{"product_id":"j-d-manufacturing-direct-drive-storm-exhaust-fan-55-inch","title":"J\u0026D Manufacturing Direct Drive Storm Exhaust Fan, 55 Inch","description":"\u003cp\u003eThe J\u0026amp;D Manufacturing Direct Drive Storm 55\" Exhaust Fan brings next-generation motor technology to high-volume barn and greenhouse ventilation. Built around a totally enclosed, IP65-rated permanent magnet direct-drive motor with an onboard variable speed driver, this fan delivers precise, infinitely variable airflow control without a VFD - simplifying installation and eliminating the cost and complexity of external drives. With no belts, pulleys, bearings, tensioners, or greasing required, the Direct Drive Storm is essentially maintenance-free, while soft-start functionality and surge protection extend fan life in demanding agricultural and industrial environments. Available in single-phase (230V) and three-phase (208-230V or 460V) configurations with aluminum or poly shutter options.\u003c\/p\u003e\n\n\u003ch3\u003eFeatures \u0026amp; Benefits\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePermanent Magnet Direct-Drive Motor - No VFD Needed:\u003c\/strong\u003e Variable speed control is built in via an onboard driver, eliminating the need for an external Variable Frequency Drive and simplifying installation and wiring.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTotally Enclosed IP65-Rated Motor:\u003c\/strong\u003e Fully sealed against dust and moisture ingress, the high-efficiency PM motor runs cooler than conventional motors, extending longevity and reducing failure risk in humid agricultural environments.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eZero Maintenance Design:\u003c\/strong\u003e No belts, pulleys, bearings, tensioners, or grease points - dramatically reduces scheduled maintenance and unplanned downtime over the life of the fan.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSoft Start:\u003c\/strong\u003e Gradual motor ramp-up on each start reduces mechanical stress and extends fan life.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSurge Protected:\u003c\/strong\u003e Built-in surge protection safeguards the motor and onboard driver from electrical spikes common in agricultural environments.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLighter Weight:\u003c\/strong\u003e Reduced motor weight compared to conventional designs makes assembly and installation easier, especially in overhead or difficult-access locations.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAluminum or Poly Shutter Options:\u003c\/strong\u003e Choose aluminum shutters for lightweight durability or poly shutters for added corrosion resistance.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eGalvanized Propeller \u0026amp; UV-Resistant Components:\u003c\/strong\u003e Corrosion-resistant galvanized prop and UV-resistant housing materials stand up to years of outdoor and agricultural use.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAerodynamic Fiberglass Housing with Slanted Poly Cone:\u003c\/strong\u003e Optimized airflow geometry delivers up to 34,763 CFM with industry-leading efficiency ratings validated in an AMCA-accredited air test chamber.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBroad Application Range:\u003c\/strong\u003e Engineered for dairy, poultry, swine, greenhouse, and industrial ventilation where reliable, energy-efficient high-volume exhaust is critical.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003chr\u003e\n\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003cthead\u003e\n    \u003ctr\u003e\n      \u003cth\u003ePart #\u003c\/th\u003e\n      \u003cth\u003eMotor\u003c\/th\u003e\n      \u003cth\u003eVolts\u003c\/th\u003e\n      \u003cth\u003eAmps\u003c\/th\u003e\n      \u003cth\u003ePhase\u003c\/th\u003e\n      \u003cth\u003eRPM\u003c\/th\u003e\n      \u003cth\u003eShutter\u003c\/th\u003e\n      \u003cth\u003eCFM @ 0\" SP\u003c\/th\u003e\n      \u003cth\u003eCFM @ 0.05\" SP\u003c\/th\u003e\n      \u003cth\u003eCFM @ 0.10\" SP\u003c\/th\u003e\n      \u003cth\u003eCFM @ 0.15\" SP\u003c\/th\u003e\n      \u003cth\u003eCFM @ 0.20\" SP\u003c\/th\u003e\n      \u003cth\u003eFEI @ 0.10\"\u003c\/th\u003e\n      \u003cth\u003eRough-In Dims\u003c\/th\u003e\n    \u003c\/tr\u003e\n  \u003c\/thead\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003ctd\u003eVSA55G3CPM221AG-SL\u003c\/td\u003e\n\u003ctd\u003e2.2 kW PM-DD\u003c\/td\u003e\n\u003ctd\u003e230\u003c\/td\u003e\n\u003ctd\u003e13.0\u003c\/td\u003e\n\u003ctd\u003e1\u003c\/td\u003e\n\u003ctd\u003e600\u003c\/td\u003e\n\u003ctd\u003eAluminum\u003c\/td\u003e\n\u003ctd\u003e34,763\u003c\/td\u003e\n\u003ctd\u003e33,326\u003c\/td\u003e\n\u003ctd\u003e31,813\u003c\/td\u003e\n\u003ctd\u003e30,101\u003c\/td\u003e\n\u003ctd\u003e28,333\u003c\/td\u003e\n\u003ctd\u003e2.00\u003c\/td\u003e\n\u003ctd\u003e59¾\" W x 59¾\" H\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eVSP55G3CPM221AG-SL\u003c\/td\u003e\n\u003ctd\u003e2.2 kW PM-DD\u003c\/td\u003e\n\u003ctd\u003e230\u003c\/td\u003e\n\u003ctd\u003e13.0\u003c\/td\u003e\n\u003ctd\u003e1\u003c\/td\u003e\n\u003ctd\u003e600\u003c\/td\u003e\n\u003ctd\u003ePoly\u003c\/td\u003e\n\u003ctd\u003e33,949\u003c\/td\u003e\n\u003ctd\u003e32,588\u003c\/td\u003e\n\u003ctd\u003e30,891\u003c\/td\u003e\n\u003ctd\u003e29,205\u003c\/td\u003e\n\u003ctd\u003e27,044\u003c\/td\u003e\n\u003ctd\u003e1.88\u003c\/td\u003e\n\u003ctd\u003e59¾\" W x 59¾\" H\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eVSA55G3CPM223BG-SL\u003c\/td\u003e\n\u003ctd\u003e2.2 kW PM-DD\u003c\/td\u003e\n\u003ctd\u003e208-230\u003c\/td\u003e\n\u003ctd\u003e8.6-7.7\u003c\/td\u003e\n\u003ctd\u003e3\u003c\/td\u003e\n\u003ctd\u003e600\u003c\/td\u003e\n\u003ctd\u003eAluminum\u003c\/td\u003e\n\u003ctd\u003e34,638\u003c\/td\u003e\n\u003ctd\u003e32,953\u003c\/td\u003e\n\u003ctd\u003e31,370\u003c\/td\u003e\n\u003ctd\u003e29,998\u003c\/td\u003e\n\u003ctd\u003e28,327\u003c\/td\u003e\n\u003ctd\u003e2.00\u003c\/td\u003e\n\u003ctd\u003e59¾\" W x 59¾\" H\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eVSA55G3CPM223CG-SL\u003c\/td\u003e\n\u003ctd\u003e2.2 kW PM-DD\u003c\/td\u003e\n\u003ctd\u003e460\u003c\/td\u003e\n\u003ctd\u003e4.0\u003c\/td\u003e\n\u003ctd\u003e3\u003c\/td\u003e\n\u003ctd\u003e600\u003c\/td\u003e\n\u003ctd\u003eAluminum\u003c\/td\u003e\n\u003ctd\u003e34,582\u003c\/td\u003e\n\u003ctd\u003e32,998\u003c\/td\u003e\n\u003ctd\u003e31,469\u003c\/td\u003e\n\u003ctd\u003e29,894\u003c\/td\u003e\n\u003ctd\u003e28,288\u003c\/td\u003e\n\u003ctd\u003e2.04\u003c\/td\u003e\n\u003ctd\u003e59¾\" W x 59¾\" H\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eVSP55G3CPM223BG-SL\u003c\/td\u003e\n\u003ctd\u003e2.2 kW PM-DD\u003c\/td\u003e\n\u003ctd\u003e208-230\u003c\/td\u003e\n\u003ctd\u003e8.6-7.7\u003c\/td\u003e\n\u003ctd\u003e3\u003c\/td\u003e\n\u003ctd\u003e600\u003c\/td\u003e\n\u003ctd\u003ePoly\u003c\/td\u003e\n\u003ctd\u003e33,807\u003c\/td\u003e\n\u003ctd\u003e32,319\u003c\/td\u003e\n\u003ctd\u003e30,577\u003c\/td\u003e\n\u003ctd\u003e28,835\u003c\/td\u003e\n\u003ctd\u003e27,081\u003c\/td\u003e\n\u003ctd\u003e1.90\u003c\/td\u003e\n\u003ctd\u003e59¾\" W x 59¾\" H\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eVSP55G3CPM223CG-SL\u003c\/td\u003e\n\u003ctd\u003e2.2 kW PM-DD\u003c\/td\u003e\n\u003ctd\u003e460\u003c\/td\u003e\n\u003ctd\u003e4.0\u003c\/td\u003e\n\u003ctd\u003e3\u003c\/td\u003e\n\u003ctd\u003e600\u003c\/td\u003e\n\u003ctd\u003ePoly\u003c\/td\u003e\n\u003ctd\u003e34,223\u003c\/td\u003e\n\u003ctd\u003e32,690\u003c\/td\u003e\n\u003ctd\u003e30,974\u003c\/td\u003e\n\u003ctd\u003e29,127\u003c\/td\u003e\n\u003ctd\u003e27,275\u003c\/td\u003e\n\u003ctd\u003e1.92\u003c\/td\u003e\n\u003ctd\u003e59¾\" W x 59¾\" H\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e","brand":"J\u0026D Manufacturing","offers":[{"title":"31,813 CFM","offer_id":51325573234966,"sku":"VSA55G3CPM221AG-SL","price":3674.65,"currency_code":"USD","in_stock":true},{"title":"31,469 CFM","offer_id":51325574119702,"sku":"VSA55G3CPM223CG-SL","price":3520.99,"currency_code":"USD","in_stock":true},{"title":"31,370 CFM","offer_id":51325574578454,"sku":"VSA55G3CPM223BG-SL","price":3674.65,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0910\/5912\/6550\/files\/DirectDriveStorm.webp?v=1779227814","url":"https:\/\/hydrobuilder.com\/products\/j-d-manufacturing-direct-drive-storm-exhaust-fan-55-inch","provider":"Hydrobuilder","version":"1.0","type":"link"}