Proporcionador de Espumas Entre Linhas – Ref: MR540 / 541 | Mecanica Reunida

 

Proporcionador de Espumas Entre Linhas – Ref: MR540 / 541


1 – Instalação:
• No centro da linha de espuma ou em equipamentos móveis de espuma. Como Carretas ; Viaturas de geração

 

2 – Material :
• Corpo e Dosador : Bronze
• Pick – Up : Com mangueira de borracha flexível transparente e trançada
• Adaptador : Latão Fundido de Alta Resistência 
3 – Características :
• Pressão de Trabalho 5,5 kgf / cm² (78 PSI) à 13,5 kgf / cm² (190 PSI)
• Pressão de Teste Hidrostático : 21 kgf / cm² (300 PSI)
• Aspiração do extrato de espuma através do processo Venturi, auxiliado por tubo pick-up Ø 3/4” x 1 m
• Válvula de retenção para evitar retorno do líquido da linha de incêndio ao reservatório de extrato de espuma, quando for interrompido o processo de aspiração nos modelos até 540.D e 541.A à 541.D
• Dosagem de extrato de espuma:
3% e 6% ( REF.: MR. 540. D e 541.A à 541.D ),
3% e 6% ( REF.: MR. 540. E até 540. K )
• Pressão na saída : aproximadamente 63% da pressão na entrada
• Vazão calculada para pressão de entrada : 7 kgf /cm² ( 100 PSI )
• Entrada e saída podem ser fornecidas flanges ; rosca ou engate rápido ER ( storz )
• A vazão e a pressão de operação requeridas nos equipamentos geradores de espuma ( Câmara de Espuma, Canhões Monitores, Esguichos Manuais, etc. ) são de máxima importância para se determinar uma pressão de entrada requerida do proporcionador
• Quando instalados em sistemas fixos de espuma , interligados a um tanque atmosférico de LGE podem ser montados a uma elevação máxima de 1,8 metros acima do nível mais baixo da superfície do LGE
• Manômetro na entrada para controle de pressão da linha ( opcional )
• Dimensional : ver verso
• Acabamento : Escovado ou Pintado Vermelho Segurança 
4 – Aplicação :
• Combate a incêndio da classe “A” ou “B”, materiais combustíveis ou líquidos inflamáveis

 

5 – Referência para consulta :

 

 

REF.: VAZÃO
(LPM)
ESGUICHO
COMPATIVEL
ENTRADA SAÍDA PESO
(KG)
DIÂMETRO DE
ENTRADA DE LGE
540.A 200 KR – 2 1.1/2″ 1.1/2″ 9,3 DOSADOR 3 e 6%
540.B 400 KR – 4 1.1/2″ 1.1/2″ 9,3 DOSADOR 3 e 6%
540.C 400 KR – 4 2.1/2″ 2.1/2″ 9,6 DOSADOR 3 e 6%
540.D 800 KR – 8 2.1/2″ 2.1/2″ 9,6 DOSADOR 3 e 6%
540.E 980 2.1/2″ 2.1/2″ 9,6 1″
540.F 1175 3″ 3″ 11,0 1″
540.G 1355 3″ 3″ 11,0 1″
540.H 1555 3″ 3″ 11,0 1″
540.I 1750 4″ 4″ 16,0 1.1/4″
540.J 1945 4″ 4″ 16,0 1.1/4″
540.K 2150 4″ 4″ 16,0 1.1/4″
541.A 200 KR – 2 1.1/2″ 1.1/2″ 3,0 DOSADOR 3 e 6%
541.B 400 KR – 4 1.1/2″ 1.1/2″ 4,5 DOSADOR 3 e 6%
541.C 400 KR – 4 2.1/2″ 2.1/2″ 5,0 DOSADOR 3 e 6%
541.D 800 KR – 8 2.1/2″ 2.1/2″ 5,0 DOSADOR 3 e 6%
 

 

6 – Informações Técnicas :
• Para calcular o volume de extrato necessário para 01 minuto de funcionamento do Proporcionador : Proceder-se como mostra abaixo : com o dosador à 3% : Vol. = Vazão x 0,03 e com o dosador à 6% : Vol. = Vazão x 0,06
• O Esguicho Lançador de Espuma que irá trabalhar em conjunto com o Proporcionador deverá ter a vazão compatível com o mesmo. (conforme a tabela) 

REF.: MR 540

REF.: MR 541

VAZÃO A (mm) B (mm) C (mm) D (mm)
200 LPM 182 136 109 156
400/800 LPM 202 142 121 190

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