{"id":8975,"date":"2026-07-19T21:09:33","date_gmt":"2026-07-19T13:09:33","guid":{"rendered":"https:\/\/www.stvvalves.com\/?post_type=product&#038;p=8975"},"modified":"2026-07-19T21:25:15","modified_gmt":"2026-07-19T13:25:15","slug":"bellows-sealed-globe-valve-flanged-10-inch-300lb","status":"publish","type":"product","link":"https:\/\/www.stvvalves.com\/it\/products\/bellows-sealed-globe-valve-flanged-10-inch-300lb\/","title":{"rendered":"Bellows Sealed Globe Valve flanged,10 Inch,300LB"},"content":{"rendered":"<h1>Bellows Sealed Globe Valve Flanged, 10 Inch, Class 300LB<\/h1>\n<p class=\"isSelectedEnd\">IL <strong>Bellows Sealed Globe Valve Flanged, 10 Inch (DN250), Class 300LB<\/strong> is a premium industrial valve engineered for <strong>zero stem leakage<\/strong>, <strong>precise flow regulation<\/strong>, E <strong>long-term reliability<\/strong> in demanding industrial applications. Designed with a <strong>multi-layer stainless steel bellows seal<\/strong>, this valve completely isolates the process fluid from the atmosphere, significantly reducing fugitive emissions while ensuring safe and efficient operation.<\/p>\n<p class=\"isSelectedEnd\">Manufactured in accordance with <strong>BS 1873<\/strong>, <strong>ASME B16.34<\/strong>, <strong>ASME B16.5<\/strong>, E <strong>API598<\/strong>, this <strong>10 Inch Bellows Sealed Globe Valve<\/strong> is widely used in <strong>power plants, refineries, petrochemical facilities, LNG terminals, thermal oil systems, chemical processing plants, offshore platforms, and industrial steam pipelines<\/strong>.<\/p>\n<p class=\"isSelectedEnd\">As a professional <strong>Bellows Sealed Globe Valve Manufacturer<\/strong>, <strong>STV Valves<\/strong> supplies high-quality flanged globe valves in carbon steel, stainless steel, alloy steel, duplex stainless steel, and special alloy materials to customers worldwide.<\/p>\n<div contenteditable=\"false\">\n<hr \/>\n<\/div>\n<h1>Why Choose a Bellows Sealed Globe Valve?<\/h1>\n<p class=\"isSelectedEnd\">Traditional globe valves rely on graphite packing around the valve stem to prevent leakage. Over time, repeated valve operation can wear the packing, increasing the risk of fugitive emissions and product loss.<\/p>\n<p class=\"isSelectedEnd\">UN <strong>Bellows Sealed Globe Valve<\/strong> uses a precision-welded stainless steel bellows to create a permanent pressure barrier between the process media and the environment, providing a much higher level of sealing reliability.<\/p>\n<h2>Key Benefits<\/h2>\n<ul data-spread=\"false\">\n<li>Virtually zero stem leakage<\/li>\n<li>Excellent fugitive emission control<\/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 requirements<\/li>\n<li>Enhanced environmental protection<\/li>\n<li>Lower total cost of ownership<\/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>Specifica<\/th>\n<\/tr>\n<tr>\n<td>nome del prodotto<\/td>\n<td>Bellows Sealed Globe Valve<\/td>\n<\/tr>\n<tr>\n<td>Tipo di valvola<\/td>\n<td>Bellows Sealed Globe Valve<\/td>\n<\/tr>\n<tr>\n<td>Nominal Size<\/td>\n<td>10 Inch (DN250)<\/td>\n<\/tr>\n<tr>\n<td>Valutazione della pressione<\/td>\n<td>ASME Class 300 (300LB)<\/td>\n<\/tr>\n<tr>\n<td>Body Material<\/td>\n<td>ASTM A216 WCB (Standard)<\/td>\n<\/tr>\n<tr>\n<td>Optional Materials<\/td>\n<td>ASTM A351 CF8, CF8M, WC6, WC9, LCB, Duplex, Super Duplex<\/td>\n<\/tr>\n<tr>\n<td>Bellows Material<\/td>\n<td>SS316L Multi-layer Stainless Steel<\/td>\n<\/tr>\n<tr>\n<td>Stem Material<\/td>\n<td>ASTM A182 F6a \/ F316<\/td>\n<\/tr>\n<tr>\n<td>Disc Material<\/td>\n<td>WCB + 13Cr or Stellite Hard Facing<\/td>\n<\/tr>\n<tr>\n<td>Seat Material<\/td>\n<td>Integral Seat \/ Stellite Overlay<\/td>\n<\/tr>\n<tr>\n<td>Imballaggio<\/td>\n<td>Flexible Graphite Secondary Seal<\/td>\n<\/tr>\n<tr>\n<td>Termina connessione<\/td>\n<td>RF Flanged End<\/td>\n<\/tr>\n<tr>\n<td>Flange Standard<\/td>\n<td>ASME B16.5 Class 300<\/td>\n<\/tr>\n<tr>\n<td>Norma di progettazione<\/td>\n<td>BS 1873<\/td>\n<\/tr>\n<tr>\n<td>Face-to-Face<\/td>\n<td>ASME B16.10<\/td>\n<\/tr>\n<tr>\n<td>Pressure Design<\/td>\n<td>ASME B16.34<\/td>\n<\/tr>\n<tr>\n<td>Inspection &amp; Testing<\/td>\n<td>API598<\/td>\n<\/tr>\n<tr>\n<td>Operazione<\/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>What Is a Bellows Sealed Globe Valve?<\/h1>\n<p class=\"isSelectedEnd\">A bellows sealed globe valve is a linear motion valve designed for both <strong>flow regulation<\/strong> E <strong>tight shut-off<\/strong>.<\/p>\n<p class=\"isSelectedEnd\">Unlike conventional valves, it incorporates a <strong>welded stainless steel bellows assembly<\/strong> that seals the valve stem from the atmosphere.<\/p>\n<h3>Working Principle<\/h3>\n<ol start=\"1\" data-spread=\"false\">\n<li>Turning the handwheel moves the valve stem.<\/li>\n<li>The welded bellows expands and contracts with the stem movement.<\/li>\n<li>Process media remain completely contained within the valve body.<\/li>\n<li>Flexible graphite packing provides a secondary safety seal.<\/li>\n<li>The valve delivers accurate flow control with virtually no external leakage.<\/li>\n<\/ol>\n<p class=\"isSelectedEnd\">This dual sealing system significantly improves operational safety and environmental protection.<\/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 stainless steel bellows eliminates stem leakage, helping plants comply with environmental regulations and reducing product loss.<\/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>Precise throttling<\/li>\n<li>Stable pressure control<\/li>\n<li>Smooth operation<\/li>\n<li>Excellent shut-off performance<\/li>\n<li>Minimal vibration<\/li>\n<\/ul>\n<div contenteditable=\"false\">\n<hr \/>\n<\/div>\n<h2>Heavy-Duty Flanged Construction<\/h2>\n<p class=\"isSelectedEnd\">The RF flanged connection offers:<\/p>\n<ul data-spread=\"false\">\n<li>Easy installation<\/li>\n<li>Reliable gasket sealing<\/li>\n<li>Convenient maintenance<\/li>\n<li>Compatibility with ASME Class 300 piping systems<\/li>\n<\/ul>\n<div contenteditable=\"false\">\n<hr \/>\n<\/div>\n<h2>Long Bellows Service Life<\/h2>\n<p class=\"isSelectedEnd\">The precision-formed multi-layer stainless steel bellows is designed for thousands of operating cycles while maintaining leak-tight performance.<\/p>\n<div contenteditable=\"false\">\n<hr \/>\n<\/div>\n<h2>Secondary Packing Safety<\/h2>\n<p class=\"isSelectedEnd\">Graphite packing acts as a backup seal, providing additional protection even if the bellows reaches the end of its fatigue life.<\/p>\n<div contenteditable=\"false\">\n<hr \/>\n<\/div>\n<h1>Advantages Over Conventional Globe Valves<\/h1>\n<table>\n<tbody>\n<tr>\n<td>Feature<\/td>\n<td>Bellows Sealed Globe Valve<\/td>\n<td>Standard Globe Valve<\/td>\n<\/tr>\n<tr>\n<td>Stem Leakage<\/td>\n<td>Near Zero<\/td>\n<td>Possible<\/td>\n<\/tr>\n<tr>\n<td>Fugitive Emissions<\/td>\n<td>Very Low<\/td>\n<td>Higher<\/td>\n<\/tr>\n<tr>\n<td>Maintenance<\/td>\n<td>Low<\/td>\n<td>Regular Packing Adjustment<\/td>\n<\/tr>\n<tr>\n<td>Environmental Protection<\/td>\n<td>Excellent<\/td>\n<td>Standard<\/td>\n<\/tr>\n<tr>\n<td>Service Life<\/td>\n<td>Longer<\/td>\n<td>Standard<\/td>\n<\/tr>\n<tr>\n<td>Operating Safety<\/td>\n<td>Higher<\/td>\n<td>Normal<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p class=\"isSelectedEnd\">Although the initial investment is higher, bellows sealed valves provide lower maintenance costs and greater long-term reliability.<\/p>\n<div contenteditable=\"false\">\n<hr \/>\n<\/div>\n<h1>Typical Applications<\/h1>\n<h2>Steam Systems<\/h2>\n<p class=\"isSelectedEnd\">Suitable for:<\/p>\n<ul data-spread=\"false\">\n<li>Main steam pipelines<\/li>\n<li>Boiler systems<\/li>\n<li>Condensate recovery<\/li>\n<li>Steam distribution networks<\/li>\n<\/ul>\n<div contenteditable=\"false\">\n<hr \/>\n<\/div>\n<h2>Petrochemical Plants<\/h2>\n<p class=\"isSelectedEnd\">Used in:<\/p>\n<ul data-spread=\"false\">\n<li>Refining processes<\/li>\n<li>Hydrocarbon service<\/li>\n<li>Solvent transfer<\/li>\n<li>Process utilities<\/li>\n<\/ul>\n<div contenteditable=\"false\">\n<hr \/>\n<\/div>\n<h2>Chemical Processing<\/h2>\n<p class=\"isSelectedEnd\">Ideal for:<\/p>\n<ul data-spread=\"false\">\n<li>Hazardous chemicals<\/li>\n<li>Toxic media<\/li>\n<li>Organic solvents<\/li>\n<li>Corrosive process fluids<\/li>\n<\/ul>\n<div contenteditable=\"false\">\n<hr \/>\n<\/div>\n<h2>Sistemi ad olio termico<\/h2>\n<p class=\"isSelectedEnd\">Provides dependable sealing under elevated operating temperatures.<\/p>\n<div contenteditable=\"false\">\n<hr \/>\n<\/div>\n<h2>LNG &amp; Industrial Gas<\/h2>\n<p class=\"isSelectedEnd\">Suitable for:<\/p>\n<ul data-spread=\"false\">\n<li>Natural gas<\/li>\n<li>Nitrogen<\/li>\n<li>Hydrogen<\/li>\n<li>Process gases<\/li>\n<\/ul>\n<div contenteditable=\"false\">\n<hr \/>\n<\/div>\n<h2>Power Generation<\/h2>\n<p class=\"isSelectedEnd\">Commonly installed in:<\/p>\n<ul data-spread=\"false\">\n<li>Feedwater systems<\/li>\n<li>Turbine auxiliaries<\/li>\n<li>Cooling water systems<\/li>\n<li>Boiler piping<\/li>\n<\/ul>\n<div contenteditable=\"false\">\n<hr \/>\n<\/div>\n<h1>Optional Configurations<\/h1>\n<p class=\"isSelectedEnd\">STV Valves offers customized options including:<\/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>Progettazione antincendio<\/li>\n<li>Low Fugitive Emission Packing<\/li>\n<li>Cryogenic Bonnet Extension<\/li>\n<li>NACE MR0175 Compliance<\/li>\n<li>EN 10204 3.1 \/ 3.2 Material Certificates<\/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 and Quality Assurance<\/h1>\n<p class=\"isSelectedEnd\">Every Bellows Sealed Globe Valve undergoes strict inspection before shipment.<\/p>\n<p class=\"isSelectedEnd\">Quality procedures include:<\/p>\n<ul data-spread=\"false\">\n<li>Hydrostatic Shell Test<\/li>\n<li>Seat Leakage Test<\/li>\n<li>Bellows Integrity 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 performed according to <strong>API598<\/strong>, <strong>ASME B16.34<\/strong>, and customer specifications.<\/p>\n<div contenteditable=\"false\">\n<hr \/>\n<\/div>\n<h1>Why Choose STV Valves?<\/h1>\n<p class=\"isSelectedEnd\"><strong>STV Valves<\/strong> is a trusted global manufacturer of industrial valves for oil &amp; gas, petrochemical, chemical processing, power generation, marine, mining, and water treatment industries.<\/p>\n<h3>Our Product Range<\/h3>\n<ul data-spread=\"false\">\n<li>Bellows Sealed Globe Valves<\/li>\n<li>Valvole a globo<\/li>\n<li>Gate Valves<\/li>\n<li>Valvole a sfera<\/li>\n<li>Controlla le valvole<\/li>\n<li>Butterfly Valves<\/li>\n<li>Valvole a saracinesca a coltello<\/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>ASTM A216 WCB<\/li>\n<li>ASTM A351 CF8 \/ CF8M<\/li>\n<li>ASTM A352LCB<\/li>\n<li>ASTM A217 WC6 \/ WC9<\/li>\n<li>Duplex Stainless Steel<\/li>\n<li>Super Duplex Stainless Steel<\/li>\n<li>Titanio<\/li>\n<li>Hastelloy C276<\/li>\n<li>Monel 400<\/li>\n<li>Inconel 625<\/li>\n<\/ul>\n<p class=\"isSelectedEnd\">With advanced manufacturing facilities, CNC machining centers, and rigorous quality control, STV Valves delivers reliable valve solutions that comply with API, ASME, DIN, EN, and ISO standards.<\/p>\n<p class=\"isSelectedEnd\">Visit <a href=\"http:\/\/www.stvvalves.com\/it\/\"><strong>www.stvvalves.com<\/strong><\/a> to request technical documentation, pricing, 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 advantage of a bellows sealed globe valve?<\/h3>\n<p class=\"isSelectedEnd\">A bellows sealed globe valve prevents stem leakage by using a welded metal bellows, improving safety, reducing fugitive emissions, and lowering maintenance costs.<\/p>\n<h3>Why choose a 10-inch Class 300 globe <a href=\"https:\/\/shop.eriks.nl\/en\/valves-and-actuators-bellows-sealed-globe-valves-bellows-sealed-globe-valve-flanged\/\" target=\"_blank\" rel=\"noopener\">valvola<\/a>?<\/h3>\n<p class=\"isSelectedEnd\">A 10-inch Class 300 valve is ideal for medium- to high-pressure industrial pipelines handling steam, oil, gas, chemicals, and process fluids where precise flow control is required.<\/p>\n<h3>Can this valve be automated?<\/h3>\n<p class=\"isSelectedEnd\">Yes. It can be supplied with electric, pneumatic, or gear actuators to meet automated process control requirements.<\/p>\n<h3>Which materials are available?<\/h3>\n<p class=\"isSelectedEnd\">In addition to WCB carbon steel, STV Valves offers stainless steel, alloy steel, duplex, super duplex, titanium, Hastelloy, Monel, and Inconel materials.<\/p>\n<h3>Which standards does this valve comply with?<\/h3>\n<p class=\"isSelectedEnd\">The valve is manufactured according to <strong>BS 1873<\/strong>, <strong>ASME B16.34<\/strong>, <strong>ASME B16.5<\/strong>, <strong>ASME B16.10<\/strong>, E <strong>API598<\/strong>.<\/p>\n<div contenteditable=\"false\">\n<hr \/>\n<\/div>\n<h4>Bellows sealing technology with a robust industrial design to deliver exceptional leak-tight performance, precise flow regulation, and extended service life. It is the preferred solution for industries seeking reliable operation, environmental compliance, and reduced maintenance in demanding process conditions.<\/h4>\n<div contenteditable=\"false\">\n<hr \/>\n<\/div>\n<h2><\/h2>","protected":false},"excerpt":{"rendered":"<p>STV Valve Technology Group Co., Ltd is a professional leader China Bellows Sealed Globe Valve flanged, ANSI Bellows Seal Globe Valve, Bellows Seal Globe Valve, Class 300 Globe Valve, 300LB Globe Valve, WCB Globe Valve, ASTM A216 WCB Globe Valve, 3 Inch Globe Valve, RF Flanged Globe Valve, BS 1873 Globe Valve, API 598 Globe Valve, Zero Leakage Globe Valve, Steam Globe Valve, Industrial Bellows Seal Valve, Bellows Seal Valve Manufacturer, WCB Industrial Valve, STV Valves Manufacturer with high quality and competitive price.<\/p>\n<p>&nbsp;<\/p>","protected":false},"featured_media":8976,"template":"","meta":[],"product_brand":[],"product_cat":[65,45],"product_tag":[2613,4266,212,915,4272,4274,1014,4265,322,4276,4275,4245,4154,4204,4270],"class_list":{"0":"post-8975","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-10-inch-globe-valve","9":"product_tag-300lb-globe-valve","10":"product_tag-api-602-globe-valve","11":"product_tag-bellows-seal-globe-valve","12":"product_tag-bellows-seal-valve-manufacturer","13":"product_tag-bellows-sealed-globe-valve","14":"product_tag-bs-1873-globe-valve","15":"product_tag-class-300-globe-valve","16":"product_tag-flanged-globe-valve","17":"product_tag-industrial-flow-control-valve","18":"product_tag-industrial-globe-valve","19":"product_tag-rf-flanged-globe-valve","20":"product_tag-steam-globe-valve","21":"product_tag-stv-valves","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\/it\/wp-json\/wp\/v2\/product\/8975","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.stvvalves.com\/it\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/www.stvvalves.com\/it\/wp-json\/wp\/v2\/types\/product"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.stvvalves.com\/it\/wp-json\/wp\/v2\/media\/8976"}],"wp:attachment":[{"href":"https:\/\/www.stvvalves.com\/it\/wp-json\/wp\/v2\/media?parent=8975"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/www.stvvalves.com\/it\/wp-json\/wp\/v2\/product_brand?post=8975"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/www.stvvalves.com\/it\/wp-json\/wp\/v2\/product_cat?post=8975"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/www.stvvalves.com\/it\/wp-json\/wp\/v2\/product_tag?post=8975"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}