{"id":3497,"date":"2026-05-13T20:26:44","date_gmt":"2026-05-13T17:26:44","guid":{"rendered":"https:\/\/www.equipsilo.com\/?page_id=3497"},"modified":"2026-05-13T20:32:54","modified_gmt":"2026-05-13T17:32:54","slug":"calculadora-de-filtro","status":"publish","type":"page","link":"https:\/\/www.equipsilo.com\/es\/calculadora\/calculadora-de-filtro\/","title":{"rendered":"Calculadora de filtro"},"content":{"rendered":"\n<script type=\"module\" src=\"https:\/\/unpkg.com\/@google\/model-viewer\/dist\/model-viewer.min.js\"><\/script>\n\n<div id=\"equip-filter-calculator\" class=\"equip-filter-wrap\">\n  <div class=\"equip-filter-intro\">\n    <h2>Calculadora de Filtro con Ventilador<\/h2>\n    <p>Esta herramienta proporciona una estimaci\u00f3n preliminar del caudal de aire, \u00e1rea filtrante y potencia del ventilador para filtros superiores de silo con ventilador.<\/p>\n  <\/div>\n\n  <div class=\"equip-filter-model-card\">\n    <div class=\"equip-filter-model-text\">\n      <h3>Vista Previa 3D del Filtro<\/h3>\n      <p>Gire, acerque e inspeccione el modelo 3D de forma interactiva. Este modelo 3D es temporal y puede reemplazarse m\u00e1s adelante.<\/p>\n    <\/div>\n\n    <model-viewer\n      id=\"filterModel\"\n      src=\"https:\/\/www.equipsilo.com\/wp-content\/uploads\/2026\/05\/fan.glb\"\n      alt=\"Fan-Assisted Silo Top Filter 3D Model\"\n      camera-controls\n      auto-rotate\n      shadow-intensity=\"1\"\n      exposure=\"1\"\n      loading=\"eager\"\n      style=\"width:100%; height:430px; background:#f6f8fa; border-radius:14px;\">\n    <\/model-viewer>\n  <\/div>\n\n  <div class=\"equip-filter-card\">\n    <h3>Paso 1: Seleccionar Modo de C\u00e1lculo<\/h3>\n\n    <label for=\"filterCalculationMode\">Modo de C\u00e1lculo<\/label>\n    <select id=\"filterCalculationMode\">\n      <option value=\"airflow\" selected>Verificaci\u00f3n de Caudal de Aire - Conozco el caudal<\/option>\n      <option value=\"filling\">Estimaci\u00f3n de Llenado del Silo - Conozco la capacidad de llenado<\/option>\n    <\/select>\n  <\/div>\n\n  <div class=\"equip-filter-card\">\n    <h3>Paso 2: Seleccionar Aplicaci\u00f3n y Material<\/h3>\n\n    <label for=\"filterApplication\">Tipo de Aplicaci\u00f3n<\/label>\n    <select id=\"filterApplication\">\n      <option value=\"silo_filling\" selected>Llenado de silo mediante cisterna neum\u00e1tica<\/option>\n      <option value=\"dust_collection\">Punto de captaci\u00f3n de polvo<\/option>\n      <option value=\"mechanical_transfer\">Punto de transferencia mec\u00e1nica<\/option>\n    <\/select>\n\n    <label for=\"filterMaterial\">Material a Granel<\/label>\n    <select id=\"filterMaterial\">\n      <option value=\"\">Seleccione un Material<\/option>\n      <option value=\"cement\">Cemento<\/option>\n      <option value=\"flyash\">Ceniza volante<\/option>\n      <option value=\"lime\">Cal<\/option>\n      <option value=\"gypsum\">Yeso<\/option>\n      <option value=\"bentonite\">Bentonita<\/option>\n      <option value=\"calciumcarbonate\">Carbonato de calcio<\/option>\n      <option value=\"other\">Otro<\/option>\n    <\/select>\n\n    <label for=\"filterDensity\">Densidad Aparente <span>(t\/m\u00b3)<\/span><\/label>\n    <input type=\"text\" id=\"filterDensity\" placeholder=\"Seleccione primero un material\">\n\n    <label for=\"filterDustDifficulty\">Dificultad de Polvo \/ Filtraci\u00f3n<\/label>\n    <select id=\"filterDustDifficulty\">\n      <option value=\"normal\" selected>Polvo normal<\/option>\n      <option value=\"high\">Alta carga de polvo<\/option>\n      <option value=\"difficult\">Polvo fino o dif\u00edcil<\/option>\n    <\/select>\n  <\/div>\n\n  <div class=\"equip-filter-card\">\n    <h3>Paso 3: Introducir Condiciones de Dise\u00f1o<\/h3>\n\n    <div id=\"filterAirflowGroup\">\n      <label for=\"filterAirflow\">Caudal de Aire <span>(m\u00b3\/h)<\/span><\/label>\n      <input type=\"text\" id=\"filterAirflow\" placeholder=\"Example: 2000\">\n    <\/div>\n\n    <div id=\"filterFillingGroup\" class=\"equip-filter-hidden\">\n      <label for=\"filterFillingRate\">Capacidad de Llenado del Silo <span>(t\/h)<\/span><\/label>\n      <input type=\"text\" id=\"filterFillingRate\" placeholder=\"Example: 80\">\n\n      <label for=\"filterAirFactor\">Factor de Aire Neum\u00e1tico Estimado<\/label>\n      <select id=\"filterAirFactor\">\n        <option value=\"25\">Bajo volumen de aire \u00d725<\/option>\n        <option value=\"35\" selected>Llenado normal por cisterna \u00d735<\/option>\n        <option value=\"45\">Alto volumen de aire \u00d745<\/option>\n      <\/select>\n    <\/div>\n  <\/div>\n\n  <div class=\"equip-filter-actions\">\n    <button type=\"button\" id=\"filterCalculateBtn\">Calcular Tama\u00f1o del Filtro<\/button>\n    <button type=\"button\" id=\"filterResetBtn\">Restablecer<\/button>\n  <\/div>\n\n  <div id=\"filterResults\" class=\"equip-filter-results\" style=\"display:none;\">\n    <h3>Resultados del C\u00e1lculo<\/h3>\n\n    <div class=\"equip-filter-result-grid\">\n      <div><span>Caudal de Aire Estimado<\/span><strong id=\"filterResultAirflow\">-<\/strong><\/div>\n      <div><span>\u00c1rea Filtrante Requerida<\/span><strong id=\"filterResultArea\">-<\/strong><\/div>\n      <div><span>Filtro Recomendado<\/span><strong id=\"filterResultModel\">-<\/strong><\/div>\n      <div><span>Di\u00e1metro del Cuerpo<\/span><strong id=\"filterResultDiameter\">-<\/strong><\/div>\n      <div><span>\u00c1rea Filtrante Seleccionada<\/span><strong id=\"filterResultSelectedArea\">-<\/strong><\/div>\n      <div><span>Cantidad de Cartuchos<\/span><strong id=\"filterResultCartridges\">-<\/strong><\/div>\n      <div><span>Cantidad de V\u00e1lvulas<\/span><strong id=\"filterResultValves\">-<\/strong><\/div>\n      <div><span>Potencia de Ventilador Recomendada<\/span><strong id=\"filterResultFanPower\">-<\/strong><\/div>\n      <div><span>Velocidad de Filtraci\u00f3n<\/span><strong id=\"filterResultVelocity\">-<\/strong><\/div>\n      <div><span>Modo de C\u00e1lculo<\/span><strong id=\"filterResultMode\">-<\/strong><\/div>\n    <\/div>\n\n    <div id=\"filterRecommendationNote\" class=\"equip-filter-recommendation\"><\/div>\n\n    <div class=\"equip-filter-note\">\n      <strong>Nota Importante:<\/strong>\n      Esta calculadora proporciona solo estimaciones preliminares. La selecci\u00f3n final depende del caudal real, carga de polvo, propiedades del material, humedad, medio filtrante, presi\u00f3n est\u00e1tica, sistema de limpieza y requisitos del proyecto.    <\/div>\n\n    <a class=\"equip-filter-quote-btn\" href=\"https:\/\/www.equipsilo.com\/es\/contact-us\/\">Solicitar una Cotizaci\u00f3n Detallada<\/a>\n  <\/div>\n<\/div>\n\n<style>\n.equip-filter-wrap {\n  max-width: 980px;\n  margin: 0 auto;\n  padding: 30px 15px 70px;\n  font-family: inherit;\n  color: #212529;\n}\n.equip-filter-intro {\n  margin-bottom: 26px;\n}\n.equip-filter-intro h2 {\n  color: #06184a;\n  font-size: 34px;\n  font-weight: 800;\n  margin-bottom: 12px;\n}\n.equip-filter-intro p {\n  font-size: 17px;\n  line-height: 1.7;\n  max-width: 850px;\n}\n.equip-filter-model-card,\n.equip-filter-card {\n  background: #ffffff;\n  border: 1px solid #e1e5ea;\n  border-radius: 14px;\n  padding: 24px;\n  margin: 0 0 24px;\n  box-shadow: 0 8px 24px rgba(0,0,0,0.04);\n}\n.equip-filter-model-text {\n  margin-bottom: 16px;\n}\n.equip-filter-model-text h3,\n.equip-filter-card h3 {\n  color: #06184a;\n  font-size: 24px;\n  font-weight: 800;\n  margin: 0 0 12px;\n}\n.equip-filter-model-text p {\n  margin: 0;\n  color: #555555;\n  font-size: 15px;\n}\n#filterModel {\n  display: block;\n  width: 100%;\n  min-height: 430px;\n}\n.equip-filter-card h3 {\n  font-size: 22px;\n  padding-bottom: 12px;\n  border-bottom: 1px solid #e5e5e5;\n}\n.equip-filter-card label {\n  display: block;\n  font-weight: 700;\n  margin: 16px 0 7px;\n  color: #333333;\n}\n.equip-filter-card label span {\n  font-weight: 500;\n  color: #666666;\n}\n.equip-filter-card input,\n.equip-filter-card select {\n  width: 100%;\n  max-width: 460px;\n  height: 46px;\n  padding: 8px 12px;\n  border: 1px solid #d4dce3;\n  background: #f4f7f8;\n  border-radius: 4px;\n  font-size: 16px;\n  color: #222222;\n}\n.equip-filter-hidden {\n  display: none;\n}\n.equip-filter-actions {\n  display: flex;\n  gap: 12px;\n  margin: 24px 0;\n  flex-wrap: wrap;\n}\n.equip-filter-actions button,\n.equip-filter-quote-btn {\n  border: none;\n  border-radius: 6px;\n  padding: 13px 22px;\n  font-weight: 800;\n  cursor: pointer;\n  text-decoration: none;\n  display: inline-block;\n}\n#filterCalculateBtn {\n  background: #06184a;\n  color: #ffffff;\n}\n#filterResetBtn {\n  background: #e9eef2;\n  color: #06184a;\n}\n.equip-filter-results {\n  background: #f8fafc;\n  border: 1px solid #dce5ec;\n  border-radius: 12px;\n  padding: 26px;\n  margin-top: 20px;\n}\n.equip-filter-results h3 {\n  color: #06184a;\n  font-size: 24px;\n  font-weight: 800;\n  margin-bottom: 20px;\n}\n.equip-filter-result-grid {\n  display: grid;\n  grid-template-columns: repeat(2, minmax(0, 1fr));\n  gap: 14px;\n}\n.equip-filter-result-grid div {\n  background: #ffffff;\n  border: 1px solid #e1e5ea;\n  border-radius: 8px;\n  padding: 16px;\n}\n.equip-filter-result-grid span {\n  display: block;\n  font-size: 14px;\n  color: #666666;\n  margin-bottom: 7px;\n}\n.equip-filter-result-grid strong {\n  display: block;\n  font-size: 21px;\n  color: #06184a;\n}\n.equip-filter-note {\n  margin-top: 20px;\n  padding: 16px;\n  background: #fff7e6;\n  border-left: 4px solid #f0a000;\n  line-height: 1.7;\n}\n.equip-filter-recommendation {\n  margin-top: 20px;\n  padding: 16px;\n  background: #eef7ff;\n  border-left: 4px solid #06184a;\n  line-height: 1.7;\n}\n.equip-filter-quote-btn {\n  margin-top: 20px;\n  background: #d71920;\n  color: #ffffff !important;\n}\n@media (max-width: 768px) {\n  .equip-filter-intro h2 {\n    font-size: 26px;\n  }\n  .equip-filter-result-grid {\n    grid-template-columns: 1fr;\n  }\n  .equip-filter-card,\n  .equip-filter-model-card {\n    padding: 18px;\n  }\n  #filterModel {\n    min-height: 320px;\n  }\n}\n<\/style>\n\n<script>\n(function() {\n  const i18n = {\"title\":\"Calculadora de Filtro con Ventilador\",\"intro\":\"Esta herramienta proporciona una estimaci\\u00f3n preliminar del caudal de aire, \\u00e1rea filtrante y potencia del ventilador para filtros superiores de silo con ventilador.\",\"preview_title\":\"Vista Previa 3D del Filtro\",\"preview_text\":\"Gire, acerque e inspeccione el modelo 3D de forma interactiva. Este modelo 3D es temporal y puede reemplazarse m\\u00e1s adelante.\",\"step1\":\"Paso 1: Seleccionar Modo de C\\u00e1lculo\",\"step2\":\"Paso 2: Seleccionar Aplicaci\\u00f3n y Material\",\"step3\":\"Paso 3: Introducir Condiciones de Dise\\u00f1o\",\"calculation_mode\":\"Modo de C\\u00e1lculo\",\"mode_airflow\":\"Verificaci\\u00f3n de Caudal de Aire - Conozco el caudal\",\"mode_filling\":\"Estimaci\\u00f3n de Llenado del Silo - Conozco la capacidad de llenado\",\"application_type\":\"Tipo de Aplicaci\\u00f3n\",\"silo_filling\":\"Llenado de silo mediante cisterna neum\\u00e1tica\",\"dust_collection\":\"Punto de captaci\\u00f3n de polvo\",\"mechanical_transfer\":\"Punto de transferencia mec\\u00e1nica\",\"bulk_material\":\"Material a Granel\",\"select_material\":\"Seleccione un Material\",\"cement\":\"Cemento\",\"flyash\":\"Ceniza volante\",\"lime\":\"Cal\",\"gypsum\":\"Yeso\",\"bentonite\":\"Bentonita\",\"calciumcarbonate\":\"Carbonato de calcio\",\"other\":\"Otro\",\"density\":\"Densidad Aparente\",\"select_material_first\":\"Seleccione primero un material\",\"enter_density\":\"Introduzca la densidad manualmente\",\"airflow\":\"Caudal de Aire\",\"filling_rate\":\"Capacidad de Llenado del Silo\",\"air_factor\":\"Factor de Aire Neum\\u00e1tico Estimado\",\"air_low\":\"Bajo volumen de aire\",\"air_normal\":\"Llenado normal por cisterna\",\"air_high\":\"Alto volumen de aire\",\"dust_difficulty\":\"Dificultad de Polvo \\\/ Filtraci\\u00f3n\",\"dust_normal\":\"Polvo normal\",\"dust_high\":\"Alta carga de polvo\",\"dust_difficult\":\"Polvo fino o dif\\u00edcil\",\"calculate\":\"Calcular Tama\\u00f1o del Filtro\",\"reset\":\"Restablecer\",\"results\":\"Resultados del C\\u00e1lculo\",\"estimated_airflow\":\"Caudal de Aire Estimado\",\"required_area\":\"\\u00c1rea Filtrante Requerida\",\"recommended_filter\":\"Filtro Recomendado\",\"body_diameter\":\"Di\\u00e1metro del Cuerpo\",\"filter_area\":\"\\u00c1rea Filtrante Seleccionada\",\"cartridges\":\"Cantidad de Cartuchos\",\"valves\":\"Cantidad de V\\u00e1lvulas\",\"fan_power\":\"Potencia de Ventilador Recomendada\",\"filtration_velocity\":\"Velocidad de Filtraci\\u00f3n\",\"mode_result\":\"Modo de C\\u00e1lculo\",\"important_note_title\":\"Nota Importante:\",\"important_note\":\"Esta calculadora proporciona solo estimaciones preliminares. La selecci\\u00f3n final depende del caudal real, carga de polvo, propiedades del material, humedad, medio filtrante, presi\\u00f3n est\\u00e1tica, sistema de limpieza y requisitos del proyecto.\",\"quote\":\"Solicitar una Cotizaci\\u00f3n Detallada\",\"alert_required\":\"Complete todos los campos obligatorios.\",\"alert_airflow\":\"Introduzca un caudal de aire v\\u00e1lido.\",\"alert_filling\":\"Introduzca una capacidad de llenado v\\u00e1lida.\",\"alert_density\":\"Introduzca una densidad aparente v\\u00e1lida.\",\"recommendation_title\":\"Nota de Recomendaci\\u00f3n:\",\"recommendation_ok\":\"La calculadora seleccion\\u00f3 el tama\\u00f1o est\\u00e1ndar preliminar m\\u00e1s cercano por encima del \\u00e1rea filtrante requerida.\",\"recommendation_project\":\"El \\u00e1rea filtrante requerida supera el rango est\\u00e1ndar preliminar. Contacte con eQUIP para una selecci\\u00f3n espec\\u00edfica del proyecto.\",\"project_specific\":\"Selecci\\u00f3n espec\\u00edfica del proyecto\",\"not_available\":\"N\\\/D\"};\n\n  const materials = {\n    cement: { density: 1.30, velocity: 1.20 },\n    flyash: { density: 0.80, velocity: 1.00 },\n    lime: { density: 0.90, velocity: 0.90 },\n    gypsum: { density: 1.10, velocity: 1.10 },\n    bentonite: { density: 0.80, velocity: 0.80 },\n    calciumcarbonate: { density: 1.20, velocity: 1.00 },\n    other: { density: \"\", velocity: 1.00 }\n  };\n\n  const dustFactors = {\n    normal: 1.00,\n    high: 0.85,\n    difficult: 0.70\n  };\n\n  const filterModels = [\n    { model: \"EQPFILL 06\", area: 6, diameter: \"\u00d8400 mm\", cartridges: 1, valves: 1 },\n    { model: \"EQPFILL 09\", area: 9, diameter: \"\u00d8400 mm\", cartridges: 1, valves: 1 },\n    { model: \"EQPFILL 12\", area: 12, diameter: \"\u00d8600 mm\", cartridges: 2, valves: 2 },\n    { model: \"EQPFILL 18\", area: 18, diameter: \"\u00d8600 mm\", cartridges: 2, valves: 2 },\n    { model: \"EQPFILL 25\", area: 25, diameter: \"\u00d8800 mm\", cartridges: 4, valves: 4 },\n    { model: \"EQPFILL 36\", area: 36, diameter: \"\u00d8800 mm\", cartridges: 4, valves: 4 }\n  ];\n\n  function parseNumber(value) {\n    if (value === null || value === undefined) return NaN;\n    return parseFloat(String(value).trim().replace(\/\\s\/g, \"\").replace(\",\", \".\"));\n  }\n\n  function formatNumber(value, decimals) {\n    return Number(value).toLocaleString(\"en-US\", {\n      minimumFractionDigits: decimals,\n      maximumFractionDigits: decimals\n    });\n  }\n\n  function recommendFilter(requiredArea) {\n    for (let i = 0; i < filterModels.length; i++) {\n      if (requiredArea <= filterModels[i].area) {\n        return filterModels[i];\n      }\n    }\n\n    return {\n      model: i18n.project_specific,\n      area: \"-\",\n      diameter: \"-\",\n      cartridges: \"-\",\n      valves: \"-\",\n      projectSpecific: true\n    };\n  }\n\n  function recommendFanPower(airflow) {\n    if (airflow <= 1500) return \"0.75 kW\";\n    if (airflow <= 3000) return \"1.5 kW\";\n    if (airflow <= 4500) return \"2.2 kW\";\n    return i18n.project_specific;\n  }\n\n  function updateModeFields(mode) {\n    const airflowGroup = document.getElementById(\"filterAirflowGroup\");\n    const fillingGroup = document.getElementById(\"filterFillingGroup\");\n\n    if (mode === \"filling\") {\n      airflowGroup.classList.add(\"equip-filter-hidden\");\n      fillingGroup.classList.remove(\"equip-filter-hidden\");\n    } else {\n      airflowGroup.classList.remove(\"equip-filter-hidden\");\n      fillingGroup.classList.add(\"equip-filter-hidden\");\n    }\n\n    document.getElementById(\"filterResults\").style.display = \"none\";\n  }\n\n  function showResults(data) {\n    document.getElementById(\"filterResultAirflow\").textContent = formatNumber(data.airflow, 0) + \" m\u00b3\/h\";\n    document.getElementById(\"filterResultArea\").textContent = formatNumber(data.requiredArea, 2) + \" m\u00b2\";\n    document.getElementById(\"filterResultModel\").textContent = data.filter.model;\n    document.getElementById(\"filterResultDiameter\").textContent = data.filter.diameter;\n    document.getElementById(\"filterResultSelectedArea\").textContent = data.filter.projectSpecific ? i18n.project_specific : data.filter.area + \" m\u00b2\";\n    document.getElementById(\"filterResultCartridges\").textContent = data.filter.cartridges;\n    document.getElementById(\"filterResultValves\").textContent = data.filter.valves;\n    document.getElementById(\"filterResultFanPower\").textContent = data.fanPower;\n    document.getElementById(\"filterResultVelocity\").textContent = formatNumber(data.velocity, 2) + \" m\/min\";\n    document.getElementById(\"filterResultMode\").textContent = data.modeText;\n\n    const note = document.getElementById(\"filterRecommendationNote\");\n\n    if (data.filter.projectSpecific) {\n      note.innerHTML = \"<strong>\" + i18n.recommendation_title + \"<\/strong> \" + i18n.recommendation_project;\n    } else {\n      note.innerHTML = \"<strong>\" + i18n.recommendation_title + \"<\/strong> \" + i18n.recommendation_ok;\n    }\n\n    document.getElementById(\"filterResults\").style.display = \"block\";\n  }\n\n  const modeSelect = document.getElementById(\"filterCalculationMode\");\n  const materialSelect = document.getElementById(\"filterMaterial\");\n  const densityInput = document.getElementById(\"filterDensity\");\n  const dustSelect = document.getElementById(\"filterDustDifficulty\");\n  const calculateBtn = document.getElementById(\"filterCalculateBtn\");\n  const resetBtn = document.getElementById(\"filterResetBtn\");\n\n  updateModeFields(modeSelect.value);\n\n  modeSelect.addEventListener(\"change\", function() {\n    updateModeFields(this.value);\n  });\n\n  materialSelect.addEventListener(\"change\", function() {\n    const selected = materials[this.value];\n\n    if (!selected) {\n      densityInput.value = \"\";\n      densityInput.placeholder = i18n.select_material_first;\n      densityInput.removeAttribute(\"readonly\");\n      return;\n    }\n\n    if (this.value === \"other\") {\n      densityInput.value = \"\";\n      densityInput.placeholder = i18n.enter_density;\n      densityInput.removeAttribute(\"readonly\");\n    } else {\n      densityInput.value = selected.density.toFixed(2);\n      densityInput.setAttribute(\"readonly\", \"readonly\");\n    }\n\n    document.getElementById(\"filterResults\").style.display = \"none\";\n  });\n\n  calculateBtn.addEventListener(\"click\", function() {\n    const mode = modeSelect.value;\n    const materialKey = materialSelect.value;\n    const material = materials[materialKey];\n    const density = parseNumber(densityInput.value);\n    const dustFactor = dustFactors[dustSelect.value] || 1.00;\n\n    if (!materialKey || !material || !density) {\n      alert(i18n.alert_required);\n      return;\n    }\n\n    let airflow = 0;\n    let modeText = \"\";\n\n    if (mode === \"airflow\") {\n      airflow = parseNumber(document.getElementById(\"filterAirflow\").value);\n      modeText = i18n.mode_airflow;\n\n      if (!airflow || airflow <= 0) {\n        alert(i18n.alert_airflow);\n        return;\n      }\n    } else {\n      const fillingRate = parseNumber(document.getElementById(\"filterFillingRate\").value);\n      const airFactor = parseNumber(document.getElementById(\"filterAirFactor\").value);\n      modeText = i18n.mode_filling;\n\n      if (!fillingRate || fillingRate <= 0) {\n        alert(i18n.alert_filling);\n        return;\n      }\n\n      if (!density || density <= 0) {\n        alert(i18n.alert_density);\n        return;\n      }\n\n      const materialVolumeFlow = fillingRate \/ density;\n      airflow = materialVolumeFlow * airFactor;\n    }\n\n    const filtrationVelocity = material.velocity * dustFactor;\n    const requiredArea = airflow \/ (60 * filtrationVelocity);\n    const filter = recommendFilter(requiredArea);\n    const fanPower = recommendFanPower(airflow);\n\n    showResults({\n      airflow: airflow,\n      requiredArea: requiredArea,\n      velocity: filtrationVelocity,\n      filter: filter,\n      fanPower: fanPower,\n      modeText: modeText\n    });\n  });\n\n  resetBtn.addEventListener(\"click\", function() {\n    modeSelect.value = \"airflow\";\n    updateModeFields(\"airflow\");\n\n    document.getElementById(\"filterApplication\").value = \"silo_filling\";\n    materialSelect.value = \"\";\n    densityInput.value = \"\";\n    densityInput.placeholder = i18n.select_material_first;\n    densityInput.removeAttribute(\"readonly\");\n\n    dustSelect.value = \"normal\";\n    document.getElementById(\"filterAirflow\").value = \"\";\n    document.getElementById(\"filterFillingRate\").value = \"\";\n    document.getElementById(\"filterAirFactor\").value = \"35\";\n\n    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