{"id":6324,"date":"2025-07-08T00:40:58","date_gmt":"2025-07-08T00:40:58","guid":{"rendered":"https:\/\/fs-elliott.com\/?p=6324"},"modified":"2026-10-28T22:48:58","modified_gmt":"2026-10-28T22:48:58","slug":"whats-the-difference-between-inlet-guide-vanes-vs-inlet-butterfly-valves","status":"publish","type":"post","link":"https:\/\/fs-elliott.com\/id\/blog\/whats-the-difference-between-inlet-guide-vanes-vs-inlet-butterfly-valves\/","title":{"rendered":"What&#8217;s the Difference Between Inlet Guide Vanes vs. Inlet Butterfly Valves?"},"content":{"rendered":"<div data-elementor-type=\"wp-post\" data-elementor-id=\"6324\" class=\"elementor elementor-6324\" data-elementor-post-type=\"post\">\n\t\t\t\t<div class=\"elementor-element elementor-element-42bf938 e-flex e-con-boxed e-con e-parent\" data-id=\"42bf938\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t<div class=\"elementor-element elementor-element-846b8fd e-con-full e-flex e-con e-child\" data-id=\"846b8fd\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-0536821 elementor-widget elementor-widget-heading\" data-id=\"0536821\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h1 class=\"elementor-heading-title elementor-size-default\">What\u2019s the Difference Between Inlet Guide Vanes vs. Inlet Butterfly Valves?<\/h1>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-6a9bc18 elementor-widget elementor-widget-heading\" data-id=\"6a9bc18\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h6 class=\"elementor-heading-title elementor-size-default\">Juli 8, 2025<\/h6>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-6ee366e blog-float-image elementor-widget elementor-widget-image\" data-id=\"6ee366e\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img fetchpriority=\"high\" decoding=\"async\" width=\"800\" height=\"333\" src=\"https:\/\/fs-elliott.com\/wp-content\/uploads\/2025\/07\/IGV-Blog.png\" class=\"attachment-large size-large wp-image-12849\" alt=\"Inlet Guide Vane next to an Inlet Butterfly Valve\" srcset=\"https:\/\/fs-elliott.com\/wp-content\/uploads\/2025\/07\/IGV-Blog.png 960w, https:\/\/fs-elliott.com\/wp-content\/uploads\/2025\/07\/IGV-Blog-300x125.png 300w, https:\/\/fs-elliott.com\/wp-content\/uploads\/2025\/07\/IGV-Blog-768x320.png 768w, https:\/\/fs-elliott.com\/wp-content\/uploads\/2025\/07\/IGV-Blog-18x8.png 18w, https:\/\/fs-elliott.com\/wp-content\/uploads\/2025\/07\/IGV-Blog-24x10.png 24w, https:\/\/fs-elliott.com\/wp-content\/uploads\/2025\/07\/IGV-Blog-36x15.png 36w, https:\/\/fs-elliott.com\/wp-content\/uploads\/2025\/07\/IGV-Blog-48x20.png 48w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-4e61155 e-flex e-con-boxed e-con e-parent\" data-id=\"4e61155\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t<div class=\"elementor-element elementor-element-a8235dc e-con-full blog-wrap e-flex e-con e-child\" data-id=\"a8235dc\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-b89ca81 elementor-widget elementor-widget-text-editor\" data-id=\"b89ca81\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<div style=\"font-size: 16px; line-height: 1.5;\"><p>When evaluating the performance of a centrifugal compressor, few components have as much influence over energy efficiency and airflow control as the inlet control mechanism. Two common technologies, Inlet Guide Vanes (IGVs) and Inlet Butterfly Valves (IBVs), offer different approaches to managing inlet pressure and flow, each with its own impact on performance, energy use, and long-term operating costs.<br \/><br \/>While IBVs have historically dominated centrifugal compressor configurations, IGVs have steadily gained adoption in high-performance industrial applications.<\/p><\/div>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-02d1559 e-flex e-con-boxed e-con e-parent\" data-id=\"02d1559\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t<div class=\"elementor-element elementor-element-fe12ea9 e-con-full e-flex e-con e-child\" data-id=\"fe12ea9\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t<div class=\"elementor-element elementor-element-37273ac elementor-widget elementor-widget-heading\" data-id=\"37273ac\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">What is an IGV Valve?<\/h2>\t\t\t\t<\/div>\n\t\t\t\t\t\n<hr class=\"e-81a307b-f3655e0 e-divider-base\" data-interaction-id=\"81a307b\"  data-e-type=\"widget\" data-id=\"81a307b\" \/>\n\t\t\t\t<div class=\"elementor-element elementor-element-e31950a elementor-widget elementor-widget-text-editor\" data-id=\"e31950a\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>The full form of IGV is Inlet Guide Vane. In a centrifugal compressor, an IGV valve is an advanced inlet control mechanism that uses multiple adjustable, triangular vanes to direct and &#8216;pre-swirl&#8217; incoming airflow. This aerodynamic design makes it significantly more efficient than traditional throttling methods.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-e479fc0 e-flex e-con-boxed e-con e-parent\" data-id=\"e479fc0\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t<div class=\"elementor-element elementor-element-36c7c61 e-con-full e-flex e-con e-child\" data-id=\"36c7c61\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t<div class=\"elementor-element elementor-element-528c820 elementor-widget elementor-widget-heading\" data-id=\"528c820\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">How Inlet Butterfly Valves Regulate Flow<\/h2>\t\t\t\t<\/div>\n\t\t\t\t\t\n<hr class=\"e-16fd6dc-90e77bd e-divider-base\" data-interaction-id=\"16fd6dc\"  data-e-type=\"widget\" data-id=\"16fd6dc\" \/>\n\t\t\t\t<div class=\"elementor-element elementor-element-c3e850e elementor-widget elementor-widget-text-editor\" data-id=\"c3e850e\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p><style>.ibv-section{display:flex;align-items:flex-start;gap:25px;width:100%;line-height:1.6}.ibv-text{flex:1;min-width:0}.ibv-text p:first-child{margin-top:0}.ibv-image{width:280px;max-width:35%;height:auto;object-fit:contain;flex-shrink:0;margin-left:auto}@media(max-width:767px){.ibv-section{flex-direction:column;align-items:stretch}.ibv-image{width:280px;max-width:100%;align-self:center;margin:0 auto}}<\/style><\/p><div class=\"ibv-section\"><div class=\"ibv-text\"><p>Inlet Butterfly Valves operate by directing the airflow into the first stage of compression in a straight-line path toward the impeller. The impeller then spins the air using power from the main driver, increasing air velocity and directing the flow into the diffuser portion of the compressor.<\/p><p>When partially closed, the IBV reduces inlet pressure by wasting some of the available static pressure, leading to unnecessary energy loss. As a result, the compressor must operate at a higher overall pressure ratio to maintain the same discharge pressure, making IBVs a less efficient option.<\/p><\/div><p><img decoding=\"async\" class=\"ibv-image\" src=\"https:\/\/fs-elliott.com\/wp-content\/uploads\/2026\/10\/IBV.png\" alt=\"Inlet Butterfly Valve\" \/><\/p><\/div>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-49d2f95 e-flex e-con-boxed e-con e-parent\" data-id=\"49d2f95\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t<div class=\"elementor-element elementor-element-ca96679 e-con-full e-flex e-con e-child\" data-id=\"ca96679\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t<div class=\"elementor-element elementor-element-4fe8a20 elementor-widget elementor-widget-heading\" data-id=\"4fe8a20\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">How do Inlet Guide Vanes Function?<\/h2>\t\t\t\t<\/div>\n\t\t\t\t\t\n<hr class=\"e-1b40edc-91f5c9c e-divider-base\" data-interaction-id=\"1b40edc\"  data-e-type=\"widget\" data-id=\"1b40edc\" \/>\n\t\t\t\t<div class=\"elementor-element elementor-element-ce4189c elementor-widget elementor-widget-text-editor\" data-id=\"ce4189c\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p><style>.igv-section{display:flex;align-items:flex-start;gap:25px;width:100%;line-height:1.6}.igv-text{flex:1;min-width:0}.igv-text p:first-child{margin-top:0}.igv-image{width:280px;max-width:35%;height:auto;object-fit:contain;flex-shrink:0;margin-left:auto}@media(max-width:767px){.igv-section{flex-direction:column;align-items:stretch}.igv-image{width:280px;max-width:100%;align-self:center;margin:0 auto}}<\/style><\/p><div class=\"igv-section\"><div class=\"igv-text\"><p>Unlike IBVs, IGVs use multiple triangular vanes to direct incoming airflow in a swirling motion, aligning it with the impeller\u2019s rotation. This \u201cpre-swirled\u201d flow reduces the amount of work required from the main driver, improving efficiency. As the vanes close, the swirl effect increases, which reduces the load on the impeller and lowers power consumption without sacrificing discharge pressure. Because of this aerodynamic advantage, IGVs are significantly more efficient than IBVs during turndown and are ideal for facilities with fluctuating air demand or energy-efficiency goals.<\/p><\/div><p><img decoding=\"async\" class=\"igv-image\" src=\"https:\/\/fs-elliott.com\/wp-content\/uploads\/2026\/10\/IGV.png\" alt=\"Inlet Guide Vanes (IGV)\" \/><\/p><\/div>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-2e8e0be e-flex e-con-boxed e-con e-parent\" data-id=\"2e8e0be\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t<div class=\"elementor-element elementor-element-80748c5 e-con-full e-flex e-con e-child\" data-id=\"80748c5\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t<div class=\"elementor-element elementor-element-5af4836 elementor-widget elementor-widget-heading\" data-id=\"5af4836\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Side-by-Side Comparison: IBV vs. IGV Performance<\/h2>\t\t\t\t<\/div>\n\t\t\t\t\t\n<hr class=\"e-e751686-dc28110 e-divider-base\" data-interaction-id=\"e751686\"  data-e-type=\"widget\" data-id=\"e751686\" \/>\n\t\t\t\t<div class=\"elementor-element elementor-element-fb1cb55 elementor-widget elementor-widget-text-editor\" data-id=\"fb1cb55\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t\n<style>\n.ibv-igv-table-wrap {\n    width: 100%;\n    box-sizing: border-box;\n    padding: 0 20px;\n    margin: 25px 0;\n    overflow-x: auto;\n    -webkit-overflow-scrolling: touch;\n}\n\n.ibv-igv-table {\n    width: 100%;\n    min-width: 650px;\n    border-collapse: collapse;\n    border: 1px solid #ddd;\n    text-align: left;\n    line-height: 1.6;\n}\n\n.ibv-igv-table th,\n.ibv-igv-table td {\n    border: 1px solid #ddd;\n    padding: 12px 15px;\n    vertical-align: top;\n}\n\n.ibv-igv-table th {\n    font-weight: bold;\n}\n\n@media (max-width: 767px) {\n    .ibv-igv-table-wrap {\n        padding: 0 15px;\n    }\n\n    .ibv-igv-table th,\n    .ibv-igv-table td {\n        padding: 10px;\n        font-size: 14px;\n    }\n}\n<\/style>\n\n<p>The main benefit of updating from an IBV to an IGV is the energy conservation gained from throttling the compressor. Compressors are designed to operate at the highest ambient temperature conditions, so when the temperature is lower, the ability to throttle extra air is paramount.<\/p>\n\n<p>Consider a centrifugal compressor operating at 72% of its design flow:<\/p>\n\n<div class=\"ibv-igv-table-wrap\">\n    <table class=\"ibv-igv-table\">\n        <thead>\n            <tr>\n                <th scope=\"col\">Feature<\/th>\n                <th scope=\"col\">Inlet Butterfly Valve (IBV)<\/th>\n                <th scope=\"col\">Inlet Guide Vane (IGV)<\/th>\n            <\/tr>\n        <\/thead>\n        <tbody>\n            <tr>\n                <td>Airflow Direction<\/td>\n                <td>Directs air in a straight-line path toward the impeller.<\/td>\n                <td>&#8220;Pre-swirls&#8221; air to align with the impeller&#8217;s rotation.<\/td>\n            <\/tr>\n            <tr>\n                <td>Energy Loss<\/td>\n                <td>Wastes available static pressure; requires higher overall pressure ratio.<\/td>\n                <td>Reduces the aerodynamic workload on the main driver.<\/td>\n            <\/tr>\n            <tr>\n                <td>Power Consumption (at 72% flow)<\/td>\n                <td>Remains at 72% of design power.<\/td>\n                <td>Drops to roughly 63% of design power.<\/td>\n            <\/tr>\n            <tr>\n                <td>Best Used For<\/td>\n                <td>Standard systems with highly consistent flow demands.<\/td>\n                <td>Facilities with fluctuating air demand or energy-efficiency goals.<\/td>\n            <\/tr>\n        <\/tbody>\n    <\/table>\n<\/div>\n\n<p>That\u2019s a 9% reduction in BHP, translating to thousands of dollars in annual energy savings in large-scale operations. In facilities running multiple compressors or high-horsepower units, this efficiency gap quickly compounds into a meaningful bottom-line impact.<\/p>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-04b552a elementor-widget__width-initial elementor-widget elementor-widget-image\" data-id=\"04b552a\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" width=\"800\" height=\"520\" src=\"https:\/\/fs-elliott.com\/wp-content\/uploads\/2026\/10\/Energy-Savings-Chart-IGV-vs-IBV-1024x665.png\" class=\"attachment-large size-large wp-image-6328\" alt=\"Energy Savings Chart\" srcset=\"https:\/\/fs-elliott.com\/wp-content\/uploads\/2026\/10\/Energy-Savings-Chart-IGV-vs-IBV-1024x665.png 1024w, https:\/\/fs-elliott.com\/wp-content\/uploads\/2026\/10\/Energy-Savings-Chart-IGV-vs-IBV-300x195.png 300w, https:\/\/fs-elliott.com\/wp-content\/uploads\/2026\/10\/Energy-Savings-Chart-IGV-vs-IBV-768x499.png 768w, https:\/\/fs-elliott.com\/wp-content\/uploads\/2026\/10\/Energy-Savings-Chart-IGV-vs-IBV-1536x997.png 1536w, https:\/\/fs-elliott.com\/wp-content\/uploads\/2026\/10\/Energy-Savings-Chart-IGV-vs-IBV-18x12.png 18w, https:\/\/fs-elliott.com\/wp-content\/uploads\/2026\/10\/Energy-Savings-Chart-IGV-vs-IBV-24x16.png 24w, https:\/\/fs-elliott.com\/wp-content\/uploads\/2026\/10\/Energy-Savings-Chart-IGV-vs-IBV-36x23.png 36w, https:\/\/fs-elliott.com\/wp-content\/uploads\/2026\/10\/Energy-Savings-Chart-IGV-vs-IBV-48x31.png 48w, https:\/\/fs-elliott.com\/wp-content\/uploads\/2026\/10\/Energy-Savings-Chart-IGV-vs-IBV.png 1924w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-2e9e7ec e-flex e-con-boxed e-con e-parent\" data-id=\"2e9e7ec\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t<div class=\"elementor-element elementor-element-848036a e-con-full e-flex e-con e-child\" data-id=\"848036a\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t<div class=\"elementor-element elementor-element-fa8e2af elementor-widget elementor-widget-heading\" data-id=\"fa8e2af\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Installation Considerations and Retrofit Potential<\/h2>\t\t\t\t<\/div>\n\t\t\t\t\t\n<hr class=\"e-4e0d59c-8443f42 e-divider-base\" data-interaction-id=\"4e0d59c\"  data-e-type=\"widget\" data-id=\"4e0d59c\" \/>\n\t\t\t\t<div class=\"elementor-element elementor-element-db49ec0 elementor-widget elementor-widget-text-editor\" data-id=\"db49ec0\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>Upgrading from an IBV to an IGV may require moderate modifications depending on your compressor\u2019s design, but the retrofit is typically straightforward for most FS-Elliott centrifugal units.\u00a0IGVs are compatible with many variable inlet control systems and can be integrated with modern control panels to provide better responsiveness to real-time load changes.<br \/><br \/>Additionally, when paired with smart compressor control systems, IGVs allow more precise setpoint tuning, reduced cycling, and more consistent system pressures\u2014further extending equipment life and reducing maintenance frequency.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-6888a51 e-flex e-con-boxed e-con e-parent\" data-id=\"6888a51\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t<div class=\"elementor-element elementor-element-ad3dae5 e-con-full e-flex e-con e-child\" data-id=\"ad3dae5\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t<div class=\"elementor-element elementor-element-db191fd elementor-widget elementor-widget-heading\" data-id=\"db191fd\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Is an IGV Right for Your Centrifugal Compressor?<\/h2>\t\t\t\t<\/div>\n\t\t\t\t\t\n<hr class=\"e-93b57d8-31d3abc e-divider-base\" data-interaction-id=\"93b57d8\"  data-e-type=\"widget\" data-id=\"93b57d8\" \/>\n\t\t\t\t<div class=\"elementor-element elementor-element-ed1a603 elementor-widget elementor-widget-text-editor\" data-id=\"ed1a603\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>If your plant operates under varying loads, seasonal ambient conditions, or is actively pursuing energy reduction goals, an IGV upgrade may be a high-ROI improvement. FS-Elliott\u2019s experts can assess your current inlet configuration and operating profile to determine whether switching from an IBV to an IGV will deliver measurable gains in energy performance and system reliability.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-c472c09 e-flex e-con-boxed e-con e-parent\" data-id=\"c472c09\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t<div class=\"elementor-element elementor-element-e2acd68 e-con-full e-flex e-con e-child\" data-id=\"e2acd68\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t<div class=\"elementor-element elementor-element-6995b0e elementor-widget elementor-widget-heading\" data-id=\"6995b0e\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Optimize Compressor Efficiency with Advanced Inlet Controls<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-c069d5f elementor-widget elementor-widget-text-editor\" data-id=\"c069d5f\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p data-pm-slice=\"1 1 []\">Connect with our team to explore how inlet guide vanes and inlet butterfly valves can help regulate airflow, improve energy efficiency, and optimize centrifugal compressor performance under varying operating conditions.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-e702707 elementor-widget elementor-widget-button\" data-id=\"e702707\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t\t\t\t\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-sm\" href=\"https:\/\/fs-elliott.com\/id\/contact-us\/\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t<span class=\"elementor-button-icon\">\n\t\t\t\t<svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-arrow-right\" viewbox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M190.5 66.9l22.2-22.2c9.4-9.4 24.6-9.4 33.9 0L441 239c9.4 9.4 9.4 24.6 0 33.9L246.6 467.3c-9.4 9.4-24.6 9.4-33.9 0l-22.2-22.2c-9.5-9.5-9.3-25 .4-34.3L311.4 296H24c-13.3 0-24-10.7-24-24v-32c0-13.3 10.7-24 24-24h287.4L190.9 101.2c-9.8-9.3-10-24.8-.4-34.3z\"><\/path><\/svg>\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-text\">TALK TO AN EXPERT<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-6b082f0 e-flex e-con-boxed e-con e-parent\" data-id=\"6b082f0\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-309b44d elementor-widget elementor-widget-heading\" data-id=\"309b44d\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h5 class=\"elementor-heading-title elementor-size-default\">YOU MAY ALSO LIKE<\/h5>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-438c1be elementor-widget elementor-widget-heading\" data-id=\"438c1be\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Continue Reading<\/h2>\t\t\t\t<\/div>\n\t\t\t\t\t\n<hr class=\"e-9ec81d8-ecd5d68 e-divider-base\" data-interaction-id=\"9ec81d8\"  data-e-type=\"widget\" data-id=\"9ec81d8\" \/>\n\t\t\t\t<div class=\"elementor-element elementor-element-67aa0b9 custom-blog-cards elementor-grid-3 elementor-grid-tablet-2 elementor-grid-mobile-1 elementor-posts--thumbnail-top elementor-posts--show-avatar elementor-card-shadow-yes elementor-posts__hover-gradient elementor-widget elementor-widget-posts\" data-id=\"67aa0b9\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;cards_columns&quot;:&quot;3&quot;,&quot;cards_columns_tablet&quot;:&quot;2&quot;,&quot;cards_columns_mobile&quot;:&quot;1&quot;,&quot;cards_row_gap&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;size&quot;:35,&quot;sizes&quot;:[]},&quot;cards_row_gap_tablet&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;size&quot;:&quot;&quot;,&quot;sizes&quot;:[]},&quot;cards_row_gap_mobile&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;size&quot;:&quot;&quot;,&quot;sizes&quot;:[]}}\" data-widget_type=\"posts.cards\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-posts-container elementor-posts elementor-posts--skin-cards elementor-grid\" role=\"list\">\n\t\t\t\t<article class=\"elementor-post elementor-grid-item post-5260 post type-post status-publish format-standard has-post-thumbnail hentry category-podcasts\" role=\"listitem\">\n\t\t\t<div class=\"elementor-post__card\">\n\t\t\t\t<a class=\"elementor-post__thumbnail__link\" href=\"https:\/\/fs-elliott.com\/id\/podcasts\/how-compressed-air-impacts-product-quality-and-efficiency-in-automotive-manufacturing\/\" tabindex=\"-1\" ><div class=\"elementor-post__thumbnail\"><img decoding=\"async\" width=\"300\" height=\"125\" src=\"https:\/\/fs-elliott.com\/wp-content\/uploads\/2026\/10\/BeyondCompressionBlog960-Episode7-300x125.png\" class=\"attachment-medium size-medium wp-image-5262\" alt=\"Beyond Compression Blog Episode 7\" srcset=\"https:\/\/fs-elliott.com\/wp-content\/uploads\/2026\/10\/BeyondCompressionBlog960-Episode7-300x125.png 300w, https:\/\/fs-elliott.com\/wp-content\/uploads\/2026\/10\/BeyondCompressionBlog960-Episode7-768x320.png 768w, https:\/\/fs-elliott.com\/wp-content\/uploads\/2026\/10\/BeyondCompressionBlog960-Episode7-18x8.png 18w, https:\/\/fs-elliott.com\/wp-content\/uploads\/2026\/10\/BeyondCompressionBlog960-Episode7-24x10.png 24w, https:\/\/fs-elliott.com\/wp-content\/uploads\/2026\/10\/BeyondCompressionBlog960-Episode7-36x15.png 36w, https:\/\/fs-elliott.com\/wp-content\/uploads\/2026\/10\/BeyondCompressionBlog960-Episode7-48x20.png 48w, https:\/\/fs-elliott.com\/wp-content\/uploads\/2026\/10\/BeyondCompressionBlog960-Episode7.png 960w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/div><\/a>\n\t\t\t\t<div class=\"elementor-post__badge\">Beyond Compression Podcast<\/div>\n\t\t\t\t<div class=\"elementor-post__avatar\">\n\t\t\t<img alt='Barbara Myers' src='https:\/\/secure.gravatar.com\/avatar\/b3b3ff64776e17b82b04ab87e1167f7bb460968a51cdd1b921ba007a0160074c?s=128&#038;d=mm&#038;r=g' srcset='https:\/\/secure.gravatar.com\/avatar\/b3b3ff64776e17b82b04ab87e1167f7bb460968a51cdd1b921ba007a0160074c?s=256&#038;d=mm&#038;r=g 2x' class='avatar avatar-128 photo' height='128' width='128' \/>\t\t<\/div>\n\t\t\t\t<div class=\"elementor-post__text\">\n\t\t\t\t<h3 class=\"elementor-post__title\">\n\t\t\t<a href=\"https:\/\/fs-elliott.com\/id\/podcasts\/how-compressed-air-impacts-product-quality-and-efficiency-in-automotive-manufacturing\/\" >\n\t\t\t\tHow Compressed Air Impacts Product Quality and Efficiency in Automotive Manufacturing\t\t\t<\/a>\n\t\t<\/h3>\n\t\t\t\t<div class=\"elementor-post__excerpt\">\n\t\t\t<p>Automotive manufacturing relies on compressed air at virtually every stage of production. From robotic assembly and paint operations to material handling and battery manufacturing, compressed air powers critical processes that keep production moving.<\/p>\n\t\t<\/div>\n\t\t\n\t\t<a class=\"elementor-post__read-more\" href=\"https:\/\/fs-elliott.com\/id\/podcasts\/how-compressed-air-impacts-product-quality-and-efficiency-in-automotive-manufacturing\/\" aria-label=\"Read more about How Compressed Air Impacts Product Quality and Efficiency in Automotive Manufacturing\" tabindex=\"-1\" >\n\t\t\tRead More \u00bb\t\t<\/a>\n\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-post__meta-data\">\n\t\t\t\t\t<span class=\"elementor-post-date\">\n\t\t\tJuni 24, 2026\t\t<\/span>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/article>\n\t\t\t\t<article class=\"elementor-post elementor-grid-item post-15604 post type-post status-publish format-standard has-post-thumbnail hentry category-product-brochures tag-centrifugal-compressor tag-hoc tag-polaris\" role=\"listitem\">\n\t\t\t<div class=\"elementor-post__card\">\n\t\t\t\t<a class=\"elementor-post__thumbnail__link\" href=\"https:\/\/fs-elliott.com\/id\/product-brochures\/polaris-p650-df-brochure\/\" tabindex=\"-1\" ><div class=\"elementor-post__thumbnail\"><img loading=\"lazy\" decoding=\"async\" width=\"300\" height=\"200\" src=\"https:\/\/fs-elliott.com\/wp-content\/uploads\/2026\/10\/P650DFbrochure-FeaturedImage-300x200.png\" class=\"attachment-medium size-medium wp-image-15610\" alt=\"\" srcset=\"https:\/\/fs-elliott.com\/wp-content\/uploads\/2026\/10\/P650DFbrochure-FeaturedImage-300x200.png 300w, https:\/\/fs-elliott.com\/wp-content\/uploads\/2026\/10\/P650DFbrochure-FeaturedImage-1024x683.png 1024w, https:\/\/fs-elliott.com\/wp-content\/uploads\/2026\/10\/P650DFbrochure-FeaturedImage-768x512.png 768w, https:\/\/fs-elliott.com\/wp-content\/uploads\/2026\/10\/P650DFbrochure-FeaturedImage-18x12.png 18w, https:\/\/fs-elliott.com\/wp-content\/uploads\/2026\/10\/P650DFbrochure-FeaturedImage-24x16.png 24w, https:\/\/fs-elliott.com\/wp-content\/uploads\/2026\/10\/P650DFbrochure-FeaturedImage-36x24.png 36w, https:\/\/fs-elliott.com\/wp-content\/uploads\/2026\/10\/P650DFbrochure-FeaturedImage-48x32.png 48w, https:\/\/fs-elliott.com\/wp-content\/uploads\/2026\/10\/P650DFbrochure-FeaturedImage.png 1536w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/div><\/a>\n\t\t\t\t<div class=\"elementor-post__badge\">Product Brochures<\/div>\n\t\t\t\t<div class=\"elementor-post__avatar\">\n\t\t\t<img alt='Barbara Myers' src='https:\/\/secure.gravatar.com\/avatar\/b3b3ff64776e17b82b04ab87e1167f7bb460968a51cdd1b921ba007a0160074c?s=128&#038;d=mm&#038;r=g' srcset='https:\/\/secure.gravatar.com\/avatar\/b3b3ff64776e17b82b04ab87e1167f7bb460968a51cdd1b921ba007a0160074c?s=256&#038;d=mm&#038;r=g 2x' class='avatar avatar-128 photo' height='128' width='128' \/>\t\t<\/div>\n\t\t\t\t<div class=\"elementor-post__text\">\n\t\t\t\t<h3 class=\"elementor-post__title\">\n\t\t\t<a href=\"https:\/\/fs-elliott.com\/id\/product-brochures\/polaris-p650-df-brochure\/\" >\n\t\t\t\tPolaris P650 DF Brochure\t\t\t<\/a>\n\t\t<\/h3>\n\t\t\t\t<div class=\"elementor-post__excerpt\">\n\t\t\t<p>Maximize airflow and efficiency with FS-Elliott\u2019s Polaris P650 DF (Double-Flow) centrifugal air compressor, delivering 10,000 to 20,000 CFM of ISO 8573-1 Class 0 oil-free air. Our brochure highlights its innovative dual-inlet design, compact footprint, advanced technologies, and performance features designed to support reliable, energy-efficient operation.<\/p>\n\t\t<\/div>\n\t\t\n\t\t<a class=\"elementor-post__read-more\" href=\"https:\/\/fs-elliott.com\/id\/product-brochures\/polaris-p650-df-brochure\/\" aria-label=\"Read more about Polaris P650 DF Brochure\" tabindex=\"-1\" >\n\t\t\tRead More \u00bb\t\t<\/a>\n\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-post__meta-data\">\n\t\t\t\t\t<span class=\"elementor-post-date\">\n\t\t\tOktober 27, 2026\t\t<\/span>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/article>\n\t\t\t\t<article class=\"elementor-post elementor-grid-item post-15582 post type-post status-publish format-standard has-post-thumbnail hentry category-product-brochures tag-centrifugal-compressor tag-hoc tag-polaris\" role=\"listitem\">\n\t\t\t<div class=\"elementor-post__card\">\n\t\t\t\t<a class=\"elementor-post__thumbnail__link\" href=\"https:\/\/fs-elliott.com\/id\/product-brochures\/polaris-p750-brochure\/\" tabindex=\"-1\" ><div class=\"elementor-post__thumbnail\"><img loading=\"lazy\" decoding=\"async\" width=\"300\" height=\"200\" src=\"https:\/\/fs-elliott.com\/wp-content\/uploads\/2026\/10\/P750brochure-FeaturedImage-300x200.png\" class=\"attachment-medium size-medium wp-image-15591\" alt=\"Polaris P750 brochure featured image\" srcset=\"https:\/\/fs-elliott.com\/wp-content\/uploads\/2026\/10\/P750brochure-FeaturedImage-300x200.png 300w, https:\/\/fs-elliott.com\/wp-content\/uploads\/2026\/10\/P750brochure-FeaturedImage-1024x683.png 1024w, https:\/\/fs-elliott.com\/wp-content\/uploads\/2026\/10\/P750brochure-FeaturedImage-768x512.png 768w, https:\/\/fs-elliott.com\/wp-content\/uploads\/2026\/10\/P750brochure-FeaturedImage-18x12.png 18w, https:\/\/fs-elliott.com\/wp-content\/uploads\/2026\/10\/P750brochure-FeaturedImage-24x16.png 24w, https:\/\/fs-elliott.com\/wp-content\/uploads\/2026\/10\/P750brochure-FeaturedImage-36x24.png 36w, https:\/\/fs-elliott.com\/wp-content\/uploads\/2026\/10\/P750brochure-FeaturedImage-48x32.png 48w, https:\/\/fs-elliott.com\/wp-content\/uploads\/2026\/10\/P750brochure-FeaturedImage.png 1536w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/div><\/a>\n\t\t\t\t<div class=\"elementor-post__badge\">Product Brochures<\/div>\n\t\t\t\t<div class=\"elementor-post__avatar\">\n\t\t\t<img alt='Barbara Myers' src='https:\/\/secure.gravatar.com\/avatar\/b3b3ff64776e17b82b04ab87e1167f7bb460968a51cdd1b921ba007a0160074c?s=128&#038;d=mm&#038;r=g' srcset='https:\/\/secure.gravatar.com\/avatar\/b3b3ff64776e17b82b04ab87e1167f7bb460968a51cdd1b921ba007a0160074c?s=256&#038;d=mm&#038;r=g 2x' class='avatar avatar-128 photo' height='128' width='128' \/>\t\t<\/div>\n\t\t\t\t<div class=\"elementor-post__text\">\n\t\t\t\t<h3 class=\"elementor-post__title\">\n\t\t\t<a href=\"https:\/\/fs-elliott.com\/id\/product-brochures\/polaris-p750-brochure\/\" >\n\t\t\t\tPolaris P750 Brochure\t\t\t<\/a>\n\t\t<\/h3>\n\t\t\t\t<div class=\"elementor-post__excerpt\">\n\t\t\t<p>Experience high-capacity, energy-efficient performance with FS-Elliott\u2019s Polaris P750 centrifugal air compressor, delivering up to 22,100 CFM of ISO 8573-1 Class 0 oil-free air. Our brochure highlights its compact design, advanced technologies, performance capabilities, and innovative features designed to support reliable operation and reduced lifecycle costs.<\/p>\n\t\t<\/div>\n\t\t\n\t\t<a class=\"elementor-post__read-more\" href=\"https:\/\/fs-elliott.com\/id\/product-brochures\/polaris-p750-brochure\/\" aria-label=\"Read more about Polaris P750 Brochure\" tabindex=\"-1\" >\n\t\t\tRead More \u00bb\t\t<\/a>\n\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-post__meta-data\">\n\t\t\t\t\t<span class=\"elementor-post-date\">\n\t\t\tOktober 27, 2026\t\t<\/span>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/article>\n\t\t\t\t<article class=\"elementor-post elementor-grid-item post-15571 post type-post status-publish format-standard has-post-thumbnail hentry category-product-brochures tag-compressor-control tag-energy-efficiency tag-regulus tag-remote-monitoring\" role=\"listitem\">\n\t\t\t<div class=\"elementor-post__card\">\n\t\t\t\t<a class=\"elementor-post__thumbnail__link\" href=\"https:\/\/fs-elliott.com\/id\/product-brochures\/fs-connect-brochure\/\" tabindex=\"-1\" ><div class=\"elementor-post__thumbnail\"><img loading=\"lazy\" decoding=\"async\" width=\"300\" height=\"200\" src=\"https:\/\/fs-elliott.com\/wp-content\/uploads\/2026\/10\/FS-Connectbrochure-FeaturedImage-300x200.png\" class=\"attachment-medium size-medium wp-image-15578\" alt=\"FS-Connect brochure featured image\" srcset=\"https:\/\/fs-elliott.com\/wp-content\/uploads\/2026\/10\/FS-Connectbrochure-FeaturedImage-300x200.png 300w, https:\/\/fs-elliott.com\/wp-content\/uploads\/2026\/10\/FS-Connectbrochure-FeaturedImage-1024x683.png 1024w, https:\/\/fs-elliott.com\/wp-content\/uploads\/2026\/10\/FS-Connectbrochure-FeaturedImage-768x512.png 768w, https:\/\/fs-elliott.com\/wp-content\/uploads\/2026\/10\/FS-Connectbrochure-FeaturedImage-18x12.png 18w, https:\/\/fs-elliott.com\/wp-content\/uploads\/2026\/10\/FS-Connectbrochure-FeaturedImage-24x16.png 24w, https:\/\/fs-elliott.com\/wp-content\/uploads\/2026\/10\/FS-Connectbrochure-FeaturedImage-36x24.png 36w, https:\/\/fs-elliott.com\/wp-content\/uploads\/2026\/10\/FS-Connectbrochure-FeaturedImage-48x32.png 48w, https:\/\/fs-elliott.com\/wp-content\/uploads\/2026\/10\/FS-Connectbrochure-FeaturedImage.png 1536w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/div><\/a>\n\t\t\t\t<div class=\"elementor-post__badge\">Product Brochures<\/div>\n\t\t\t\t<div class=\"elementor-post__avatar\">\n\t\t\t<img alt='Barbara Myers' src='https:\/\/secure.gravatar.com\/avatar\/b3b3ff64776e17b82b04ab87e1167f7bb460968a51cdd1b921ba007a0160074c?s=128&#038;d=mm&#038;r=g' srcset='https:\/\/secure.gravatar.com\/avatar\/b3b3ff64776e17b82b04ab87e1167f7bb460968a51cdd1b921ba007a0160074c?s=256&#038;d=mm&#038;r=g 2x' class='avatar avatar-128 photo' height='128' width='128' \/>\t\t<\/div>\n\t\t\t\t<div class=\"elementor-post__text\">\n\t\t\t\t<h3 class=\"elementor-post__title\">\n\t\t\t<a href=\"https:\/\/fs-elliott.com\/id\/product-brochures\/fs-connect-brochure\/\" >\n\t\t\t\tFS-Connect Brochure\t\t\t<\/a>\n\t\t<\/h3>\n\t\t\t\t<div class=\"elementor-post__excerpt\">\n\t\t\t<p>Stay connected to your centrifugal compressors with FS-Elliott\u2019s FS-Connect remote monitoring solution. Our data sheet highlights real-time monitoring, performance trending, notifications, and available subscription options designed to improve equipment visibility, support proactive maintenance, and minimize unplanned downtime.<\/p>\n\t\t<\/div>\n\t\t\n\t\t<a class=\"elementor-post__read-more\" href=\"https:\/\/fs-elliott.com\/id\/product-brochures\/fs-connect-brochure\/\" aria-label=\"Read more about FS-Connect Brochure\" tabindex=\"-1\" >\n\t\t\tRead More \u00bb\t\t<\/a>\n\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-post__meta-data\">\n\t\t\t\t\t<span class=\"elementor-post-date\">\n\t\t\tOktober 27, 2026\t\t<\/span>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/article>\n\t\t\t\t<\/div>\n\t\t\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>","protected":false},"excerpt":{"rendered":"<p>When evaluating the performance of a centrifugal compressor, few components have as much influence over energy efficiency and airflow control as the inlet control mechanism. Two common technologies, Inlet Guide Vanes (IGVs) and Inlet Butterfly Valves (IBVs), offer different approaches to managing inlet pressure and flow, each with its own impact on performance, energy use, and long-term operating costs.<\/p>","protected":false},"author":5,"featured_media":6326,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[18],"tags":[32,45],"class_list":["post-6324","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog","tag-educational-resources","tag-operating-centrifugal-compressors"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.8 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>What&#039;s the Difference Between Inlet Guide Vanes vs. Inlet Butterfly Valves? | FS-Elliott<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/fs-elliott.com\/id\/blog\/whats-the-difference-between-inlet-guide-vanes-vs-inlet-butterfly-valves\/\" \/>\n<meta property=\"og:locale\" content=\"id_ID\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"What&#039;s the Difference Between Inlet Guide Vanes vs. Inlet Butterfly Valves? | FS-Elliott\" \/>\n<meta property=\"og:description\" content=\"When evaluating the performance of a centrifugal compressor, few components have as much influence over energy efficiency and airflow control as the inlet control mechanism. Two common technologies, Inlet Guide Vanes (IGVs) and Inlet Butterfly Valves (IBVs), offer different approaches to managing inlet pressure and flow, each with its own impact on performance, energy use, and long-term operating costs.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/fs-elliott.com\/id\/blog\/whats-the-difference-between-inlet-guide-vanes-vs-inlet-butterfly-valves\/\" \/>\n<meta property=\"og:site_name\" content=\"FS-Elliott\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/fselliottcompany\" \/>\n<meta property=\"article:published_time\" content=\"2025-07-08T00:40:58+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2026-10-28T22:48:58+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/fs-elliott.com\/wp-content\/uploads\/2026\/10\/IGV.png\" \/>\n\t<meta property=\"og:image:width\" content=\"400\" \/>\n\t<meta property=\"og:image:height\" content=\"400\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/png\" \/>\n<meta name=\"author\" content=\"Barbara Myers\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:creator\" content=\"@FSElliott\" \/>\n<meta name=\"twitter:site\" content=\"@FSElliott\" \/>\n<meta name=\"twitter:label1\" content=\"Ditulis oleh\" \/>\n\t<meta name=\"twitter:data1\" content=\"Barbara Myers\" \/>\n\t<meta name=\"twitter:label2\" content=\"Estimasi waktu membaca\" \/>\n\t<meta name=\"twitter:data2\" content=\"6 menit\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/fs-elliott.com\\\/blog\\\/whats-the-difference-between-inlet-guide-vanes-vs-inlet-butterfly-valves\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/fs-elliott.com\\\/blog\\\/whats-the-difference-between-inlet-guide-vanes-vs-inlet-butterfly-valves\\\/\"},\"author\":{\"name\":\"Barbara Myers\",\"@id\":\"https:\\\/\\\/fs-elliott.com\\\/#\\\/schema\\\/person\\\/4da13f9e0b05991d19fd0bc9d22d7441\"},\"headline\":\"What&#8217;s the Difference Between Inlet Guide Vanes vs. Inlet Butterfly Valves?\",\"datePublished\":\"2025-07-08T00:40:58+00:00\",\"dateModified\":\"2026-10-28T22:48:58+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/fs-elliott.com\\\/blog\\\/whats-the-difference-between-inlet-guide-vanes-vs-inlet-butterfly-valves\\\/\"},\"wordCount\":719,\"publisher\":{\"@id\":\"https:\\\/\\\/fs-elliott.com\\\/#organization\"},\"image\":{\"@id\":\"https:\\\/\\\/fs-elliott.com\\\/blog\\\/whats-the-difference-between-inlet-guide-vanes-vs-inlet-butterfly-valves\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/fs-elliott.com\\\/wp-content\\\/uploads\\\/2026\\\/10\\\/IGV.png\",\"keywords\":[\"Educational Resources\",\"Operating Centrifugal Compressors\"],\"articleSection\":[\"AIRAdvisor Blog\"],\"inLanguage\":\"id\"},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/fs-elliott.com\\\/blog\\\/whats-the-difference-between-inlet-guide-vanes-vs-inlet-butterfly-valves\\\/\",\"url\":\"https:\\\/\\\/fs-elliott.com\\\/blog\\\/whats-the-difference-between-inlet-guide-vanes-vs-inlet-butterfly-valves\\\/\",\"name\":\"What's the Difference Between Inlet Guide Vanes vs. Inlet Butterfly Valves? 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