Foro oxicorte oxiplasma plasma chorro de agua prensas y granalladoras, compra venta maquinaria

Fuente http://www.mtas.es/ ©INSHT. Instituto Nacional de Seguridad e Higiene en el Trabajo. España
NTP 132: Válvulas antirretroceso de llama
Redactor:

Emilio Turmo Sierra
Ingeniero Industrial

CENTRO DE INVESTIGACIÓN Y ASISTENCIA TÉCNICA - BARCELONA

Uno de los riesgos más importantes en los trabajos de soldadura autógena y oxicorte es ocasionado por la combustión con la llama avanzando hacia el interior del soplete, manguera, manorreductor y botella. Para evitarlo se dispone de un dispositivo antirretroceso de llama, al que pueden añadirse otros dispositivos de seguridad en montaje separado o único. El accidente típico ocasionado por un retroceso de llama es la explosión del soplete o de la manguera pudiendo llegar a los demás componentes de la instalación con grave riesgo para personas y daños materiales.
Objetivo

Se pretende exponer los puntos básicos del fenómeno del retroceso de llama, método práctico para evitarlo y dispositivos asociados al propiamente llamado antirretroceso de llama de forma que se disponga de unos criterios para una buena elección y emplazamiento de este aparato.
ver mas http://www.mtas.es//insht/ntp/ntp_132.htm

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