{"id":25864,"date":"2026-05-19T07:58:40","date_gmt":"2026-05-19T04:58:40","guid":{"rendered":"https:\/\/kolmeks.com\/spiroexpand-emck\/"},"modified":"2026-06-12T08:36:03","modified_gmt":"2026-06-12T05:36:03","slug":"spiroexpand-emck","status":"publish","type":"product","link":"https:\/\/kolmeks.com\/en\/hvac\/pressurisation-units\/spiroexpand-emck\/","title":{"rendered":"SpiroExpand MultiControl Kompakt (EMCK)"},"content":{"rendered":"<h2>SpiroExpand MultiControl Kompakt (EMCK) \u2013 Compact Pressurisation Systems<\/h2>\n<p>SpiroExpand MultiControl Kompakt (EMCK) is a compact expansion and pressurisation system designed for closed heating, cooling, and air conditioning systems. It integrates a non-pressurised expansion vessel directly with the control unit, enabling full utilisation of the vessel volume and precise pressure management.<\/p>\n<p>Unlike traditional diaphragm expansion vessels, the system uses a high-quality, replaceable membrane that separates system water from the atmosphere, ensuring reliable and long-term operation.<\/p>\n<h2>System Concept and Capacity<\/h2>\n<p>The integrated expansion vessel operates with a safety valve of 0.5 bar and allows 100% utilisation of its volume. The system can be expanded with up to two additional vessels, reaching a maximum expansion volume of 1500 litres.<\/p>\n<h2>Available Configurations<\/h2>\n<ul>\n<li>Solo: Single pump system designed for 100% of expansion flow.<\/li>\n<li>Duo: Dual pump system operating in parallel for increased flow capacity.<\/li>\n<li>Maxi: Dual pump system with full redundancy; one pump operates while the other acts as 100% backup.<\/li>\n<li>Twin option: Available for Duo and Maxi systems with dual overflow valves designed for 100% capacity.<\/li>\n<\/ul>\n<h2>Model Range<\/h2>\n<p>Available nominal capacities: 45, 75, 125, 200, 300, and 500 litres.<\/p>\n<ul>\n<li>EMCK-S (Solo)<\/li>\n<li>EMCK-D (Duo)<\/li>\n<li>EMCK-D Twin<\/li>\n<li>EMCK-M (Maxi)<\/li>\n<li>EMCK-M Twin<\/li>\n<\/ul>\n<h2>Operating Pressure<\/h2>\n<p>All EMCK systems are available with maximum operating pressures of 4.0, 5.6, 6.6, or 8.1 bar.<\/p>\n<p>Example: EMCK-D125-6.6 Twin refers to a DUO system with a 125 litre capacity, 6.6 bar operating pressure, and twin valve configuration.<\/p>\n<h2>Key Advantages<\/h2>\n<ul>\n<li>Four potential-free signal contacts as standard (fault, warning, refill active, system operation active)<\/li>\n<li>Low-noise operation due to self-supporting and sound-insulated design<\/li>\n<li>Flexible installation with connections on both sides of the unit<\/li>\n<li>Suitable for systems up to 110\u00b0C<\/li>\n<li>Integrated automatic degassing based on low-pressure degassing (Henry\u2019s law)<\/li>\n<\/ul>\n<h2>EMCK Features<\/h2>\n<ul>\n<li>Flexible pressurisation system for medium-sized installations<\/li>\n<li>Self-contained and sound-insulated construction<\/li>\n<li>Easy installation: position, connect, and start<\/li>\n<li>Connection for make-up module<\/li>\n<li>Integrated non-pressurised expansion vessel<\/li>\n<li>Expandable system with additional vessels<\/li>\n<li>Accurate pressure, level, and temperature monitoring<\/li>\n<li>Bus communication options: Modbus RTU, Profibus, BACnet<\/li>\n<\/ul>\n<p>SpiroExpand MultiControl Kompakt systems comply with DIN EN 12828 and are designed for reliable operation and long-term system stability.<\/p>\n<p>For assistance in selecting the correct EMCK system, please contact our experts.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>SpiroExpand MultiControl Kompakt (EMCK) \u2013 Compact Pressurisation Systems SpiroExpand MultiControl Kompakt (EMCK) is a compact expansion and pressurisation system designed for closed heating, cooling, and air conditioning systems. It integrates a non-pressurised expansion vessel directly with the control unit, enabling full utilisation of the vessel volume and precise pressure management. Unlike traditional diaphragm expansion vessels, [&hellip;]<\/p>\n","protected":false},"featured_media":25865,"comment_status":"open","ping_status":"closed","template":"","meta":{"_acf_changed":false,"wds_primary_product_brand":0,"wds_primary_product_cat":0,"wds_primary_application":0},"product_brand":[],"product_cat":[294,680],"product_tag":[],"class_list":["post-25864","product","type-product","status-publish","has-post-thumbnail","product_cat-hvac","product_cat-pressurisation-units","first","instock","shipping-taxable","product-type-simple"],"acf":[],"_links":{"self":[{"href":"https:\/\/kolmeks.com\/en\/wp-json\/wp\/v2\/product\/25864","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/kolmeks.com\/en\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/kolmeks.com\/en\/wp-json\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/kolmeks.com\/en\/wp-json\/wp\/v2\/comments?post=25864"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/kolmeks.com\/en\/wp-json\/wp\/v2\/media\/25865"}],"wp:attachment":[{"href":"https:\/\/kolmeks.com\/en\/wp-json\/wp\/v2\/media?parent=25864"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/kolmeks.com\/en\/wp-json\/wp\/v2\/product_brand?post=25864"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/kolmeks.com\/en\/wp-json\/wp\/v2\/product_cat?post=25864"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/kolmeks.com\/en\/wp-json\/wp\/v2\/product_tag?post=25864"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}