapour flow to the device, should activate within 60 seconds and extinguish the flame, so that the plant can operate safely. The device prevents flame transmission from short time burning and atmospheric deflagration into the vessel or plant.

The PROTEGO® LH/AD-T consists of a housing (1), a weather hood (2) and the PROTEGO® flame arrester unit (3). The device is equipped with a metal weather hood. The FLAMEFILTER® (4) gap size depends on the devices intended use. Detailing the operating conditions such as the temperature, explosion group and the composition of the fluid, enables PROTEGO® to select the best end-of-line deflagration flame arrester for your application. The PROTEGO® LH/AD series end-of-line deflagration flame arrester is available for substances from explosion groups IIA to IIC (NEC groups D to B).

The standard design can be used with operating temperature of up to +60°C / 140°F. Devices with special approval can be obtained for higher temperatures upon request.

Type-approved in accordance with the current ATEX Directive and EN ISO 16852 as well as other international standards.

Características especiales y ventajas

  • Weather hood provides protection against environmental impact (harsh weather conditions, bird nests, etc.)
  • available in sizes DN 50 (2“) – up to DN 800 (32“)
  • easy maintenance
  • available for elevated operating temperatures
  • protection against short time burning and atmospheric deflagration
  • low operating and lifecycle cost
  • cost effective device
  • cost effective spare parts
LH/AD-T
LH/AD-T

Modelo y especificación

Following designs are available:

Deflagration flame arrester, end-of-line, basic design

LH/AD-T

Deflagration flame arrester, end-of-line, basic design

LH/AD-T

Special designs available on request

LH/AD-T

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”.

LH/AD-T
LH/AD-T