![\"\"](\"https:\/\/led.amasly.com\/wp-content\/uploads\/2024\/12\/Explosion-proof-junction-box.jpg\" "\\"Robban\u00e1sbiztos")
<\/figure><\/div>\n\n\n\nI. Szerkezeti k\u00f6vetelm\u00e9nyek <\/p>\n\n\n\n
Az illeszked\u0151 fel\u00fcleteken t\u00f6m\u00f6r\u00edtett t\u00f6m\u00edt\u00e9sek haszn\u00e1lhat\u00f3k a burkolati t\u00f6m\u00edt\u00e9s hat\u00e9konys\u00e1g\u00e1nak biztos\u00edt\u00e1s\u00e1ra. Minden t\u00f6m\u00edt\u00e9snek \u00e9s t\u00f6m\u00edt\u00e9snek egybef\u00fcgg\u0151, azaz gy\u0171r\u0171s \u00e9s megszak\u00edt\u00e1s n\u00e9lk\u00fcli szerkezet\u0171nek kell lennie. A burkolat szerkezet\u00e9nek biztos\u00edtania kell a t\u00f6m\u00edt\u00e9sek megfelel\u0151 helyzet\u00e9t. <\/p>\n\n\n\n
Ha a burkolat v\u00e9detts\u00e9gi foka a burkolat illeszt\u00e9s\u00e9n\u00e9l l\u00e9v\u0151 t\u00f6m\u00edt\u00e9st\u0151l f\u00fcgg, \u00e9s az illeszt\u00e9st a telep\u00edt\u00e9s vagy karbantart\u00e1s sor\u00e1n fel kell nyitni, a t\u00f6m\u00edt\u00e9st az egyik illeszked\u0151 fel\u00fclethez kell ragasztani vagy mechanikusan r\u00f6gz\u00edteni, hogy megakad\u00e1lyozza az elveszt\u00e9s\u00e9t, s\u00e9r\u00fcl\u00e9s\u00e9t vagy helytelen telep\u00edt\u00e9s\u00e9t. A t\u00f6m\u00edt\u00e9seket haszn\u00e1l\u00f3 illeszked\u0151 fel\u00fcletekn\u00e9l nem szabad kieg\u00e9sz\u00edt\u0151 t\u00f6m\u00edt\u0151anyagokat haszn\u00e1lni a t\u00f6m\u00edt\u00e9si teljes\u00edtm\u00e9ny seg\u00e9deszk\u00f6zek\u00e9nt. <\/p>\n\n\n\n
A zsan\u00e9rokat nem szabad a t\u00f6m\u00edt\u00e9s fenntart\u00e1s\u00e1ra haszn\u00e1lni, kiv\u00e9ve azokat az eseteket, amikor a t\u00f6m\u00edt\u00e9s megfelel\u0151en \u00f6sszenyomhat\u00f3 an\u00e9lk\u00fcl, hogy a t\u00f6m\u00edt\u00e9s v\u00e1ratlan mozg\u00e1s\u00e1t, fesz\u00fclts\u00e9g\u00e9t vagy deform\u00e1ci\u00f3j\u00e1t okozn\u00e1. <\/p>\n\n\n\n
A rugalmas t\u00f6m\u00edt\u00e9sek, p\u00e9ld\u00e1ul a f\u00fajtat\u00f3k, semmilyen ponton nem lehetnek t\u00falzott ig\u00e9nybev\u00e9telnek kit\u00e9ve. Int\u00e9zked\u00e9seket kell tenni a k\u00fcls\u0151 mechanikai s\u00e9r\u00fcl\u00e9sek elker\u00fcl\u00e9s\u00e9re, \u00e9s mindk\u00e9t v\u00e9g\u00e9t mechanikusan r\u00f6gz\u00edteni kell. <\/p>\n\n\n\n
Megjegyz\u00e9s: A fenti k\u00f6vetelm\u00e9nyek nem vonatkoznak a k\u00e1belbevezet\u0151 eszk\u00f6z\u00f6n bel\u00fcli t\u00f6m\u00edt\u00e9sekre. <\/p>\n\n\n\n
II. Vizsg\u00e1lati k\u00f6vetelm\u00e9nyek <\/p>\n\n\n\n
A megfelel\u0151 k\u00f6vetelm\u00e9nyeknek megfelel\u0151 h\u00e9jvizsg\u00e1latok elv\u00e9gz\u00e9se ut\u00e1n valamennyi vizsg\u00e1lati mint\u00e1n nyom\u00e1spr\u00f3b\u00e1t kell v\u00e9gezni, majd az IP-v\u00e9delmi fokozat\u00fa vizsg\u00e1latokat. <\/p>\n\n\n\n
A robban\u00e1svesz\u00e9lyes k\u00f6rnyezetben a \u201cPorgy\u00fajt\u00e1sbiztos \u2018t' burkolattal v\u00e9dett berendez\u00e9sek\u201d szabv\u00e1nya a t\u00f6m\u00edt\u00e9sek \u00e9s t\u00f6m\u00edt\u00e9sek v\u00e9d\u0151hat\u00e1s\u00e1nak \u00e9rt\u00e9kel\u00e9s\u00e9re vonatkoz\u00f3 nyom\u00e1svizsg\u00e1lati k\u00f6vetelm\u00e9nnyel eg\u00e9sz\u00fclt ki. A bels\u0151 nyom\u00e1snak legal\u00e1bb (4 \u00b1 0,4) kPa (a \u2018ta\u2019 v\u00e9delmi szint eset\u00e9n) \u00e9s (2 \u00b1 0,2) kPa (a \u2018tb\u2019 \u00e9s \u2018tc\u2019 v\u00e9delmi szint eset\u00e9n) kell lennie, \u00e9s 60-70 m\u00e1sodpercig kell tartania. <\/p>\n\n\n\n
Itt kell megjegyezni, hogy:<\/p>\n\n\n\n
(a) Az Ex berendez\u00e9s k\u00e1belbevezet\u0151 k\u00e9sz\u00fcl\u00e9k\u00e9t \u00e9s kieg\u00e9sz\u00edt\u0151 burkolatait nem kell nyom\u00e1spr\u00f3b\u00e1nak al\u00e1vetni, kiv\u00e9ve a t\u00f6m\u00edt\u0151 t\u00f6m\u00edt\u00e9st, amely a bevezet\u0151 k\u00e9sz\u00fcl\u00e9k \u00e9s a burkolat be\u00e9p\u00edt\u00e9si illeszt\u00e9si fel\u00fclet\u00e9n v\u00e9delmet ny\u00fajt; <\/p>\n\n\n\n
(b) Ha az Ex-berendez\u00e9s szerkezete korl\u00e1tozhatja a t\u00f6m\u00edt\u00e9sek \u00e9s t\u00f6m\u00edt\u00e9sek mozg\u00e1s\u00e1t, mint p\u00e9ld\u00e1ul a hornyokban l\u00e9v\u0151 \u201cO\u201d gy\u0171r\u0171k vagy az illeszt\u00e9si fel\u00fclet egyik oldal\u00e1ra ragasztott t\u00f6m\u00edt\u00e9sek, akkor a \u201ctb\u201d \u00e9s \u201ctc\u201d v\u00e9delmi szint\u0171 Ex-berendez\u00e9sek eset\u00e9ben nem sz\u00fcks\u00e9ges nyom\u00e1spr\u00f3b\u00e1t v\u00e9gezni.<\/p>","protected":false},"excerpt":{"rendered":"
It is well known that the protective performance of the equipment enclosure protected by the dust-proof ignition-proof enclosure “t” is a key point that product design focuses on. Therefore, the structural rationality of the gaskets and seals that play a protective role is particularly important. I. Structural Requirements In the mating surfaces, compressed gaskets can […]<\/p>\n","protected":false},"author":1,"featured_media":1603,"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-1602","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\/2024\/12\/Explosion-proof-junction-box.jpg",995,395,false],"thumbnail":["https:\/\/led.amasly.com\/wp-content\/uploads\/2024\/12\/Explosion-proof-junction-box-150x150.jpg",150,150,true],"medium":["https:\/\/led.amasly.com\/wp-content\/uploads\/2024\/12\/Explosion-proof-junction-box-300x119.jpg",300,119,true],"medium_large":["https:\/\/led.amasly.com\/wp-content\/uploads\/2024\/12\/Explosion-proof-junction-box-768x305.jpg",768,305,true],"large":["https:\/\/led.amasly.com\/wp-content\/uploads\/2024\/12\/Explosion-proof-junction-box.jpg",995,395,false],"1536x1536":["https:\/\/led.amasly.com\/wp-content\/uploads\/2024\/12\/Explosion-proof-junction-box.jpg",995,395,false],"2048x2048":["https:\/\/led.amasly.com\/wp-content\/uploads\/2024\/12\/Explosion-proof-junction-box.jpg",995,395,false],"trp-custom-language-flag":["https:\/\/led.amasly.com\/wp-content\/uploads\/2024\/12\/Explosion-proof-junction-box.jpg",18,7,false]},"uagb_author_info":{"display_name":"Joe","author_link":"https:\/\/led.amasly.com\/hu_hu\/author\/jacklin\/"},"uagb_comment_info":0,"uagb_excerpt":"It is well known that the protective performance of the equipment enclosure protected by the dust-proof ignition-proof enclosure “t” is a key point that product design focuses on. Therefore, the structural rationality of the gaskets and seals that play a protective role is particularly important. I. Structural Requirements In the mating surfaces, compressed gaskets can…","_links":{"self":[{"href":"https:\/\/led.amasly.com\/hu_hu\/wp-json\/wp\/v2\/posts\/1602","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/led.amasly.com\/hu_hu\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/led.amasly.com\/hu_hu\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/led.amasly.com\/hu_hu\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/led.amasly.com\/hu_hu\/wp-json\/wp\/v2\/comments?post=1602"}],"version-history":[{"count":1,"href":"https:\/\/led.amasly.com\/hu_hu\/wp-json\/wp\/v2\/posts\/1602\/revisions"}],"predecessor-version":[{"id":1604,"href":"https:\/\/led.amasly.com\/hu_hu\/wp-json\/wp\/v2\/posts\/1602\/revisions\/1604"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/led.amasly.com\/hu_hu\/wp-json\/wp\/v2\/media\/1603"}],"wp:attachment":[{"href":"https:\/\/led.amasly.com\/hu_hu\/wp-json\/wp\/v2\/media?parent=1602"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/led.amasly.com\/hu_hu\/wp-json\/wp\/v2\/categories?post=1602"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/led.amasly.com\/hu_hu\/wp-json\/wp\/v2\/tags?post=1602"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}