![\"\"](\"https:\/\/led.amasly.com\/wp-content\/uploads\/2024\/12\/Explosion-proof-lamp-thread-1024x799.png\" "\\"Fir")
<\/a><\/figure><\/div>\n\n\n\n1. Tipul filetului: filetele cilindrice trebuie s\u0103 fie filete metrice, iar filetele conice trebuie s\u0103 fie NPT.
2. Gradul de potrivire al filetelor metrice trebuie s\u0103 fie 6g\/6H sau mai mare, \u00een conformitate cu reglement\u0103rile relevante, iar grosimea r\u0103mas\u0103 a peretelui \u00een punctul cel mai ad\u00e2nc al oric\u0103rui \u0219anfren sau canelur\u0103 de relief a filetului interior nu trebuie s\u0103 fie mai mic\u0103 de 2 mm.<\/p>\n\n\n\n
3. Filetele externe NPT cu flan\u0219e sau dopuri de obturare trebuie s\u0103 aib\u0103 o lungime efectiv\u0103 a filetului nu mai mic\u0103 dec\u00e2t dimensiunea \u201cL2\u201d, iar lungimea dintre fa\u021ba de cap\u0103t a flan\u0219ei \u0219i coada filetului nu trebuie s\u0103 fie mai mic\u0103 dec\u00e2t dimensiunea \u201cL4\u201d.
4. Filetele interne NPT se m\u0103soar\u0103 cu un manometru L1 de la \u201c\u00eengropat\u201d la \u201c2 rota\u021bii\u201d.
5. Lungimea sec\u021biunii filetului exterior trebuie s\u0103 fie de cel pu\u021bin 8 mm \u0219i s\u0103 con\u021bin\u0103 cel pu\u021bin 8 pasaje de filet. \u00cen cazul \u00een care filetul are o canelur\u0103 de relief, trebuie montat\u0103 o \u0219aib\u0103 integral\u0103 \u0219i necompresibil\u0103 sau un dispozitiv echivalent pentru a asigura lungimea necesar\u0103 de angajare a filetului.
*Butoanele de etan\u0219are Ex NPT nu trebuie s\u0103 aib\u0103 flan\u0219\u0103.
# Av\u00e2nd \u00een vedere posibila \u0219anfrenare sau canelur\u0103 de relief atunci c\u00e2nd este instalat \u00een intrarea echipamentului, cerin\u021ba de 8 pasuri de filet este de a asigura cel pu\u021bin 5 pasuri de filet de angajare.<\/p>","protected":false},"excerpt":{"rendered":"
The entry devices of flameproof type mainly include cable entry devices, conduit sealing devices, EX blocking parts, EX threaded pipe joints and insulating sleeves. The installation threads (the threaded entry ports installed on flameproof type equipment) of these entry devices should meet the following requirements: 1. Thread type: cylindrical threads shall be metric threads, and […]<\/p>\n","protected":false},"author":1,"featured_media":1575,"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-1574","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-lamp-thread.png",1080,843,false],"thumbnail":["https:\/\/led.amasly.com\/wp-content\/uploads\/2024\/12\/Explosion-proof-lamp-thread-150x150.png",150,150,true],"medium":["https:\/\/led.amasly.com\/wp-content\/uploads\/2024\/12\/Explosion-proof-lamp-thread-300x234.png",300,234,true],"medium_large":["https:\/\/led.amasly.com\/wp-content\/uploads\/2024\/12\/Explosion-proof-lamp-thread-768x599.png",768,599,true],"large":["https:\/\/led.amasly.com\/wp-content\/uploads\/2024\/12\/Explosion-proof-lamp-thread-1024x799.png",1024,799,true],"1536x1536":["https:\/\/led.amasly.com\/wp-content\/uploads\/2024\/12\/Explosion-proof-lamp-thread.png",1080,843,false],"2048x2048":["https:\/\/led.amasly.com\/wp-content\/uploads\/2024\/12\/Explosion-proof-lamp-thread.png",1080,843,false],"trp-custom-language-flag":["https:\/\/led.amasly.com\/wp-content\/uploads\/2024\/12\/Explosion-proof-lamp-thread.png",15,12,false]},"uagb_author_info":{"display_name":"Joe","author_link":"https:\/\/led.amasly.com\/ro\/author\/jacklin\/"},"uagb_comment_info":0,"uagb_excerpt":"The entry devices of flameproof type mainly include cable entry devices, conduit sealing devices, EX blocking parts, EX threaded pipe joints and insulating sleeves. The installation threads (the threaded entry ports installed on flameproof type equipment) of these entry devices should meet the following requirements: 1. Thread type: cylindrical threads shall be metric threads, and…","_links":{"self":[{"href":"https:\/\/led.amasly.com\/ro\/wp-json\/wp\/v2\/posts\/1574","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/led.amasly.com\/ro\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/led.amasly.com\/ro\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/led.amasly.com\/ro\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/led.amasly.com\/ro\/wp-json\/wp\/v2\/comments?post=1574"}],"version-history":[{"count":1,"href":"https:\/\/led.amasly.com\/ro\/wp-json\/wp\/v2\/posts\/1574\/revisions"}],"predecessor-version":[{"id":1576,"href":"https:\/\/led.amasly.com\/ro\/wp-json\/wp\/v2\/posts\/1574\/revisions\/1576"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/led.amasly.com\/ro\/wp-json\/wp\/v2\/media\/1575"}],"wp:attachment":[{"href":"https:\/\/led.amasly.com\/ro\/wp-json\/wp\/v2\/media?parent=1574"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/led.amasly.com\/ro\/wp-json\/wp\/v2\/categories?post=1574"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/led.amasly.com\/ro\/wp-json\/wp\/v2\/tags?post=1574"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}