{"id":668,"date":"2025-02-24T16:07:59","date_gmt":"2025-02-24T08:07:59","guid":{"rendered":"https:\/\/hengoseal.com\/?p=668"},"modified":"2025-04-23T13:55:39","modified_gmt":"2025-04-23T05:55:39","slug":"pneumatic-cylinder-seals-guide","status":"publish","type":"post","link":"https:\/\/hengoseal.com\/ko\/pneumatic-cylinder-seals-guide\/","title":{"rendered":"\uacf5\uc555 \uc2e4\ub9b0\ub354 \uc530\uc774\ub780? \uc791\ub3d9 \uc6d0\ub9ac \ubc0f \ucd5c\uc0c1\uc758 \uc635\uc158"},"content":{"rendered":"<p>When I first dealt with leaking pneumatic systems, I realized that reliable <strong>\uacf5\uc555 \uc2e4\ub9b0\ub354 \uc530<\/strong> aren\u2019t optional \u2014 they\u2019re essential.<\/p>\n<p>These small components prevent air loss, increase efficiency, and keep your operations running smoothly. So, how do they actually work, and which ones should you use?<\/p>\n<p><img decoding=\"async\" src=\"http:\/\/hengoseal.com\/wp-content\/uploads\/2025\/02\/QYD-Pneumatic-Cylinder-Seals-1.png\" alt=\"placeholder_image\" \/><\/p>\n<p>Let\u2019s explore the function, types, replacement tips, and top options in 2025.<\/p>\n<h2>What is the function of a pneumatic cylinder seal?<\/h2>\n<p>Pneumatic cylinder seals create airtight barriers inside cylinders to control compressed air.<\/p>\n<p>They stop leaks, reduce wear, and improve pneumatic efficiency \u2014 without them, cylinders lose pressure and energy fast.<\/p>\n<p><img decoding=\"async\" src=\"http:\/\/hengoseal.com\/wp-content\/uploads\/2025\/02\/ZHM-Dust-Seal-1.jpg\" alt=\"placeholder_image\" \/><\/p>\n<table>\n<thead>\n<tr>\n<th>\uae30\ub2a5<\/th>\n<th>Result<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Sealing air gaps<\/td>\n<td>Prevents energy loss from leaks<\/td>\n<\/tr>\n<tr>\n<td>\ub9c8\ucc30 \uac10\uc18c<\/td>\n<td>Smooths piston\/rod movement<\/td>\n<\/tr>\n<tr>\n<td>Pressure retention<\/td>\n<td>Maintains stroke power and directionality<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>Most seals are made of <a href=\"https:\/\/hengoseal.com\/ko\/product\/pneumatic-cylinder-seals\/\" target=\"_blank\">NBR, PTFE, or TPU<\/a> \u2014 each with unique strengths.<\/p>\n<h2>How do pneumatic cylinder seals work?<\/h2>\n<p>They act like airlocks inside cylinders.<\/p>\n<ul>\n<li><strong>\ub85c\ub4dc \uc530<\/strong> stop leakage along the piston rod  <\/li>\n<li><strong>\ud53c\uc2a4\ud1a4 \uc530<\/strong> keep pressure inside the cylinder  <\/li>\n<li><strong>Wiper seals<\/strong> block contaminants like dust and grit<\/li>\n<\/ul>\n<p><img decoding=\"async\" src=\"http:\/\/hengoseal.com\/wp-content\/uploads\/2025\/04\/\u91cd\u6c7d\u6d69\u701a\u4e00\u4f53\u540e\u8f6e\u6cb9\u5c01-16518622-\u53cc\u7ec4\u5408\u6cb9\u5c01-\u9ad8\u54c1\u8d28\u5bc6\u5c01\u4ef6.png\" alt=\"placeholder_image\" \/><\/p>\n<table>\n<thead>\n<tr>\n<th>\uc530 \uc720\ud615<\/th>\n<th>\uc704\uce58<\/th>\n<th>\uc5ed\ud560<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>\ub85c\ub4dc \uc530<\/td>\n<td>Rod passage<\/td>\n<td>Prevents external air loss<\/td>\n<\/tr>\n<tr>\n<td>\ud53c\uc2a4\ud1a4 \uc530<\/td>\n<td>Inside chamber<\/td>\n<td>Maintains pressure for stroke motion<\/td>\n<\/tr>\n<tr>\n<td>\uc640\uc774\ud37c \uc530<\/td>\n<td>Outer entry point<\/td>\n<td>Keeps debris out of cylinder internals<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>You\u2019ll often find all three in a <a href=\"https:\/\/hengoseal.com\/ko\/product\/hydraulic-seal-kit-by-size\/\" target=\"_blank\">seal kit by size<\/a>.<\/p>\n<h2>What\u2019s the difference between single-acting and double-acting seals?<\/h2>\n<p>The direction of air pressure defines the seal type.<\/p>\n<p><strong>\ub2e8\ub3d9\uc2dd<\/strong> cylinders move in one direction and reset via spring or load.<br \/>\n<strong>\ubcf5\ub3d9\uc2dd<\/strong> ones use air for both directions \u2014 needing more robust seals.<\/p>\n<p><img decoding=\"async\" src=\"http:\/\/hengoseal.com\/wp-content\/uploads\/2025\/02\/Solenoid-Valve-Flat-Seal-2.png\" alt=\"placeholder_image\" \/><\/p>\n<table>\n<thead>\n<tr>\n<th>\uc720\ud615<\/th>\n<th>Air Movement<\/th>\n<th>\uc0ac\uc6a9 \uc0ac\ub840<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>\ub2e8\ub3d9\uc2dd<\/td>\n<td>\uc77c\ubc29\ud1b5\ud589<\/td>\n<td>Low-load automation or clamping tasks<\/td>\n<\/tr>\n<tr>\n<td>\ubcf5\ub3d9\uc2dd<\/td>\n<td>\uc591\ubc29\ud5a5<\/td>\n<td>Precise movement, industrial robotics<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>Double-acting seals often require <a href=\"https:\/\/hengoseal.com\/ko\/product\/kdas-compact-seal\/\" target=\"_blank\">KDAS compact seal<\/a> designs.<\/p>\n<h2>How often should you replace pneumatic cylinder seals?<\/h2>\n<p>Generally, check every <strong>6\u201312 months<\/strong>. But in my experience, visual cues matter most.<\/p>\n<p>Watch for:<\/p>\n<ul>\n<li>Air leaks  <\/li>\n<li>Slow motion or sticking  <\/li>\n<li>Surface cracks or flattened edges<\/li>\n<\/ul>\n<table>\n<thead>\n<tr>\n<th>\uc0c1\ud0dc<\/th>\n<th>Action<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Air loss<\/td>\n<td>\uc989\uc2dc \uad50\uccb4\ud558\uc138\uc694<\/td>\n<\/tr>\n<tr>\n<td>\ub9c8\ucc30 \uc99d\uac00<\/td>\n<td>Clean, then reassess fitment<\/td>\n<\/tr>\n<tr>\n<td>Cracking<\/td>\n<td>Change the seal before failure<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>I always keep a spare <a href=\"https:\/\/hengoseal.com\/ko\/product\/seal-pneumatic-cylinder-supplier\/\" target=\"_blank\">seal kit ready<\/a> on-site \u2014 it\u2019s saved me multiple breakdowns.<\/p>\n<h2>How do I choose the right seal for my system?<\/h2>\n<p>Three things matter most: <strong>material<\/strong>, <strong>pressure rating<\/strong>, \uadf8\ub9ac\uace0 <strong>chemical compatibility<\/strong>.<\/p>\n<table>\n<thead>\n<tr>\n<th>\uc694\uc778<\/th>\n<th>\ucd94\ucc9c<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>\uc7ac\ub8cc<\/td>\n<td>Use NBR for oil, PTFE for low friction, TPU for shock loads<\/td>\n<\/tr>\n<tr>\n<td>Operating pressure<\/td>\n<td>Choose reinforced seals for high PSI<\/td>\n<\/tr>\n<tr>\n<td>Environmental fit<\/td>\n<td>Opt for weather-resistant TPU or FKM<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>Need something non-standard? Use <a href=\"https:\/\/hengoseal.com\/ko\/custom-solutions\/\" target=\"_blank\">Hengoseal\u2019s custom seal service<\/a>.<\/p>\n<h2>Which industries use pneumatic cylinder seals most?<\/h2>\n<p>You\u2019ll find these seals in almost every automated system.<\/p>\n<table>\n<thead>\n<tr>\n<th>\uc0b0\uc5c5<\/th>\n<th>Application Example<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>\uc624\ud1a0\uba54\uc774\uc158<\/td>\n<td>Cylinder actuation in packaging lines<\/td>\n<\/tr>\n<tr>\n<td>\uc2dd\ud488 \uac00\uacf5<\/td>\n<td>Clean-motion controls with TPU seals<\/td>\n<\/tr>\n<tr>\n<td>\uc790\ub3d9\ucc28<\/td>\n<td>Pneumatic arms and lift systems<\/td>\n<\/tr>\n<tr>\n<td>\ub85c\ubd07\uacf5\ud559<\/td>\n<td>Compact linear motion with zero leakage<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>My client in the food sector switched to <a href=\"https:\/\/hengoseal.com\/ko\/product\/dust-wiper-seals-for-pneumatic-cylinders\/\" target=\"_blank\">FDA-grade wiper seals<\/a> \u2014 hygiene issues dropped, and downtime vanished.<\/p>\n<h2>\uacb0\ub860<\/h2>\n<p>Pneumatic cylinder seals are the backbone of pressure-controlled movement.<\/p>\n<p>Get the right one, and you\u2019ll enjoy leak-free performance, longer service life, and optimized motion in every stroke.<\/p>\n<h2>Talk to us about your cylinder seal application<\/h2>\n<p>\ud83d\udce9 \u90ae\u7bb1\uff1ainfo@hengoseal.com<br \/>\n\ud83d\udcde WhatsApp\uff1a+86 17622979498<\/p>\n<h2>Related post<\/h2>\n<ul>\n<li><a href=\"https:\/\/hengoseal.com\/ko\/pneumatic-cylinder-seals-guide-2025\/\" target=\"_blank\">2025 Pneumatic Cylinder Seal Guide<\/a>  <\/li>\n<li><a href=\"https:\/\/hengoseal.com\/ko\/material-for-pneumatic-cylinder-seals\/\" target=\"_blank\">Best Material for Pneumatic Cylinder Seals<\/a>  <\/li>\n<li><a href=\"https:\/\/hengoseal.com\/ko\/5-problems-with-pneumatic-cylinder-seals\/\" target=\"_blank\">Seal Failures and Fixes<\/a>  <\/li>\n<li><a href=\"https:\/\/hengoseal.com\/ko\/pneumatic-piston-seals-types-materials-applications\/\" target=\"_blank\">Piston Seal Types &amp; Applications<\/a>  <\/li>\n<li><a href=\"https:\/\/hengoseal.com\/ko\/extend-pneumatic-seal-lifespan\/\" target=\"_blank\">Seal Lifespan Extension Tips<\/a><\/li>\n<\/ul>\n<style>\n.faq-question {\ncursor: pointer;\nfont-weight: bold;\npadding: 10px;\nbackground-color: #f1f1f1;\nborder: 1px solid #ddd;\nmargin-bottom: 5px;\ncolor: #0073aa;\n}\n.faq-answer {\ndisplay: none;\npadding: 10px;\nborder-left: 3px solid #0073aa;\nbackground-color: #f9f9f9;\nmargin-bottom: 10px;\n}\n<\/style>\n<p><script>\ndocument.addEventListener('DOMContentLoaded', function() {\nconst questions = document.querySelectorAll('.faq-question');\nquestions.forEach(question => {\nquestion.addEventListener('click', function() {\nconst answer = this.nextElementSibling;\nanswer.style.display = answer.style.display === 'block' ? 'none' : 'block';\n});\n});\n});\n<\/script><br \/>\n<!-- JSON-LD FAQ Schema --><br \/>\n<script type=\"application\/ld+json\">\n{\n\"@context\": \"https:\/\/schema.org\",\n\"@type\": \"FAQPage\",\n\"mainEntity\": [\n{\n\"@type\": \"Question\",\n\"name\": \"What&rsquo;s the function of a pneumatic cylinder seal?\",\n\"acceptedAnswer\": {\n\"@type\": \"Answer\",\n\"text\": \"It prevents compressed air from leaking and enables controlled cylinder motion.\"\n}\n},\n{\n\"@type\": \"Question\",\n\"name\": \"Which materials are used in pneumatic seals?\",\n\"acceptedAnswer\": {\n\"@type\": \"Answer\",\n\"text\": \"NBR, PTFE, and TPU are top choices based on fluid, friction, and temperature needs.\"\n}\n},\n{\n\"@type\": \"Question\",\n\"name\": \"How do I know my cylinder seal is failing?\",\n\"acceptedAnswer\": {\n\"@type\": \"Answer\",\n\"text\": \"Look for air hiss, motion drag, or worn surfaces.\"\n}\n},\n{\n\"@type\": \"Question\",\n\"name\": \"What&rsquo;s better for double-acting systems?\",\n\"acceptedAnswer\": {\n\"@type\": \"Answer\",\n\"text\": \"Use reinforced seals with high durability, like TPU piston seals.\"\n}\n},\n{\n\"@type\": \"Question\",\n\"name\": \"Can I use hydraulic seals in pneumatic systems?\",\n\"acceptedAnswer\": {\n\"@type\": \"Answer\",\n\"text\": \"Not recommended &mdash; hydraulic seals are built for liquid, not air dynamics.\"\n}\n},\n{\n\"@type\": \"Question\",\n\"name\": \"How often should I inspect my seals?\",\n\"acceptedAnswer\": {\n\"@type\": \"Answer\",\n\"text\": \"Every 6&ndash;12 months, or after every 1,000 operational hours.\"\n}\n},\n{\n\"@type\": \"Question\",\n\"name\": \"Where can I find seal kits by size?\",\n\"acceptedAnswer\": {\n\"@type\": \"Answer\",\n\"text\": \"Browse our <a href=\\\"https:\/\/hengoseal.com\/product\/hydraulic-seal-kit-by-size\/\\\" target=\\\"_blank\\\">cylinder seal kits for all common sizes.\"\n}\n},\n{\n\"@type\": \"Question\",\n\"name\": \"Do I need dust wipers?\",\n\"acceptedAnswer\": {\n\"@type\": \"Answer\",\n\"text\": \"Yes &mdash; especially in dusty, wet, or outdoor environments.\"\n}\n}\n]\n}\n<\/script><\/p>\n<h2>\uc0ac\ub78c\ub4e4\uc740 \ub610\ud55c \ubb3b\uc2b5\ub2c8\ub2e4<\/h2>\n<div class=\"faq-container\">\n<div class=\"faq-question\">1. What\u2019s the function of a pneumatic cylinder seal?<\/div>\n<div class=\"faq-answer\">It prevents compressed air from leaking and enables controlled cylinder motion.<\/div>\n<\/div>\n<div class=\"faq-container\">\n<div class=\"faq-question\">2. Which materials are used in pneumatic seals?<\/div>\n<div class=\"faq-answer\">NBR, PTFE, and TPU are top choices based on fluid, friction, and temperature needs.<\/div>\n<\/div>\n<div class=\"faq-container\">\n<div class=\"faq-question\">3. How do I know my cylinder seal is failing?<\/div>\n<div class=\"faq-answer\">Look for air hiss, motion drag, or worn surfaces.<\/div>\n<\/div>\n<div class=\"faq-container\">\n<div class=\"faq-question\">4. What\u2019s better for double-acting systems?<\/div>\n<div class=\"faq-answer\">Use reinforced seals with high durability, like TPU piston seals.<\/div>\n<\/div>\n<div class=\"faq-container\">\n<div class=\"faq-question\">5. Can I use hydraulic seals in pneumatic systems?<\/div>\n<div class=\"faq-answer\">Not recommended \u2014 hydraulic seals are built for liquid, not air dynamics.<\/div>\n<\/div>\n<div class=\"faq-container\">\n<div class=\"faq-question\">6. How often should I inspect my seals?<\/div>\n<div class=\"faq-answer\">Every 6\u201312 months, or after every 1,000 operational hours.<\/div>\n<\/div>\n<div class=\"faq-container\">\n<div class=\"faq-question\">7. Where can I find seal kits by size?<\/div>\n<div class=\"faq-answer\">Browse our <a href=\"https:\/\/hengoseal.com\/ko\/product\/hydraulic-seal-kit-by-size\/\" target=\"_blank\">cylinder seal kits<\/a> for all common sizes.<\/div>\n<\/div>\n<div class=\"faq-container\">\n<div class=\"faq-question\">8. Do I need dust wipers?<\/div>\n<div class=\"faq-answer\">Yes \u2014 especially in dusty, wet, or outdoor environments.<\/div>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>When I first dealt with leaking pneumatic systems, I realized that reliable pneumatic cylinder seals aren\u2019t optional \u2014 they\u2019re essential. [&hellip;]<\/p>","protected":false},"author":1,"featured_media":669,"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":"","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":[39],"tags":[],"class_list":["post-668","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-pneumatic-seals"],"_links":{"self":[{"href":"https:\/\/hengoseal.com\/ko\/wp-json\/wp\/v2\/posts\/668","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/hengoseal.com\/ko\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/hengoseal.com\/ko\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/hengoseal.com\/ko\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/hengoseal.com\/ko\/wp-json\/wp\/v2\/comments?post=668"}],"version-history":[{"count":0,"href":"https:\/\/hengoseal.com\/ko\/wp-json\/wp\/v2\/posts\/668\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/hengoseal.com\/ko\/wp-json\/wp\/v2\/media\/669"}],"wp:attachment":[{"href":"https:\/\/hengoseal.com\/ko\/wp-json\/wp\/v2\/media?parent=668"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/hengoseal.com\/ko\/wp-json\/wp\/v2\/categories?post=668"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/hengoseal.com\/ko\/wp-json\/wp\/v2\/tags?post=668"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}