{"id":1271,"date":"2025-05-08T10:10:15","date_gmt":"2025-05-08T02:10:15","guid":{"rendered":"https:\/\/hengoseal.com\/?p=1271"},"modified":"2025-05-08T10:10:15","modified_gmt":"2025-05-08T02:10:15","slug":"custom-hydraulic-seals-guide","status":"publish","type":"post","link":"https:\/\/hengoseal.com\/uk\/custom-hydraulic-seals-guide\/","title":{"rendered":"Custom Hydraulic Seals: How to Design the Perfect Seal for Your Equipment in 2025"},"content":{"rendered":"<p>Standard seals don\u2019t always fit. Whether it\u2019s due to unique groove sizes, uncommon materials, or OEM requirements\u2014custom hydraulic seals are often the only way to keep your system running.<\/p>\n<p>Custom hydraulic seals are tailored to match exact dimensions, materials, and operating conditions for cylinders, pumps, and industrial machines. With our factory-direct service and low MOQ, custom doesn\u2019t mean expensive.<\/p>\n<p><img decoding=\"async\" src=\"http:\/\/hengoseal.com\/wp-content\/uploads\/2025\/05\/hydraulic-seal-kit-by-size-1.png\" alt=\"placeholder_image\" \/><\/p>\n<p>Let\u2019s explore how to create the perfect seal for your system\u2014step by step.<\/p>\n<h2>What is a custom hydraulic seal?<\/h2>\n<p>A custom seal is manufactured to meet non-standard groove sizes, pressure ratings, temperature ranges, or application-specific demands.<\/p>\n<p>Unlike off-the-shelf seals, custom options:<\/p>\n<ul>\n<li>Match legacy or imported equipment<\/li>\n<li>Solve recurring seal failures<\/li>\n<li>Combine multiple functions into one profile<\/li>\n<li>Use specialized materials like PTFE, FKM, or FDA-grade rubber<\/li>\n<\/ul>\n<p><img decoding=\"async\" src=\"http:\/\/hengoseal.com\/wp-content\/uploads\/2025\/05\/ChatGPT-Image-2025\u5e744\u670816\u65e5-13_54_28-1.png\" alt=\"placeholder_image\" \/><\/p>\n<p>If you\u2019re unsure where to start, we can help match your seal with OEM specs or reference it against our <a href=\"https:\/\/hengoseal.com\/uk\/oil-seal-cross-reference-chart\/\" target=\"_blank\">oil seal cross-reference chart<\/a>.<\/p>\n<h2>When do you need a custom hydraulic seal?<\/h2>\n<p>Custom seals are essential when:<\/p>\n<ul>\n<li>You can\u2019t find a standard size<\/li>\n<li>The seal groove has been worn or re-machined<\/li>\n<li>Your system uses uncommon fluids (e.g., bio-oils, glycol)<\/li>\n<li>You need a hybrid design (seal + guide + buffer in one)<\/li>\n<\/ul>\n<p><img decoding=\"async\" src=\"http:\/\/hengoseal.com\/wp-content\/uploads\/2025\/05\/Guide-Band.jpg\" alt=\"placeholder_image\" \/><\/p>\n<p>In these cases, choosing a pre-molded KDAS or <a href=\"https:\/\/hengoseal.com\/uk\/v-type-hydraulic-seals-guide\/\" target=\"_blank\">V-type seal<\/a> won\u2019t be enough. Instead, we design to fit your exact cylinder drawing or sample.<\/p>\n<h2>How do you design a custom seal?<\/h2>\n<p>We follow a 3-step process:<\/p>\n<ol>\n<li>\n<p><strong>Send us your specs<\/strong>  <\/p>\n<ul>\n<li>Dimensions (ID, OD, groove width\/depth)  <\/li>\n<li>Working pressure, fluid type, stroke speed  <\/li>\n<li>Preferred material or temperature range  <\/li>\n<\/ul>\n<\/li>\n<li>\n<p><strong>Confirm the drawing<\/strong><br \/>\nWe\u2019ll generate a 2D drawing or confirm against OEM references.<\/p>\n<\/li>\n<li>\n<p><strong>Prototype and ship<\/strong><br \/>\nFor small MOQ (even 10 pcs), we provide CNC or molded production with rapid delivery.<\/p>\n<\/li>\n<\/ol>\n<p><img decoding=\"async\" src=\"http:\/\/hengoseal.com\/wp-content\/uploads\/2025\/05\/LBH-Hydraulic-Seals.jpg\" alt=\"placeholder_image\" \/><\/p>\n<p>Need help measuring your old seal? Refer to our guide on <a href=\"https:\/\/hengoseal.com\/uk\/how-to-measure-hydraulic-seals\/\" target=\"_blank\">how to measure hydraulic seals<\/a> accurately.<\/p>\n<h2>Which materials can be customized?<\/h2>\n<p>We offer multiple materials for different conditions:<\/p>\n<table>\n<thead>\n<tr>\n<th>\u043c\u0430\u0442\u0435\u0440\u0456\u0430\u043b<\/th>\n<th>\u043e\u0441\u043e\u0431\u043b\u0438\u0432\u043e\u0441\u0442\u0456<\/th>\n<th>\u041d\u0430\u0439\u043a\u0440\u0430\u0449\u0435 \u0434\u043b\u044f<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>NBR<\/td>\n<td>\u041c\u0430\u0441\u043b\u043e\u0441\u0442\u043e\u0439\u043a\u043e\u0441\u0442\u044c, \u043d\u0438\u0437\u044c\u043a\u0430 \u0432\u0430\u0440\u0442\u0456\u0441\u0442\u044c<\/td>\n<td>Standard hydraulics<\/td>\n<\/tr>\n<tr>\n<td>FKM<\/td>\n<td>High-temp, chemical resistance<\/td>\n<td>Chemical + mining<\/td>\n<\/tr>\n<tr>\n<td>PU<\/td>\n<td>Abrasion resistance<\/td>\n<td>Construction + forklifts<\/td>\n<\/tr>\n<tr>\n<td>PTFE<\/td>\n<td>Low friction, extreme temp<\/td>\n<td>Pumps, cylinders, valves<\/td>\n<\/tr>\n<tr>\n<td>\u0421\u0438\u043b\u0456\u043a\u043e\u043d<\/td>\n<td>Food-grade, soft<\/td>\n<td>FDA or water contact systems<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>For high-pressure systems, combine a PTFE sealing ring with a PU energizer and a <a href=\"https:\/\/hengoseal.com\/uk\/product\/kdas-compact-seal\/\" target=\"_blank\">KDAS buffer seal<\/a> for shock absorption.<\/p>\n<h2>What\u2019s the MOQ and lead time for custom seals?<\/h2>\n<p>We specialize in <strong>low-MOQ custom production<\/strong>, including:<\/p>\n<ul>\n<li>MOQ from 10 pcs<\/li>\n<li>Lead time as fast as 3\u20135 days for CNC cut seals<\/li>\n<li>Molded samples in 7\u201310 days<\/li>\n<li>Mixed-size kits available for maintenance teams<\/li>\n<\/ul>\n<p>Unlike large brands, we don\u2019t require huge minimums. Even if you only need a few sizes, we\u2019re happy to help. Check our <a href=\"https:\/\/hengoseal.com\/uk\/custom-solutions\/\" target=\"_blank\">custom rubber solutions page<\/a> for full options.<\/p>\n<h2>What industries benefit from custom sealing?<\/h2>\n<p>Custom hydraulic seals are used in:<\/p>\n<ul>\n<li>Agriculture (tractors, plows, sprayers)<\/li>\n<li>Mining &amp; steel (cylinders, presses)<\/li>\n<li>Construction (excavators, lifts)<\/li>\n<li>Food &amp; beverage (FDA-grade seals)<\/li>\n<li>Injection molding and hydraulic presses<\/li>\n<\/ul>\n<p>We\u2019ve helped clients match discontinued OEM seals, improve leak rates, and extend service life with <a href=\"https:\/\/hengoseal.com\/uk\/un-hydraulic-seal-guide\/\" target=\"_blank\">UN rod seal<\/a> + custom buffer combos.<\/p>\n<h2>\u0412\u0438\u0441\u043d\u043e\u0432\u043e\u043a<\/h2>\n<p>Custom hydraulic seals are no longer slow or expensive. With the right specs, materials, and partner\u2014you can build the perfect seal for any system.<\/p>\n<h2>Start your custom seal project now<\/h2>\n<p>\ud83d\udce9 mail:info@hengoseal.com<br \/>\n\ud83d\udcde WhatsApp\uff1a+86 17622979498<\/p>\n<h2>Related topic<\/h2>\n<ul>\n<li><a href=\"https:\/\/hengoseal.com\/uk\/un-hydraulic-seal-guide\/\" target=\"_blank\">UN Hydraulic Seal: OEM Rod Sealing Guide<\/a><\/li>\n<li><a href=\"https:\/\/hengoseal.com\/uk\/v-type-hydraulic-seals-guide\/\" target=\"_blank\">V-Type Hydraulic Seals for Extreme Pressure<\/a><\/li>\n<li><a href=\"https:\/\/hengoseal.com\/uk\/how-to-measure-hydraulic-seals\/\" target=\"_blank\">How to Measure Hydraulic Seals<\/a><\/li>\n<li><a href=\"https:\/\/hengoseal.com\/uk\/kdas-seal-guide\/\" target=\"_blank\">KDAS Compact Seal for High-Pressure Buffers<\/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\": \"Do you require drawings for custom seals?\",\n\"acceptedAnswer\": {\n\"@type\": \"Answer\",\n\"text\": \"Not always&mdash;samples or photos with caliper measurements also work.\"\n}\n},\n{\n\"@type\": \"Question\",\n\"name\": \"Can I order multiple sizes in one order?\",\n\"acceptedAnswer\": {\n\"@type\": \"Answer\",\n\"text\": \"Yes, mixed-size kits are available with low MOQ.\"\n}\n},\n{\n\"@type\": \"Question\",\n\"name\": \"Are food-grade materials available?\",\n\"acceptedAnswer\": {\n\"@type\": \"Answer\",\n\"text\": \"Yes, we offer FDA silicone and special NBR for water and beverage systems.\"\n}\n},\n{\n\"@type\": \"Question\",\n\"name\": \"What if I don&rsquo;t know the material I need?\",\n\"acceptedAnswer\": {\n\"@type\": \"Answer\",\n\"text\": \"Tell us your working fluid and temperature&mdash;we&rsquo;ll recommend the best option.\"\n}\n},\n{\n\"@type\": \"Question\",\n\"name\": \"Do you offer custom seal kits?\",\n\"acceptedAnswer\": {\n\"@type\": \"Answer\",\n\"text\": \"Yes, including <a href=\\\"https:\/\/hengoseal.com\/product\/hydraulic-seal-kit-by-size\/\\\" target=\\\"_blank\\\">hydraulic seal kits by size and application.\"\n}\n},\n{\n\"@type\": \"Question\",\n\"name\": \"How long does it take to get a custom quote?\",\n\"acceptedAnswer\": {\n\"@type\": \"Answer\",\n\"text\": \"Usually within 24 hours after receiving specs.\"\n}\n},\n{\n\"@type\": \"Question\",\n\"name\": \"Can you match OEM codes from other brands?\",\n\"acceptedAnswer\": {\n\"@type\": \"Answer\",\n\"text\": \"Yes, send us the part number&mdash;we'll check against our catalog.\"\n}\n},\n{\n\"@type\": \"Question\",\n\"name\": \"Do you export worldwide?\",\n\"acceptedAnswer\": {\n\"@type\": \"Answer\",\n\"text\": \"Yes, with fast shipping options and documentation support.\"\n}\n}\n]\n}\n<\/script><\/p>\n<h2>\u041b\u044e\u0434\u0438 \u0442\u0430\u043a\u043e\u0436 \u0437\u0430\u043f\u0438\u0442\u0443\u044e\u0442\u044c<\/h2>\n<div class=\"faq-container\">\n<div class=\"faq-question\">1. Do you require drawings for custom seals?<\/div>\n<div class=\"faq-answer\">Not always\u2014samples or photos with caliper measurements also work.<\/div>\n<\/div>\n<div class=\"faq-container\">\n<div class=\"faq-question\">2. Can I order multiple sizes in one order?<\/div>\n<div class=\"faq-answer\">Yes, mixed-size kits are available with low MOQ.<\/div>\n<\/div>\n<div class=\"faq-container\">\n<div class=\"faq-question\">3. Are food-grade materials available?<\/div>\n<div class=\"faq-answer\">Yes, we offer FDA silicone and special NBR for water and beverage systems.<\/div>\n<\/div>\n<div class=\"faq-container\">\n<div class=\"faq-question\">4. What if I don\u2019t know the material I need?<\/div>\n<div class=\"faq-answer\">Tell us your working fluid and temperature\u2014we\u2019ll recommend the best option.<\/div>\n<\/div>\n<div class=\"faq-container\">\n<div class=\"faq-question\">5. Do you offer custom seal kits?<\/div>\n<div class=\"faq-answer\">Yes, including <a href=\"https:\/\/hengoseal.com\/uk\/product\/hydraulic-seal-kit-by-size\/\" target=\"_blank\">hydraulic seal kits by size<\/a> and application.<\/div>\n<\/div>\n<div class=\"faq-container\">\n<div class=\"faq-question\">6. How long does it take to get a custom quote?<\/div>\n<div class=\"faq-answer\">Usually within 24 hours after receiving specs.<\/div>\n<\/div>\n<div class=\"faq-container\">\n<div class=\"faq-question\">7. Can you match OEM codes from other brands?<\/div>\n<div class=\"faq-answer\">Yes, send us the part number\u2014we'll check against our catalog.<\/div>\n<\/div>\n<div class=\"faq-container\">\n<div class=\"faq-question\">8. Do you export worldwide?<\/div>\n<div class=\"faq-answer\">Yes, with fast shipping options and documentation support.<\/div>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>Standard seals don\u2019t always fit. Whether it\u2019s due to unique groove sizes, uncommon materials, or OEM requirements\u2014custom hydraulic seals are [&hellip;]<\/p>","protected":false},"author":1,"featured_media":1275,"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":[38,53],"tags":[],"class_list":["post-1271","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-hydraulic-seals","category-buying-guide"],"_links":{"self":[{"href":"https:\/\/hengoseal.com\/uk\/wp-json\/wp\/v2\/posts\/1271","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/hengoseal.com\/uk\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/hengoseal.com\/uk\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/hengoseal.com\/uk\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/hengoseal.com\/uk\/wp-json\/wp\/v2\/comments?post=1271"}],"version-history":[{"count":0,"href":"https:\/\/hengoseal.com\/uk\/wp-json\/wp\/v2\/posts\/1271\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/hengoseal.com\/uk\/wp-json\/wp\/v2\/media\/1275"}],"wp:attachment":[{"href":"https:\/\/hengoseal.com\/uk\/wp-json\/wp\/v2\/media?parent=1271"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/hengoseal.com\/uk\/wp-json\/wp\/v2\/categories?post=1271"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/hengoseal.com\/uk\/wp-json\/wp\/v2\/tags?post=1271"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}