{"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":"guia-de-seleccion-de-la-hpu","status":"publish","type":"post","link":"https:\/\/hydrathpower.com\/es\/hpu-selection-guide\/","title":{"rendered":"C\u00f3mo elegir una unidad de potencia hidr\u00e1ulica: Gu\u00eda completa de adquisici\u00f3n"},"content":{"rendered":"<h2>\u00bfQu\u00e9 es un grupo hidr\u00e1ulico?<\/h2>\n<p>A <a href=\"\/hydraulic-power-unit\/\">unidad de potencia hidr\u00e1ulica<\/a> (HPU) convierte la energ\u00eda el\u00e9ctrica o del motor en energ\u00eda hidr\u00e1ulica y controla la presi\u00f3n, el caudal y la direcci\u00f3n para accionar <a href=\"\/hydraulic-cylinders\/\">cilindros<\/a> o motores.<br \/>\nLos componentes t\u00edpicos son una bomba, un motor y un dep\u00f3sito, <a href=\"\/hydraulic-manifold\/\">colector<\/a>\/<a href=\"\/hydraulic-cartridge-valves\/\">v\u00e1lvulas<\/a>, filtraci\u00f3n y sensores.<\/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=\"C\u00f3mo elegir una unidad de potencia hidr\u00e1ulica_ Gu\u00eda completa de adquisici\u00f3n\" 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=\"C\u00f3mo elegir una unidad de potencia hidr\u00e1ulica_ Gu\u00eda completa de adquisici\u00f3n\" 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> C\u00f3mo elegir una unidad de potencia hidr\u00e1ulica_ Gu\u00eda completa de adquisici\u00f3n<\/figcaption><\/figure>\n<section id=\"introduction\">\n<h2>Introducci\u00f3n: Por qu\u00e9 es importante la selecci\u00f3n<\/h2>\n<p>Elegir la HPU correcta evita el sobrecalentamiento, la deriva, los ciclos lentos y el desgaste prematuro.<br \/>\nUn buen dimensionamiento mejora la fiabilidad, el consumo de energ\u00eda y el coste total del ciclo de vida.<br \/>\nEsta gu\u00eda repasa los cuatro par\u00e1metros b\u00e1sicos, las pautas de uso, la elecci\u00f3n de aceites y los criterios de los proveedores, y concluye con una lista de comprobaci\u00f3n que puede aplicar a cualquier proyecto.<\/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=\"C\u00f3mo pedir una central hidr\u00e1ulica\" 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=\"C\u00f3mo pedir una central hidr\u00e1ulica\" 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> C\u00f3mo pedir una central hidr\u00e1ulica<\/figcaption><\/figure>\n<\/section>\n<section id=\"pressure\">\n<h2>Par\u00e1metro central 1: Presi\u00f3n (Bar\/PSI)<\/h2>\n<h3>C\u00e1lculo de la presi\u00f3n de trabajo<\/h3>\n<ul>\n<li>F\u00f3rmula: Presi\u00f3n = Fuerza \/ \u00c1rea<\/li>\n<li>Fuerza del cilindro (N) = Presi\u00f3n (Pa) \u00d7 Superficie (m\u00b2). Unidades pr\u00e1cticas: Presi\u00f3n (bar) \u2248 (Fuerza (kN) \u00f7 \u00c1rea (cm\u00b2)) \u00d7 10.<\/li>\n<li>Ejemplo: Un elevador de m\u00e1stil necesita 8 kN. Superficie del orificio del cilindro = 20 cm\u00b2. Presi\u00f3n necesaria \u2248 (8 \u00f7 20) \u00d7 10 = 40 bar. Los sistemas reales suelen funcionar a 140-210 bar para un control estable; a\u00f1ada margen.<\/li>\n<\/ul>\n<h3>Rangos de presi\u00f3n t\u00edpicos por aplicaci\u00f3n<\/h3>\n<ul>\n<li>Elevadores m\u00f3viles, <a href=\"\/hydraulic-mast-power-unit\/\">m\u00e1stiles<\/a>, tipper\/<a href=\"\/dump-trailer-hydraulic-pump\/\">remolques basculantes<\/a>: 140-210 bar<\/li>\n<li>Plataformas industriales, prensas, utillaje: 210-315 bar<\/li>\n<li>Prueba y tensi\u00f3n: 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\/es\/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=\"Elevadores m\u00f3viles Unidad de potencia hidr\u00e1ulica\" 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\tElevadores m\u00f3viles Unidad de potencia hidr\u00e1ulica\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\/es\/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=\"remolque basculante Unidad de potencia hidr\u00e1ulica\" 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\tremolque basculante Unidad de potencia hidr\u00e1ulica\n\t\t\t\t<\/figcaption><\/figure>\n\t\t<\/div>\n<\/li>\n<\/ul>\n<h3>Presi\u00f3n y durabilidad del material<\/h3>\n<ul>\n<li><a href=\"\/hydraulic-check-valve\/\">V\u00e1lvula de retenci\u00f3n<\/a>\/(cavidades CETOP), los valores nominales de rotura de la manguera y la compatibilidad de la junta a presi\u00f3n y temperatura m\u00e1ximas.<\/li>\n<li>Respete los valores nominales de los componentes ISO\/DIN\/SAE; a\u00f1ada margen para picos transitorios.<\/li>\n<\/ul>\n<\/section>\n<section id=\"flow-rate\">\n<h2>Par\u00e1metro central 2: Caudal (LPM\/GPM)<\/h2>\n<h3>M\u00e9todo de c\u00e1lculo del LPM<\/h3>\n<p>Caudal (L\/min) = (\u00c1rea del cilindro (cm\u00b2) \u00d7 Velocidad (cm\/s) \u00d7 60) \u00f7 1000.<\/p>\n<p>Ejemplo: \u00c1rea de perforaci\u00f3n 20 cm\u00b2, velocidad objetivo 2 cm\/s \u2192 LPM = (20 \u00d7 2 \u00d7 60) \u00f7 1000 = 2,4 L\/min.<\/p>\n<h3>Caudal en funci\u00f3n de la velocidad de accionamiento<\/h3>\n<ul>\n<li>Un mayor LPM aumenta la velocidad; verifique la estabilidad y el control para el descenso (los circuitos de doble efecto ayudan).<\/li>\n<li>Utilice v\u00e1lvulas reguladoras de caudal para ajustar la velocidad y evitar oscilaciones.<\/li>\n<\/ul>\n<h3>Necesidades de refrigeraci\u00f3n<\/h3>\n<ul>\n<li>Las altas LPM a alta presi\u00f3n generan calor; controle la temperatura del aceite.<\/li>\n<li>Activa la refrigeraci\u00f3n externa cuando la temperatura del aceite supera la especificaci\u00f3n o el ciclo de trabajo se aproxima al continuo.<\/li>\n<\/ul>\n<\/section>\n<section id=\"power\">\n<h2>Par\u00e1metro central 3: Potencia (kW\/HP)<\/h2>\n<h3>Adaptaci\u00f3n de la potencia del motor<\/h3>\n<ul>\n<li>kW hidr\u00e1ulico \u2248 (Presi\u00f3n (bar) \u00d7 Caudal (L\/min)) \u00f7 600 (dividir por el rendimiento para el dimensionamiento del motor).<\/li>\n<li>HP hidr\u00e1ulico \u2248 (Presi\u00f3n (psi) \u00d7 Caudal (GPM)) \u00f7 1714.<\/li>\n<li>Ejemplo: 180 bar \u00d7 8 L\/min \u2192 kW \u2248 2,4 kW. Con eficiencia 80%, motor \u2248 3,0 kW.<\/li>\n<\/ul>\n<h3>Clase de eficiencia<\/h3>\n<ul>\n<li>Prefiera motores y bombas con un buen rendimiento general; reduzca el calor y el consumo de energ\u00eda.<\/li>\n<li>CC frente a CA: la CC es adecuada para aplicaciones m\u00f3viles de 12\/24 V; la CA es adecuada para aplicaciones estacionarias y mayores potencias continuas.<\/li>\n<\/ul>\n<\/section>\n<section id=\"reservoir\">\n<h2>Par\u00e1metro central 4: Capacidad de embalse<\/h2>\n<h3>Disipaci\u00f3n del calor<\/h3>\n<ul>\n<li>M\u00e1s grande <a href=\"\/hydraulic-tank\/\">embalses<\/a> aumentar el tiempo de residencia del aceite y el rechazo del calor.<\/li>\n<li>Regla emp\u00edrica: volumen del dep\u00f3sito \u2248 2-4\u00d7 caudal de la bomba por minuto (ajuste en funci\u00f3n del servicio y el entorno).\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=\"central hidr\u00e1ulica Dep\u00f3sito\" 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=\"central hidr\u00e1ulica Dep\u00f3sito\" 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> central hidr\u00e1ulica Dep\u00f3sito<\/figcaption><\/figure><\/li>\n<\/ul>\n<h3>Tiempo de ciclo del sistema<\/h3>\n<ul>\n<li>Garantizar un volumen suficiente para las carreras de los cilindros sin aireaci\u00f3n; a\u00f1adir respiradero\/relleno y filtraci\u00f3n.<\/li>\n<li>Sistemas exteriores: utilizar controles pilotados para evitar la deriva y mantener las cargas estables bajo el viento.<\/li>\n<\/ul>\n<\/section>\n<section id=\"application-decisions\">\n<h2>Decisiones de aplicaci\u00f3n<\/h2>\n<h3>Continuo o intermitente<\/h3>\n<ul>\n<li>Continuo: dimensione el motor para servicio continuo; a\u00f1ada capacidad de refrigeraci\u00f3n y filtraci\u00f3n.<\/li>\n<li>Intermitente (S3): motor m\u00e1s peque\u00f1o aceptable; verificar la frecuencia del ciclo y los per\u00edodos de descanso.<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\/es\/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=\"motor cc hpu\" 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\tMotor de CC HPU\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\/es\/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=\"motor hpu ac\" 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\tMotor de CA HPU\n\t\t\t\t<\/figcaption><\/figure>\n\t\t<\/div>\n<\/li>\n<\/ul>\n<h3>M\u00f3vil frente a fijo<\/h3>\n<ul>\n<li>M\u00f3viles: CC 12\/24 V, colectores compactos, carcasas para exteriores, cableado remoto, bajo nivel de ruido.<\/li>\n<li>Estacionarias: AC 220\/380 V, dep\u00f3sitos m\u00e1s grandes, opciones de servicio continuo, dise\u00f1o de f\u00e1cil mantenimiento.<\/li>\n<\/ul>\n<h3>Ejemplos de sectores<\/h3>\n<ul>\n<li>Maquinaria industrial: 210-315 bar; 10-60 LPM; <a href=\"\/ac-motor\/\">Motores de CA<\/a>; CETOP D03\/D05.<\/li>\n<li>Construcci\u00f3n\/equipos m\u00f3viles: 140-210 bar; 2-15 LPM; <a href=\"\/dc-motor\/\">Motores de CC<\/a>; controles piloto; carcasas robustas.<\/li>\n<li>Agricultura: amplia gama; verificar el polvo, las oscilaciones de temperatura y el acceso de servicio.<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\/es\/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=\"Central hidr\u00e1ulica m\u00f3vil\" 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\tCentral hidr\u00e1ulica m\u00f3vil\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\/es\/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=\"central hidr\u00e1ulica estacionaria\" 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\tcentral hidr\u00e1ulica estacionaria\n\t\t\t\t<\/figcaption><\/figure>\n\t\t<\/div>\n<\/li>\n<\/ul>\n<\/section>\n<section id=\"hydraulic-oil\">\n<h2>Selecci\u00f3n del aceite hidr\u00e1ulico<\/h2>\n<h3>Mineral frente a sint\u00e9tico<\/h3>\n<ul>\n<li>Mineral: com\u00fan, rentable, amplia compatibilidad.<\/li>\n<li>Sint\u00e9ticos: mejor estabilidad a la temperatura y resistencia a la oxidaci\u00f3n; comprobar la compatibilidad de las juntas.<\/li>\n<\/ul>\n<h3>Aceites biodegradables<\/h3>\n<p>Tener en cuenta los requisitos medioambientales; validar el \u00edndice de viscosidad y la compatibilidad de los materiales.<\/p>\n<h3>Notas pr\u00e1cticas<\/h3>\n<p>Adaptar la viscosidad a la bomba y a las condiciones ambientales; mantener limpio con filtraci\u00f3n y an\u00e1lisis peri\u00f3dicos.<\/p>\n<\/section>\n<section id=\"brand-supplier\">\n<h2>Criterios de marca y proveedor<\/h2>\n<h3>OEM frente a personalizado<\/h3>\n<ul>\n<li>OEM: entrega m\u00e1s r\u00e1pida, piezas estandarizadas, rutinas de ensayo probadas.<\/li>\n<li>A medida: colectores a medida, tensiones\/caudales especiales, accesorios integrados.<\/li>\n<\/ul>\n<h3>Posventa<\/h3>\n<ul>\n<li>Solicite informes de pruebas de presi\u00f3n y caudal, diagramas de cableado, kits de repuesto y claridad en cuanto a plazos de entrega y cantidades m\u00e1ximas de suministro.<\/li>\n<li>Eval\u00fae la calidad de la documentaci\u00f3n y la velocidad de respuesta.<\/li>\n<\/ul>\n<\/section>\n<section id=\"comparison\">\n<h2>Comparaci\u00f3n: Unidades de corriente continua frente a unidades de corriente alterna<\/h2>\n<table>\n<thead>\n<tr>\n<th>Caracter\u00edstica<\/th>\n<th>CC (12\/24 V)<\/th>\n<th>CA (220\/380 V)<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Uso t\u00edpico<\/td>\n<td>Equipos m\u00f3viles<\/td>\n<td>Estacionario\/industrial<\/td>\n<\/tr>\n<tr>\n<td>Deber<\/td>\n<td>Intermitente (S3)<\/td>\n<td>Opciones continuas<\/td>\n<\/tr>\n<tr>\n<td>Ruido\/calor<\/td>\n<td>Poco ruido; vigila el calor en recintos herm\u00e9ticos<\/td>\n<td>Gestionar el calor con dep\u00f3sitos\/refrigeraci\u00f3n m\u00e1s grandes<\/td>\n<\/tr>\n<tr>\n<td>Gama de potencia<\/td>\n<td>Hasta ~4 kW t\u00edpicos<\/td>\n<td>Hasta ~7,5 kW t\u00edpicos<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>Conclusi\u00f3n: Elija CC para despliegues m\u00f3viles; elija CA para servicio continuo y mayores flujos sostenidos.<\/p>\n<\/section>\n<section id=\"sizing-steps\">\n<h2>C\u00f3mo dimensionar una HPU (5 pasos)<\/h2>\n<ol>\n<li>Definir la fuerza y la velocidad necesarias para cada actuador.<\/li>\n<li>Calcular presi\u00f3n m\u00ednima y LPM; a\u00f1adir m\u00e1rgenes por p\u00e9rdidas.<\/li>\n<li>Calcular los kW hidr\u00e1ulicos y seleccionar el motor con margen de eficiencia.<\/li>\n<li>Dimensionar el dep\u00f3sito y la filtraci\u00f3n; planificar la refrigeraci\u00f3n si las tendencias de servicio son continuas.<\/li>\n<li>Confirme la tensi\u00f3n, el tipo de colector (CETOP), los puertos y los requisitos de exterior.<\/li>\n<\/ol>\n<\/section>\n<section id=\"faqs\">\n<h2>Preguntas frecuentes<\/h2>\n<h3>\u00bfCu\u00e1l es una forma segura de calcular el tama\u00f1o del motor?<\/h3>\n<p>Utilice kW \u2248 (bar \u00d7 LPM) \u00f7 600 y div\u00eddalo por el rendimiento; a\u00f1ada margen para arranques y transitorios.<\/p>\n<h3>\u00bfNecesito circuitos de doble efecto?<\/h3>\n<p>Para un descenso controlado y resistencia al viento, se prefieren los circuitos de doble efecto.<\/p>\n<h3>\u00bfQu\u00e9 tama\u00f1o debe tener el dep\u00f3sito?<\/h3>\n<p>Comience con un caudal de bomba de 2-4\u00d7 por minuto y aj\u00fastelo seg\u00fan la duraci\u00f3n del ciclo y las condiciones ambientales.<\/p>\n<h3>\u00bfQu\u00e9 aceite elegir?<\/h3>\n<p>Elija la viscosidad para el intervalo de temperaturas; verifique la compatibilidad de la junta; considere la posibilidad de que sea sint\u00e9tica o biodegradable seg\u00fan el entorno.<\/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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