{"id":55075,"date":"2022-09-28T13:55:16","date_gmt":"2022-09-28T12:55:16","guid":{"rendered":"https:\/\/beteccontrols.nl\/producten\/h520b\/"},"modified":"2026-09-14T10:46:24","modified_gmt":"2026-09-14T08:46:24","slug":"h520b","status":"publish","type":"product","link":"https:\/\/beteccontrols.nl\/en\/products\/h520b\/","title":{"rendered":"Belimo H520B Control Valve | 3-way, DN20, External thread, G 1 1\/4&#8243;, PN16, ps 1600 kPa, kvs 6.3 m\u00b3\/h, Medium temperature -10&#8230;120\u00b0C"},"content":{"rendered":"<div class=\"product\"><div class=\"product\"><h2>Precise control of heating and cooling water<\/h2>\n<p>The <b>Belimo H520B control valve<\/b> is specially designed for controlling, mixing or shutting off water flows in professional HVAC installations. The valve design supports a controlled volumetric flow and, together with a suitable actuator, forms a complete control solution. The DN20 sizing makes clear for which pipe diameter this execution is intended.<\/p>\n<p>The 3-way execution distributes or mixes water flows within the hydraulic circuit. This allows the energy flow to a heat exchanger or terminal unit group to be controlled in a targeted way without losing sight of the structure of the main network.<\/p>\n<h2>Key features &amp; benefits<\/h2>\n<ul>\n<li><b>3-way execution<\/b> \u2013 Suitable for mixing or changeover applications<\/li>\n<li><b>DN20<\/b> \u2013 Clear sizing for connection to the relevant pipe diameter<\/li>\n<li><b>External thread<\/b> \u2013 Practical integration into the suitable piping or mounting concept<\/li>\n<li><b>G 1 1\/4&quot;<\/b> \u2013 Practical integration into the suitable piping or mounting concept<\/li>\n<li><b>PN16<\/b> \u2013 Designed for reliable operation within the specified system pressure<\/li>\n<li><b>ps 1600 kPa<\/b> \u2013 Designed for reliable operation within the specified system pressure<\/li>\n<\/ul>\n<h2>Technical specifications H520B<\/h2>\n<table border=\"1\" cellspacing=\"0\" cellpadding=\"5\">\n<tbody>\n<tr>\n<th>Property<\/th>\n<th>Specification<\/th>\n<\/tr>\n<tr>\n<td>Type<\/td>\n<td>control valve<\/td>\n<\/tr>\n<tr>\n<td>Feature<\/td>\n<td>3-way<\/td>\n<\/tr>\n<tr>\n<td>Nominal diameter<\/td>\n<td>DN20<\/td>\n<\/tr>\n<tr>\n<td>Connection<\/td>\n<td>External thread<\/td>\n<\/tr>\n<tr>\n<td>Thread<\/td>\n<td>G 1 1\/4&quot;<\/td>\n<\/tr>\n<tr>\n<td>Pressure class<\/td>\n<td>PN16<\/td>\n<\/tr>\n<tr>\n<td>Permissible pressure<\/td>\n<td>ps 1600 kPa<\/td>\n<\/tr>\n<tr>\n<td>Flow rate<\/td>\n<td>kvs 6.3 m\u00b3\/h<\/td>\n<\/tr>\n<tr>\n<td>Temperature range<\/td>\n<td>Medium temperature -10&#8230;120\u00b0C<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>Easy integration into the system<\/h2>\n<ul>\n<li><b>Installation:<\/b> The DN20 execution with External thread can be integrated into a suitable hydronic piping system and combined with the designated Belimo actuator.<\/li>\n<li><b>Application:<\/b> This control valve is used in air handling units, heat exchangers, heating circuits and cooling circuits. The nominal diameter, Kvs value, pressure class and medium temperature are matched to the hydraulic design data.<\/li>\n<\/ul>\n<h2>Frequently asked questions (FAQ)<\/h2>\n<ul>\n<li><b>What is the H520B used for?<\/b><\/li>\n<\/ul>\n<p><em>The valve Controls, mixes or shuts off heating or cooling water in a hydronic HVAC circuit.<\/em><\/p>\n<ul>\n<li><b>What is the main advantage of this execution?<\/b><\/li>\n<\/ul>\n<p><em>Together with a suitable actuator, the execution forms a complete and precisely controllable valve combination.<\/em><\/p>\n<ul>\n<li><b>Which execution is suitable for my installation?<\/b><\/li>\n<\/ul>\n<p><em>Betec Controls is happy to help compare the sizing, connection, management and other product specifications.<\/em><\/p>\n<p>Do you have any questions or would you like more information? Please <a href=\"https:\/\/beteccontrols.nl\/en\/contact\/\">contact<\/a> us. You can do so by telephone, email or via the chat function.<\/p>\n<\/div><\/div>","protected":false},"excerpt":{"rendered":"<p>The <b>Belimo H520B control valve<\/b> is specially designed for controlling, mixing or shutting off water flows in professional HVAC installations. The valve design supports a controlled volumetric flow and, together with a suitable actuator, forms a complete control solution. The DN20 sizing makes clear for which pipe diameter this execution is intended.<\/p>\n","protected":false},"featured_media":41598,"template":"","meta":[],"pwb-brand":[7290],"product_brand":[],"product_cat":[5126,6408,6584],"product_tag":[10295,8705,26665,26599,26619,5392,26587],"class_list":["post-55075","product","type-product","status-publish","has-post-thumbnail","pwb-brand-belimo","product_cat-actuators-control-valves","product_cat-control-valves","product_tag-3-weg","product_tag-belimo","product_tag-control-valves","product_tag-dn20","product_tag-external-thread","product_tag-hvac","product_tag-hydronic-hvac","first","instock","product-type-simple"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v28.5 (Yoast SEO v28.5) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Belimo H520B: Control valve for HVAC<\/title>\n<meta name=\"description\" content=\"View the Belimo H520B: a control valve for hydronic control in heating and cooling systems. 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