{"product_id":"gr40m-vdk-4f-1r","title":"GR40M-VDK.4F.1R ZIEHL-ABEGG centrifugal fan","description":"\u003cdiv style=\"position: absolute; left: -90px; top: -20.0028px;\" id=\"gtx-trans\"\u003e\u003c\/div\u003e\n\u003cdiv id=\"gtx-trans\" style=\"position: absolute; left: -31px; top: -18.4062px;\"\u003e\u003c\/div\u003e\n\u003cstyle\u003e\n        * {\n            margin: 0;\n            padding: 0;\n            box-sizing: border-box;\n        }\n        \n        body {\n            font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;\n            line-height: 1.6;\n            color: #333;\n            background-color: #f9f9f9;\n            padding: 20px;\n        }\n        \n        .product-container {\n            max-width: 1200px;\n            margin: 0 auto;\n            background: white;\n            border-radius: 10px;\n            box-shadow: 0 2px 20px rgba(0,0,0,0.1);\n            overflow: hidden;\n        }\n        \n        .product-header {\n            \/* ZIEHL-ABEGG Brand Blue *\/\n            background: linear-gradient(135deg, #0054A6 0%, #0083D8 100%);\n            color: white;\n            padding: 50px 30px;\n            text-align: center;\n            position: relative;\n        }\n        \n        .product-header::after {\n            content: '';\n            position: absolute;\n            bottom: 0;\n            left: 0;\n            right: 0;\n            height: 4px;\n            background: #ffb74d;\n        }\n        \n        .product-title {\n            font-size: 2.4em;\n            font-weight: 700;\n            margin-bottom: 10px;\n            letter-spacing: 0.5px;\n        }\n        \n        .feature-badge {\n            display: inline-block;\n            background: #ffb74d;\n            color: #333;\n            padding: 8px 20px;\n            border-radius: 20px;\n            font-weight: 600;\n            font-size: 1.1em;\n            margin-bottom: 15px;\n            text-transform: uppercase;\n        }\n        \n        .product-subtitle {\n            font-size: 1.2em;\n            font-weight: 300;\n            opacity: 0.9;\n            max-width: 700px;\n            margin: 0 auto;\n            line-height: 1.5;\n        }\n        \n        .benefits-section {\n            padding: 50px 30px;\n            background: #fff;\n        }\n        \n        .section-title {\n            text-align: center;\n            font-size: 1.8em;\n            color: #0054A6;\n            margin-bottom: 40px;\n            font-weight: 600;\n        }\n        \n        .benefits-grid {\n            display: grid;\n            grid-template-columns: repeat(4, 1fr);\n            gap: 25px;\n            margin-top: 20px;\n        }\n        \n        .benefit-card {\n            background: #f8f9fa;\n            border-radius: 8px;\n            padding: 25px 20px;\n            border-top: 4px solid #0054A6;\n            text-align: center;\n            transition: transform 0.3s ease, box-shadow 0.3s ease;\n            height: 100%;\n            display: flex;\n            flex-direction: column;\n        }\n        \n        .benefit-card:hover {\n            transform: translateY(-5px);\n            box-shadow: 0 8px 20px rgba(0,84,166,0.15);\n        }\n        \n        .benefit-icon {\n            font-size: 2.8em;\n            margin-bottom: 20px;\n            display: block;\n            height: 60px;\n        }\n        \n        .benefit-title {\n            font-size: 1.2em;\n            color: #0054A6;\n            margin-bottom: 12px;\n            font-weight: 600;\n            line-height: 1.3;\n            flex-shrink: 0;\n        }\n        \n        .benefit-description {\n            color: #555;\n            font-size: 0.95em;\n            line-height: 1.5;\n            flex-grow: 1;\n        }\n        \n        .applications-section {\n            padding: 50px 30px;\n            background: #e1f0fa;\n        }\n        \n        .applications-grid {\n            display: grid;\n            grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));\n            gap: 20px;\n            margin-top: 30px;\n        }\n        \n        .application-item {\n            background: white;\n            padding: 20px;\n            border-radius: 8px;\n            display: flex;\n            align-items: center;\n            box-shadow: 0 3px 10px rgba(0,0,0,0.08);\n            transition: transform 0.2s ease;\n        }\n        \n        .application-item:hover {\n            transform: translateY(-3px);\n        }\n        \n        .app-icon {\n            font-size: 2em;\n            margin-right: 15px;\n            color: #0054A6;\n            min-width: 40px;\n            text-align: center;\n        }\n        \n        .app-name {\n            font-weight: 600;\n            color: #333;\n        }\n        \n        .datasheet-section {\n            padding: 50px 30px;\n            background: #f0f8ff;\n        }\n        \n        .datasheet-header {\n            text-align: center;\n            font-size: 1.6em;\n            color: #c62828;\n            margin-bottom: 30px;\n            text-transform: uppercase;\n            letter-spacing: 1px;\n            font-weight: 700;\n        }\n        \n        .specs-table {\n            width: 100%;\n            border-collapse: collapse;\n            background: white;\n            border-radius: 8px;\n            overflow: hidden;\n            box-shadow: 0 2px 10px rgba(0,0,0,0.05);\n        }\n        \n        .specs-table tr:nth-child(even) {\n            background-color: #f8f9fa;\n        }\n        \n        .specs-table td {\n            padding: 15px 20px;\n            border-bottom: 1px solid #e9ecef;\n        }\n        \n        .specs-table td:first-child {\n            font-weight: 600;\n            color: #0054A6;\n            width: 40%;\n            background-color: #f0f8ff;\n        }\n        \n        .highlight-cell {\n            color: #0054A6;\n            font-weight: 700;\n            background-color: #e1f0fa;\n        }\n        \n        .efficiency-cell {\n            color: #2e7d32;\n            font-weight: 700;\n            background-color: #c8e6c9;\n        }\n        \n        .high-airflow-cell {\n            color: #00796b;\n            font-weight: 700;\n            background-color: #b2dfdb;\n        }\n        \n        .quiet-cell {\n            color: #7b1fa2;\n            font-weight: 700;\n            background-color: #e1bee7;\n        }\n        \n        .durable-cell {\n            color: #d84315;\n            font-weight: 700;\n            background-color: #ffccbc;\n        }\n        \n        .three-phase-cell {\n            color: #5d4037;\n            font-weight: 700;\n            background-color: #d7ccc8;\n        }\n        \n        .centrifugal-badge {\n            display: inline-block;\n            background: #0054A6;\n            color: white;\n            padding: 6px 15px;\n            border-radius: 15px;\n            font-weight: bold;\n            font-size: 0.85em;\n            margin-left: 10px;\n            vertical-align: middle;\n        }\n        \n        .shipping-section {\n            padding: 40px 30px;\n            background: #f8f9fa;\n            margin: 30px;\n            border-radius: 8px;\n        }\n        \n        .shipping-title {\n            font-size: 1.6em;\n            color: #0054A6;\n            margin-bottom: 25px;\n            text-align: center;\n        }\n        \n        .shipping-details {\n            max-width: 800px;\n            margin: 0 auto;\n        }\n        \n        .shipping-details p {\n            margin-bottom: 12px;\n            padding-left: 20px;\n            position: relative;\n            font-size: 1.05em;\n        }\n        \n        .shipping-details p::before {\n            content: '✓';\n            position: absolute;\n            left: 0;\n            color: #2e7d32;\n            font-weight: bold;\n        }\n        \n        .bulk-inquiry {\n            background: #fff3e0;\n            border-left: 4px solid #ffb74d;\n            padding: 20px;\n            margin-top: 20px;\n            border-radius: 5px;\n        }\n        \n        .bulk-inquiry strong {\n            color: #0054A6;\n        }\n        \n        .faq-section {\n            padding: 50px 30px;\n            background: #e1f0fa;\n            margin: 30px;\n            border-radius: 10px;\n            border: 1px solid #a0c4e0;\n        }\n        \n        .faq-title {\n            text-align: center;\n            font-size: 1.8em;\n            color: #0054A6;\n            margin-bottom: 35px;\n            font-weight: 600;\n        }\n        \n        .faq-item {\n            margin-bottom: 30px;\n            padding-bottom: 30px;\n            border-bottom: 2px solid #a0c4e0;\n        }\n        \n        .faq-item:last-child {\n            border-bottom: none;\n            margin-bottom: 0;\n        }\n        \n        .faq-question {\n            color: #0054A6;\n            font-size: 1.2em;\n            font-weight: 600;\n            margin-bottom: 12px;\n            line-height: 1.4;\n        }\n        \n        .faq-answer {\n            color: #333;\n            font-size: 1.05em;\n            line-height: 1.6;\n            padding-left: 20px;\n        }\n        \n        .cta-section {\n            padding: 40px 30px;\n            background: linear-gradient(135deg, #e1f0fa 0%, #a0c4e0 100%);\n            text-align: center;\n            border-radius: 10px;\n            margin: 30px;\n        }\n        \n        .cta-title {\n            font-size: 1.6em;\n            color: #0054A6;\n            margin-bottom: 15px;\n            font-weight: 600;\n        }\n        \n        .cta-description {\n            font-size: 1.05em;\n            color: #555;\n            max-width: 600px;\n            margin: 0 auto 25px;\n        }\n        \n        .contact-button {\n            display: inline-block;\n            background: #0054A6;\n            color: white;\n            padding: 14px 35px;\n            font-size: 1.05em;\n            font-weight: 600;\n            text-decoration: none;\n            border-radius: 50px;\n            transition: all 0.3s ease;\n            border: 2px solid #0054A6;\n            margin: 5px 10px;\n        }\n        \n        .contact-button:hover {\n            background: white;\n            color: #0054A6;\n            transform: translateY(-2px);\n            box-shadow: 0 5px 15px rgba(0,84,166,0.2);\n        }\n        \n        .contact-button.secondary {\n            background: #ffb74d;\n            border-color: #ffb74d;\n            color: #333;\n        }\n        \n        .contact-button.secondary:hover {\n            background: white;\n            color: #ffb74d;\n        }\n        \n        .german-badge {\n            display: inline-block;\n            background: #000;\n            color: #ffb74d;\n            padding: 6px 15px;\n            border-radius: 15px;\n            font-weight: bold;\n            font-size: 0.85em;\n            margin-left: 10px;\n            vertical-align: middle;\n        }\n        \n        .quiet-badge {\n            display: inline-block;\n            background: #7b1fa2;\n            color: white;\n            padding: 6px 15px;\n            border-radius: 15px;\n            font-weight: bold;\n            font-size: 0.85em;\n            margin-left: 10px;\n            vertical-align: middle;\n        }\n        \n        .high-airflow-badge {\n            display: inline-block;\n            background: #00796b;\n            color: white;\n            padding: 6px 15px;\n            border-radius: 15px;\n            font-weight: bold;\n            font-size: 0.85em;\n            margin-left: 10px;\n            vertical-align: middle;\n        }\n        \n        .energy-saving-badge {\n            display: inline-block;\n            background: #2e7d32;\n            color: white;\n            padding: 6px 15px;\n            border-radius: 15px;\n            font-weight: bold;\n            font-size: 0.85em;\n            margin-left: 10px;\n            vertical-align: middle;\n        }\n        \n        .three-phase-badge {\n            display: inline-block;\n            background: #5d4037;\n            color: white;\n            padding: 6px 15px;\n            border-radius: 15px;\n            font-weight: bold;\n            font-size: 0.85em;\n            margin-left: 10px;\n            vertical-align: middle;\n        }\n        \n        .industrial-badge {\n            display: inline-block;\n            background: #d84315;\n            color: white;\n            padding: 6px 15px;\n            border-radius: 15px;\n            font-weight: bold;\n            font-size: 0.85em;\n            margin-left: 10px;\n            vertical-align: middle;\n        }\n        \n        .dual-speed-badge {\n            display: inline-block;\n            background: #ff8f00;\n            color: white;\n            padding: 6px 15px;\n            border-radius: 15px;\n            font-weight: bold;\n            font-size: 0.85em;\n            margin-left: 10px;\n            vertical-align: middle;\n        }\n        \n        .dual-power-badge {\n            display: inline-block;\n            background: #5c6bc0;\n            color: white;\n            padding: 6px 15px;\n            border-radius: 15px;\n            font-weight: bold;\n            font-size: 0.85em;\n            margin-left: 10px;\n            vertical-align: middle;\n        }\n        \n        @media (max-width: 1024px) {\n            .benefits-grid {\n                grid-template-columns: repeat(2, 1fr);\n                gap: 20px;\n            }\n            \n            .applications-grid {\n                grid-template-columns: repeat(2, 1fr);\n            }\n        }\n        \n        @media (max-width: 768px) {\n            .product-title {\n                font-size: 2em;\n            }\n            \n            .product-subtitle {\n                font-size: 1.1em;\n            }\n            \n            .section-title {\n                font-size: 1.6em;\n            }\n            \n            .benefits-grid {\n                grid-template-columns: 1fr;\n                gap: 20px;\n            }\n            \n            .applications-grid {\n                grid-template-columns: 1fr;\n            }\n            \n            .specs-table td {\n                padding: 12px 15px;\n                display: block;\n                width: 100%;\n            }\n            \n            .specs-table td:first-child {\n                width: 100%;\n                background-color: #f0f8ff;\n                border-bottom: none;\n                padding-bottom: 5px;\n                font-weight: 700;\n            }\n            \n            .specs-table tr {\n                display: block;\n                margin-bottom: 15px;\n                border-bottom: 2px solid #e9ecef;\n                padding-bottom: 15px;\n                background: white;\n            }\n            \n            .specs-table tr:nth-child(even) {\n                background: white;\n            }\n            \n            .shipping-section, .faq-section, .cta-section, .applications-section {\n                margin: 20px 15px;\n                padding: 30px 20px;\n            }\n            \n            .faq-question {\n                font-size: 1.15em;\n            }\n            \n            .benefit-card {\n                padding: 20px 15px;\n            }\n            \n            .benefit-icon {\n                font-size: 2.5em;\n                height: 50px;\n            }\n            \n            .contact-button {\n                display: block;\n                margin: 10px auto;\n                width: 90%;\n                max-width: 300px;\n            }\n        }\n        \n        @media (max-width: 480px) {\n            body {\n                padding: 15px;\n            }\n            \n            .product-header {\n                padding: 35px 20px;\n            }\n            \n            .benefits-section, .datasheet-section, .faq-section, .applications-section {\n                padding: 35px 20px;\n            }\n            \n            .product-title {\n                font-size: 1.7em;\n            }\n            \n            .product-subtitle {\n                font-size: 1em;\n            }\n            \n            .section-title {\n                font-size: 1.4em;\n            }\n            \n            .feature-badge {\n                font-size: 1em;\n                padding: 6px 15px;\n            }\n            \n            .application-item {\n                padding: 15px;\n            }\n        }\n    \u003c\/style\u003e\n\u003cdiv class=\"product-container\"\u003e\n\u003cdiv class=\"product-header\"\u003e\n\u003ch1 class=\"product-title\"\u003eZIEHL-ABEGG GR40M-VDK.4F.1R Centrifugal Fan\u003c\/h1\u003e\n\u003cdiv class=\"feature-badge\"\u003eDual-Speed High-Performance Centrifugal Fan\u003c\/div\u003e\n\u003cp class=\"product-subtitle\"\u003eProfessional 0.30\/0.77KW dual-power centrifugal fan with 1530\/950 RPM dual-speed operation and 3-phase 400-460V compatibility, engineered for exceptional durability exceeding 10 years, ultra-quiet performance, energy-efficient operation with substantial airflow, and reliable pressure development for demanding commercial and industrial applications.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"benefits-section\"\u003e\n\u003ch2 class=\"section-title\"\u003eCore Performance Advantages\u003c\/h2\u003e\n\u003cdiv class=\"benefits-grid\"\u003e\n\u003cdiv class=\"benefit-card\"\u003e\n\u003cspan class=\"benefit-icon\"\u003e⏳\u003c\/span\u003e\n\u003ch3 class=\"benefit-title\"\u003e10+ Years Industrial Durability\u003c\/h3\u003e\n\u003cp class=\"benefit-description\"\u003eGerman-engineered ZIEHL-ABEGG construction with 19kg robust centrifugal design ensures reliable, long-term operation exceeding 10+ years in demanding industrial environments. Premium industrial-grade materials, precision-balanced centrifugal impeller, heavy-duty three-phase motor components, and reinforced scroll housing guarantee exceptional lifespan for continuous operation in commercial and industrial applications requiring maximum reliability with three-phase power efficiency and robust performance.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"benefit-card\"\u003e\n\u003cspan class=\"benefit-icon\"\u003e🔇\u003c\/span\u003e\n\u003ch3 class=\"benefit-title\"\u003eUltra-Quiet Dual-Speed Operation\u003c\/h3\u003e\n\u003cp class=\"benefit-description\"\u003eOptimized 1530\/950 RPM dual-speed operation provides exceptionally quiet performance for a three-phase centrifugal fan, ideal for commercial buildings, industrial facilities, and applications where noise control is essential. Advanced centrifugal aerodynamics with optimized impeller and scroll design minimize turbulence and operational noise across both speed settings. Precision balancing of the heavy-duty rotating assembly ensures smooth, vibration-free operation even at maximum speed output, reducing acoustic emissions in sensitive environments.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"benefit-card\"\u003e\n\u003cspan class=\"benefit-icon\"\u003e⚡\u003c\/span\u003e\n\u003ch3 class=\"benefit-title\"\u003eEnergy Efficient Dual Power (0.30\/0.77KW)\u003c\/h3\u003e\n\u003cp class=\"benefit-description\"\u003eDual power rating (0.30KW\/0.77KW) with efficient 0.54\/1.35A current draw provides optimal energy efficiency for three-phase 400-460V high-performance applications. Advanced three-phase motor design maximizes efficiency while delivering substantial airflow and pressure performance. Three-phase operation ensures superior torque characteristics, smooth operation, and compatibility with industrial power systems, offering optimal power utilization and reduced operating costs in commercial and industrial settings with varying load requirements.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"benefit-card\"\u003e\n\u003cspan class=\"benefit-icon\"\u003e💨\u003c\/span\u003e\n\u003ch3 class=\"benefit-title\"\u003eHigh Airflow \u0026amp; Effective Cooling\u003c\/h3\u003e\n\u003cp class=\"benefit-description\"\u003eEfficient centrifugal design at 1530\/950 RPM generates substantial airflow with excellent pressure development for demanding commercial and industrial applications. 60×60×50cm industrial design provides superior performance with excellent pressure characteristics, making it ideal for applications requiring substantial airflow against system resistance in HVAC systems, industrial ventilation, and process applications where overcoming duct pressure loss is essential for system efficiency and reliability.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"applications-section\"\u003e\n\u003ch2 class=\"section-title\"\u003eIndustry Applications\u003c\/h2\u003e\n\u003cp class=\"product-subtitle\" style=\"text-align: center; margin-bottom: 30px; color: #555;\"\u003eThe GR40M-VDK.4F.1R high-performance centrifugal fan is engineered for demanding commercial and industrial applications requiring reliable, efficient three-phase 400-460V airflow solutions with dual-speed flexibility, substantial power, minimal noise, and exceptional performance in pressure-critical environments with industrial power infrastructure.\u003c\/p\u003e\n\u003cdiv class=\"applications-grid\"\u003e\n\u003cdiv class=\"application-item\"\u003e\n\u003cspan class=\"app-icon\"\u003e💨\u003c\/span\u003e \u003cspan class=\"app-name\"\u003eIndustrial Ventilation Systems\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"application-item\"\u003e\n\u003cspan class=\"app-icon\"\u003e❄️\u003c\/span\u003e \u003cspan class=\"app-name\"\u003eCommercial Air Conditioning\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"application-item\"\u003e\n\u003cspan class=\"app-icon\"\u003e🧊\u003c\/span\u003e \u003cspan class=\"app-name\"\u003eIndustrial Refrigeration\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"application-item\"\u003e\n\u003cspan class=\"app-icon\"\u003e🔥\u003c\/span\u003e \u003cspan class=\"app-name\"\u003eCommercial Heating Systems\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"application-item\"\u003e\n\u003cspan class=\"app-icon\"\u003e⚙️\u003c\/span\u003e \u003cspan class=\"app-name\"\u003eElectrical Automation Systems\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"application-item\"\u003e\n\u003cspan class=\"app-icon\"\u003e🔌\u003c\/span\u003e \u003cspan class=\"app-name\"\u003eIndustrial Frequency Converters\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"application-item\"\u003e\n\u003cspan class=\"app-icon\"\u003e🚄\u003c\/span\u003e \u003cspan class=\"app-name\"\u003eRail Transportation HVAC\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"application-item\"\u003e\n\u003cspan class=\"app-icon\"\u003e🏭\u003c\/span\u003e \u003cspan class=\"app-name\"\u003eHVAC (FFU\/AHU) Systems\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"application-item\"\u003e\n\u003cspan class=\"app-icon\"\u003e🌫️\u003c\/span\u003e \u003cspan class=\"app-name\"\u003eIndustrial Air Purification\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"application-item\"\u003e\n\u003cspan class=\"app-icon\"\u003e🚗\u003c\/span\u003e \u003cspan class=\"app-name\"\u003eNew Energy Vehicle Manufacturing\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"application-item\"\u003e\n\u003cspan class=\"app-icon\"\u003e🏢\u003c\/span\u003e \u003cspan class=\"app-name\"\u003eCommercial Building Pressurization\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"application-item\"\u003e\n\u003cspan class=\"app-icon\"\u003e🏭\u003c\/span\u003e \u003cspan class=\"app-name\"\u003eFactory Exhaust Systems\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"application-item\"\u003e\n\u003cspan class=\"app-icon\"\u003e🎛️\u003c\/span\u003e \u003cspan class=\"app-name\"\u003eIndustrial Control Systems\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"application-item\"\u003e\n\u003cspan class=\"app-icon\"\u003e⚡\u003c\/span\u003e \u003cspan class=\"app-name\"\u003ePower Electronics Cooling\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"application-item\"\u003e\n\u003cspan class=\"app-icon\"\u003e🏥\u003c\/span\u003e \u003cspan class=\"app-name\"\u003eHospital HVAC Systems\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"application-item\"\u003e\n\u003cspan class=\"app-icon\"\u003e🛒\u003c\/span\u003e \u003cspan class=\"app-name\"\u003eLarge Retail HVAC\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"application-item\"\u003e\n\u003cspan class=\"app-icon\"\u003e🍽️\u003c\/span\u003e \u003cspan class=\"app-name\"\u003eCommercial Kitchen Exhaust\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"application-item\"\u003e\n\u003cspan class=\"app-icon\"\u003e🏢\u003c\/span\u003e \u003cspan class=\"app-name\"\u003eData Center Cooling\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"application-item\"\u003e\n\u003cspan class=\"app-icon\"\u003e🔬\u003c\/span\u003e \u003cspan class=\"app-name\"\u003eLaboratory Ventilation\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"application-item\"\u003e\n\u003cspan class=\"app-icon\"\u003e🏗️\u003c\/span\u003e \u003cspan class=\"app-name\"\u003eIndustrial Process Cooling\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"datasheet-section\"\u003e\n\u003ch2 class=\"datasheet-header\"\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0451\/4149\/1868\/files\/ZIEHL-ABEGG-Centrifugal-fans.pdf?v=1752036236\" title=\"GR40M-VDK.4F.1R datasheet\" rel=\"noopener\" target=\"_blank\"\u003eDATASHEET\u003c\/a\u003e\u003c\/h2\u003e\n\u003ch2 class=\"section-title\"\u003eTechnical Specifications\u003c\/h2\u003e\n\u003ctable class=\"specs-table\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel Number\u003c\/td\u003e\n\u003ctd\u003eGR40M-VDK.4F.1R\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eArticle Number\u003c\/td\u003e\n\u003ctd\u003e111707\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMotor Number\u003c\/td\u003e\n\u003ctd\u003eRH40M-VDK.4F.1R\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eManufacturer\u003c\/td\u003e\n\u003ctd\u003eZIEHL-ABEGG \u003cspan class=\"german-badge\"\u003eGERMANY\u003c\/span\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Type\u003c\/td\u003e\n\u003ctd\u003eCentrifugal Fan \u003cspan class=\"centrifugal-badge\"\u003eINDUSTRIAL GRADE\u003c\/span\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCondition\u003c\/td\u003e\n\u003ctd\u003eOriginal new from manufacturer\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRated Power\u003c\/td\u003e\n\u003ctd class=\"efficiency-cell\"\u003e0.30\/0.77 KW \u003cspan class=\"dual-power-badge\"\u003eDUAL POWER\u003c\/span\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRated Voltage\u003c\/td\u003e\n\u003ctd class=\"highlight-cell\"\u003e3~400-460 V \u003cspan class=\"three-phase-badge\"\u003eTHREE PHASE\u003c\/span\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFrequency\u003c\/td\u003e\n\u003ctd\u003e50\/60 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRated Current\u003c\/td\u003e\n\u003ctd\u003e0.54\/1.35 A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSpeed\u003c\/td\u003e\n\u003ctd class=\"high-airflow-cell\"\u003e1530\/950 rpm \u003cspan class=\"dual-speed-badge\"\u003eDUAL SPEED\u003c\/span\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNet Weight\u003c\/td\u003e\n\u003ctd class=\"durable-cell\"\u003e19 kg \u003cspan class=\"industrial-badge\"\u003eHEAVY DUTY\u003c\/span\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eShipping Dimension\u003c\/td\u003e\n\u003ctd\u003e60 × 60 × 50 cm \u003cspan class=\"centrifugal-badge\"\u003eINDUSTRIAL SIZE\u003c\/span\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCountry of Origin\u003c\/td\u003e\n\u003ctd\u003eGermany\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHS Code\u003c\/td\u003e\n\u003ctd\u003e8414599099\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWarranty\u003c\/td\u003e\n\u003ctd class=\"highlight-cell\"\u003e1 Year Manufacturer Warranty\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"shipping-section\"\u003e\n\u003ch2 class=\"shipping-title\"\u003eShipping, Warranty \u0026amp; Service\u003c\/h2\u003e\n\u003cdiv class=\"shipping-details\"\u003e\n\u003cp\u003e\u003cstrong\u003eShipping Hub:\u003c\/strong\u003e Dispatched from \u003cstrong\u003eHong Kong\u003c\/strong\u003e for efficient global distribution.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eProcessing Time:\u003c\/strong\u003e Orders are processed and ready to ship within \u003cstrong\u003e5 business days\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eExpress Delivery:\u003c\/strong\u003e Estimated delivery in \u003cstrong\u003e3-8 business days\u003c\/strong\u003e worldwide via \u003cstrong\u003eDHL or UPS\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWarranty:\u003c\/strong\u003e Backed by a full \u003cstrong\u003e1-year manufacturer's warranty\u003c\/strong\u003e from ZIEHL-ABEGG.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eProduct Guarantee:\u003c\/strong\u003e We sell only genuine ZIEHL-ABEGG products guaranteed to meet all factory specifications for fit, form, and function.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCustomer Satisfaction:\u003c\/strong\u003e Enjoy a \u003cstrong\u003e30-day return policy\u003c\/strong\u003e and our commitment to \u003cstrong\u003e100% customer satisfaction\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cdiv class=\"bulk-inquiry\"\u003e\n\u003cp\u003e\u003cstrong\u003eFor Large Quantity Inquiries:\u003c\/strong\u003e Please contact our sales team at \u003cstrong\u003esales@axialfanz.com\u003c\/strong\u003e for volume pricing and custom quotations for ZIEHL-ABEGG products.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-section\"\u003e\n\u003ch2 class=\"faq-title\"\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003ch3 class=\"faq-question\"\u003eQ1: How does the ZIEHL-ABEGG GR40M-VDK.4F.1R centrifugal fan with 19kg heavy-duty construction ensure 10+ years of reliable service in demanding industrial applications?\u003c\/h3\u003e\n\u003cp class=\"faq-answer\"\u003e\u003cstrong\u003eA:\u003c\/strong\u003e The \u003cstrong\u003e19kg heavy-duty centrifugal construction with industrial-grade components\u003c\/strong\u003e provides exceptional durability exceeding 10+ years of continuous operation in demanding industrial environments. ZIEHL-ABEGG's German engineering excellence includes industrial-grade ball bearings specifically rated for three-phase centrifugal applications (minimum 60,000 hours), thermally optimized three-phase motor windings designed for continuous dual-power operation, reinforced scroll housing with heavy-gauge materials to withstand industrial pressure forces, and premium-grade electrical insulation rated for 0.77KW three-phase operation. This high-performance centrifugal fan delivers reliable performance in critical industrial applications such as large HVAC systems, industrial ventilation, and manufacturing processes. The centrifugal impeller design with precision dynamic balancing and reinforced blade geometry handles substantial loads while minimizing mechanical stress on components.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003ch3 class=\"faq-question\"\u003eQ2: How does this three-phase centrifugal fan achieve ultra-quiet operation across dual-speed settings (1530\/950 RPM) in noise-sensitive commercial and industrial applications?\u003c\/h3\u003e\n\u003cp class=\"faq-answer\"\u003e\u003cstrong\u003eA:\u003c\/strong\u003e The \u003cstrong\u003eoptimized 1530\/950 RPM dual-speed operation combined with advanced acoustic engineering\u003c\/strong\u003e provides exceptionally quiet performance for a three-phase centrifugal fan. The centrifugal design with aerodynamically optimized impeller blades and carefully engineered scroll housing produces smooth airflow with minimal turbulence, resulting in lower aerodynamic noise across both speed settings. Precision dynamic balancing of the heavy-duty rotating assembly significantly reduces vibration and mechanical noise transmission. The 60×60×50cm industrial construction incorporates advanced noise-damping features in the scroll housing, optimized airflow paths that minimize turbulence, and vibration-isolating mounting options. Advanced three-phase motor technology with optimized magnetic circuits and smooth operation reduces electromagnetic noise. These engineering features combine to make this high-performance fan exceptionally quiet for its industrial performance class.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003ch3 class=\"faq-question\"\u003eQ3: How does the dual power rating (0.30\/0.77KW) with three-phase operation provide optimal energy efficiency for industrial applications with varying load requirements?\u003c\/h3\u003e\n\u003cp class=\"faq-answer\"\u003e\u003cstrong\u003eA:\u003c\/strong\u003e The \u003cstrong\u003edual power rating (0.30KW\/0.77KW) with three-phase 400-460V operation\u003c\/strong\u003e offers exceptional energy efficiency and operational flexibility for industrial applications. The dual-power capability allows operators to select the appropriate power level based on specific cooling requirements, optimizing energy consumption for different operating conditions and seasonal variations. Three-phase operation provides superior efficiency compared to single-phase systems, with better power factor characteristics and smoother torque delivery. The favorable current draw characteristics (0.54A at lower power, 1.35A at higher power) indicate well-designed motor efficiency. This makes the fan ideal for applications with variable load requirements, such as industrial processes with production cycles, HVAC systems with seasonal variations, and facilities implementing energy management strategies with dual-speed operation flexibility.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003ch3 class=\"faq-question\"\u003eQ4: What specific advantages does the GR40M-VDK.4F.1R dual-speed three-phase centrifugal fan offer for modern industrial HVAC, manufacturing ventilation, and applications requiring operational flexibility with industrial power infrastructure?\u003c\/h3\u003e\n\u003cp class=\"faq-answer\"\u003e\u003cstrong\u003eA:\u003c\/strong\u003e The \u003cstrong\u003eGR40M-VDK.4F.1R with 60×60×50cm industrial design, three-phase 400-460V operation, dual-speed 1530\/950 RPM, and 0.30\/0.77KW dual-power rating\u003c\/strong\u003e provides unique advantages for industrial applications. Key advantages include: 1) Dual-speed operation providing flexibility for varying airflow requirements and noise control; 2) Three-phase power efficiency with superior torque characteristics for demanding industrial environments; 3) Industrial size suitable for medium to large ventilation systems; 4) Dual-power capability for energy optimization based on operational requirements; 5) 19kg robust construction ensuring reliable operation in harsh industrial environments. For industrial HVAC applications, it provides efficient cooling for air handling units, manufacturing facilities, and process cooling systems where operational flexibility, reliability, and performance are critical for production continuity and system efficiency.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"cta-section\"\u003e\n\u003ch2 class=\"cta-title\"\u003eNeed Dual-Speed Centrifugal Fan Solutions?\u003c\/h2\u003e\n\u003cp class=\"cta-description\"\u003eContact our technical specialists for application-specific recommendations, performance data, or volume pricing for your industrial ventilation and cooling requirements with flexible speed control.\u003c\/p\u003e\n\u003ca href=\"mailto:sales@example.com?subject=Inquiry%20about%20ZIEHL-ABEGG%20GR40M-VDK.4F.1R\" class=\"contact-button\"\u003eRequest Technical Support\u003c\/a\u003e \u003ca href=\"mailto:sales@axialfanz.com?subject=Bulk%20Inquiry%20ZIEHL-ABEGG%20GR40M-VDK.4F.1R\" class=\"contact-button secondary\"\u003eRequest Volume Pricing\u003c\/a\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"ZIEHL-ABEGG","offers":[{"title":"GR40M-VDK.4F.1R With Housing","offer_id":47336294088956,"sku":"GR40M-VDK.4F.1R","price":2100.0,"currency_code":"USD","in_stock":false},{"title":"Only Fan For GR40M-VDK.4F.1R Without Housing","offer_id":47336294121724,"sku":"GR40M-VDK.4F.1R-1","price":799.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0451\/4149\/1868\/files\/GR40M-VDK.4F.1R.webp?v=1752649621","url":"https:\/\/axialfanz.com\/ml\/products\/gr40m-vdk-4f-1r","provider":"AxialFan","version":"1.0","type":"link"}