{"id":4462,"date":"2026-03-25T03:26:15","date_gmt":"2026-03-25T03:26:15","guid":{"rendered":"https:\/\/hydrathpower.com\/?p=4462"},"modified":"2026-03-25T03:26:15","modified_gmt":"2026-03-25T03:26:15","slug":"hydraulische-schroefdraden-bsp-vs-npt-vs-metrisch-identificatie","status":"publish","type":"post","link":"https:\/\/hydrathpower.com\/nl\/hydraulic-threads-bsp-vs-npt-vs-metric-identification\/","title":{"rendered":"Hydraulische schroefdraden: BSP vs NPT vs Metrische Identificatie"},"content":{"rendered":"<article>\n<h2><span style=\"font-size: 1.7em;\">Definitie<\/span><\/h2>\n<section id=\"definition-en\">Schroefdraad is een spiraalvormige groef die wordt gebruikt om componenten samen te voegen en af te dichten. In de hydrauliek zit schroefdraad op fittingen en poorten; het zorgt voor mechanische bevestiging en met het juiste profiel of afdichtingselement voor lekdichte verbindingen onder druk.<\/section>\n<h2>Hoe identificeer je<\/h2>\n<ol>\n<li>Diameter meten: gebruik een schuifmaat om de hoofd-\/minderdiameter (OD\/ID) te meten, houd de eenheden consistent (mm of inch).<\/li>\n<li>Spoed bepalen: gebruik een draadspoedmeter; maak onderscheid tussen TPI (imperial) en mm (metrisch).<\/li>\n<li>Controleer de richting: rechts vs. links; overweeg toepassingen met omgekeerde belasting.<\/li>\n<li>Identificeer taps toelopend vs. parallel: meet de OD over verschillende kammen; een veranderende OD duidt op taps toelopend; een constante OD duidt op parallel.<\/li>\n<li>Kaart naar standaarden &amp; afdichting: <a href=\"https:\/\/cdn.standards.iteh.ai\/samples\/33777\/842b7c5409454ceba69c7dad9c308be1\/ISO-228-1-2000.pdf\">BSPP (ISO 228-1)<\/a> Parallel gebruikt sluitringen\/gebonden afdichtingen; BSPT (ISO 7-1)\/NPT (ASME B1.20.1) conisch moet worden afgedicht; Metric (ISO 261\/724\/965) &amp; SAE O-ring poorten (ISO 11926\/SAE J1926) gebruiken O-ringen.<br \/>\n<img decoding=\"async\" src=\"data:image\/gif;base64,R0lGODlhAQABAIAAAAAAAP\/\/\/yH5BAEAAAAALAAAAAABAAEAAAIBRAA7\" data-src=\"https:\/\/hydrathpower.com\/wp-content\/uploads\/2026\/03\/measure-thread-pitch-_-TPI-vs-mm-300x202.jpg\" class=\"alignnone wp-image-4465 lazyload\" alt=\"schroefdraadafstand meten _ TPI vs mm\" width=\"175\" height=\"118\"><noscript><img decoding=\"async\" class=\"alignnone wp-image-4465\" src=\"https:\/\/hydrathpower.com\/wp-content\/uploads\/2026\/03\/measure-thread-pitch-_-TPI-vs-mm-300x202.jpg\" alt=\"schroefdraadafstand meten _ TPI vs mm\" width=\"175\" height=\"118\" srcset=\"https:\/\/hydrathpower.com\/wp-content\/uploads\/2026\/03\/measure-thread-pitch-_-TPI-vs-mm-300x202.jpg 300w, https:\/\/hydrathpower.com\/wp-content\/uploads\/2026\/03\/measure-thread-pitch-_-TPI-vs-mm-768x518.jpg 768w, https:\/\/hydrathpower.com\/wp-content\/uploads\/2026\/03\/measure-thread-pitch-_-TPI-vs-mm-18x12.jpg 18w, https:\/\/hydrathpower.com\/wp-content\/uploads\/2026\/03\/measure-thread-pitch-_-TPI-vs-mm.jpg 869w\" sizes=\"(max-width: 175px) 100vw, 175px\" \/><\/noscript> <img decoding=\"async\" src=\"data:image\/gif;base64,R0lGODlhAQABAIAAAAAAAP\/\/\/yH5BAEAAAAALAAAAAABAAEAAAIBRAA7\" data-src=\"https:\/\/hydrathpower.com\/wp-content\/uploads\/2026\/03\/left\u2011hand-threads-usage-300x202.jpg\" class=\"alignnone wp-image-4467 lazyload\" alt=\"gebruik linkse draden\" width=\"195\" height=\"131\"><noscript><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-4467\" src=\"https:\/\/hydrathpower.com\/wp-content\/uploads\/2026\/03\/left\u2011hand-threads-usage-300x202.jpg\" alt=\"gebruik linkse draden\" width=\"195\" height=\"131\" srcset=\"https:\/\/hydrathpower.com\/wp-content\/uploads\/2026\/03\/left\u2011hand-threads-usage-300x202.jpg 300w, https:\/\/hydrathpower.com\/wp-content\/uploads\/2026\/03\/left\u2011hand-threads-usage-768x518.jpg 768w, https:\/\/hydrathpower.com\/wp-content\/uploads\/2026\/03\/left\u2011hand-threads-usage-18x12.jpg 18w, https:\/\/hydrathpower.com\/wp-content\/uploads\/2026\/03\/left\u2011hand-threads-usage.jpg 869w\" sizes=\"(max-width: 195px) 100vw, 195px\" \/><\/noscript> <img loading=\"lazy\" decoding=\"async\" src=\"data:image\/gif;base64,R0lGODlhAQABAIAAAAAAAP\/\/\/yH5BAEAAAAALAAAAAABAAEAAAIBRAA7\" data-src=\"https:\/\/hydrathpower.com\/wp-content\/uploads\/2026\/03\/identify-taper-vs-parallel-threads-300x202.jpg\" class=\"alignnone wp-image-4466 lazyload\" alt=\"conische vs. parallelle draad identificeren\" width=\"154\" height=\"104\"><noscript><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-4466\" src=\"https:\/\/hydrathpower.com\/wp-content\/uploads\/2026\/03\/identify-taper-vs-parallel-threads-300x202.jpg\" alt=\"conische vs. parallelle draad identificeren\" width=\"154\" height=\"104\" srcset=\"https:\/\/hydrathpower.com\/wp-content\/uploads\/2026\/03\/identify-taper-vs-parallel-threads-300x202.jpg 300w, https:\/\/hydrathpower.com\/wp-content\/uploads\/2026\/03\/identify-taper-vs-parallel-threads-768x518.jpg 768w, https:\/\/hydrathpower.com\/wp-content\/uploads\/2026\/03\/identify-taper-vs-parallel-threads-18x12.jpg 18w, https:\/\/hydrathpower.com\/wp-content\/uploads\/2026\/03\/identify-taper-vs-parallel-threads.jpg 869w\" sizes=\"(max-width: 154px) 100vw, 154px\" \/><\/noscript><\/li>\n<\/ol>\n<section id=\"how-to-identify-cn\"><\/section>\n<section id=\"profiles\">\n<h2>Draadprofielen<\/h2>\n<ul>\n<li>V-profiel: Goede sterkte en veelzijdigheid; veel gebruikt in bevestigingsmiddelen en algemene hydraulische fittingen.<\/li>\n<li>Vierkant: Lage wrijving, hoge belastbaarheid; vaak gevonden in transmissies\/geleidingsschroeven.<\/li>\n<li>Acme: Gemakkelijker te fabriceren; compromis tussen belastbaarheid en wrijving.<\/li>\n<li>Steun: Geschikt voor toepassingen met hoge axiale kracht in \u00e9\u00e9n richting.<\/li>\n<li>Conische draad: Bereikt drukbestendige afdichting (<a href=\"https:\/\/www.ralstoninst.com\/news\/story\/the-difference-between-npt-bspp-and-bspt-seals\">BSPT\/NPT<\/a>) door conus en afdichtmiddel.<img loading=\"lazy\" decoding=\"async\" src=\"data:image\/gif;base64,R0lGODlhAQABAIAAAAAAAP\/\/\/yH5BAEAAAAALAAAAAABAAEAAAIBRAA7\" data-src=\"https:\/\/hydrathpower.com\/wp-content\/uploads\/2026\/03\/types-of-threads-300x202.jpg\" class=\"alignnone size-medium wp-image-4464 lazyload\" style=\"font-style: inherit; font-weight: inherit;\" alt=\"soorten draden\" width=\"300\" height=\"202\"><noscript><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-4464\" style=\"font-style: inherit; font-weight: inherit;\" src=\"https:\/\/hydrathpower.com\/wp-content\/uploads\/2026\/03\/types-of-threads-300x202.jpg\" alt=\"soorten draden\" width=\"300\" height=\"202\" srcset=\"https:\/\/hydrathpower.com\/wp-content\/uploads\/2026\/03\/types-of-threads-300x202.jpg 300w, https:\/\/hydrathpower.com\/wp-content\/uploads\/2026\/03\/types-of-threads-768x518.jpg 768w, https:\/\/hydrathpower.com\/wp-content\/uploads\/2026\/03\/types-of-threads-18x12.jpg 18w, https:\/\/hydrathpower.com\/wp-content\/uploads\/2026\/03\/types-of-threads.jpg 869w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/noscript><\/li>\n<\/ul>\n<\/section>\n<section id=\"codes-pairing-en\">\n<h2>Codes en koppelingen<\/h2>\n<ul>\n<li>BSP (55\u00b0): BSPP\/G parallel niet-afdichtend; R serie afdichtend schroefdraad<\/li>\n<li>Rp: parallelle vrouwelijke aansluiting; Rc: conische vrouwelijke aansluiting (1:16); R1: conische mannelijke aansluiting voor Rp; R2: conische mannelijke aansluiting voor Rc<\/li>\n<li>Koppelen: Rp+R1 voor algemene afdichting; Rc+R2 voor hogere druk; gebruik afdichtmiddel, vermijd over-taping<\/li>\n<li>ANSI (60\u00b0): NPT conisch (1:16) afdichting; NPTF droge afdichting; NPS recht (NPSM mechanisch, NPSF brandstof, NPSH slang) vereist hulpafdichtingen<\/li>\n<li>Metrisch (60\u00b0): M parallelle machinedraad vereist sluitringen\/ringen; MJ aerospace conische variant<\/li>\n<li>JIS\/DIN-mapping: JIS PT\u2248Rc; JIS PF\u2248G; DIN 2999 met R-serie; DIN 3852 voor metrische bite-type fittingen.<\/li>\n<li>Poorten en vlakken: SAE J514 ORB, JIC 37\u00b0, SAE 45\u00b0, ORFS platte O-ring<\/li>\n<\/ul>\n<\/section>\n<section id=\"codes-pairing-cn\"><\/section>\n<section id=\"comparison-en\">\n<h2>BSPP vs BSPT vs NPT vs Metrisch<\/h2>\n<table>\n<thead>\n<tr>\n<th>Functie<\/th>\n<th>BSPP (ISO 228-1)<\/th>\n<th>BSPT (ISO 7-1)<\/th>\n<th><a href=\"https:\/\/www.armechalloys.com\/pdf\/ansi-b1-20-1.pdf\">NPT (ASME B1.20.1)<\/a><\/th>\n<th>Metrisch (ISO 261\/724\/965)<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Draadvorm<\/td>\n<td>Parallel (G)<\/td>\n<td>Conisch (R)<\/td>\n<td>Taps toelopend<\/td>\n<td>Parallel<\/td>\n<\/tr>\n<tr>\n<td>Afdichtmethode<\/td>\n<td>Sluitring\/Bondelafdichting\/O-ringvlak<\/td>\n<td>Afdichtmiddel op schroefdraad<\/td>\n<td>Afdichtmiddel op schroefdraad<\/td>\n<td>Sluitring\/O-ring poort<\/td>\n<\/tr>\n<tr>\n<td>Typisch gebruik<\/td>\n<td>Hydraulische poorten en fittingen<\/td>\n<td>Pijpaansluitingen<\/td>\n<td>Pijpaansluitingen<\/td>\n<td>Fittingen &amp; machinedraad<\/td>\n<\/tr>\n<tr>\n<td>Voorzichtig mengen<\/td>\n<td>Niet mengen met NPT<\/td>\n<td>Niet mengen met NPT\/BSPP<\/td>\n<td>Niet mengen met BSP<\/td>\n<td>Overeenkomende toonhoogte &amp; tolerantie<\/td>\n<\/tr>\n<tr>\n<td>Identificatie<\/td>\n<td>OD constant over de lengte<\/td>\n<td>OD verandert (taps toelopend)<\/td>\n<td>OD verandert (taps toelopend)<\/td>\n<td>OD constant; metrische steek<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/section>\n<section id=\"comparison-cn\"><\/section>\n<section id=\"pros-cons-en\">\n<h2>Voor- en nadelen<\/h2>\n<ul>\n<li>Voordelen: duidelijke identificatiestappen, minder lekkage door de juiste afdichtingskeuze, veiligere cross-standard conversies.<\/li>\n<li>Nadelen: meetfouten leiden tot mismatches; mengen van standaarden veroorzaakt lekkage of schade.<\/li>\n<\/ul>\n<\/section>\n<section id=\"pros-cons-cn\"><\/section>\n<section id=\"faq\">\n<h2>FAQ<\/h2>\n<details>\n<summary>Hoe kan ik BSP van NPT onderscheiden?<\/summary>\n<p>BSP gebruikt een profiel van 55\u00b0; NPT gebruikt 60\u00b0. BSPP is parallel; BSPT\/NPT zijn conisch. Meet de OD langs verschillende kruinen en controleer de steek; niet mengen.<\/p>\n<\/details>\n<details>\n<summary>Dicht parallelle schroefdraad af zonder afdichtmiddel?<\/summary>\n<p>Ja, met een gelijmde afdichting\/vulring of O-ring aan de voorkant (bijv. BSPP-poorten). De afdichting vindt plaats aan de voorkant, niet in de schroefdraad.<\/p>\n<\/details>\n<details>\n<summary>Metrisch vs imperiaal - hoe meten?<\/summary>\n<p>Gebruik een steekmaat; metrisch geeft mm per schroefdraad aan; imperiaal geeft TPI aan. Converteer consistent en controleer met schuifmaten en tabellen.<\/p>\n<\/details>\n<details>\n<summary>Wanneer gebruik je linkse draad?<\/summary>\n<p>Te gebruiken waar rechtse schroefdraad los kan raken bij draaien of omgekeerde belasting.<\/p>\n<\/details>\n<\/section>\n<\/article>","protected":false},"excerpt":{"rendered":"<p>Definition Threads are helical grooves used to assemble and seal components. In hydraulics, threads appear on fittings and ports; they [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":4463,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"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":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"default","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-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":"","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-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":"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":""},"mobile":{"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":""}},"footnotes":""},"categories":[1],"tags":[],"class_list":["post-4462","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-uncategorized"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.8 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Hydraulic Threads: BSP vs NPT vs Metric Identification - Hydrath Power<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/hydrathpower.com\/nl\/hydraulische-schroefdraden-bsp-vs-npt-vs-metrisch-identificatie\/\" \/>\n<meta property=\"og:locale\" content=\"nl_NL\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Hydraulic Threads: BSP vs NPT vs Metric Identification - Hydrath Power\" \/>\n<meta property=\"og:description\" content=\"Definition Threads are helical grooves used to assemble and seal components. 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