{"id":2405,"date":"2026-11-06T19:06:37","date_gmt":"2026-11-06T11:06:37","guid":{"rendered":"https:\/\/kerkepm.com\/inicio\/"},"modified":"2026-11-12T21:40:28","modified_gmt":"2026-11-12T13:40:28","slug":"inicio","status":"publish","type":"page","link":"https:\/\/kerkepm.com\/es\/","title":{"rendered":"Fabricante de extrusores de doble tornillo en Nanjing"},"content":{"rendered":"<div class=\"k3\">\n<noscript><iframe loading=\"lazy\" src=\"https:\/\/www.googletagmanager.com\/ns.html?id=GTM-5JN495RG\" height=\"0\" width=\"0\" style=\"display:none;visibility:hidden\"><\/iframe><\/noscript>\n<section class=\"hero-home\">\n<div class=\"hero-bg\" data-yt=\"iBMgmu9fOLk\"><img fetchpriority=\"high\" decoding=\"async\" src=\"\/wp-content\/uploads\/2026\/11\/home-hero.webp\" alt=\"twin screw extruder manufacturer\" width=\"1200\" height=\"800\"><\/div>\n<div class=\"wrap\"><div class=\"inner\">\n<p class=\"kicker\">Twin screw \u00b7 two-stage \u00b7 triple screw \u00b7 pelletizing<\/p>\n<h1>Your material, our line: compounding and pelletizing from 1 to 4,000 kg\/h<\/h1>\n<p class=\"dek\">Kerke is a twin screw extruder manufacturer in Nanjing, building co-rotating twin screw extruders, two-stage lines and pelletizing systems for masterbatch, engineering plastics, cable compound, recycling and food \u2014 and proving the output on your own material before you order.<\/p>\n<div class=\"hero-acts\"><a href=\"https:\/\/kerkepm.com\/get-a-quote\/\">Get a quote<\/a>\n<a class=\"alt\" href=\"https:\/\/kerkepm.com\/get-a-quote\/#trial\">Send material for trial<\/a><\/div>\n<div class=\"hero-nums\">\n<div><b>Since 2009<\/b><span>17 years of extrusion<\/span><\/div>\n<div><b>2,000+ sets<\/b><span>delivered<\/span><\/div>\n<div><b>70+<\/b><span>countries<\/span><\/div>\n<div><b>3\u20137 days<\/b><span>material trial<\/span><\/div>\n<\/div>\n<\/div><\/div><\/section>\n\n<section class=\"band\"><div class=\"wrap\">\n<div class=\"band-head\"><p class=\"kicker\">Applications first<\/p>\n<nav class=\"wp-block-rank-math-toc-block k3-toc\" aria-label=\"On this page\"><b>On this page:<\/b><a href=\"#rm-s1\">Start from the material you sell, not from the machine<\/a><a href=\"#rm-s2\">Sized by torque, not by tonnage<\/a><a href=\"#rm-s3\">Four things that are hard to copy<\/a><a href=\"#rm-s4\">Six questions we answer every week<\/a><\/nav><h2 id=\"rm-s1\">Start from the material you sell, not from the machine<\/h2>\n<p>Ten material groups, 32 application lines. Each page carries the loading ceiling, the parameter table, the process, the equipment and the mistakes that cost the most.<\/p><\/div>\n<div class=\"cards\"><a class=\"card\" href=\"https:\/\/kerkepm.com\/applications\/#plastic-masterbatch\"><h3>Plastic Masterbatch<\/h3><p>Filler, colour, black, white, talc and functional masterbatch lines \u2014 the highest-volume application group, and the one where the filler percentage de\u2026<\/p><span class=\"meta\"><b>9<\/b> application lines<\/span><\/a><a class=\"card\" href=\"https:\/\/kerkepm.com\/applications\/#plastic-modification\"><h3>Plastic Modification<\/h3><p>Filled, reinforced, toughened, grafted and reactive systems. Side feeding, liquid injection and devolatilization are what separate these lines from a \u2026<\/p><span class=\"meta\"><b>5<\/b> application lines<\/span><\/a><a class=\"card\" href=\"https:\/\/kerkepm.com\/applications\/#engineering-plastics\"><h3>Engineering Plastics<\/h3><p>PA, PC, PBT, ABS, alloys and glass-fibre reinforcement \u2014 drying discipline and fibre protection decide the result.\u2026<\/p><span class=\"meta\"><b>2<\/b> application lines<\/span><\/a><a class=\"card\" href=\"https:\/\/kerkepm.com\/applications\/#cable-compound\"><h3>Cable Compound<\/h3><p>PVC, XLPE and HFFR \/ LSZH compounds. Heat sensitivity plus water sensitivity rules out most standard pelletizing answers.\u2026<\/p><span class=\"meta\"><b>4<\/b> application lines<\/span><\/a><a class=\"card\" href=\"https:\/\/kerkepm.com\/applications\/#biodegradable\"><h3>Biodegradable & PLA<\/h3><p>PLA, PBAT and starch blends \u2014 a 30 \u00b0C processing window and a hard moisture ceiling.\u2026<\/p><span class=\"meta\"><b>2<\/b> application lines<\/span><\/a><a class=\"card\" href=\"https:\/\/kerkepm.com\/applications\/#elastomer\"><h3>Thermoplastic Elastomer<\/h3><p>TPE, TPU, TPR from 30A to 90A: oil dosing, underwater cutting and hardness control.\u2026<\/p><span class=\"meta\"><b>1<\/b> application lines<\/span><\/a><a class=\"card\" href=\"https:\/\/kerkepm.com\/applications\/#specialty\"><h3>Specialty & Low-Temperature<\/h3><p>EPP base resin, WPC, powder coating and hot melt \u2014 processes that run cold, wet or highly filled.\u2026<\/p><span class=\"meta\"><b>4<\/b> application lines<\/span><\/a><a class=\"card\" href=\"https:\/\/kerkepm.com\/applications\/#recycling\"><h3>Recycling & PET<\/h3><p>Film, bottle flakes and regrind. The largest customer group we serve, and the one where feeding decides output.\u2026<\/p><span class=\"meta\"><b>2<\/b> application lines<\/span><\/a><a class=\"card\" href=\"https:\/\/kerkepm.com\/applications\/#long-fiber\"><h3>Long Fiber & Composites<\/h3><p>LFT-G impregnation, 20\u201360% glass, pellet length 10\u201325 mm.\u2026<\/p><span class=\"meta\"><b>1<\/b> application lines<\/span><\/a><a class=\"card\" href=\"https:\/\/kerkepm.com\/applications\/#food\"><h3>Food & Plant Protein<\/h3><p>Puffed snacks and textured vegetable protein on the same twin screw platform, with food-grade documentation.\u2026<\/p><span class=\"meta\"><b>2<\/b> application lines<\/span><\/a><\/div>\n<\/div><\/section>\n\n<section class=\"band alt\"><div class=\"wrap\">\n<div class=\"band-head\"><p class=\"kicker\">Then the machine<\/p>\n<h2 id=\"rm-s2\">Sized by torque, not by tonnage<\/h2>\n<p>The same screw diameter can carry 78% more torque. That difference decides whether a line holds 88% filler or stalls at 84%.<\/p><\/div>\n<div class=\"tw\"><table><caption><b>Table 1.<\/b> Machine families and where each one is normally used.<\/caption>\n<thead><tr><th scope=\"col\">Family<\/th><th scope=\"col\">Range<\/th><th scope=\"col\">Scope<\/th><th scope=\"col\">Key column<\/th><\/tr><\/thead>\n<tbody><tr><td><a href=\"https:\/\/kerkepm.com\/machines\/co-rotating-twin-screw-extruder\/\"><b>Co-rotating twin screw KTE<\/b><\/a><\/td><td>15 models<\/td><td class=\"num\">80\u20134,000 kg\/h, B and D Gearboxes<\/td><td>Output (kg\/h)<\/td><\/tr><tr><td><a href=\"https:\/\/kerkepm.com\/machines\/two-stage-extruder\/\"><b>Two-stage KTE\/SE<\/b><\/a><\/td><td>4 models<\/td><td class=\"num\">Stable Output at 85\u201390% Filling<\/td><td>Typical product<\/td><\/tr><tr><td><a href=\"https:\/\/kerkepm.com\/machines\/triple-screw-extruder\/\"><b>Triple screw KTE-T<\/b><\/a><\/td><td>4 models<\/td><td class=\"num\">Better Dispersion in a Shorter L\/D<\/td><td>Note<\/td><\/tr><tr><td><a href=\"https:\/\/kerkepm.com\/machines\/kneader-compounding-extruder\/\"><b>Kneader compounding extruder<\/b><\/a><\/td><td>3 models<\/td><td class=\"num\">Kneader + Single Screw, 100\u20131,200 kg\/h<\/td><td>Typical product<\/td><\/tr><tr><td><a href=\"https:\/\/kerkepm.com\/machines\/single-screw-extruder\/\"><b>Single screw SE<\/b><\/a><\/td><td>8 models<\/td><td class=\"num\">100\u20132,000 kg\/h, Lowest Cost per kg<\/td><td>Output (kg\/h)<\/td><\/tr><tr><td><a href=\"https:\/\/kerkepm.com\/machines\/pilot-twin-screw-extruder\/\"><b>Lab & pilot twin screw<\/b><\/a><\/td><td>6 models<\/td><td class=\"num\">1\u2013150 kg\/h Trial & Small Batch<\/td><td>Output (kg\/h)<\/td><\/tr><tr><td><a href=\"https:\/\/kerkepm.com\/machines\/pelletizing-systems\/\"><b>Pelletizing systems<\/b><\/a><\/td><td>7 models<\/td><td class=\"num\">Water Ring \u00b7 Strand \u00b7 Underwater \u00b7 Air-Cooled<\/td><td>Watch out<\/td><\/tr><\/tbody><\/table><\/div>\n<p class=\"note\">Full model index on the <a href=\"https:\/\/kerkepm.com\/machines\/\">machines hub<\/a>.<\/p>\n<\/div><\/section>\n\n<section class=\"band\"><div class=\"wrap\">\n<div class=\"band-head\"><p class=\"kicker\">Why customers switch<\/p>\n<h2 id=\"rm-s3\">Four things that are hard to copy<\/h2><\/div>\n<div class=\"strip\">\n<div><b>3\u20137 days<\/b><span>Material trial on a lab line, with pellets, video and a capacity report back.<\/span><\/div>\n<div><b>Test-run before shipment<\/b><span>Every machine runs with material, not with air, before it leaves Nanjing.<\/span><\/div>\n<div><b>24\u201348 h<\/b><span>Screw elements, shafts and liners from our own workshop for standard sizes.<\/span><\/div>\n<div><b>70+ countries<\/b><span>Installations across South Asia, Southeast Asia, Africa, Latin America and the Middle East.<\/span><\/div>\n<\/div>\n<div class=\"quoteband\"><b>The trial is the sales argument.<\/b> A quotation says 400 kg\/h; a trial report says 412 kg\/h on your CaCO<sub>3<\/sub> at 85% filling, with the barrel profile attached. Customers sign the second one.<\/div>\n<\/div><\/section>\n\n<section class=\"band alt faq-band\"><div class=\"wrap\">\n<div class=\"band-head\"><p class=\"kicker\">Before you ask<\/p><h2 id=\"rm-s4\">Six questions we answer every week<\/h2><\/div>\n<details open><summary>What is the difference between a twin screw and a two-stage line?<\/summary><p>A twin screw melts, mixes and builds die pressure on one shaft. A two-stage line splits the jobs: the twin screw compounds and devolatilizes, a single screw builds pressure. Above 85% filler, or with PVC and HFFR, the split keeps output stable \u2014 on one shaft, mixing and pressure build-up compete for the same torque.<\/p><\/details><details><summary>How do I know which model I need?<\/summary><p>Start from the material and the target output, then the torque class, then L\/D. A 65 mm screw exists as KTE-65, 65B and 65D with 2\u00d7720, 2\u00d7860 and 2\u00d71,530 N\u00b7m \u2014 same diameter, very different capability. We quote the model and the alternative, with the trade-off written down.<\/p><\/details><details><summary>Can you run my material before I order?<\/summary><p>Yes. Send 25\u201350 kg; we run it on KTE-20B or KTE-36B and return pellets, a running video and a report with temperatures, screw speed, feeder settings and output per hour. The trial is free \u2014 you cover the freight. Turnaround is 3\u20137 days.<\/p><\/details><details><summary>What is the delivery time?<\/summary><p>30\u201345 working days for standard configurations, 45\u201370 for custom screw geometry or ODM work. Machines are built for the destination voltage and frequency, and test-run with material before shipment.<\/p><\/details><details><summary>Do you supply spare parts after delivery?<\/summary><p>Screw elements, shafts and liners are machined in our own workshop, so standard sizes ship in 24\u201348 hours. Every line is delivered with a recommended spare set for the wear zone.<\/p><\/details><details><summary>Where are the machines built?<\/summary><p>In Nanjing, China. The plant builds screws, barrels and assembly in-house, which is why wear packages can be specified by material rather than picked from a catalogue.<\/p><\/details>\n<\/div><\/section>\n\n<div class=\"wrap\" style=\"padding-bottom:60px\"><div class=\"cta\"><div><b>Tell us your material \u2014 we will tell you the line<\/b><p>Send 25\u201350 kg and we run it on our lab extruder: pellets, running video and a capacity report back in 3\u20137 days.<\/p><\/div>\n<div class=\"acts\"><a href=\"https:\/\/kerkepm.com\/get-a-quote\/\">Get a quote<\/a>\n<a class=\"alt\" href=\"https:\/\/kerkepm.com\/get-a-quote\/#trial\">Send material for trial<\/a><\/div><\/div><\/div>\n<script type=\"application\/ld+json\">{\"@context\": \"https:\/\/schema.org\", \"@graph\": [{\"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"What is the difference between a twin screw and a two-stage line?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"A twin screw melts, mixes and builds die pressure on one shaft. A two-stage line splits the jobs: the twin screw compounds and devolatilizes, a single screw builds pressure. Above 85% filler, or with PVC and HFFR, the split keeps output stable \u2014 on one shaft, mixing and pressure build-up compete for the same torque.\"}}, {\"@type\": \"Question\", \"name\": \"How do I know which model I need?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Start from the material and the target output, then the torque class, then L\/D. A 65 mm screw exists as KTE-65, 65B and 65D with 2\u00d7720, 2\u00d7860 and 2\u00d71,530 N\u00b7m \u2014 same diameter, very different capability. We quote the model and the alternative, with the trade-off written down.\"}}, {\"@type\": \"Question\", \"name\": \"Can you run my material before I order?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes. Send 25\u201350 kg; we run it on KTE-20B or KTE-36B and return pellets, a running video and a report with temperatures, screw speed, feeder settings and output per hour. The trial is free \u2014 you cover the freight. Turnaround is 3\u20137 days.\"}}, {\"@type\": \"Question\", \"name\": \"What is the delivery time?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"30\u201345 working days for standard configurations, 45\u201370 for custom screw geometry or ODM work. Machines are built for the destination voltage and frequency, and test-run with material before shipment.\"}}, {\"@type\": \"Question\", \"name\": \"Do you supply spare parts after delivery?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Screw elements, shafts and liners are machined in our own workshop, so standard sizes ship in 24\u201348 hours. Every line is delivered with a recommended spare set for the wear zone.\"}}, {\"@type\": \"Question\", \"name\": \"Where are the machines built?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"In Nanjing, China. The plant builds screws, barrels and assembly in-house, which is why wear packages can be specified by material rather than picked from a catalogue.\"}}]}]}<\/script>\n<div class=\"wrap\"><section class=\"k3-more\" id=\"rm-more\"><h2>Twin screw extruder manufacturer \u2014 the short version<\/h2><p>Note on twin screw extruder manufacturer: the numbers above are reference ranges from Kerke's own trial runs, not catalogue promises. Screw geometry, wear package and pelletizing method are set on the trial bench first, so the output you compare is the output you get. If your grade is not in the tables, send it \u2014 the closest configuration is usually a change of screw set, not a different machine.<\/p><p>Planning an upgrade this quarter? Send the material and the target output \u2014 the configuration comes back within one working day.<\/p><p>Every quotation lists the wear package as a separate line, so its cost is visible from day one.<\/p><p>Questions are answered the same day, in English or Chinese.<\/p><p>Note on twin screw extruder manufacturer: the data on this page was last verified on our own test line in Nanjing.<\/p><p>Not sure which twin screw extruder manufacturer configuration fits? Describe the material and the pellet shape required \u2014 we answer with a recommendation, not a brochure.<\/p><p>A twin screw extruder manufacturer from Kerke ships with CE documentation, a test-run record and a recommended spare set.<\/p><p class=\"k3-rel\"><b>Related on this site:<\/b> <a href=\"https:\/\/kerkepm.com\/machines\/co-rotating-twin-screw-extruder\/\">Machine range: KTE-50B to 135D<\/a> \u00b7 <a href=\"https:\/\/kerkepm.com\/knowledge\/pelletizing-methods-compared\/\">Pelletizing methods compared<\/a> \u00b7 <a href=\"https:\/\/kerkepm.com\/get-a-quote\/\">quotation and free trial<\/a> \u00b7 <a href=\"https:\/\/en.wikipedia.org\/wiki\/Masterbatch\" target=\"_blank\" rel=\"noopener\">Wikipedia: Masterbatch<\/a><\/p><\/section><\/div>\n<script>\n(function(){\n  var bg=document.querySelector('.k3 .hero-bg');\n  if(!bg) return;\n  var loaded=false;\n  function fit(f){\n    var w=bg.clientWidth,h=bg.clientHeight;\n    var vw=Math.max(w,h*16\/9),vh=Math.max(h,w*9\/16);\n    f.style.width=Math.round(vw)+'px';f.style.height=Math.round(vh)+'px';\n    f.style.left=Math.round((w-vw)\/2)+'px';f.style.top=Math.round((h-vh)\/2)+'px';\n  }\n  function start(){\n    if(loaded) return; loaded=true; if(window.innerWidth<760) return; \/* mobile: poster only *\/\n    var f=document.createElement('iframe');\n    f.src='https:\/\/www.youtube-nocookie.com\/embed\/'+bg.dataset.yt+'?autoplay=1&mute=1&loop=1&playlist='+bg.dataset.yt+'&controls=0&rel=0&playsinline=1&modestbranding=1&iv_load_policy=3&disablekb=1';\n    f.title='Kerke factory video background';\n    f.setAttribute('allow','autoplay; encrypted-media');\n    f.tabIndex=-1;\n    bg.appendChild(f);\n    fit(f);\n    window.addEventListener('resize',function(){fit(f)});\n  }\n  if(window.addEventListener){\n    window.addEventListener('load',function(){setTimeout(start,1200)});\n    setTimeout(start,6000); \/* fallback *\/\n  }\n})();\n<\/script>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>Twin screw \u00b7 two-stage \u00b7 triple screw \u00b7 pelletizing Your material, our line: compounding and pelletizing from 1 to 4,000 kg\/h Kerke is a twin screw extruder manufacturer in Nanjing, building co-rotating twin screw extruders, two-stage lines and pelletizing systems for masterbatch, engineering plastics, cable compound, recycling and food \u2014 and proving the output on [&#8230;]\n","protected":false},"author":0,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"page-blank.php","meta":{"footnotes":""},"application":[],"app_group":[],"class_list":["post-2405","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/kerkepm.com\/es\/wp-json\/wp\/v2\/pages\/2405","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/kerkepm.com\/es\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/kerkepm.com\/es\/wp-json\/wp\/v2\/types\/page"}],"replies":[{"embeddable":true,"href":"https:\/\/kerkepm.com\/es\/wp-json\/wp\/v2\/comments?post=2405"}],"version-history":[{"count":1,"href":"https:\/\/kerkepm.com\/es\/wp-json\/wp\/v2\/pages\/2405\/revisions"}],"predecessor-version":[{"id":2936,"href":"https:\/\/kerkepm.com\/es\/wp-json\/wp\/v2\/pages\/2405\/revisions\/2936"}],"wp:attachment":[{"href":"https:\/\/kerkepm.com\/es\/wp-json\/wp\/v2\/media?parent=2405"}],"wp:term":[{"taxonomy":"application","embeddable":true,"href":"https:\/\/kerkepm.com\/es\/wp-json\/wp\/v2\/application?post=2405"},{"taxonomy":"app_group","embeddable":true,"href":"https:\/\/kerkepm.com\/es\/wp-json\/wp\/v2\/app_group?post=2405"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}