{"id":7932,"date":"2020-09-15T16:04:00","date_gmt":"2020-09-15T14:04:00","guid":{"rendered":"https:\/\/www.idro-elettrica.it\/esperto-risponde\/pump-set-4-key-components-of-the-pumping-unit\/"},"modified":"2026-07-01T09:46:30","modified_gmt":"2026-07-01T07:46:30","slug":"pump-set-4-key-components-of-the-pumping-unit","status":"publish","type":"esperto-risponde","link":"https:\/\/www.idro-elettrica.it\/en\/esperto-risponde\/pump-set-4-key-components-of-the-pumping-unit\/","title":{"rendered":"Pump Set: 4 Key Components of the Pumping Unit"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\"><em>&#8220;Pump set&#8221;<\/em> is a term that has been popping up more and more often in recent months: let&#8217;s see what it means and, above all, what it includes and what is not part of the pump unit.<\/p>\n\n<div class=\"wp-block-rank-math-toc-block\" id=\"rank-math-toc\"><h2>Table of Contents<\/h2><nav><ul><li class=\"\"><a href=\"#cose-il-pump-set-e-perche-se-ne-parla\">What Is a Pump Set and Why Is It Being Discussed?<\/a><\/li><li class=\"\"><a href=\"#pump-set-e-uni-11292-dove-nasce-il-termine\">Pump sets and UNI 11292: Where the term comes from<\/a><\/li><li class=\"\"><a href=\"#cosa-comprende-un-pump-set-componenti\">What&#8217;s included in a pump set (components)<\/a><\/li><li class=\"\"><a href=\"#cosa-non-e-pump-set-la-distinzione-con-limpianto\">What a Pump-Set IS NOT: The Difference from a Pumping System<\/a><\/li><li class=\"\"><a href=\"#collegamento-con-uni-12845-2020-parte-reti\">Link to UNI 12845:2020 (the \u201cnetworks\u201d section)<\/a><\/li><li class=\"\"><a href=\"#nota-sul-tema-dei-giunti-elastici-rimando-interno\">Note on the topic of flexible joints (internal reference)<\/a><\/li><li class=\"\"><a href=\"#pompa-pilota-cosa-non-e-ammesso-nel-pump-set\">Jockey pump: What is not allowed in the pump set<\/a><\/li><li class=\"\"><a href=\"#conclusione-operativa\">Operational Conclusion<\/a><\/li><\/ul><\/nav><\/div>\n\n<h2 id=\"cose-il-pump-set-e-perche-se-ne-parla\" class=\"wp-block-heading\">What Is a Pump Set and Why Is It Being Discussed?<\/h2>\n\n<p class=\"wp-block-paragraph\">The term <strong>\u201cpump set\u201d<\/strong> is used to refer <strong>to<\/strong> a <strong>pumping unit<\/strong>. The typical question is: \u201cWhat exactly is it?\u201d The answer is not just a definition, but also a practical distinction between what is part of <em>the pump set<\/em> and what, on the other hand, is considered part of the \u201csystem.\u201d  <\/p>\n\n<p class=\"wp-block-paragraph\">This distinction is useful because it helps ensure that we refer to the supply (unit) in a consistent manner relative to all other related components (system).<\/p>\n\n<h2 id=\"pump-set-e-uni-11292-dove-nasce-il-termine\" class=\"wp-block-heading\">Pump sets and UNI 11292: Where the term comes from<\/h2>\n\n<p class=\"wp-block-paragraph\">The <strong>new edition of UNI 11292<\/strong> took effect on <strong>February 14, 2020<\/strong>. In this edition, the term <strong>\u201cPUMP-SET\u201d<\/strong> is used for the first time in Italy. <\/p>\n\n<p class=\"wp-block-paragraph\">Specifically, <strong>section 3.15<\/strong> provides the definition of <strong>PUMPING UNIT = \u201cPUMP SET.\u201d<\/strong> This passage is important because it \u201cestablishes\u201d the scope of what is meant when the term <em>\u201cpump set\u201d<\/em> is used in technical documents and conversations. <\/p>\n\n<h2 id=\"cosa-comprende-un-pump-set-componenti\" class=\"wp-block-heading\">What&#8217;s included in a pump set (components)<\/h2>\n\n<p class=\"wp-block-paragraph\">As noted, the <strong>pump set<\/strong> consists of the following components:<\/p>\n\n<ul class=\"wp-block-list\">\n<li><strong>pump<\/strong><\/li>\n\n\n\n<li><strong>engine<\/strong><\/li>\n\n\n\n<li><strong>coupling system (coupling)<\/strong><\/li>\n\n\n\n<li><strong>command and control center<\/strong><\/li>\n<\/ul>\n\n<p class=\"wp-block-paragraph\">Therefore, when we talk about <em>a pump set<\/em>, we are referring to this functional \u201cunit\u201d: the hydraulic component (pump), the drive component (motor), the connection between the two (coupling), and the control system (control panel).<\/p>\n\n<h2 id=\"cosa-non-e-pump-set-la-distinzione-con-limpianto\" class=\"wp-block-heading\">What a Pump-Set Is NOT: Distinguishing It from a System<\/h2>\n\n<p class=\"wp-block-paragraph\">A key point is that <strong>all hydraulic and electrical components other<\/strong> than those listed in the definition of <em>a pump set<\/em> <strong>are part of the system<\/strong>.<\/p>\n\n<p class=\"wp-block-paragraph\">In other words:<\/p>\n\n<ul class=\"wp-block-list\">\n<li>If a component is <strong>not<\/strong> explicitly classified as <em>a pump, motor, coupling, or control panel<\/em>,<\/li>\n\n\n\n<li>In that case, it is considered <strong>part of the system<\/strong> (not part of the pump set).<\/li>\n<\/ul>\n\n<p class=\"wp-block-paragraph\">This distinction serves to avoid ambiguity: not everything that \u201csurrounds\u201d or \u201cconnects to\u201d the unit can be called a pump set. The <em>pump set<\/em> is the unit; the rest is the system. <\/p>\n\n<h2 id=\"collegamento-con-uni-12845-2020-parte-reti\" class=\"wp-block-heading\">Link to UNI 12845:2020 (the \u201cnetworks\u201d section)<\/h2>\n\n<p class=\"wp-block-paragraph\">Precisely because many components remain part of the system, they <strong>must comply with the requirements set forth in<\/strong> the section <strong>of UNI 12845:2020<\/strong> that <strong>deals with networks<\/strong>.<\/p>\n\n<p class=\"wp-block-paragraph\">The key takeaway is: correctly defining the scope of <em>the pump set<\/em> also helps clarify <strong>which requirements<\/strong> apply to components outside the unit (i.e., the piping systems), since they are <strong>not<\/strong> included in the definition of <em>the pump set<\/em>.<\/p>\n\n<h2 id=\"nota-sul-tema-dei-giunti-elastici-rimando-interno\" class=\"wp-block-heading\">Note on the topic of flexible joints (internal reference)<\/h2>\n\n<p class=\"wp-block-paragraph\">As an example related to plant components, the topic of <strong>flexible joints<\/strong> is mentioned; this was already discussed in a previous article in the \u201cEngineering Insights\u201d column (No. 8).<\/p>\n\n<p class=\"wp-block-paragraph\">The key point to keep in mind here is not \u201chow\u201d flexible joints are constructed (a topic that warrants a separate article), but <strong>where to place them conceptually<\/strong>: in the proposed classification, they fall under the elements that should be treated as <strong>part of the system<\/strong>, if not included in the definition of the pump set.<\/p>\n\n<h2 id=\"pompa-pilota-cosa-non-e-ammesso-nel-pump-set\" class=\"wp-block-heading\">Jockey pump: What is not allowed in the pump set<\/h2>\n\n<p class=\"wp-block-paragraph\">There is a clear instruction: <strong>the Jockey Pump cannot be mounted on the pump set\u2019s base<\/strong>. Furthermore, <strong>it cannot be attached to it as an extension either<\/strong> (as shown in the figure referenced in the original text). <\/p>\n\n<p class=\"wp-block-paragraph\">This point is useful for avoiding \u201chybrid\u201d configurations that risk blurring the lines between units and systems: the <em>pump set<\/em> remains as defined (pump, motor, coupling, control panel), and the Jockey Pump must not be integrated into the pump set\u2019s base or as an extension of it.<\/p>\n\n<h2 id=\"conclusione-operativa\" class=\"wp-block-heading\">Operational Conclusion<\/h2>\n\n<p class=\"wp-block-paragraph\">In summary: the <strong>pump set<\/strong> is<strong>the pumping unit<\/strong> defined in UNI 11292 (edition effective as of February 14, 2020) and includes <strong>the pump, motor, coupling, and control panel<\/strong>. Any components other than these fall under <strong>the scope of the system<\/strong> and, with regard to networks, must comply with the provisions of <strong>UNI 12845:2020<\/strong>. <\/p>\n","protected":false},"excerpt":{"rendered":"<p>&#8220;Pump-set&#8221; is the term introduced in Italy with the new edition of UNI 11292 (effective February 14, 2020) to refer to the pumping unit. In this article, I explain what a pump-set actually includes and which components, on the other hand, remain part of the system. <\/p>\n","protected":false},"featured_media":7933,"parent":0,"template":"","meta":{"_acf_changed":false,"_angie_page":false,"footnotes":"","_members_access_role":[],"_members_access_error":""},"tags":[666,551,667,582,664,583,581,665],"class_list":["post-7932","esperto-risponde","type-esperto-risponde","status-publish","has-post-thumbnail","hentry","tag-command-and-control-center","tag-engineering-insights","tag-joint-coupling","tag-pump-set","tag-pump-set-system","tag-pumping-unit","tag-uni-11292","tag-uni-128452020"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.idro-elettrica.it\/en\/wp-json\/wp\/v2\/esperto-risponde\/7932","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.idro-elettrica.it\/en\/wp-json\/wp\/v2\/esperto-risponde"}],"about":[{"href":"https:\/\/www.idro-elettrica.it\/en\/wp-json\/wp\/v2\/types\/esperto-risponde"}],"version-history":[{"count":0,"href":"https:\/\/www.idro-elettrica.it\/en\/wp-json\/wp\/v2\/esperto-risponde\/7932\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.idro-elettrica.it\/en\/wp-json\/wp\/v2\/media\/7933"}],"wp:attachment":[{"href":"https:\/\/www.idro-elettrica.it\/en\/wp-json\/wp\/v2\/media?parent=7932"}],"wp:term":[{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.idro-elettrica.it\/en\/wp-json\/wp\/v2\/tags?post=7932"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}