{"id":37140,"date":"2021-12-09T10:33:02","date_gmt":"2021-12-09T10:33:02","guid":{"rendered":"https:\/\/www.pei.it\/cz-roletove-kryty-standard\/soffietti-di-protezione-piani-standard\/"},"modified":"2026-03-27T10:59:25","modified_gmt":"2026-03-27T10:59:25","slug":"standard-flat-protective-bellows","status":"publish","type":"post","link":"https:\/\/www.pei.it\/en\/products\/standard-flat-protective-bellows\/","title":{"rendered":"Flat protective bellows without laminations"},"content":{"rendered":"<div class=\"wpb-content-wrapper\">[vc_row][vc_column][vc_row_inner element_id=&#8221;595341&#8243;][vc_column_inner width=&#8221;3\/5&#8243;]<div class=\"avt_masterslider_el \" >\n\t\t<!-- MasterSlider -->\n\t\t<div id=\"P_MS696fa2cf9325d\" class=\"master-slider-parent ms-thumbs-template ms-parent-id-30\" style=\"max-width:820px;\" >\n\n\t\t\t\n\t\t\t<!-- MasterSlider Main -->\n\t\t\t<div id=\"MS696fa2cf9325d\" class=\"master-slider ms-skin-black-2 round-skin\" >\n\t\t\t\t \t\t\t\t \n\t\t\t<div  class=\"ms-slide\" data-delay=\"3\" data-fill-mode=\"fit\"   >\n\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.pei.it\/wp-content\/plugins\/masterslider\/public\/assets\/css\/blank.gif\" alt=\"Soffietti Piani Standard\" title=\"soffietti-termosaldati\" data-src=\"https:\/\/www.pei.it\/wp-content\/uploads\/2021\/11\/soffietti-termosaldati.jpg\" \/>\n\n\n\t<img loading=\"lazy\" decoding=\"async\" class=\"ms-thumb\" src=\"https:\/\/www.pei.it\/wp-content\/uploads\/2021\/11\/soffietti-termosaldati-130x80.jpg\" alt=\"Soffietti Piani Standard\" \/>\n\t\t\t\t<\/div>\n\t\t\t<div  class=\"ms-slide\" data-delay=\"3\" data-fill-mode=\"fit\"   >\n\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.pei.it\/wp-content\/plugins\/masterslider\/public\/assets\/css\/blank.gif\" alt=\"Descrittiva Soffietti Piani Standard\" title=\"soffietti-piani-standard\" data-src=\"https:\/\/www.pei.it\/wp-content\/uploads\/2021\/11\/Soffietti-piani-standard-particolari.png\" \/>\n\n\n\t<img loading=\"lazy\" decoding=\"async\" class=\"ms-thumb\" src=\"https:\/\/www.pei.it\/wp-content\/uploads\/2021\/11\/Soffietti-piani-standard-particolari-130x80.png\" alt=\"Descrittiva Soffietti Piani Standard\" \/>\n\t\t\t\t<\/div>\n\n\t\t\t<\/div>\n\t\t\t<!-- END MasterSlider Main -->\n\n\t\t\t \n\t\t<\/div>\n\t\t<!-- END MasterSlider -->\n\n\t\t<script>\n\t\t( window.MSReady = window.MSReady || [] ).push( function( $ ) {\n\n\t\t\t\"use strict\";\n\t\t\tvar masterslider_325d = new MasterSlider();\n\n\t\t\t\/\/ slider controls\n\t\t\tmasterslider_325d.control('arrows'     ,{ autohide:true, overVideo:true  });\n\t\t\tmasterslider_325d.control('thumblist'  ,{ autohide:false, overVideo:true, dir:'h', speed:17, inset:false, arrows:false, hover:false, customClass:'', align:'bottom',type:'thumbs', margin:5, width:130, height:80, space:7, fillMode:'fill'  });\n\t\t\t\/\/ slider setup\n\t\t\tmasterslider_325d.setup(\"MS696fa2cf9325d\", {\n\t\t\t\twidth           : 850,\n\t\t\t\theight          : 850,\n\t\t\t\tminHeight       : 0,\n\t\t\t\tspace           : 0,\n\t\t\t\tstart           : 1,\n\t\t\t\tgrabCursor      : true,\n\t\t\t\tswipe           : true,\n\t\t\t\tmouse           : true,\n\t\t\t\tkeyboard        : false,\n\t\t\t\tlayout          : \"boxed\",\n\t\t\t\twheel           : false,\n\t\t\t\tautoplay        : false,\n                instantStartLayers:false,\n\t\t\t\tmobileBGVideo:false,\n\t\t\t\tloop            : false,\n\t\t\t\tshuffle         : false,\n\t\t\t\tpreload         : 2,\n\t\t\t\theightLimit     : true,\n\t\t\t\tautoHeight      : false,\n\t\t\t\tsmoothHeight    : true,\n\t\t\t\tendPause        : false,\n\t\t\t\toverPause       : true,\n\t\t\t\tfillMode        : \"fill\",\n\t\t\t\tcenterControls  : true,\n\t\t\t\tstartOnAppear   : false,\n\t\t\t\tlayersMode      : \"center\",\n\t\t\t\tautofillTarget  : \"\",\n\t\t\t\thideLayers      : false,\n\t\t\t\tfullscreenMargin: 0,\n\t\t\t\tspeed           : 20,\n\t\t\t\tdir             : \"h\",\n\t\t\t\tresponsive      : true,\n\t\t\t\ttabletWidth     : 768,\n\t\t\t\ttabletHeight    : null,\n\t\t\t\tphoneWidth      : 480,\n\t\t\t\tphoneHeight    : null,\n\t\t\t\tsizingReference : window,\n\t\t\t\tparallaxMode    : 'swipe',\n\t\t\t\tview            : \"fade\"\n\t\t\t});\n\n\t\t\t\n\t\t\twindow.masterslider_instances = window.masterslider_instances || [];\n\t\t\twindow.masterslider_instances.push( masterslider_325d );\n\t\t});\n\t\t<\/script>\n\n<\/div>[vc_empty_space height=&#8221;50px&#8221;][\/vc_column_inner][vc_column_inner width=&#8221;2\/5&#8243;][vc_empty_space height=&#8221;20px&#8221;][vc_btn title=&#8221;Contacts for this product&#8221; style=&#8221;outline-custom&#8221; outline_custom_color=&#8221;#1e73be&#8221; outline_custom_hover_background=&#8221;#e34529&#8243; outline_custom_hover_text=&#8221;#ffffff&#8221; shape=&#8221;round&#8221; link=&#8221;url:%23form|title:TMP1-Coperture%20Telescopiche|&#8221; el_class=&#8221;bottone_template&#8221;]<h4 class=\"et-heading text-align-left tablet-text-align-inherit mobile-text-align-inherit animate-false no-animation-type testo_template\" id=\"et-heading-535844\" data-delay=\"0\" data-mobile-font=\"inherit\" data-mobile-line-height=\"inherit\" data-tablet-landscape-font=\"inherit\" data-tablet-portrait-font=\"inherit\" data-tablet-landscape-line-height=\"inherit\" data-tablet-portrait-line-height=\"inherit\" data-parallax=\"false\" data-move=\"false\" data-coordinatex=\"0\" data-coordinatey=\"0\" data-speed=\"10\"><span class=\"text-wrapper\"><span class=\"text\">Thermic-welded flat bellows: more safety for machine tool guides<\/span><\/span><\/h4>[vc_column_text animation_delay=&#8221;0&#8243; el_class=&#8221;testo_template&#8221;]The <strong>P.E.I.<\/strong> thermic-welded flat covers guarantee optimal protection for any type of machine tool thanks to the different shapes and the high-quality of the materials. The selected materials are wear-proof and heat-resistant, making the standard <strong>P.E.I.<\/strong> thermic-welded covers ideal for protecting the parts of machine tools.<\/p>\n<p><strong>P.E.I. <\/strong>thermic-welded flat bellows are composed of:<\/p>\n<ul>\n<li><strong>Bellows (1)<\/strong>: fabrics resistant to water, oil, coolants, dust and shavings.<\/li>\n<li><strong>PVC supports (2)<\/strong>: give rigidity to the entire bellows and are cut to fit according to the profile of the customer&#8217;s guides.<\/li>\n<li><strong>Connection flanges (3 and 4)<\/strong>: for simple attachment to the machine.<\/li>\n<\/ul>\n[\/vc_column_text][vc_empty_space height=&#8221;50px&#8221;][\/vc_column_inner][\/vc_row_inner][vc_separator color=&#8221;sky&#8221;][\/vc_column][\/vc_row][vc_row element_id=&#8221;840365&#8243; css=&#8221;.vc_custom_1635159784796{padding-top: 50px !important;}&#8221;][vc_column animation_delay=&#8221;0&#8243; element_id=&#8221;165733&#8243; crp=&#8221;480:i:i,480-768:i:i,768-1024:i:i,1024-1280:i:i,1280-1366:i:i,1366-1600:i:i,1600-1920:i:i&#8221; el_class=&#8221;colonna_tab_template&#8221;]<div class=\"et-tab-wrapper\"><div id=\"et-tab-1\" class=\"et-tab et-clearfix center-false horizontal\"><div data-target=\"tab-data\" class=\"active tab et-clearfix\"><h6 class=\"tab-title-tag\">Data<\/h6><\/div> <div id=\"tab-data-1\" class=\"tab-content et-clearfix\">[vc_row_inner element_id=&#8221;839507&#8243;][vc_column_inner width=&#8221;1\/2&#8243;]<h4 class=\"et-heading text-align-left tablet-text-align-inherit mobile-text-align-inherit animate-false no-animation-type testo_template\" id=\"et-heading-856870\" data-delay=\"0\" data-mobile-font=\"inherit\" data-mobile-line-height=\"inherit\" data-tablet-landscape-font=\"inherit\" data-tablet-portrait-font=\"inherit\" data-tablet-landscape-line-height=\"inherit\" data-tablet-portrait-line-height=\"inherit\" data-parallax=\"false\" data-move=\"false\" data-coordinatex=\"0\" data-coordinatey=\"0\" data-speed=\"10\"><span class=\"text-wrapper\"><span class=\"text\">Data<\/span><\/span><\/h4>[vc_single_image image=&#8221;52577&#8243; img_size=&#8221;full&#8221; css=&#8221;.vc_custom_1680870759886{margin-top: 20px !important;}&#8221; el_class=&#8221;immagine_template&#8221;][\/vc_column_inner][vc_column_inner width=&#8221;1\/2&#8243;][vc_column_text animation_delay=&#8221;0&#8243; css=&#8221;.vc_custom_1764232340042{padding-top: 50px !important;}&#8221; el_class=&#8221;testo_template&#8221;]Definition of data for the calculation of the closed length of PEI thermic-welded flat bellows<\/p>\n<p><strong>P.A. =<\/strong> Open length<\/p>\n<p><strong>P.C. =<\/strong> Closed length<\/p>\n<p><strong>LC (Stroke) =<\/strong> Open length \u2013 closed length<\/p>\n<p><strong>AP =<\/strong> Open fold<\/p>\n<p><strong>B =<\/strong> Bellows width<\/p>\n<p><strong>a =<\/strong> Bellows height<\/p>\n<p><strong>x =<\/strong> Fold height[\/vc_column_text][\/vc_column_inner][\/vc_row_inner][vc_separator css=&#8221;.vc_custom_1635407629712{padding-top: 50px !important;padding-bottom: 50px !important;}&#8221;]<\/div><div data-target=\"tab-formulae\" class=\"false tab et-clearfix\"><h6 class=\"tab-title-tag\">Formulae<\/h6><\/div> <div id=\"tab-formulae-2\" class=\"tab-content et-clearfix\">[vc_row_inner][vc_column_inner width=&#8221;1\/2&#8243;][vc_single_image image=&#8221;62486&#8243; img_size=&#8221;full&#8221; css=&#8221;&#8221; el_class=&#8221;immagine_template&#8221;][\/vc_column_inner][vc_column_inner width=&#8221;1\/2&#8243;][vc_column_text animation_delay=&#8221;0&#8243; css=&#8221;.vc_custom_1764232457983{padding-top: 50px !important;}&#8221; el_class=&#8221;testo_template&#8221;]Indicative formula for calculating the closed length of thermic-welded flat bellows<\/p>\n<p>* <a href=\"https:\/\/www.pei.it\/wp-content\/uploads\/2021\/11\/Material_List_Table_2023.pdf\" target=\"_blank\" rel=\"noopener\">See list of materials<\/a><\/p>\n<p><a href=\"https:\/\/www.pei.it\/en\/contact-us\/\">Contact our technical department<\/a>[\/vc_column_text][\/vc_column_inner][\/vc_row_inner][vc_separator css=&#8221;.vc_custom_1635407731368{padding-top: 50px !important;padding-bottom: 50px !important;}&#8221;][vc_row_inner][vc_column_inner width=&#8221;1\/2&#8243;][vc_single_image image=&#8221;62494&#8243; img_size=&#8221;full&#8221; css=&#8221;&#8221; el_class=&#8221;immagine_template&#8221;][\/vc_column_inner][vc_column_inner width=&#8221;1\/2&#8243;][vc_column_text animation_delay=&#8221;0&#8243; css=&#8221;.vc_custom_1774609122769{padding-top: 50px !important;}&#8221; el_class=&#8221;testo_template&#8221;]<strong>Example of calculation<\/strong><\/p>\n<p>* We hypothesise the material of the bellows with the code \u201cTEMAT015\u201d<\/p>\n<p>** We hypothesise that the thickness of the support is 1 mm<\/p>\n<p>*** We hypothesise that the thickness of the flange is 2 mm<\/p>\n<p><a href=\"https:\/\/www.pei.it\/wp-content\/uploads\/2021\/11\/Material_List_Table_2023.pdf\" target=\"_blank\" rel=\"noopener\">See list of materials<\/a>[\/vc_column_text][\/vc_column_inner][\/vc_row_inner][vc_separator css=&#8221;.vc_custom_1635407731368{padding-top: 50px !important;padding-bottom: 50px !important;}&#8221;]<\/div><div data-target=\"tab-standard-materials\" class=\"false tab et-clearfix\"><h6 class=\"tab-title-tag\">Standard Materials<\/h6><\/div> <div id=\"tab-standard-materials-3\" class=\"tab-content et-clearfix\">[vc_row_inner][vc_column_inner]<h4 class=\"et-heading text-align-left tablet-text-align-inherit mobile-text-align-inherit animate-false no-animation-type testo_template\" id=\"et-heading-967368\" data-delay=\"0\" data-mobile-font=\"inherit\" data-mobile-line-height=\"inherit\" data-tablet-landscape-font=\"inherit\" data-tablet-portrait-font=\"inherit\" data-tablet-landscape-line-height=\"inherit\" data-tablet-portrait-line-height=\"inherit\" data-parallax=\"false\" data-move=\"false\" data-coordinatex=\"0\" data-coordinatey=\"0\" data-speed=\"10\"><span class=\"text-wrapper\"><span class=\"text\">Standard Materials<\/span><\/span><\/h4>[vc_column_text animation_delay=&#8221;0&#8243;]The fabrics selected by PEI have excellent mechanical resistance and resist bending or folding that might occur during operation in the machine. They have excellent resistance to petroleum products, oils and strong abrasion, small welding splashes or incandescent material.<\/p>\n<p>Main strength characteristics of the bellows materials:<\/p>\n<table class=\"table table-bordered wide-table\" style=\"width: 90%;\" border=\"0\">\n<tbody>\n<tr>\n<td rowspan=\"3\" align=\"center\"><strong>Fabric material code<\/strong><\/td>\n<td colspan=\"3\" align=\"center\"><strong>Description<\/strong><\/td>\n<td rowspan=\"3\" align=\"center\"><strong>Thickness<\/strong><br \/>\n<strong>(mm)<\/strong><\/td>\n<td colspan=\"3\" align=\"center\"><strong>Heat resistance<\/strong><\/td>\n<td style=\"width: 30%;\" rowspan=\"3\" align=\"center\"><strong>Primary resistance characteristics<\/strong><\/td>\n<\/tr>\n<tr>\n<td rowspan=\"2\" align=\"center\">Visible side<\/td>\n<td rowspan=\"2\" align=\"center\">Fabric insert<\/td>\n<td rowspan=\"2\" align=\"center\">Internal side<\/td>\n<td rowspan=\"2\" align=\"center\">Momentary contact\u00a0\u00b0C<\/td>\n<td colspan=\"2\" align=\"center\">Continuous<\/td>\n<\/tr>\n<tr>\n<td align=\"center\">min. \u00b0C<\/td>\n<td align=\"center\">max. \u00b0C<\/td>\n<\/tr>\n<tr>\n<td align=\"center\"><strong>TEMAT 106<\/strong><\/td>\n<td align=\"center\">Ptfe<\/td>\n<td align=\"center\">Polyester<\/td>\n<td align=\"center\"><\/td>\n<td align=\"center\">0,30<\/td>\n<td align=\"center\">+200<\/td>\n<td align=\"center\">-30<\/td>\n<td align=\"center\">+120<\/td>\n<td>\n<div style=\"min-width: 200px;\"><\/div>\n<div class=\"long-text-cell\">Excellent resistance to oils and chemical products. No adhesive surface. Low friction coefficient. Excellent chemical inertia. Excellent resistance to abrasion and bending strength. <strong>Mainly used in grinding machines.<\/strong><\/div>\n<\/td>\n<\/tr>\n<tr>\n<td align=\"center\"><strong>TEMAT 015<\/strong><\/td>\n<td align=\"center\">Polyurethane<\/td>\n<td align=\"center\">Polyester<\/td>\n<td align=\"center\">Polyurethane<\/td>\n<td align=\"center\">0,25<\/td>\n<td align=\"center\">+200<\/td>\n<td align=\"center\">-30<\/td>\n<td align=\"center\">+ 90<\/td>\n<td rowspan=\"2\">\n<div style=\"min-width: 200px;\"><\/div>\n<div class=\"long-text-cell\">Excellent resistance to petroleum products, oils and heavy abrasion. Excellent bending strength.<\/div>\n<\/td>\n<\/tr>\n<tr>\n<td align=\"center\"><strong>TEMAT 151<\/strong><\/td>\n<td align=\"center\">Polyurethane<\/td>\n<td align=\"center\">Polyester<\/td>\n<td align=\"center\">Polyurethane<\/td>\n<td align=\"center\">0,35<\/td>\n<td align=\"center\">+200<\/td>\n<td align=\"center\">-30<\/td>\n<td align=\"center\">+ 90<\/td>\n<\/tr>\n<tr>\n<td align=\"center\"><strong>TEMAT 164<\/strong><\/td>\n<td align=\"center\">Polyurethane<\/td>\n<td align=\"center\">Kevlar*<\/td>\n<td align=\"center\">Polyurethane<\/td>\n<td align=\"center\">0,35<\/td>\n<td align=\"center\">+350<\/td>\n<td align=\"center\">-30<\/td>\n<td align=\"center\">+180<\/td>\n<td>\n<div style=\"min-width: 200px;\"><\/div>\n<div class=\"long-text-cell\">Excellent resistance to petroleum products, oils and heavy abrasion. Excellent bending strength. Excellent mechanical strength. Kevlar also has excellent shear strength. Normally used when there is heavy mechanical stress, a large amount of sharp shavings, and at high temperatures. <strong>Self-extinguishing.<\/strong><\/div>\n<\/td>\n<\/tr>\n<tr>\n<td align=\"center\"><strong>TEMAT 165<\/strong><\/td>\n<td align=\"center\">Polyurethane<\/td>\n<td align=\"center\">Nomex*<\/td>\n<td align=\"center\">Polyurethane<\/td>\n<td align=\"center\">0,36<\/td>\n<td align=\"center\">+300<\/td>\n<td align=\"center\">-30<\/td>\n<td align=\"center\">+130<\/td>\n<td>\n<div style=\"min-width: 200px;\"><\/div>\n<div class=\"long-text-cell\">Excellent resistance to petroleum products, oils and heavy abrasion. Excellent bending strength. Excellent mechanical strength. Good resistance to minor welding splatter or hot material. Widely used in laser cutting machines.<br \/>\n<strong>Self-extinguishing.<\/strong><\/div>\n<\/td>\n<\/tr>\n<tr>\n<td align=\"center\"><strong>TEMAT 169<\/strong><\/td>\n<td align=\"center\">Polyurethane<\/td>\n<td align=\"center\">Panox*\/Kevlar<\/td>\n<td align=\"center\">Polyurethane<\/td>\n<td align=\"center\">0,33<\/td>\n<td align=\"center\">+300<\/td>\n<td align=\"center\">-30<\/td>\n<td align=\"center\">+130<\/td>\n<td>\n<div style=\"min-width: 200px;\"><\/div>\n<div class=\"long-text-cell\">Excellent resistance to petroleum products, oils and heavy abrasion . Excellent bending strength. Excellent mechanical strength. Good resistance to minor welding splatter or hot material.\u2008<strong>It may be considered as the best fabric on the market for use in laser cutting machines. Self-extinguishing.<\/strong><\/div>\n<\/td>\n<\/tr>\n<tr>\n<td align=\"center\"><strong>TEMAT 017<\/strong><\/td>\n<td align=\"center\">PVC<\/td>\n<td align=\"center\">Polyester<\/td>\n<td align=\"center\">PVC<\/td>\n<td align=\"center\">0,36<\/td>\n<td align=\"center\">+100<\/td>\n<td align=\"center\">-30<\/td>\n<td align=\"center\">+ 70<\/td>\n<td rowspan=\"2\">\n<div style=\"min-width: 200px;\"><\/div>\n<div class=\"long-text-cell\">Mainly used around heavy ambient dust, minor splatters of coolant and oil. Also suitable for use around acids.<\/div>\n<\/td>\n<\/tr>\n<tr>\n<td align=\"center\"><strong>TEMAT 020<\/strong><\/td>\n<td align=\"center\">PVC<\/td>\n<td align=\"center\">Polyester<\/td>\n<td align=\"center\">PVC<\/td>\n<td align=\"center\">0,25<\/td>\n<td align=\"center\">+100<\/td>\n<td align=\"center\">-30<\/td>\n<td align=\"center\">+ 70<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>* Kevlar, Panox and Nomex are registered trademarks.<\/p>\n<p>SPECIAL MATERIALS are also available for specific jobs.<a href=\"https:\/\/www.pei.it\/en\/contact-us\/\"> Contact our technical office.<\/a>[\/vc_column_text][\/vc_column_inner][\/vc_row_inner][vc_separator css=&#8221;.vc_custom_1635407750008{padding-top: 50px !important;padding-bottom: 50px !important;}&#8221;][vc_row_inner][vc_column_inner][vc_column_text animation_delay=&#8221;0&#8243;]\n<table style=\"width: 100%; border-collapse: collapse;\">\n<tbody>\n<tr>\n<td style=\"width: 99.9442%;\" colspan=\"4\"><\/td>\n<\/tr>\n<tr style=\"background-color: #b8e1fe; border-color: #616161;\">\n<td style=\"width: 23.7298%;\"><strong>Support Material<\/strong><\/td>\n<td style=\"width: 15.0754%;\"><strong>Description<\/strong><\/td>\n<td style=\"width: 15.9129%;\"><strong>Width (mm)<\/strong><\/td>\n<td style=\"width: 45.2261%;\"><strong>Note<\/strong><\/td>\n<\/tr>\n<tr>\n<td style=\"width: 23.7298%;\">PVC 05<\/td>\n<td style=\"width: 15.0754%;\">PVC<\/td>\n<td style=\"width: 15.9129%;\">0,50<\/td>\n<td style=\"width: 45.2261%;\">Bellow lenght (B) until 300 mm<\/td>\n<\/tr>\n<tr>\n<td style=\"width: 23.7298%;\">PVC 10<\/td>\n<td style=\"width: 15.0754%;\">PVC<\/td>\n<td style=\"width: 15.9129%;\">1,00<\/td>\n<td style=\"width: 45.2261%;\">Bellow lenght (B) from 301 to 700 mm<\/td>\n<\/tr>\n<tr>\n<td style=\"width: 23.7298%;\">PVC 15<\/td>\n<td style=\"width: 15.0754%;\">PVC<\/td>\n<td style=\"width: 15.9129%;\">1,50<\/td>\n<td style=\"width: 45.2261%;\">Bellow lenght (B) from 701 to 1500 mm<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>The PVC support, designed to measure with the shape of the customer&#8217;s guides and welded to each fold of the bellows, gives the heat-sealed bellows excellent stability.[\/vc_column_text][\/vc_column_inner][\/vc_row_inner][vc_separator css=&#8221;.vc_custom_1635407750008{padding-top: 50px !important;padding-bottom: 50px !important;}&#8221;][vc_row_inner][vc_column_inner][vc_column_text animation_delay=&#8221;0&#8243;]\n<table style=\"width: 100%; height: 139px;\" width=\"100%\">\n<tbody>\n<tr style=\"height: 48px; background-color: #b8e1fe; border-color: #616161;\">\n<td style=\"width: 16.8491%; height: 48px;\" width=\"186\"><strong>Flange Material<\/strong><\/td>\n<td style=\"width: 27.9191%; height: 48px;\" width=\"207\"><strong>Description<\/strong><\/td>\n<td style=\"width: 35.7508%; height: 48px;\" width=\"214\"><strong>Width (mm)<\/strong><\/td>\n<\/tr>\n<tr style=\"height: 24px;\">\n<td style=\"width: 16.8491%; height: 24px;\" width=\"186\">AL<\/td>\n<td style=\"width: 27.9191%; height: 24px;\" width=\"207\">Aluminium<\/td>\n<td style=\"width: 35.7508%; height: 24px;\" width=\"214\">2-3-4-5<\/td>\n<\/tr>\n<tr style=\"height: 24px;\">\n<td style=\"width: 16.8491%; height: 24px;\" width=\"186\">INOX<\/td>\n<td style=\"width: 27.9191%; height: 24px;\" width=\"207\">AISI304<\/td>\n<td style=\"width: 35.7508%; height: 24px;\" width=\"214\">1-1,5-2-2,5-3<\/td>\n<\/tr>\n<tr style=\"height: 24px;\">\n<td style=\"width: 16.8491%; height: 24px;\" width=\"186\">AC<\/td>\n<td style=\"width: 27.9191%; height: 24px;\" width=\"207\">Carbon Steel<\/td>\n<td style=\"width: 35.7508%; height: 24px;\" width=\"214\">1-1,5-2-2,5-3-4-5<\/td>\n<\/tr>\n<tr style=\"height: 19px;\">\n<td style=\"width: 16.8491%; height: 19px;\" width=\"186\">PVC<\/td>\n<td style=\"width: 27.9191%; height: 19px;\" width=\"207\">PVC<\/td>\n<td style=\"width: 35.7508%; height: 19px;\" width=\"214\">1-1,5-2-3<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>The anchoring of the bellows to the machines takes place through the end part of the bellows equipped with rigid flanges in aluminium, stainless steel, carbon steel and PVC.[\/vc_column_text][\/vc_column_inner][\/vc_row_inner][vc_separator css=&#8221;.vc_custom_1635407750008{padding-top: 50px !important;padding-bottom: 50px !important;}&#8221;]<\/div><div data-target=\"tab-flanges\" class=\"false tab et-clearfix\"><h6 class=\"tab-title-tag\">Flanges<\/h6><\/div> <div id=\"tab-flanges-4\" class=\"tab-content et-clearfix\">[vc_row_inner][vc_column_inner width=&#8221;1\/2&#8243;]<h4 class=\"et-heading text-align-left tablet-text-align-inherit mobile-text-align-inherit animate-false no-animation-type testo_template\" id=\"et-heading-387407\" data-delay=\"0\" data-mobile-font=\"inherit\" data-mobile-line-height=\"inherit\" data-tablet-landscape-font=\"inherit\" data-tablet-portrait-font=\"inherit\" data-tablet-landscape-line-height=\"inherit\" data-tablet-portrait-line-height=\"inherit\" data-parallax=\"false\" data-move=\"false\" data-coordinatex=\"0\" data-coordinatey=\"0\" data-speed=\"10\"><span class=\"text-wrapper\"><span class=\"text\">Fixing<\/span><\/span><\/h4>[vc_empty_space][vc_single_image image=&#8221;35458&#8243; img_size=&#8221;full&#8221; el_class=&#8221;immagine_template&#8221;][vc_column_text animation_delay=&#8221;0&#8243;]\n<ol>\n<li>= Flange<\/li>\n<\/ol>\n[\/vc_column_text][\/vc_column_inner][vc_column_inner width=&#8221;1\/2&#8243;][vc_column_text animation_delay=&#8221;0&#8243; css=&#8221;.vc_custom_1681980920107{padding-top: 50px !important;}&#8221; el_class=&#8221;testo_template&#8221;]Attachment flange fixing systems<\/p>\n<p><b>&#8211;Type A et Type I<\/b><\/p>\n<ul>\n<li>Solution with connection flange Type A: Flange covered by the fabric of the bellows (without last support)<\/li>\n<li>Solution with Type I attachment flange: Painted flange fixed to the last support of the bellows<\/li>\n<li>Solution with attachment flange in steel, aluminium or PVC sheet<\/li>\n<li>Shape and drilling according to the customer&#8217;s drawing<\/li>\n<\/ul>\n[\/vc_column_text][\/vc_column_inner][\/vc_row_inner][vc_separator css=&#8221;.vc_custom_1635407765106{padding-top: 50px !important;padding-bottom: 50px !important;}&#8221;][vc_row_inner][vc_column_inner width=&#8221;1\/2&#8243;][vc_empty_space][vc_single_image image=&#8221;35466&#8243; img_size=&#8221;full&#8221; el_class=&#8221;immagine_template&#8221;][\/vc_column_inner][vc_column_inner width=&#8221;1\/2&#8243;][vc_column_text animation_delay=&#8221;0&#8243; css=&#8221;.vc_custom_1644689299622{padding-top: 50px !important;}&#8221; el_class=&#8221;testo_template&#8221;]Attachment flange fixing systems<\/p>\n<p><strong>\u2013Type B1 and Type B2<\/strong><\/p>\n<ul>\n<li>Solution with connection flange Type B1: Flange that protrudes entirely from the shape of the bellows<\/li>\n<li>Solution with connection flange Type B2: Flange that protrudes externally with respect to the shape of the bellows<\/li>\n<li>Solution with attachment flange in steel, aluminium or PVC sheet<\/li>\n<li>Shape and drilling according to the customer&#8217;s drawing<\/li>\n<\/ul>\n[\/vc_column_text][\/vc_column_inner][\/vc_row_inner][vc_separator css=&#8221;.vc_custom_1635407765106{padding-top: 50px !important;padding-bottom: 50px !important;}&#8221;][vc_row_inner][vc_column_inner width=&#8221;1\/2&#8243;][vc_empty_space][vc_single_image image=&#8221;35474&#8243; img_size=&#8221;full&#8221; el_class=&#8221;immagine_template&#8221;][\/vc_column_inner][vc_column_inner width=&#8221;1\/2&#8243;][vc_column_text animation_delay=&#8221;0&#8243; css=&#8221;.vc_custom_1644689343818{padding-top: 50px !important;}&#8221; el_class=&#8221;testo_template&#8221;]Attachment flange fixing systems<\/p>\n<p><strong>\u2013Type C<\/strong><\/p>\n<ul>\n<li>Solution with Type C attachment flange: Painted flange fixed to the last support of the bellows with threaded holes<\/li>\n<li>Solution with steel sheet attachment flange<\/li>\n<li>Shape and drilling according to the customer&#8217;s design<\/li>\n<li>The flange holes are threaded<\/li>\n<\/ul>\n[\/vc_column_text][\/vc_column_inner][\/vc_row_inner][vc_separator css=&#8221;.vc_custom_1635407765106{padding-top: 50px !important;padding-bottom: 50px !important;}&#8221;][vc_row_inner][vc_column_inner width=&#8221;1\/2&#8243;][vc_empty_space][vc_single_image image=&#8221;35482&#8243; img_size=&#8221;full&#8221; el_class=&#8221;immagine_template&#8221;][vc_column_text animation_delay=&#8221;0&#8243;]\n<ol>\n<li>= PVC cover stiffener<\/li>\n<li>= Strip of Velcro applied to the machine<\/li>\n<li>= PVC stiffener<\/li>\n<li>= Flange<\/li>\n<li>= Strip of Velcro applied to the machine<\/li>\n<\/ol>\n[\/vc_column_text][\/vc_column_inner][vc_column_inner width=&#8221;1\/2&#8243;][vc_column_text animation_delay=&#8221;0&#8243; css=&#8221;.vc_custom_1681981001006{padding-top: 50px !important;}&#8221; el_class=&#8221;testo_template&#8221;]Attachment flange fixing systems<\/p>\n<p><strong>\u2013Type E and H<\/strong><\/p>\n<p>Solution using VELCRO type quick fixing<\/p>\n<p>The task of the attachment flange is carried out by a PVC support to which VELCRO is applied. A Velcro strip is applied directly to the machine.<\/p>\n<p>This solution offers the following advantages:<\/p>\n<ul>\n<li>Quick application and removal of the bellows<\/li>\n<li>Reduced cost<\/li>\n<\/ul>\n<p>Recommended for dry work environments[\/vc_column_text][\/vc_column_inner][\/vc_row_inner][vc_separator css=&#8221;.vc_custom_1635407765106{padding-top: 50px !important;padding-bottom: 50px !important;}&#8221;][vc_row_inner][vc_column_inner width=&#8221;1\/2&#8243;][vc_empty_space][vc_single_image image=&#8221;35490&#8243; img_size=&#8221;full&#8221; el_class=&#8221;immagine_template&#8221;][vc_column_text animation_delay=&#8221;0&#8243;]\n<ol>\n<li class=\"p1\">= PVC stiffener<\/li>\n<li>= Flange<\/li>\n<li>= PVC stiffener<\/li>\n<li>= Flange<\/li>\n<li>= Counterflange<\/li>\n<\/ol>\n[\/vc_column_text][\/vc_column_inner][vc_column_inner width=&#8221;1\/2&#8243;][vc_column_text animation_delay=&#8221;0&#8243; css=&#8221;.vc_custom_1681981024972{padding-top: 50px !important;}&#8221; el_class=&#8221;testo_template&#8221;]Attachment flange fixing systems<\/p>\n<p><strong>\u2013Type F and G (Entire fold in PVC)<\/strong><\/p>\n<p>Solution through HIGH TENACITY quick fixing.<\/p>\n<p>The attachment flange is made of sheet steel, aluminium or PVC, with shape and drilling according to the customer&#8217;s design.<\/p>\n<p>This solution offers the following advantages:<\/p>\n<ul>\n<li>Quick application and removal of the bellows<\/li>\n<li>Perfect perimeter sealing by applying mousse.<\/li>\n<\/ul>\n<p>Recommended for wet work environments[\/vc_column_text][\/vc_column_inner][\/vc_row_inner][vc_separator css=&#8221;.vc_custom_1635407765106{padding-top: 50px !important;padding-bottom: 50px !important;}&#8221;]<\/div><div data-target=\"tab-structures\" class=\"false tab et-clearfix\"><h6 class=\"tab-title-tag\">Structures<\/h6><\/div> <div id=\"tab-structures-5\" class=\"tab-content et-clearfix\">[vc_row_inner][vc_column_inner width=&#8221;1\/2&#8243;]<h4 class=\"et-heading text-align-left tablet-text-align-inherit mobile-text-align-inherit animate-false no-animation-type testo_template\" id=\"et-heading-251473\" data-delay=\"0\" data-mobile-font=\"inherit\" data-mobile-line-height=\"inherit\" data-tablet-landscape-font=\"inherit\" data-tablet-portrait-font=\"inherit\" data-tablet-landscape-line-height=\"inherit\" data-tablet-portrait-line-height=\"inherit\" data-parallax=\"false\" data-move=\"false\" data-coordinatex=\"0\" data-coordinatey=\"0\" data-speed=\"10\"><span class=\"text-wrapper\"><span class=\"text\">Structures<\/span><\/span><\/h4>[vc_single_image image=&#8221;36611&#8243; img_size=&#8221;full&#8221; onclick=&#8221;zoom&#8221; el_class=&#8221;immagine_template&#8221;][\/vc_column_inner][vc_column_inner width=&#8221;1\/2&#8243; css=&#8221;.vc_custom_1635164533759{padding-top: 25px !important;}&#8221;][vc_column_text animation_delay=&#8221;0&#8243; css=&#8221;.vc_custom_1680862856967{padding-top: 50px !important;}&#8221; el_class=&#8221;testo_template&#8221;]<strong>Standard structures for flat thermic-welded bellows<\/strong><\/p>\n<p><strong>UL-OS<\/strong> = Folding fabric only<br \/>\n<strong>UL-2ST<\/strong> = Thermic-welded bellows with two weld seams and pull-out stop inside the bellows<br \/>\n<strong>UL-1S<\/strong> = One-sided bellow with PVC supports<br \/>\n<strong>UL-3S<\/strong> = One-sided thermic-welded bellows with three welded edges<br \/>\n<strong>DL-DXC<\/strong> = Thermic-welded bellows with two welded edges<br \/>\n<strong>TL-SIM<\/strong> = Thermic-welded bellows with three welded edges, symmetrical shape<br \/>\n<strong>TL-DXC<\/strong> = Thermic-welded bellows with three welded edges, asymmetrical shape<br \/>\n<strong>TL-DXI<\/strong> = Thermic-welded bellows with three welded edges, slanted shape<br \/>\n<strong>CL-SIM<\/strong> = Thermic-welded bellows with five welded edges, symmetrical shape<br \/>\n<strong>QL-QUAD<\/strong> = Thermic-welded bellow, square shape<br \/>\n<strong>QL-CAP<\/strong> = Thermic-welded bellow, roof shape<br \/>\n<strong>QL-RETT<\/strong> = Thermic-welded bellow, rectangular shape<br \/>\n<strong>QL-ASI<\/strong> = Thermic-welded bellows with four welded edge, asymmetrical shape<br \/>\n<strong>CL-ASI<\/strong> = Thermic-welded bellows with five welded edge, asymmetrical shape[\/vc_column_text][\/vc_column_inner][\/vc_row_inner][vc_separator css=&#8221;.vc_custom_1635407778594{padding-top: 50px !important;padding-bottom: 50px !important;}&#8221;]<\/div><div data-target=\"tab-documentation\" class=\"false tab et-clearfix\"><h6 class=\"tab-title-tag\">Documentation<\/h6><\/div> <div id=\"tab-documentation-6\" class=\"tab-content et-clearfix\">[vc_row_inner][vc_column_inner width=&#8221;1\/2&#8243;]<h4 class=\"et-heading text-align-left tablet-text-align-inherit mobile-text-align-inherit animate-false no-animation-type testo_template\" id=\"et-heading-914892\" data-delay=\"0\" data-mobile-font=\"inherit\" data-mobile-line-height=\"inherit\" data-tablet-landscape-font=\"inherit\" data-tablet-portrait-font=\"inherit\" data-tablet-landscape-line-height=\"inherit\" data-tablet-portrait-line-height=\"inherit\" data-parallax=\"false\" data-move=\"false\" data-coordinatex=\"0\" data-coordinatey=\"0\" data-speed=\"10\"><span class=\"text-wrapper\"><span class=\"text\">Questionnaire<\/span><\/span><\/h4>[vc_single_image image=&#8221;52692&#8243; img_size=&#8221;full&#8221; el_class=&#8221;immagine_template&#8221;][\/vc_column_inner][vc_column_inner width=&#8221;1\/2&#8243;][vc_column_text animation_delay=&#8221;0&#8243; css=&#8221;.vc_custom_1764344115320{padding-top: 50px !important;}&#8221; el_class=&#8221;testo_template&#8221;]<a href=\"https:\/\/www.pei.it\/wp-content\/uploads\/2021\/11\/Flat_Covers_2025.pdf\" target=\"_blank\" rel=\"noopener\"><span data-sheets-value=\"{&quot;1&quot;:2,&quot;2&quot;:&quot;Download the questionnaire for heat-sealed bellows&quot;}\" data-sheets-userformat=\"{&quot;2&quot;:23425,&quot;3&quot;:{&quot;1&quot;:0},&quot;10&quot;:2,&quot;11&quot;:4,&quot;12&quot;:0,&quot;14&quot;:{&quot;1&quot;:2,&quot;2&quot;:104922},&quot;15&quot;:&quot;Calibri, sans-serif&quot;,&quot;17&quot;:1}\">Download the questionnaire for heat-sealed bellows<\/span><\/a>[\/vc_column_text][\/vc_column_inner][\/vc_row_inner][vc_separator css=&#8221;.vc_custom_1635407797573{padding-top: 50px !important;padding-bottom: 50px !important;}&#8221;]<\/div><\/div><\/div>[\/vc_column][\/vc_row]\n<\/div>","protected":false},"excerpt":{"rendered":"<p>[vc_row][vc_column][vc_row_inner element_id=&#8221;595341&#8243;][vc_column_inner width=&#8221;3\/5&#8243;][vc_empty_space height=&#8221;50px&#8221;][\/vc_column_inner][vc_column_inner width=&#8221;2\/5&#8243;][vc_empty_space height=&#8221;20px&#8221;][vc_btn title=&#8221;Contacts for this product&#8221; style=&#8221;outline-custom&#8221; outline_custom_color=&#8221;#1e73be&#8221; outline_custom_hover_background=&#8221;#e34529&#8243; outline_custom_hover_text=&#8221;#ffffff&#8221; shape=&#8221;round&#8221; link=&#8221;url:%23form|title:TMP1-Coperture%20Telescopiche|&#8221; el_class=&#8221;bottone_template&#8221;][vc_column_text animation_delay=&#8221;0&#8243; el_class=&#8221;testo_template&#8221;]The P.E.I. thermic-welded flat covers guarantee optimal protection for any type of machine tool thanks to the different shapes and the high-quality of the materials. The selected materials are wear-proof and heat-resistant, making the standard P.E.I. thermic-welded [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[390,634],"tags":[],"class_list":["post-37140","post","type-post","status-publish","format-standard","hentry","category-products","category-soffietti-en"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.9 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Flat protective bellows without laminations - PEI<\/title>\n<meta name=\"description\" content=\"PEI standard flat bellows: more safety for machine tool rails.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.pei.it\/en\/products\/standard-flat-protective-bellows\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Flat protective bellows without laminations - 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