{"id":2959,"date":"2026-05-15T08:38:25","date_gmt":"2026-05-15T05:38:25","guid":{"rendered":"https:\/\/eurobalt.net\/fr\/?p=2959"},"modified":"2026-05-20T09:28:40","modified_gmt":"2026-05-20T06:28:40","slug":"hydraulic-lift-ram-jack","status":"publish","type":"post","link":"https:\/\/eurobalt.net\/fr\/blog\/2026\/05\/15\/hydraulic-lift-ram-jack\/","title":{"rendered":"V\u00e9rins hydrauliques: ascenseurs, plongeurs, crics"},"content":{"rendered":"\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-mowug7rk-08fff07121f8186b8f6c99291bfe3da3\">\n#top .av-special-heading.av-mowug7rk-08fff07121f8186b8f6c99291bfe3da3{\npadding-bottom:10px;\n}\n.av-special-heading.av-mowug7rk-08fff07121f8186b8f6c99291bfe3da3 .av-subheading{\nfont-size:15px;\n}\n<\/style>\n<div  class='av-special-heading av-mowug7rk-08fff07121f8186b8f6c99291bfe3da3 av-special-heading-h1 blockquote modern-quote  avia-builder-el-0  el_before_av_textblock  avia-builder-el-first  '><h1 class='av-special-heading-tag '  >V\u00e9rins hydrauliques pour le levage : plongeurs, crics, ascenseurs, v\u00e9rins de benne et v\u00e9rins de hayon<\/h1><div class='av-subheading av-subheading_below '><p>Eurobalt fabrique des v\u00e9rins hydrauliques sur mesure pour les \u00e9quipements de levage : plongeurs simple effet, actionneurs double effet, crics \u00e0 piston, v\u00e9rins de benne basculante et v\u00e9rins de hayon, ex\u00e9cut\u00e9s sur plan.<\/p>\n<\/div><div class='special-heading-border'><div class='special-heading-inner-border'><\/div><\/div><\/div>\n<section  class='av_textblock_section av-mowug0ng-c6f28ce51c21809f9907c10b817e3c33 ' ><div class='avia_textblock ' ><div>\n<h2>Introduction<\/h2>\n<p>Eurobalt fabrique des <a href=\"https:\/\/eurobalt.net\/fr\/verins-hydrauliques\/\">v\u00e9rins hydrauliques sur mesure<\/a> de toute complexit\u00e9, \u00e0 partir des plans ou cahiers des charges du client. Notre atelier ma\u00eetrise en interne les tubes de v\u00e9rin, les tiges usin\u00e9es et chrom\u00e9es dures, les fonds coul\u00e9s ou tourn\u00e9s dans la barre, les t\u00eates de presse-\u00e9toupe, les ensembles pistons, ainsi que les essais sous pression. Nous produisons tout, du cric compact de quelques centim\u00e8tres de course aux plongeurs de plusieurs m\u00e8tres pour presses et \u00e9quipements de levage lourds.<\/p>\n<p>Cette page pr\u00e9sente les applications de levage que nous fabriquons r\u00e9guli\u00e8rement : <strong>ascenseurs<\/strong> hydrauliques, <strong>plongeurs<\/strong> hydrauliques, <strong>crics<\/strong> hydrauliques, v\u00e9rins de <strong>benne basculante<\/strong> et v\u00e9rins de <strong>hayon<\/strong> pour camions, ainsi que v\u00e9rins de table de presse. Ci-dessous : configurations typiques, mat\u00e9riaux, et tout ce que nous usinons, soudons, chromons, peignons et testons dans notre propre atelier.<\/p>\n<p><img decoding=\"async\" class=\"aligncenter size-large wp-image-0\" src=\"https:\/\/eurobalt.net\/ru\/wp-content\/uploads\/sites\/3\/2026\/05\/hero_cylinders_chrome-1030x576.webp\" alt=\"V\u00e9rins hydrauliques termin\u00e9s, pr\u00eats \u00e0 l'exp\u00e9dition\" width=\"1030\" height=\"576\" \/><\/p>\n<h2>Vue d&rsquo;ensemble des applications<\/h2>\n<h3>Ascenseurs hydrauliques<\/h3>\n<p>V\u00e9rins pour ponts \u00e9l\u00e9vateurs (deux colonnes, quatre colonnes, ciseaux), quais de chargement, monte-charges et ascenseurs de chargement stationnaires. Le plus souvent v\u00e9rins plongeurs simple effet ou v\u00e9rins \u00e0 tirants double effet, al\u00e9sage 60 \u00e0 200 mm, course 600 \u00e0 3000 mm, pression de service 200 \u00e0 250 bar. Lorsque le client demande un montage synchronis\u00e9 \u00e0 deux v\u00e9rins, nous r\u00f4dons les al\u00e9sages par paires appari\u00e9es afin de garantir des performances identiques sur les deux unit\u00e9s.<\/p>\n<h3>Plongeurs hydrauliques (rams)<\/h3>\n<p>Dans l&rsquo;usage industriel, un \u00ab\u00a0ram\u00a0\u00bb d\u00e9signe un v\u00e9rin lourd, g\u00e9n\u00e9ralement simple effet, dont la tige fait elle-m\u00eame office de plongeur porteur. On les trouve dans les fendeuses de b\u00fbches, les presses hydrauliques, les portes d&rsquo;\u00e9cluse et les tables \u00e9l\u00e9vatrices. Al\u00e9sage 80 \u00e0 320 mm, course jusqu&rsquo;\u00e0 4 m pour les versions t\u00e9lescopiques, pression de service 250 \u00e0 350 bar. Construction soud\u00e9e avec chapes forg\u00e9es ou montures \u00e0 tourillons en standard ; cataphor\u00e8se ou peinture \u00e9poxy bicomposant pour exposition ext\u00e9rieure.<\/p>\n<div style=\"display: flex; gap: 1.5em; justify-content: center; align-items: flex-start; flex-wrap: wrap; margin: 1.5em 0;\"><img decoding=\"async\" class=\"wp-image-0\" style=\"max-width: 48%; height: auto;\" src=\"https:\/\/eurobalt.net\/ru\/wp-content\/uploads\/sites\/3\/2026\/05\/long_telescopic_ram-772x1030.webp\" alt=\"Long plongeur hydraulique t\u00e9lescopique conditionn\u00e9 pour exp\u00e9dition\" width=\"360\" height=\"480\" \/><br \/>\n<img decoding=\"async\" class=\"wp-image-0\" style=\"max-width: 48%; height: auto;\" src=\"https:\/\/eurobalt.net\/ru\/wp-content\/uploads\/sites\/3\/2026\/05\/small_jack_cylinders-773x1030.webp\" alt=\"Petits v\u00e9rins pour crics hydrauliques\" width=\"360\" height=\"480\" \/><\/div>\n<h3>Crics hydrauliques<\/h3>\n<p>Crics de levage compacts : crics bouteille, crics plats (toe jack), crics de mise \u00e0 niveau de machines, crics tendeurs de boulons. Al\u00e9sage 40 \u00e0 125 mm, course 100 \u00e0 400 mm, pression de service jusqu&rsquo;\u00e0 700 bar pour les unit\u00e9s compactes \u00e0 forte charge. Nous livrons aussi bien des corps de v\u00e9rins nus pour l&rsquo;assemblage par les OEM que des crics complets avec leviers, ressorts de rappel et soupapes de d\u00e9charge.<\/p>\n<div style=\"clear: both;\"><\/div>\n<h3>V\u00e9rins de benne, de hayon et de presse<\/h3>\n<p><img decoding=\"async\" class=\"alignright wp-image-0\" style=\"max-width: 360px; height: auto; margin: 0 0 1em 1.5em;\" src=\"https:\/\/eurobalt.net\/ru\/wp-content\/uploads\/sites\/3\/2026\/05\/small_cylinder_assemblies-772x1030.webp\" alt=\"Ensembles de v\u00e9rins pour l'hydraulique des poids lourds\" width=\"360\" height=\"480\" \/><\/p>\n<ul>\n<li><strong>V\u00e9rins de benne basculante.<\/strong> V\u00e9rins t\u00e9lescopiques simple effet qui rel\u00e8vent la benne des camions bennes et des tippers. Configurations t\u00e9lescopiques multi-\u00e9tages pour les forts tonnages ; al\u00e9sage de l&rsquo;\u00e9tage de base 90 \u00e0 180 mm, course totale 1500 \u00e0 4500 mm, pression de service 180 \u00e0 250 bar. Tourillons forg\u00e9s ou chapes avec axes tremp\u00e9s ; \u00e9tages chrom\u00e9s dur et peinture bicomposant ext\u00e9rieure en standard.<\/li>\n<li><strong>V\u00e9rins de hayon.<\/strong> V\u00e9rins double effet pour hayons \u00e9l\u00e9vateurs hydrauliques de camions et fourgons (la plateforme arri\u00e8re qui am\u00e8ne les charges au niveau du sol). Al\u00e9sage 50 \u00e0 80 mm, course 400 \u00e0 900 mm, pression de service 180 \u00e0 210 bar. Tige en acier inoxydable sur demande pour les flottes circulant en hiver dans le sel de d\u00e9neigement.<\/li>\n<li><strong>V\u00e9rins de table de presse.<\/strong> V\u00e9rin du plateau inf\u00e9rieur d&rsquo;une presse hydraulique, qui ram\u00e8ne la table (mouton) apr\u00e8s chaque course. Conceptions lourdes \u00e0 course courte, al\u00e9sage 160 \u00e0 400 mm, course en g\u00e9n\u00e9ral inf\u00e9rieure \u00e0 500 mm.<\/li>\n<\/ul>\n<div style=\"clear: both;\"><\/div>\n<h2>Configurations typiques<\/h2>\n<table>\n<thead>\n<tr>\n<th>Application<\/th>\n<th>Al\u00e9sage (mm)<\/th>\n<th>Course (mm)<\/th>\n<th>Pression de service<\/th>\n<th>Fixation<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Ascenseur v\u00e9hicule \/ quai<\/td>\n<td>60-200<\/td>\n<td>600-3000<\/td>\n<td>200-250 bar<\/td>\n<td>Bride, pied ou chape<\/td>\n<\/tr>\n<tr>\n<td>Ram lourd<\/td>\n<td>80-320<\/td>\n<td>jusqu&rsquo;\u00e0 4000 (t\u00e9lesc.)<\/td>\n<td>250-350 bar<\/td>\n<td>\u0152il forg\u00e9, tourillons ou filetage<\/td>\n<\/tr>\n<tr>\n<td>Cric compact<\/td>\n<td>40-125<\/td>\n<td>100-400<\/td>\n<td>jusqu&rsquo;\u00e0 700 bar<\/td>\n<td>Pied, base taraud\u00e9e ou filetage femelle<\/td>\n<\/tr>\n<tr>\n<td>V\u00e9rin de benne (t\u00e9lescopique)<\/td>\n<td>90-180 (base)<\/td>\n<td>jusqu&rsquo;\u00e0 4500<\/td>\n<td>180-250 bar<\/td>\n<td>Tourillons ou chape<\/td>\n<\/tr>\n<tr>\n<td>V\u00e9rin de hayon<\/td>\n<td>50-80<\/td>\n<td>400-900<\/td>\n<td>180-210 bar<\/td>\n<td>Chape sur chape<\/td>\n<\/tr>\n<tr>\n<td>V\u00e9rin de table de presse<\/td>\n<td>160-400<\/td>\n<td>jusqu&rsquo;\u00e0 500<\/td>\n<td>250-315 bar<\/td>\n<td>Bride avant<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>Les valeurs sont des plages typiques. Nous fabriquons l&rsquo;al\u00e9sage, la course et la pression que le plan d&rsquo;application impose. Par d\u00e9faut, nous respectons les normes de fixation ISO 6020-1, ISO 6022 et ISO 6020-2 ; sur demande, nous travaillons en NFPA, JIS ou en g\u00e9om\u00e9trie d&rsquo;attache enti\u00e8rement personnalis\u00e9e.<\/p>\n<h2>Mat\u00e9riaux<\/h2>\n<table>\n<thead>\n<tr>\n<th>Composant<\/th>\n<th>Norme<\/th>\n<th>Nuance<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Tube de v\u00e9rin (\u00e9tir\u00e9 \u00e0 froid, rod\u00e9)<\/td>\n<td>EN 10305-1<\/td>\n<td>E355 (\u2248 ST52, \u00e9quivalent AISI 1024)<\/td>\n<\/tr>\n<tr>\n<td>Tige<\/td>\n<td>EN 10277-2<\/td>\n<td>C45E (\u2248 AISI 1045), tremp\u00e9e par induction, chrom\u00e9e dure<\/td>\n<\/tr>\n<tr>\n<td>Fonds, t\u00eates de presse-\u00e9toupe<\/td>\n<td>EN 10025-2<\/td>\n<td>S355J2, ou forg\u00e9 en C45 pour les attaches tr\u00e8s charg\u00e9es<\/td>\n<\/tr>\n<tr>\n<td>\u0152ils forg\u00e9s, chapes<\/td>\n<td>EN 10083-2<\/td>\n<td>C45 \/ 42CrMo4<\/td>\n<\/tr>\n<tr>\n<td>Visserie<\/td>\n<td>ISO 898-1<\/td>\n<td>Classe 8.8 \/ 10.9<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>Chromage dur de la tige : 25 \u00e0 40 \u00b5m sur sous-couche de nickel, poli \u00e0 Ra \u2264 0,2 \u00b5m, ce qui donne 600+ heures au brouillard salin pour les ascenseurs ext\u00e9rieurs. Les al\u00e9sages sont rod\u00e9s et roul\u00e9s \u00e0 Ra \u2264 0,4 \u00b5m.<\/p>\n<p><img decoding=\"async\" class=\"aligncenter size-large wp-image-0\" src=\"https:\/\/eurobalt.net\/ru\/wp-content\/uploads\/sites\/3\/2026\/05\/chrome_plunger_rams-1030x773.webp\" alt=\"Tiges de piston chrom\u00e9es dur, lot de s\u00e9rie\" width=\"1030\" height=\"773\" \/><\/p>\n<h2>Fabrication interne<\/h2>\n<p><img decoding=\"async\" class=\"alignleft wp-image-0\" style=\"max-width: 360px; height: auto; margin: 0 1.5em 1em 0;\" src=\"https:\/\/eurobalt.net\/ru\/wp-content\/uploads\/sites\/3\/2026\/05\/welded_tube_bodies_batch-773x1030.webp\" alt=\"Corps de tubes de v\u00e9rin soud\u00e9s, avant usinage\" width=\"360\" height=\"480\" \/><br \/>\nLa cha\u00eene compl\u00e8te de fabrication passe par notre propre atelier. Tous les <a href=\"https:\/\/eurobalt.net\/fr\/composants-pour-verins-hydrauliques\/\">composants pour v\u00e9rins hydrauliques<\/a> cl\u00e9s sont r\u00e9alis\u00e9s chez nous :<\/p>\n<ul>\n<li><strong>Coupe et tournage.<\/strong> Scies \u00e0 ruban et tournage CNC sur tubes, barres et pi\u00e8ces forg\u00e9es.<\/li>\n<li><strong>Rodage.<\/strong> Rodage interne des tubes \u00e0 la tol\u00e9rance H8 et \u00e0 l&rsquo;\u00e9tat de surface Ra \u2264 0,4 \u00b5m.<\/li>\n<li><strong>Soudage.<\/strong> MIG\/MAG et TIG, soudeurs qualifi\u00e9s, modes op\u00e9ratoires qualifi\u00e9s EN ISO 15614.<\/li>\n<li><strong>Chromage dur<\/strong> des tiges sur notre propre ligne (diam\u00e8tre jusqu&rsquo;\u00e0 200 mm, longueur jusqu&rsquo;\u00e0 6 m).<\/li>\n<li><strong>Traitement thermique.<\/strong> Trempe par induction de la surface de tige (HRC 50-55, profondeur 1,5-2 mm) ; trempe \u00e0 c\u0153ur ou normalisation des pi\u00e8ces forg\u00e9es par des partenaires titulaires d&rsquo;un certificat EN 10204 type 3.1.<\/li>\n<li><strong>Peinture.<\/strong> Syst\u00e8mes \u00e9poxy ou polyur\u00e9thane bicomposants ; cataphor\u00e8se sur demande pour environnement tr\u00e8s corrosif.<\/li>\n<li><strong>Assemblage.<\/strong> Pochettes d&rsquo;\u00e9tanch\u00e9it\u00e9 Parker, Trelleborg, Hallite, Merkel ; jeux d&rsquo;\u00e9tanch\u00e9it\u00e9 sp\u00e9cifiques selon sp\u00e9cification client.<\/li>\n<li><strong>Essais sous pression.<\/strong> Chaque v\u00e9rin est test\u00e9 \u00e0 1,5 fois la pression nominale et parcouru sur toute la course avant exp\u00e9dition.<\/li>\n<\/ul>\n<div style=\"clear: both;\"><\/div>\n<h2>Contr\u00f4le qualit\u00e9<\/h2>\n<p><img decoding=\"async\" class=\"alignright wp-image-0\" style=\"max-width: 360px; height: auto; margin: 0 0 1em 1.5em;\" src=\"https:\/\/eurobalt.net\/ru\/wp-content\/uploads\/sites\/3\/2026\/05\/weld_closeup_qc-773x1030.webp\" alt=\"Contr\u00f4le de soudure : gros plan d'une jonction tube \/ fond\" width=\"360\" height=\"480\" \/><br \/>\nNotre <a href=\"https:\/\/eurobalt.net\/fr\/qualite\/\">programme qualit\u00e9<\/a> suit chaque v\u00e9rin de la mati\u00e8re premi\u00e8re \u00e0 l&rsquo;exp\u00e9dition :<\/p>\n<ul>\n<li>Contr\u00f4le dimensionnel 100 % de l&rsquo;al\u00e9sage, de la tige et des g\u00e9om\u00e9tries de fixation par rapport au plan.<\/li>\n<li>Rugosit\u00e9 de la tige et \u00e9paisseur de la couche de chrome mesur\u00e9es apr\u00e8s chromage.<\/li>\n<li>Contr\u00f4le des soudures : 100 % visuel ; magn\u00e9toscopie (MT) ou ressuage (PT) sur les soudures critiques ; ultrasons (UT) sur les soudures \u00e0 pleine p\u00e9n\u00e9tration lorsque l&rsquo;application l&rsquo;exige.<\/li>\n<li>Essai hydrostatique \u00e0 1,5 fois la pression de service, maintien 3 minutes, fuite nulle et d\u00e9formation r\u00e9manente nulle.<\/li>\n<li>Essai fonctionnel : sortie et rentr\u00e9e pleine course, test de d\u00e9rive, fuite au joint piston mesur\u00e9e selon ISO 10100.<\/li>\n<li>Certificats mati\u00e8re EN 10204 type 3.1 pour tube, tige et pi\u00e8ces forg\u00e9es conserv\u00e9s ; copies fournies sur demande client.<\/li>\n<\/ul>\n<div style=\"clear: both;\"><\/div>\n<p><img decoding=\"async\" class=\"aligncenter size-large wp-image-0\" src=\"https:\/\/eurobalt.net\/ru\/wp-content\/uploads\/sites\/3\/2026\/05\/eye_end_housings-1030x773.webp\" alt=\"\u0152ils de fixation forg\u00e9s, finition usin\u00e9e\" width=\"1030\" height=\"773\" \/><\/p>\n<h2>Normes de r\u00e9f\u00e9rence<\/h2>\n<table>\n<thead>\n<tr>\n<th>Domaine<\/th>\n<th>Norme<\/th>\n<th>Application<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Fixations de v\u00e9rin<\/td>\n<td>ISO 6020-1, ISO 6020-2, ISO 6022<\/td>\n<td>Interfaces de fixation standard<\/td>\n<\/tr>\n<tr>\n<td>Tubes de v\u00e9rin<\/td>\n<td>EN 10305-1<\/td>\n<td>Tubes de pr\u00e9cision \u00e9tir\u00e9s \u00e0 froid<\/td>\n<\/tr>\n<tr>\n<td>Tiges<\/td>\n<td>EN 10277-2<\/td>\n<td>Barre d&rsquo;acier calibr\u00e9<\/td>\n<\/tr>\n<tr>\n<td>Qualification du soudage<\/td>\n<td>EN ISO 15614<\/td>\n<td>WPS pour soudures tube \/ fond<\/td>\n<\/tr>\n<tr>\n<td>Certificats mati\u00e8re<\/td>\n<td>EN 10204 type 3.1<\/td>\n<td>Certificats usine tra\u00e7ables \u00e0 la coul\u00e9e<\/td>\n<\/tr>\n<tr>\n<td>Propret\u00e9 du fluide hydraulique<\/td>\n<td>ISO 4406<\/td>\n<td>Propret\u00e9 du fluide pour le banc d&rsquo;essai<\/td>\n<\/tr>\n<tr>\n<td>Fuites du v\u00e9rin<\/td>\n<td>ISO 10100<\/td>\n<td>Crit\u00e8res de r\u00e9ception des joints piston<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<hr \/>\n<p><em>Eurobalt : fabrication de v\u00e9rins hydrauliques sur mesure en Europe. Les v\u00e9rins de levage et de manutention font partie de nos sp\u00e9cialit\u00e9s permanentes.<\/em><\/p>\n<p><strong>\u00c0 lire ensuite.<\/strong> Plut\u00f4t que d&rsquo;acheter neuf, vous maintenez un parc existant ? Voyez notre article sur la <a href=\"https:\/\/eurobalt.net\/fr\/blog\/2026\/05\/05\/linear-actuator-repair\/\">r\u00e9paration des v\u00e9rins hydrauliques et la production de pi\u00e8ces d\u00e9tach\u00e9es en lots<\/a>.<\/p>\n<\/div>\n<\/div><\/section>\n<div  class='av_promobox av-mp2aqxzf-e28200ad9a6f6850e9a3c89822038ca9 avia-button-yes  avia-builder-el-2  el_after_av_textblock  avia-builder-el-last  '><div class='avia-promocontent'><p>\n<strong>Besoin d&rsquo;un v\u00e9rin hydraulique sur mesure ?<\/strong><br \/>\nEnvoyez vos plans ou cahiers des charges \u00e0 <a href=\"mailto:office@eurobalt.net\" data-href=\"mailto:office@eurobalt.net\">office@eurobalt.net<\/a> pour devis. Pi\u00e8ces unitaires, lots prototypes et s\u00e9ries sont les bienvenus.<\/p>\n<\/div><div  class='avia-button-wrap avia-button-right ' ><a href='https:\/\/eurobalt.net\/contacts\/'  class='avia-button av-mp2aqxzf-9f0ffeb7a8042f59bffd4fa8a91798d8 avia-icon_select-no avia-size-large avia-position-right avia-color-theme-color ' ><span class='avia_iconbox_title' >Contact<\/span><\/a><\/div><\/div>\n","protected":false},"excerpt":{"rendered":"<p>Eurobalt fabrique des v\u00e9rins hydrauliques pour ascenseurs, plongeurs (rams), crics et actionneurs de lits r\u00e9glables. Sur plan client, test\u00e9s en interne.<\/p>\n","protected":false},"author":3,"featured_media":2960,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[25],"tags":[643,1728],"class_list":["post-2959","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-actualites","tag-accessoires-pour-verins-hydrauliques","tag-verins-hydrauliques"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v23.9 (Yoast SEO v28.4) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>V\u00e9rins hydrauliques: ascenseurs, plongeurs, crics - Eurobalt<\/title>\n<meta name=\"description\" content=\"Eurobalt fabrique des v\u00e9rins hydrauliques pour ascenseurs, plongeurs (rams), crics et actionneurs de lits r\u00e9glables. 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