{"id":4402,"date":"2026-03-18T06:55:20","date_gmt":"2026-03-18T06:55:20","guid":{"rendered":"https:\/\/hydrathpower.com\/?p=4402"},"modified":"2026-03-24T07:41:47","modified_gmt":"2026-03-24T07:41:47","slug":"hpu-auswahlhilfe","status":"publish","type":"post","link":"https:\/\/hydrathpower.com\/de\/hpu-selection-guide\/","title":{"rendered":"Wie man ein Hydraulikaggregat ausw\u00e4hlt: Vollst\u00e4ndiger Beschaffungsleitfaden"},"content":{"rendered":"<h2>Was ist ein hydraulisches Aggregat?<\/h2>\n<p>A <a href=\"\/hydraulic-power-unit\/\">Hydraulikaggregat<\/a> (HPU) wandelt elektrische oder Motorkraft in hydraulische Energie um und steuert Druck, Durchfluss und Richtung f\u00fcr den Antrieb <a href=\"\/hydraulic-cylinders\/\">Zylinder<\/a> oder Motoren.<br \/>\nTypische Bestandteile sind eine Pumpe, ein Motor und ein Reservoir, <a href=\"\/hydraulic-manifold\/\">Verteiler<\/a>\/<a href=\"\/hydraulic-cartridge-valves\/\">Ventile<\/a>, Filterung und Sensoren.<\/p>\n<figure id=\"attachment_4404\" aria-describedby=\"caption-attachment-4404\" style=\"width: 300px\" class=\"wp-caption alignnone\"><img fetchpriority=\"high\" decoding=\"async\" src=\"data:image\/gif;base64,R0lGODlhAQABAIAAAAAAAP\/\/\/yH5BAEAAAAALAAAAAABAAEAAAIBRAA7\" data-src=\"https:\/\/hydrathpower.com\/wp-content\/uploads\/2026\/03\/How-to-Choose-a-Hydraulic-Power-Unit_-Complete-Procurement-Guide-300x200.jpg\" class=\"size-medium wp-image-4404 lazyload\" alt=\"Wie man ein Hydraulikaggregat ausw\u00e4hlt_ Vollst\u00e4ndiger Beschaffungsleitfaden\" width=\"300\" height=\"200\"><figcaption id=\"caption-attachment-4404\" class=\"wp-caption-text\"><noscript><img decoding=\"async\" class=\"size-medium wp-image-4404\" src=\"https:\/\/hydrathpower.com\/wp-content\/uploads\/2026\/03\/How-to-Choose-a-Hydraulic-Power-Unit_-Complete-Procurement-Guide-300x200.jpg\" alt=\"Wie man ein Hydraulikaggregat ausw\u00e4hlt_ Vollst\u00e4ndiger Beschaffungsleitfaden\" width=\"300\" height=\"200\" srcset=\"https:\/\/hydrathpower.com\/wp-content\/uploads\/2026\/03\/How-to-Choose-a-Hydraulic-Power-Unit_-Complete-Procurement-Guide-300x200.jpg 300w, https:\/\/hydrathpower.com\/wp-content\/uploads\/2026\/03\/How-to-Choose-a-Hydraulic-Power-Unit_-Complete-Procurement-Guide-1024x683.jpg 1024w, https:\/\/hydrathpower.com\/wp-content\/uploads\/2026\/03\/How-to-Choose-a-Hydraulic-Power-Unit_-Complete-Procurement-Guide-768x512.jpg 768w, https:\/\/hydrathpower.com\/wp-content\/uploads\/2026\/03\/How-to-Choose-a-Hydraulic-Power-Unit_-Complete-Procurement-Guide-18x12.jpg 18w, https:\/\/hydrathpower.com\/wp-content\/uploads\/2026\/03\/How-to-Choose-a-Hydraulic-Power-Unit_-Complete-Procurement-Guide.jpg 1200w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/noscript> Wie man ein Hydraulikaggregat ausw\u00e4hlt_ Vollst\u00e4ndiger Beschaffungsleitfaden<\/figcaption><\/figure>\n<section id=\"introduction\">\n<h2>Einleitung: Warum die Auswahl wichtig ist<\/h2>\n<p>Die Wahl der richtigen HPU verhindert \u00dcberhitzung, Drift, langsame Zyklen und vorzeitigen Verschlei\u00df.<br \/>\nEine gute Dimensionierung verbessert die Zuverl\u00e4ssigkeit, den Energieverbrauch und die Gesamtlebenszykluskosten.<br \/>\nIn diesem Leitfaden werden die vier Kernparameter, die Einsatzmuster, die Auswahl der \u00d6le und die Kriterien f\u00fcr die Lieferanten erl\u00e4utert, und er schlie\u00dft mit einer Checkliste, die Sie auf jedes Projekt anwenden k\u00f6nnen.<\/p>\n<figure id=\"attachment_4483\" aria-describedby=\"caption-attachment-4483\" style=\"width: 228px\" class=\"wp-caption alignnone\"><img decoding=\"async\" src=\"data:image\/gif;base64,R0lGODlhAQABAIAAAAAAAP\/\/\/yH5BAEAAAAALAAAAAABAAEAAAIBRAA7\" data-src=\"https:\/\/hydrathpower.com\/wp-content\/uploads\/2026\/03\/How-to-order-hydraulic-power-pack-228x300.jpg\" class=\"size-medium wp-image-4483 lazyload\" alt=\"Bestellung von Hydraulikaggregaten\" width=\"228\" height=\"300\"><figcaption id=\"caption-attachment-4483\" class=\"wp-caption-text\"><noscript><img loading=\"lazy\" decoding=\"async\" class=\"size-medium wp-image-4483\" src=\"https:\/\/hydrathpower.com\/wp-content\/uploads\/2026\/03\/How-to-order-hydraulic-power-pack-228x300.jpg\" alt=\"Bestellung von Hydraulikaggregaten\" width=\"228\" height=\"300\" srcset=\"https:\/\/hydrathpower.com\/wp-content\/uploads\/2026\/03\/How-to-order-hydraulic-power-pack-228x300.jpg 228w, https:\/\/hydrathpower.com\/wp-content\/uploads\/2026\/03\/How-to-order-hydraulic-power-pack-778x1024.jpg 778w, https:\/\/hydrathpower.com\/wp-content\/uploads\/2026\/03\/How-to-order-hydraulic-power-pack-768x1010.jpg 768w, https:\/\/hydrathpower.com\/wp-content\/uploads\/2026\/03\/How-to-order-hydraulic-power-pack-9x12.jpg 9w, https:\/\/hydrathpower.com\/wp-content\/uploads\/2026\/03\/How-to-order-hydraulic-power-pack.jpg 906w\" sizes=\"(max-width: 228px) 100vw, 228px\" \/><\/noscript> Bestellung von Hydraulikaggregaten<\/figcaption><\/figure>\n<\/section>\n<section id=\"pressure\">\n<h2>Kernparameter 1: Druck (Bar\/PSI)<\/h2>\n<h3>Berechnung des Arbeitsdrucks<\/h3>\n<ul>\n<li>Formel: Druck = Kraft \/ Fl\u00e4che<\/li>\n<li>Zylinderkraft (N) = Druck (Pa) \u00d7 Fl\u00e4che (m\u00b2). Praktische Einheiten: Druck (bar) \u2248 (Kraft (kN) \u00f7 Fl\u00e4che (cm\u00b2)) \u00d7 10.<\/li>\n<li>Beispiel: Ein Hubmast ben\u00f6tigt 8 kN. Bohrungsfl\u00e4che des Zylinders = 20 cm\u00b2. Erforderlicher Druck \u2248 (8 \u00f7 20) \u00d7 10 = 40 bar. Reale Systeme arbeiten oft mit 140-210 bar f\u00fcr eine stabile Steuerung; f\u00fcgen Sie eine Marge hinzu.<\/li>\n<\/ul>\n<h3>Typische Druckbereiche je nach Anwendung<\/h3>\n<ul>\n<li>Mobile Aufz\u00fcge, <a href=\"\/hydraulic-mast-power-unit\/\">Masten<\/a>, Kipper\/<a href=\"\/dump-trailer-hydraulic-pump\/\">Kippauflieger<\/a>: 140-210 bar<\/li>\n<li>Industrielle Plattformen, Pressen, Werkzeuge: 210-315 bar<\/li>\n<li>Pr\u00fcfung und Spannen: 350-700 bar (5.000-10.000 psi)<br \/>\n<div id='gallery-1' class='gallery galleryid-4402 gallery-columns-5 gallery-size-medium'><figure class='gallery-item'>\n\t\t\t<div class='gallery-icon landscape'>\n\t\t\t\t<a href='https:\/\/hydrathpower.com\/de\/hpu-selection-guide\/mobile-lifts-hydraulic-power-unit\/'><img loading=\"lazy\" decoding=\"async\" width=\"300\" height=\"200\" src=\"https:\/\/hydrathpower.com\/wp-content\/uploads\/2026\/03\/Mobile-lifts-Hydraulic-Power-Unit-300x200.jpg\" class=\"attachment-medium size-medium\" alt=\"Mobile Aufz\u00fcge Hydraulikaggregat\" aria-describedby=\"gallery-1-4405\" srcset=\"https:\/\/hydrathpower.com\/wp-content\/uploads\/2026\/03\/Mobile-lifts-Hydraulic-Power-Unit-300x200.jpg 300w, https:\/\/hydrathpower.com\/wp-content\/uploads\/2026\/03\/Mobile-lifts-Hydraulic-Power-Unit-1024x683.jpg 1024w, https:\/\/hydrathpower.com\/wp-content\/uploads\/2026\/03\/Mobile-lifts-Hydraulic-Power-Unit-768x512.jpg 768w, https:\/\/hydrathpower.com\/wp-content\/uploads\/2026\/03\/Mobile-lifts-Hydraulic-Power-Unit-18x12.jpg 18w, https:\/\/hydrathpower.com\/wp-content\/uploads\/2026\/03\/Mobile-lifts-Hydraulic-Power-Unit.jpg 1200w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/a>\n\t\t\t<\/div>\n\t\t\t\t<figcaption class='wp-caption-text gallery-caption' id='gallery-1-4405'>\n\t\t\t\tMobile Aufz\u00fcge Hydraulikaggregat\n\t\t\t\t<\/figcaption><\/figure><figure class='gallery-item'>\n\t\t\t<div class='gallery-icon landscape'>\n\t\t\t\t<a href='https:\/\/hydrathpower.com\/de\/hpu-selection-guide\/dump-trailer-hydraulic-power-unit\/'><img loading=\"lazy\" decoding=\"async\" width=\"300\" height=\"200\" src=\"https:\/\/hydrathpower.com\/wp-content\/uploads\/2026\/03\/dump-trailer-Hydraulic-Power-Unit-300x200.jpg\" class=\"attachment-medium size-medium\" alt=\"Kippanh\u00e4nger Hydraulikaggregat\" aria-describedby=\"gallery-1-4406\" srcset=\"https:\/\/hydrathpower.com\/wp-content\/uploads\/2026\/03\/dump-trailer-Hydraulic-Power-Unit-300x200.jpg 300w, https:\/\/hydrathpower.com\/wp-content\/uploads\/2026\/03\/dump-trailer-Hydraulic-Power-Unit-1024x683.jpg 1024w, https:\/\/hydrathpower.com\/wp-content\/uploads\/2026\/03\/dump-trailer-Hydraulic-Power-Unit-768x512.jpg 768w, https:\/\/hydrathpower.com\/wp-content\/uploads\/2026\/03\/dump-trailer-Hydraulic-Power-Unit-18x12.jpg 18w, https:\/\/hydrathpower.com\/wp-content\/uploads\/2026\/03\/dump-trailer-Hydraulic-Power-Unit.jpg 1200w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/a>\n\t\t\t<\/div>\n\t\t\t\t<figcaption class='wp-caption-text gallery-caption' id='gallery-1-4406'>\n\t\t\t\tKippanh\u00e4nger Hydraulikaggregat\n\t\t\t\t<\/figcaption><\/figure>\n\t\t<\/div>\n<\/li>\n<\/ul>\n<h3>Druck und Materialbest\u00e4ndigkeit<\/h3>\n<ul>\n<li><a href=\"\/hydraulic-check-valve\/\">R\u00fcckschlagventil<\/a>\/Verteilerleistungen (CETOP-Hohlr\u00e4ume), Schlauchberstleistungen und Dichtungskompatibilit\u00e4t bei maximalem Druck und Temperatur.<\/li>\n<li>Beachten Sie die ISO\/DIN\/SAE-Bauteilwerte; f\u00fcgen Sie einen Spielraum f\u00fcr transiente Spitzen hinzu.<\/li>\n<\/ul>\n<\/section>\n<section id=\"flow-rate\">\n<h2>Kernparameter 2: Durchflussmenge (LPM\/GPM)<\/h2>\n<h3>LPM-Berechnungsmethode<\/h3>\n<p>Durchfluss (L\/min) = (Fl\u00e4che des Zylinders (cm\u00b2) \u00d7 Geschwindigkeit (cm\/s) \u00d7 60) \u00f7 1000.<\/p>\n<p>Beispiel: Bohrungsfl\u00e4che 20 cm\u00b2, Zielgeschwindigkeit 2 cm\/s \u2192 LPM = (20 \u00d7 2 \u00d7 60) \u00f7 1000 = 2,4 L\/min.<\/p>\n<h3>Durchfluss vs. Bet\u00e4tigungsgeschwindigkeit<\/h3>\n<ul>\n<li>Ein h\u00f6herer LPM-Wert erh\u00f6ht die Geschwindigkeit; \u00fcberpr\u00fcfen Sie die Stabilit\u00e4t und die Kontrolle beim Absenken (doppeltwirkende Schaltungen sind hilfreich).<\/li>\n<li>Verwenden Sie Stromregelventile, um die Geschwindigkeit einzustellen und Schwingungen zu vermeiden.<\/li>\n<\/ul>\n<h3>K\u00fchlungsbedarf<\/h3>\n<ul>\n<li>Hoher LPM-Wert bei hohem Druck erzeugt W\u00e4rme; \u00d6ltemperatur \u00fcberwachen.<\/li>\n<li>L\u00f6sen Sie die externe K\u00fchlung aus, wenn die \u00d6ltemperatur \u00fcber den Spezifikationen liegt oder der Arbeitszyklus sich dem Dauerbetrieb n\u00e4hert.<\/li>\n<\/ul>\n<\/section>\n<section id=\"power\">\n<h2>Kernparameter 3: Leistung (kW\/HP)<\/h2>\n<h3>Anpassung der Motorleistung<\/h3>\n<ul>\n<li>Hydraulik kW \u2248 (Druck (bar) \u00d7 Durchfluss (L\/min)) \u00f7 600 (f\u00fcr die Motorauslegung durch den Wirkungsgrad dividieren).<\/li>\n<li>Hydraulische PS \u2248 (Druck (psi) \u00d7 Durchfluss (GPM)) \u00f7 1714.<\/li>\n<li>Beispiel: 180 bar \u00d7 8 L\/min \u2192 kW \u2248 2,4 kW. Bei Wirkungsgrad 80%, Motor \u2248 3,0 kW.<\/li>\n<\/ul>\n<h3>Effizienzklasse<\/h3>\n<ul>\n<li>Bevorzugen Sie Motoren und Pumpen mit gutem Gesamtwirkungsgrad; reduzieren Sie den W\u00e4rme- und Energieverbrauch.<\/li>\n<li>DC vs. AC: DC eignet sich f\u00fcr mobile 12\/24 V; AC eignet sich f\u00fcr den station\u00e4ren Betrieb und h\u00f6here Dauerleistungen.<\/li>\n<\/ul>\n<\/section>\n<section id=\"reservoir\">\n<h2>Kernparameter 4: Speicherkapazit\u00e4t<\/h2>\n<h3>W\u00e4rmeableitung<\/h3>\n<ul>\n<li>Gr\u00f6\u00dfere <a href=\"\/hydraulic-tank\/\">Reservoirs<\/a> die Verweilzeit des \u00d6ls und die W\u00e4rmeabfuhr zu erh\u00f6hen.<\/li>\n<li>Faustregel: Beh\u00e4ltervolumen \u2248 2-4\u00d7 Pumpendurchfluss pro Minute (je nach Einsatz und Umgebung anpassen).\n<p><figure id=\"attachment_4411\" aria-describedby=\"caption-attachment-4411\" style=\"width: 300px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" src=\"data:image\/gif;base64,R0lGODlhAQABAIAAAAAAAP\/\/\/yH5BAEAAAAALAAAAAABAAEAAAIBRAA7\" data-src=\"https:\/\/hydrathpower.com\/wp-content\/uploads\/2026\/03\/hydraulic-power-unit-Reservoir-300x200.jpg\" class=\"size-medium wp-image-4411 lazyload\" alt=\"Hydraulikaggregat Reservoir\" width=\"300\" height=\"200\"><figcaption id=\"caption-attachment-4411\" class=\"wp-caption-text\"><noscript><img loading=\"lazy\" decoding=\"async\" class=\"size-medium wp-image-4411\" src=\"https:\/\/hydrathpower.com\/wp-content\/uploads\/2026\/03\/hydraulic-power-unit-Reservoir-300x200.jpg\" alt=\"Hydraulikaggregat Reservoir\" width=\"300\" height=\"200\" srcset=\"https:\/\/hydrathpower.com\/wp-content\/uploads\/2026\/03\/hydraulic-power-unit-Reservoir-300x200.jpg 300w, https:\/\/hydrathpower.com\/wp-content\/uploads\/2026\/03\/hydraulic-power-unit-Reservoir-1024x683.jpg 1024w, https:\/\/hydrathpower.com\/wp-content\/uploads\/2026\/03\/hydraulic-power-unit-Reservoir-768x512.jpg 768w, https:\/\/hydrathpower.com\/wp-content\/uploads\/2026\/03\/hydraulic-power-unit-Reservoir-18x12.jpg 18w, https:\/\/hydrathpower.com\/wp-content\/uploads\/2026\/03\/hydraulic-power-unit-Reservoir.jpg 1200w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/noscript> Hydraulikaggregat Reservoir<\/figcaption><\/figure><\/li>\n<\/ul>\n<h3>System-Zykluszeit<\/h3>\n<ul>\n<li>Sicherstellen, dass das Volumen f\u00fcr die Zylinderh\u00fcbe ohne Bel\u00fcftung ausreicht; Entl\u00fcftung\/F\u00fcllung und Filtration hinzuf\u00fcgen.<\/li>\n<li>Systeme im Freien: Verwenden Sie vorgesteuerte Kontrollen, um ein Abdriften zu verhindern und die Lasten bei Wind stabil zu halten.<\/li>\n<\/ul>\n<\/section>\n<section id=\"application-decisions\">\n<h2>Anwendungsentscheidungen<\/h2>\n<h3>Kontinuierlich vs. intermittierend<\/h3>\n<ul>\n<li>Dauerbetrieb: Motor f\u00fcr Dauerbetrieb dimensionieren; K\u00fchl- und Filtrationsleistung hinzuf\u00fcgen.<\/li>\n<li>Intermittierend (S3): kleinerer Motor akzeptabel; \u00fcberpr\u00fcfen Sie die Zyklusfrequenz und die Ruhezeiten.<br \/>\n<div id='gallery-2' class='gallery galleryid-4402 gallery-columns-5 gallery-size-medium'><figure class='gallery-item'>\n\t\t\t<div class='gallery-icon landscape'>\n\t\t\t\t<a href='https:\/\/hydrathpower.com\/de\/hpu-selection-guide\/hpu-dc-motor\/'><img loading=\"lazy\" decoding=\"async\" width=\"300\" height=\"200\" src=\"https:\/\/hydrathpower.com\/wp-content\/uploads\/2026\/03\/hpu-dc-motor-300x200.jpg\" class=\"attachment-medium size-medium\" alt=\"hpu-Gleichstrommotor\" aria-describedby=\"gallery-2-4407\" srcset=\"https:\/\/hydrathpower.com\/wp-content\/uploads\/2026\/03\/hpu-dc-motor-300x200.jpg 300w, https:\/\/hydrathpower.com\/wp-content\/uploads\/2026\/03\/hpu-dc-motor-1024x683.jpg 1024w, https:\/\/hydrathpower.com\/wp-content\/uploads\/2026\/03\/hpu-dc-motor-768x512.jpg 768w, https:\/\/hydrathpower.com\/wp-content\/uploads\/2026\/03\/hpu-dc-motor-18x12.jpg 18w, https:\/\/hydrathpower.com\/wp-content\/uploads\/2026\/03\/hpu-dc-motor.jpg 1200w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/a>\n\t\t\t<\/div>\n\t\t\t\t<figcaption class='wp-caption-text gallery-caption' id='gallery-2-4407'>\n\t\t\t\tHPU DC-Motor\n\t\t\t\t<\/figcaption><\/figure><figure class='gallery-item'>\n\t\t\t<div class='gallery-icon landscape'>\n\t\t\t\t<a href='https:\/\/hydrathpower.com\/de\/hpu-selection-guide\/hpu-ac-motor\/'><img loading=\"lazy\" decoding=\"async\" width=\"300\" height=\"200\" src=\"https:\/\/hydrathpower.com\/wp-content\/uploads\/2026\/03\/hpu-ac-motor-300x200.jpg\" class=\"attachment-medium size-medium\" alt=\"hpu-wechselstrommotor\" aria-describedby=\"gallery-2-4408\" srcset=\"https:\/\/hydrathpower.com\/wp-content\/uploads\/2026\/03\/hpu-ac-motor-300x200.jpg 300w, https:\/\/hydrathpower.com\/wp-content\/uploads\/2026\/03\/hpu-ac-motor-1024x683.jpg 1024w, https:\/\/hydrathpower.com\/wp-content\/uploads\/2026\/03\/hpu-ac-motor-768x512.jpg 768w, https:\/\/hydrathpower.com\/wp-content\/uploads\/2026\/03\/hpu-ac-motor-18x12.jpg 18w, https:\/\/hydrathpower.com\/wp-content\/uploads\/2026\/03\/hpu-ac-motor.jpg 1200w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/a>\n\t\t\t<\/div>\n\t\t\t\t<figcaption class='wp-caption-text gallery-caption' id='gallery-2-4408'>\n\t\t\t\tHPU AC-Motor\n\t\t\t\t<\/figcaption><\/figure>\n\t\t<\/div>\n<\/li>\n<\/ul>\n<h3>Mobil und station\u00e4r<\/h3>\n<ul>\n<li>Mobil: DC 12\/24 V, kompakte Verteiler, Au\u00dfengeh\u00e4use, Fernverkabelung, ger\u00e4uscharm.<\/li>\n<li>Station\u00e4r: AC 220\/380 V, gr\u00f6\u00dfere Beh\u00e4lter, Optionen f\u00fcr Dauerbetrieb, servicefreundlicher Aufbau.<\/li>\n<\/ul>\n<h3>Beispiele aus dem Sektor<\/h3>\n<ul>\n<li>Industriemaschinen: 210-315 bar; 10-60 LPM; <a href=\"\/ac-motor\/\">AC-Motoren<\/a>; CETOP D03\/D05.<\/li>\n<li>Bau-\/Mobilger\u00e4te: 140-210 bar; 2-15 LPM; <a href=\"\/dc-motor\/\">DC-Motoren<\/a>; Pilotkontrollen; robuste Geh\u00e4use.<\/li>\n<li>Landwirtschaft: breiter Einsatzbereich; \u00dcberpr\u00fcfung von Staub, Temperaturschwankungen und Wartungszugang.<br \/>\n<div id='gallery-3' class='gallery galleryid-4402 gallery-columns-5 gallery-size-medium'><figure class='gallery-item'>\n\t\t\t<div class='gallery-icon landscape'>\n\t\t\t\t<a href='https:\/\/hydrathpower.com\/de\/hpu-selection-guide\/mobile-hydraulic-power-unit-3\/'><img loading=\"lazy\" decoding=\"async\" width=\"300\" height=\"200\" src=\"https:\/\/hydrathpower.com\/wp-content\/uploads\/2026\/03\/Mobile-hydraulic-power-unit-300x200.jpg\" class=\"attachment-medium size-medium\" alt=\"Mobiles Hydraulikaggregat\" aria-describedby=\"gallery-3-4409\" srcset=\"https:\/\/hydrathpower.com\/wp-content\/uploads\/2026\/03\/Mobile-hydraulic-power-unit-300x200.jpg 300w, https:\/\/hydrathpower.com\/wp-content\/uploads\/2026\/03\/Mobile-hydraulic-power-unit-1024x683.jpg 1024w, https:\/\/hydrathpower.com\/wp-content\/uploads\/2026\/03\/Mobile-hydraulic-power-unit-768x512.jpg 768w, https:\/\/hydrathpower.com\/wp-content\/uploads\/2026\/03\/Mobile-hydraulic-power-unit-18x12.jpg 18w, https:\/\/hydrathpower.com\/wp-content\/uploads\/2026\/03\/Mobile-hydraulic-power-unit.jpg 1200w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/a>\n\t\t\t<\/div>\n\t\t\t\t<figcaption class='wp-caption-text gallery-caption' id='gallery-3-4409'>\n\t\t\t\tMobiles Hydraulikaggregat\n\t\t\t\t<\/figcaption><\/figure><figure class='gallery-item'>\n\t\t\t<div class='gallery-icon landscape'>\n\t\t\t\t<a href='https:\/\/hydrathpower.com\/de\/hpu-selection-guide\/stationary-hydraulic-power-unit\/'><img loading=\"lazy\" decoding=\"async\" width=\"300\" height=\"200\" src=\"https:\/\/hydrathpower.com\/wp-content\/uploads\/2026\/03\/stationary-hydraulic-power-unit-300x200.jpg\" class=\"attachment-medium size-medium\" alt=\"Station\u00e4res Hydraulikaggregat\" aria-describedby=\"gallery-3-4410\" srcset=\"https:\/\/hydrathpower.com\/wp-content\/uploads\/2026\/03\/stationary-hydraulic-power-unit-300x200.jpg 300w, https:\/\/hydrathpower.com\/wp-content\/uploads\/2026\/03\/stationary-hydraulic-power-unit-1024x683.jpg 1024w, https:\/\/hydrathpower.com\/wp-content\/uploads\/2026\/03\/stationary-hydraulic-power-unit-768x512.jpg 768w, https:\/\/hydrathpower.com\/wp-content\/uploads\/2026\/03\/stationary-hydraulic-power-unit-18x12.jpg 18w, https:\/\/hydrathpower.com\/wp-content\/uploads\/2026\/03\/stationary-hydraulic-power-unit.jpg 1200w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/a>\n\t\t\t<\/div>\n\t\t\t\t<figcaption class='wp-caption-text gallery-caption' id='gallery-3-4410'>\n\t\t\t\tStation\u00e4res Hydraulikaggregat\n\t\t\t\t<\/figcaption><\/figure>\n\t\t<\/div>\n<\/li>\n<\/ul>\n<\/section>\n<section id=\"hydraulic-oil\">\n<h2>Auswahl des Hydraulik\u00f6ls<\/h2>\n<h3>Mineralisch vs. synthetisch<\/h3>\n<ul>\n<li>Mineral: weit verbreitet, kosteng\u00fcnstig, hohe Kompatibilit\u00e4t.<\/li>\n<li>Synthetisch: bessere Temperaturstabilit\u00e4t und Oxidationsbest\u00e4ndigkeit; Dichtungsvertr\u00e4glichkeit pr\u00fcfen.<\/li>\n<\/ul>\n<h3>Biologisch abbaubare \u00d6le<\/h3>\n<p>Ber\u00fccksichtigen Sie die Umweltanforderungen; \u00fcberpr\u00fcfen Sie den Viskosit\u00e4tsindex und die Materialvertr\u00e4glichkeit.<\/p>\n<h3>Praktische Hinweise<\/h3>\n<p>Passen Sie die Viskosit\u00e4t an die Pumpen- und Umgebungsbedingungen an; halten Sie sie durch Filtration und regelm\u00e4\u00dfige Analysen sauber.<\/p>\n<\/section>\n<section id=\"brand-supplier\">\n<h2>Marken- und Lieferantenkriterien<\/h2>\n<h3>OEM vs. kundenspezifisch<\/h3>\n<ul>\n<li>OEM: schnellere Lieferung, standardisierte Teile, bew\u00e4hrte Pr\u00fcfroutinen.<\/li>\n<li>Kundenspezifisch: ma\u00dfgeschneiderte Verteiler, spezielle Spannungen\/Durchfl\u00fcsse, integriertes Zubeh\u00f6r.<\/li>\n<\/ul>\n<h3>After-Sales<\/h3>\n<ul>\n<li>Fragen Sie nach Druck-\/Durchflusspr\u00fcfungsberichten, Schaltpl\u00e4nen, Ersatzbaus\u00e4tzen und Klarheit \u00fcber Lieferzeiten\/MOQ.<\/li>\n<li>Bewerten Sie die Qualit\u00e4t der Dokumentation und die Reaktionsgeschwindigkeit.<\/li>\n<\/ul>\n<\/section>\n<section id=\"comparison\">\n<h2>Vergleich: DC- und AC-Netzteile<\/h2>\n<table>\n<thead>\n<tr>\n<th>Merkmal<\/th>\n<th>GLEICHSTROM (12\/24 V)<\/th>\n<th>WECHSELSTROM (220\/380 V)<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Typische Verwendung<\/td>\n<td>Mobile Ausr\u00fcstung<\/td>\n<td>Station\u00e4r\/industriell<\/td>\n<\/tr>\n<tr>\n<td>Pflicht<\/td>\n<td>Intermittierend (S3)<\/td>\n<td>Kontinuierliche Optionen<\/td>\n<\/tr>\n<tr>\n<td>L\u00e4rm\/W\u00e4rme<\/td>\n<td>Ger\u00e4uscharm; \u00dcberwachung der W\u00e4rme in engen Geh\u00e4usen<\/td>\n<td>W\u00e4rmemanagement mit gr\u00f6\u00dferen Reservoiren\/K\u00fchlung<\/td>\n<\/tr>\n<tr>\n<td>Leistungsbereich<\/td>\n<td>Bis zu ~4 kW typisch<\/td>\n<td>Bis zu ~7,5 kW typisch<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>Fazit: W\u00e4hlen Sie Gleichstrom f\u00fcr den mobilen Einsatz; w\u00e4hlen Sie Wechselstrom f\u00fcr den Dauerbetrieb und h\u00f6here Dauerstr\u00f6me.<\/p>\n<\/section>\n<section id=\"sizing-steps\">\n<h2>Wie man eine HPU dimensioniert (5 Schritte)<\/h2>\n<ol>\n<li>Definieren Sie die erforderliche Kraft und Geschwindigkeit f\u00fcr jedes Stellglied.<\/li>\n<li>Berechnen Sie den Mindestdruck und die LPM; f\u00fcgen Sie Spielr\u00e4ume f\u00fcr Verluste hinzu.<\/li>\n<li>Berechnen Sie die hydraulische Leistung und w\u00e4hlen Sie den Motor mit dem besten Wirkungsgrad.<\/li>\n<li>Bemessung des Beh\u00e4lters und der Filtration; Planung der K\u00fchlung bei Dauerbetrieb.<\/li>\n<li>Best\u00e4tigen Sie Spannung, Verteilertyp (CETOP), Anschl\u00fcsse und Au\u00dfenanforderungen.<\/li>\n<\/ol>\n<\/section>\n<section id=\"faqs\">\n<h2>H\u00e4ufig gestellte Fragen<\/h2>\n<h3>Wie kann man die Motorgr\u00f6\u00dfe sicher absch\u00e4tzen?<\/h3>\n<p>Verwenden Sie kW \u2248 (bar \u00d7 LPM) \u00f7 600 und dividieren Sie durch den Wirkungsgrad; f\u00fcgen Sie eine Marge f\u00fcr Starts und Transienten hinzu.<\/p>\n<h3>Brauche ich doppeltwirkende Schaltkreise?<\/h3>\n<p>F\u00fcr kontrolliertes Absenken und Windwiderstand werden doppeltwirkende Schaltungen bevorzugt.<\/p>\n<h3>Wie gro\u00df sollte das Reservoir sein?<\/h3>\n<p>Beginnen Sie mit einem 2-4fachen Pumpendurchfluss pro Minute und passen Sie ihn an die Zykluszeit und die Umgebungsbedingungen an.<\/p>\n<h3>Welches \u00d6l soll ich w\u00e4hlen?<\/h3>\n<p>W\u00e4hlen Sie die Viskosit\u00e4t entsprechend dem Temperaturbereich; pr\u00fcfen Sie die Kompatibilit\u00e4t der Dichtungen; ziehen Sie je nach Umgebung synthetische oder biologisch abbaubare Produkte in Betracht.<\/p>\n<\/section>","protected":false},"excerpt":{"rendered":"<p>What is a Hydraulic Power Unit? A hydraulic power unit (HPU) converts electrical or engine power into hydraulic energy and [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":4414,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"default","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[1],"tags":[],"class_list":["post-4402","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-uncategorized"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.8 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>How to Choose a Hydraulic Power Unit: Complete Procurement Guide - Hydrath Power<\/title>\n<meta name=\"description\" content=\"Learn how to size an HPU step by step: calculate pressure and LPM, match motor power, pick reservoir capacity, and select oil types. 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