![\"\"](\"https:\/\/led.amasly.com\/wp-content\/uploads\/2025\/01\/1-1024x658.png\" "\\"1\\"")
<\/a><\/figure><\/div>\n\n\n\nEm circunst\u00e2ncias normais, a temperatura ambiente para o funcionamento do equipamento deve ser de -20 a 40 \u2103. Nestes casos, n\u00e3o \u00e9 necess\u00e1ria qualquer marca\u00e7\u00e3o adicional da temperatura ambiente. No entanto, quando se espera que o equipamento seja utilizado num ambiente fora deste intervalo de temperatura, \u00e9 considerada uma situa\u00e7\u00e3o especial. A marca\u00e7\u00e3o deve incluir o s\u00edmbolo Ta ou Tamb juntamente com os limites superior e inferior da temperatura ambiente. Se tal n\u00e3o for poss\u00edvel, o s\u00edmbolo \u201cX\u201d deve indicar as condi\u00e7\u00f5es especiais de funcionamento, incluindo os limites superior e inferior da temperatura ambiente. Isto significa que, normalmente, o requisito de temperatura ambiente de -20 a 40 \u2103 para equipamentos n\u00e3o precisa de ser marcado na placa de identifica\u00e7\u00e3o ou no certificado \u00e0 prova de explos\u00e3o. Mas se o equipamento se destinar a ser utilizado num intervalo de temperatura ambiente diferente deste, tem de ser marcado na placa de identifica\u00e7\u00e3o e no certificado do produto e especificado no manual do utilizador.<\/p>\n\n\n\n
Quais s\u00e3o os requisitos especiais relativos \u00e0 temperatura ambiente para equipamento el\u00e9trico \u00e0 prova de fogo e l\u00e2mpadas \u00e0 prova de explos\u00e3o?<\/p>\n\n\n\n
Em primeiro lugar, a baixa temperatura tem um impacto na press\u00e3o de explos\u00e3o, e os regulamentos correspondentes s\u00e3o:<\/p>\n\n\n\n
![\"\"](\"https:\/\/led.amasly.com\/wp-content\/uploads\/2025\/01\/21-1024x503.jpg\" "\\"21\\"")
<\/figure><\/div>\n\n\n\nQuando a temperatura ambiente \u00e9 inferior a -20 \u2103, a press\u00e3o de refer\u00eancia deve ser medida por m\u00e9todos de baixa temperatura ou de pr\u00e9-pressuriza\u00e7\u00e3o. A press\u00e3o de refer\u00eancia obtida desta forma \u00e9 muito mais elevada do que a medida sob temperatura e press\u00e3o normais. <\/p>\n\n\n\n
Por conseguinte, os requisitos de resist\u00eancia para os inv\u00f3lucros de equipamento el\u00e9trico em ambientes de baixa temperatura s\u00e3o mais elevados, o que deve ser tido em conta durante o processo de conce\u00e7\u00e3o.<\/p>\n\n\n\n
Em segundo lugar, a influ\u00eancia da temperatura elevada no ensaio de n\u00e3o-propaga\u00e7\u00e3o da igni\u00e7\u00e3o interna e os regulamentos correspondentes:<\/p>\n\n\n\n
![\"\"](\"https:\/\/led.amasly.com\/wp-content\/uploads\/2025\/01\/31.jpg\" "\\"31\\"")
<\/figure><\/div>\n\n\n\nOu seja, quando a temperatura ambiente \u00e9 superior a 60 \u2103, o teste de n\u00e3o-propaga\u00e7\u00e3o de igni\u00e7\u00e3o interna deve ser realizado por meio de alta temperatura ou pr\u00e9-pressuriza\u00e7\u00e3o. A press\u00e3o de explos\u00e3o gerada desta forma \u00e9 maior do que aquela sob temperatura e press\u00e3o normais. <\/p>\n\n\n\n
Os equipamentos que podem passar no ensaio sob temperatura e press\u00e3o normais podem n\u00e3o passar no ensaio de n\u00e3o-propaga\u00e7\u00e3o de igni\u00e7\u00e3o interna sob pr\u00e9-pressuriza\u00e7\u00e3o. Este facto imp\u00f5e requisitos mais elevados ao comprimento, \u00e0 folga e \u00e0 resist\u00eancia do inv\u00f3lucro da superf\u00edcie da junta antideflagrante do equipamento antideflagrante utilizado em ambientes de alta temperatura. Estes factores devem ser tidos em conta durante o processo de conce\u00e7\u00e3o.<\/p>","protected":false},"excerpt":{"rendered":"
explosion proof lamps Ambient temperature refers to the temperature of the air or other medium surrounding the equipment or component. Under normal circumstances, the ambient temperature for equipment operation should be -20 to 40 \u2103. In such cases, no additional ambient temperature marking is required. However, when the equipment is expected to be used in […]<\/p>\n","protected":false},"author":1,"featured_media":1617,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_uag_custom_page_level_css":"","site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"disabled","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[8],"tags":[],"class_list":["post-1616","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-explosion-proof-equipment"],"uagb_featured_image_src":{"full":["https:\/\/led.amasly.com\/wp-content\/uploads\/2025\/01\/1.png",1080,694,false],"thumbnail":["https:\/\/led.amasly.com\/wp-content\/uploads\/2025\/01\/1-150x150.png",150,150,true],"medium":["https:\/\/led.amasly.com\/wp-content\/uploads\/2025\/01\/1-300x193.png",300,193,true],"medium_large":["https:\/\/led.amasly.com\/wp-content\/uploads\/2025\/01\/1-768x494.png",768,494,true],"large":["https:\/\/led.amasly.com\/wp-content\/uploads\/2025\/01\/1-1024x658.png",1024,658,true],"1536x1536":["https:\/\/led.amasly.com\/wp-content\/uploads\/2025\/01\/1.png",1080,694,false],"2048x2048":["https:\/\/led.amasly.com\/wp-content\/uploads\/2025\/01\/1.png",1080,694,false],"trp-custom-language-flag":["https:\/\/led.amasly.com\/wp-content\/uploads\/2025\/01\/1.png",18,12,false]},"uagb_author_info":{"display_name":"Joe","author_link":"https:\/\/led.amasly.com\/pt\/author\/jacklin\/"},"uagb_comment_info":0,"uagb_excerpt":"explosion proof lamps Ambient temperature refers to the temperature of the air or other medium surrounding the equipment or component. Under normal circumstances, the ambient temperature for equipment operation should be -20 to 40 \u2103. In such cases, no additional ambient temperature marking is required. However, when the equipment is expected to be used in…","_links":{"self":[{"href":"https:\/\/led.amasly.com\/pt\/wp-json\/wp\/v2\/posts\/1616","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/led.amasly.com\/pt\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/led.amasly.com\/pt\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/led.amasly.com\/pt\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/led.amasly.com\/pt\/wp-json\/wp\/v2\/comments?post=1616"}],"version-history":[{"count":2,"href":"https:\/\/led.amasly.com\/pt\/wp-json\/wp\/v2\/posts\/1616\/revisions"}],"predecessor-version":[{"id":3995,"href":"https:\/\/led.amasly.com\/pt\/wp-json\/wp\/v2\/posts\/1616\/revisions\/3995"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/led.amasly.com\/pt\/wp-json\/wp\/v2\/media\/1617"}],"wp:attachment":[{"href":"https:\/\/led.amasly.com\/pt\/wp-json\/wp\/v2\/media?parent=1616"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/led.amasly.com\/pt\/wp-json\/wp\/v2\/categories?post=1616"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/led.amasly.com\/pt\/wp-json\/wp\/v2\/tags?post=1616"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}