{"id":8979,"date":"2026-07-19T21:50:31","date_gmt":"2026-07-19T13:50:31","guid":{"rendered":"https:\/\/www.stvvalves.com\/?post_type=product&#038;p=8979"},"modified":"2026-07-19T21:59:02","modified_gmt":"2026-07-19T13:59:02","slug":"din-bellows-sealed-globe-valve-pn64-dn125-rf-end","status":"publish","type":"product","link":"https:\/\/www.stvvalves.com\/pt\/products\/din-bellows-sealed-globe-valve-pn64-dn125-rf-end\/","title":{"rendered":"DIN Bellows Sealed Globe Valve ,PN64,DN125,RF End"},"content":{"rendered":"<h1>DIN Bellows Sealed Globe Valve,PN64,DN125,RF End<\/h1>\n<p class=\"isSelectedEnd\">O <strong>DIN Bellows Sealed Globe Valve, PN64, DN125 (5 Inch), RF Flanged End<\/strong> is a premium industrial isolation and throttling valve designed for <strong>zero stem leakage<\/strong>, <strong>excellent flow control<\/strong>, e <strong>long service life<\/strong>. Featuring a <strong>multi-ply stainless steel bellows seal<\/strong> and a <strong>DIN-compliant flanged design<\/strong>, this valve is widely used in high-pressure steam systems, thermal oil pipelines, petrochemical plants, refineries, power stations, chemical processing facilities, and district heating networks.<\/p>\n<p class=\"isSelectedEnd\">Unlike conventional globe valves, the <strong>DIN <a href=\"https:\/\/www.stvvalves.com\/pt\/wholesale\/globe-valve\/bellow-seal-globe-valve\/\">Bellows Sealed Globe Valve<\/a><\/strong> utilizes a hermetically welded metal bellows that completely isolates the process fluid from the atmosphere. This advanced sealing technology virtually eliminates fugitive emissions, reduces maintenance requirements, and significantly improves plant safety.<\/p>\n<p class=\"isSelectedEnd\">Manufactured according to <strong>RU\u00cdDO 3356<\/strong>, <strong>EN 13709<\/strong>, <strong>EN 1092-1<\/strong>, <strong>EN 12266-1<\/strong>, <strong>ISO 15848<\/strong>, e <strong>ASME B16.34<\/strong> (optional), STV Valves provides reliable bellows sealed globe valves for demanding industrial applications worldwide.<\/p>\n<div contenteditable=\"false\">\n<hr \/>\n<\/div>\n<h1>What Is a DIN Bellows Sealed Globe Valve?<\/h1>\n<p class=\"isSelectedEnd\">A <strong>DIN Bellows Sealed Globe Valve<\/strong> is a linear-motion valve designed for both <strong>flow regulation<\/strong> e <strong>tight shut-off<\/strong> while preventing leakage around the valve stem.<\/p>\n<p class=\"isSelectedEnd\">Instead of relying solely on conventional stem packing, the valve incorporates a <strong>precision-welded stainless steel bellows assembly<\/strong> between the stem and bonnet.<\/p>\n<p class=\"isSelectedEnd\">This design provides:<\/p>\n<ul data-spread=\"false\">\n<li>Zero external stem leakage<\/li>\n<li>Lower fugitive emissions<\/li>\n<li>Longer maintenance intervals<\/li>\n<li>Improved operational safety<\/li>\n<li>Reliable sealing throughout the valve&#8217;s service life<\/li>\n<\/ul>\n<div contenteditable=\"false\">\n<hr \/>\n<\/div>\n<h1>Why Choose a Bellows Sealed Globe Valve?<\/h1>\n<p class=\"isSelectedEnd\">Industrial plants handling high-temperature steam, hot oil, hazardous chemicals, or valuable process fluids require dependable sealing performance.<\/p>\n<p class=\"isSelectedEnd\">The bellows seal technology offers significant advantages over conventional packed valves.<\/p>\n<h3>Key Benefits<\/h3>\n<ul data-spread=\"false\">\n<li>Virtually zero stem leakage<\/li>\n<li>Excellent environmental protection<\/li>\n<li>Reliable shut-off performance<\/li>\n<li>Accurate throttling capability<\/li>\n<li>Long bellows fatigue life<\/li>\n<li>Reduced maintenance costs<\/li>\n<li>Lower lifecycle cost<\/li>\n<li>High operational safety<\/li>\n<li>Suitable for continuous industrial service<\/li>\n<\/ul>\n<div contenteditable=\"false\">\n<hr \/>\n<\/div>\n<h1>Product Specifications<\/h1>\n<table>\n<tbody>\n<tr>\n<th>Item<\/th>\n<th>Especifica\u00e7\u00e3o<\/th>\n<\/tr>\n<tr>\n<td>Nome do Produto<\/td>\n<td>DIN Bellows Sealed Globe Valve<\/td>\n<\/tr>\n<tr>\n<td>Tipo de v\u00e1lvula<\/td>\n<td>Bellows Sealed Globe Valve<\/td>\n<\/tr>\n<tr>\n<td>Nominal Size<\/td>\n<td>DN125 (5 Inch)<\/td>\n<\/tr>\n<tr>\n<td>Pressure Rating<\/td>\n<td>PN64<\/td>\n<\/tr>\n<tr>\n<td>Body Material<\/td>\n<td>GS-C25 Carbon Steel (Standard)<\/td>\n<\/tr>\n<tr>\n<td>Optional Materials<\/td>\n<td>1.0619, ASTM A216 WCB, CF8, CF8M, WC6, WC9, Duplex, Super Duplex<\/td>\n<\/tr>\n<tr>\n<td>Bellows Material<\/td>\n<td>SS316L Multi-Ply Stainless Steel<\/td>\n<\/tr>\n<tr>\n<td>Stem Material<\/td>\n<td>A\u00e7o inoxid\u00e1vel<\/td>\n<\/tr>\n<tr>\n<td>Disc Material<\/td>\n<td>Stainless Steel \/ Stellite Hard Facing (Optional)<\/td>\n<\/tr>\n<tr>\n<td>Seat Material<\/td>\n<td>Integral Seat \/ Stellite Overlay<\/td>\n<\/tr>\n<tr>\n<td>Embalagem<\/td>\n<td>Flexible Graphite Secondary Seal<\/td>\n<\/tr>\n<tr>\n<td>Terminar conex\u00e3o<\/td>\n<td>RF Flanged End<\/td>\n<\/tr>\n<tr>\n<td>Flange Standard<\/td>\n<td>EN 1092-1 PN64<\/td>\n<\/tr>\n<tr>\n<td>Padr\u00e3o de projeto<\/td>\n<td>DIN 3356 \/ EN 13709<\/td>\n<\/tr>\n<tr>\n<td>Face-to-Face<\/td>\n<td>EN 558<\/td>\n<\/tr>\n<tr>\n<td>Inspection &amp; Testing<\/td>\n<td>EN 12266-1 \/ API 598<\/td>\n<\/tr>\n<tr>\n<td>Temperature Range<\/td>\n<td>-29\u00b0C to 425\u00b0C (Material Dependent)<\/td>\n<\/tr>\n<tr>\n<td>Opera\u00e7\u00e3o<\/td>\n<td>Handwheel (Gear, Pneumatic &amp; Electric Optional)<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<div contenteditable=\"false\">\n<hr \/>\n<\/div>\n<h1>Working Principle<\/h1>\n<p class=\"isSelectedEnd\">The valve combines a traditional globe valve mechanism with a welded <a href=\"https:\/\/afcvalves.co.za\/wp-content\/uploads\/2022\/07\/din-bellow-seal-globe-valve.pdf\" target=\"_blank\" rel=\"noopener\">fole<\/a> assembly.<\/p>\n<p class=\"isSelectedEnd\">During operation:<\/p>\n<ol start=\"1\" data-spread=\"false\">\n<li>The handwheel rotates the valve stem.<\/li>\n<li>The stainless steel bellows expands and contracts together with the stem.<\/li>\n<li>The process media remain completely enclosed inside the valve body.<\/li>\n<li>Flexible graphite packing serves as a secondary emergency seal.<\/li>\n<li>The valve provides accurate flow regulation and dependable shut-off.<\/li>\n<\/ol>\n<p class=\"isSelectedEnd\">This dual sealing system greatly improves reliability and environmental performance.<\/p>\n<div contenteditable=\"false\">\n<hr \/>\n<\/div>\n<h1>Main Features<\/h1>\n<h2>Zero Fugitive Emissions<\/h2>\n<p class=\"isSelectedEnd\">The welded bellows completely isolates the process fluid from the surrounding atmosphere, making the valve suitable for environmentally sensitive applications.<\/p>\n<div contenteditable=\"false\">\n<hr \/>\n<\/div>\n<h2>Excellent Flow Regulation<\/h2>\n<p class=\"isSelectedEnd\">The globe valve design provides:<\/p>\n<ul data-spread=\"false\">\n<li>Stable pressure control<\/li>\n<li>Accurate throttling<\/li>\n<li>Smooth operation<\/li>\n<li>Reliable shut-off<\/li>\n<li>Long service life<\/li>\n<\/ul>\n<div contenteditable=\"false\">\n<hr \/>\n<\/div>\n<h2>DIN Standard Flanged Connection<\/h2>\n<p class=\"isSelectedEnd\">The RF flanged design offers:<\/p>\n<ul data-spread=\"false\">\n<li>Easy installation<\/li>\n<li>Secure gasket sealing<\/li>\n<li>Convenient maintenance<\/li>\n<li>Compatibility with EN 1092-1 piping systems<\/li>\n<\/ul>\n<div contenteditable=\"false\">\n<hr \/>\n<\/div>\n<h2>Stainless Steel Multi-Layer Bellows<\/h2>\n<p class=\"isSelectedEnd\">The precision-formed bellows provides:<\/p>\n<ul data-spread=\"false\">\n<li>Excellent fatigue resistance<\/li>\n<li>Long operating life<\/li>\n<li>Corrosion resistance<\/li>\n<li>Maintenance-free sealing performance<\/li>\n<\/ul>\n<div contenteditable=\"false\">\n<hr \/>\n<\/div>\n<h2>Secondary Graphite Packing<\/h2>\n<p class=\"isSelectedEnd\">Flexible graphite packing acts as an additional safety seal, ensuring reliable operation even after extended service.<\/p>\n<div contenteditable=\"false\">\n<hr \/>\n<\/div>\n<h1>Typical Applications<\/h1>\n<h2>Steam Systems<\/h2>\n<p class=\"isSelectedEnd\">Ideal for:<\/p>\n<ul data-spread=\"false\">\n<li>Main steam pipelines<\/li>\n<li>Boiler systems<\/li>\n<li>Steam distribution<\/li>\n<li>Condensate recovery<\/li>\n<\/ul>\n<div contenteditable=\"false\">\n<hr \/>\n<\/div>\n<h2>Sistemas de \u00d3leo T\u00e9rmico<\/h2>\n<p class=\"isSelectedEnd\">Suitable for:<\/p>\n<ul data-spread=\"false\">\n<li>Heat transfer oil<\/li>\n<li>Industrial heating equipment<\/li>\n<li>High-temperature process piping<\/li>\n<\/ul>\n<div contenteditable=\"false\">\n<hr \/>\n<\/div>\n<h2>Petrochemical Industry<\/h2>\n<p class=\"isSelectedEnd\">Used in:<\/p>\n<ul data-spread=\"false\">\n<li>Refinery process systems<\/li>\n<li>Hydrocarbon pipelines<\/li>\n<li>Utility services<\/li>\n<li>Process control applications<\/li>\n<\/ul>\n<div contenteditable=\"false\">\n<hr \/>\n<\/div>\n<h2>Chemical Processing<\/h2>\n<p class=\"isSelectedEnd\">Excellent for:<\/p>\n<ul data-spread=\"false\">\n<li>Corrosive process media<\/li>\n<li>Organic chemicals<\/li>\n<li>Industrial solvents<\/li>\n<li>High-temperature fluids<\/li>\n<\/ul>\n<div contenteditable=\"false\">\n<hr \/>\n<\/div>\n<h2>Power Generation<\/h2>\n<p class=\"isSelectedEnd\">Installed in:<\/p>\n<ul data-spread=\"false\">\n<li>Boiler feed systems<\/li>\n<li>Turbine auxiliary pipelines<\/li>\n<li>Condensate systems<\/li>\n<li>District heating plants<\/li>\n<\/ul>\n<div contenteditable=\"false\">\n<hr \/>\n<\/div>\n<h2>Industrial Utility Networks<\/h2>\n<p class=\"isSelectedEnd\">Commonly used for:<\/p>\n<ul data-spread=\"false\">\n<li>Hot water systems<\/li>\n<li>Industrial steam distribution<\/li>\n<li>Utility piping<\/li>\n<li>Process services<\/li>\n<\/ul>\n<div contenteditable=\"false\">\n<hr \/>\n<\/div>\n<h1>Optional Configurations<\/h1>\n<p class=\"isSelectedEnd\">STV Valves offers a complete range of customization options:<\/p>\n<ul data-spread=\"false\">\n<li>Electric Actuator<\/li>\n<li>Pneumatic Actuator<\/li>\n<li>Gear Operator<\/li>\n<li>Position Indicator<\/li>\n<li>Locking Device<\/li>\n<li>Stellite Trim<\/li>\n<li>Projeto seguro contra inc\u00eandio<\/li>\n<li>ISO 15848 Low Emission Design<\/li>\n<li>Cryogenic Extension Bonnet<\/li>\n<li>NACE MR0175 Compliance<\/li>\n<li>EN 10204 3.1 \/ 3.2 Material Certification<\/li>\n<li>Third-Party Inspection (SGS, BV, DNV, T\u00dcV)<\/li>\n<\/ul>\n<div contenteditable=\"false\">\n<hr \/>\n<\/div>\n<h1>Inspection &amp; Quality Assurance<\/h1>\n<p class=\"isSelectedEnd\">Every DIN Bellows Sealed Globe Valve undergoes comprehensive inspection before shipment.<\/p>\n<p class=\"isSelectedEnd\">Testing includes:<\/p>\n<ul data-spread=\"false\">\n<li>Hydrostatic Shell Test<\/li>\n<li>Seat Leakage Test<\/li>\n<li>Bellows Leak Test<\/li>\n<li>Air Leakage Test<\/li>\n<li>Backseat Test<\/li>\n<li>Positive Material Identification (PMI)<\/li>\n<li>Dimensional Inspection<\/li>\n<li>Functional Operation Test<\/li>\n<li>Final Visual Inspection<\/li>\n<\/ul>\n<p class=\"isSelectedEnd\">Testing is carried out according to <strong>EN 12266-1<\/strong>, <strong>API 598<\/strong>, and customer project specifications.<\/p>\n<div contenteditable=\"false\">\n<hr \/>\n<\/div>\n<h1>Why Choose STV Valves?<\/h1>\n<p class=\"isSelectedEnd\">STV Valves is a trusted manufacturer of industrial valves serving customers in power generation, petrochemical, oil &amp; gas, marine, chemical processing, mining, district heating, and water treatment industries.<\/p>\n<h3>Our Product Range<\/h3>\n<ul data-spread=\"false\">\n<li>DIN Bellows Sealed Globe Valves<\/li>\n<li>Bellows Seal Globe Valves<\/li>\n<li>Gate Valves<\/li>\n<li>V\u00e1lvulas de esfera<\/li>\n<li>V\u00e1lvulas de reten\u00e7\u00e3o<\/li>\n<li>Butterfly Valves<\/li>\n<li>V\u00e1lvulas de guilhotina<\/li>\n<li>Y Strainers<\/li>\n<li>Basket Strainers<\/li>\n<\/ul>\n<h3>Available Materials<\/h3>\n<ul data-spread=\"false\">\n<li>GS-C25<\/li>\n<li>ASTM A216 WCB<\/li>\n<li>ASTM A351 CF8 \/ CF8M<\/li>\n<li>ASTM A217 WC6 \/ WC9<\/li>\n<li>Duplex Stainless Steel<\/li>\n<li>Super Duplex Stainless Steel<\/li>\n<li>Tit\u00e2nio<\/li>\n<li>Hastelloy C276<\/li>\n<li>Monel<\/li>\n<li>Inconel<\/li>\n<\/ul>\n<p class=\"isSelectedEnd\">With advanced CNC machining centers, strict quality management, and extensive export experience, STV Valves manufactures industrial valves that comply with DIN, EN, API, ASME, ISO, and customer-specific standards.<\/p>\n<p class=\"isSelectedEnd\">Visit <a href=\"http:\/\/www.stvvalves.com\/pt\/\"><strong>www.stvvalves.com<\/strong><\/a> to request a quotation, technical documentation, or customized engineering support.<\/p>\n<div contenteditable=\"false\">\n<hr \/>\n<\/div>\n<h1>Frequently Asked Questions (FAQ)<\/h1>\n<h3>What is the main advantage of a bellows sealed globe valve?<\/h3>\n<p class=\"isSelectedEnd\">The welded stainless steel bellows prevents stem leakage, significantly reducing fugitive emissions while extending valve service life and lowering maintenance costs.<\/p>\n<h3>Why choose a PN64 globe valve?<\/h3>\n<p class=\"isSelectedEnd\">A PN64 pressure rating is suitable for medium- to high-pressure industrial systems, including steam, thermal oil, and chemical process pipelines.<\/p>\n<h3>Is the DN125 valve suitable for steam service?<\/h3>\n<p class=\"isSelectedEnd\">Yes. The DN125 PN64 bellows sealed globe valve is commonly used in high-pressure steam distribution, boiler systems, and condensate recovery applications.<\/p>\n<h3>Can this valve be automated?<\/h3>\n<p class=\"isSelectedEnd\">Yes. It is available with electric, pneumatic, or gear-operated actuators to support automated process control.<\/p>\n<h3>Which standards does this valve comply with?<\/h3>\n<p class=\"isSelectedEnd\">The valve can be manufactured according to <strong>RU\u00cdDO 3356<\/strong>, <strong>EN 13709<\/strong>, <strong>EN 1092-1<\/strong>, <strong>EN 12266-1<\/strong>, <strong>ISO 15848<\/strong>, and customer-specific project requirements.<\/p>\n<div contenteditable=\"false\">\n<hr \/>\n<\/div>\n<h1>Why This DIN Bellows Sealed Globe Valve Is the Best Choice<\/h1>\n<p>O <strong>DIN Bellows Sealed Globe Valve, PN64, DN125, RF End<\/strong> combines proven bellows sealing technology with a robust DIN-standard design to deliver <strong>zero stem leakage, precise flow regulation, exceptional reliability, and extended service life<\/strong>. It is an ideal solution for industrial facilities that require safe operation, environmental compliance, and dependable performance in steam, thermal oil, and demanding process applications.<\/p>","protected":false},"excerpt":{"rendered":"<p>STV Valve Technology Group Co., Ltd is a professional leader China DIN Bellows Sealed Globe Valve, Bellows Seal Globe Valve, PN64 Globe Valve, DN125 Globe Valve, 5 Inch Globe Valve, RF Flanged Globe Valve, DIN 3356 Globe Valve, EN 13709 Globe Valve, EN 1092-1 Valve, Zero Leakage Globe Valve, Steam Globe Valve, Thermal Oil Globe Valve, Industrial Globe Valve Manufacturer, Bellows Sealed Valve Supplier, STV Valves Manufacturer with high quality and competitive price.<\/p>\n<p>&nbsp;<\/p>","protected":false},"featured_media":8980,"template":"","meta":[],"product_brand":[],"product_cat":[65,45],"product_tag":[4281,4283,4284,1687,4279,4282,4130,4280,4245,4154,4204,4155,4278,4277,4270],"class_list":{"0":"post-8979","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-bellow-seal-globe-valve","7":"product_cat-globe-valve","8":"product_tag-8-inch-globe-valve","9":"product_tag-bellows-seal-valve","10":"product_tag-bellows-sealed-valve-supplier","11":"product_tag-din-3356-globe-valve","12":"product_tag-dn200-globe-valve","13":"product_tag-en-13709-globe-valve","14":"product_tag-industrial-globe-valve-manufacturer","15":"product_tag-pn25-globe-valve","16":"product_tag-rf-flanged-globe-valve","17":"product_tag-steam-globe-valve","18":"product_tag-stv-valves","19":"product_tag-thermal-oil-globe-valve","20":"product_tag-y-pattern-bellows-seal-globe-valve","21":"product_tag-y-type-bellows-sealed-globe-valve","22":"product_tag-zero-leakage-globe-valve","24":"first","25":"instock","26":"shipping-taxable","27":"product-type-simple"},"_links":{"self":[{"href":"https:\/\/www.stvvalves.com\/pt\/wp-json\/wp\/v2\/product\/8979","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.stvvalves.com\/pt\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/www.stvvalves.com\/pt\/wp-json\/wp\/v2\/types\/product"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.stvvalves.com\/pt\/wp-json\/wp\/v2\/media\/8980"}],"wp:attachment":[{"href":"https:\/\/www.stvvalves.com\/pt\/wp-json\/wp\/v2\/media?parent=8979"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/www.stvvalves.com\/pt\/wp-json\/wp\/v2\/product_brand?post=8979"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/www.stvvalves.com\/pt\/wp-json\/wp\/v2\/product_cat?post=8979"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/www.stvvalves.com\/pt\/wp-json\/wp\/v2\/product_tag?post=8979"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}