{"product_id":"8-axial-ac-plastic-blower","title":"8\" Axial AC Plastic Blower","description":"\u003ch2\u003eAllegro 8\" Axial AC Plastic Blower — Lightweight, High-Output Confined Space Ventilation\u003c\/h2\u003e\n\u003cp\u003eThe Allegro 8\" Axial AC Plastic Blower (Item #9533) is a compact, 1\/3 HP electric blower engineered for confined space ventilation in construction, utilities, refinery, and industrial applications. Built with a corrosion-, UV-, and chemical-resistant polyethylene housing and a nine-blade polypropylene fan, it delivers up to 831 CFM of free-air airflow while remaining lightweight and easy to transport. The unit is UL Recognized, CSA Certified, and CE Certified, making it suitable for a wide range of job site environments. It can be configured as a blower only or as a complete system with ducting and a storage canister.\u003c\/p\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eDetails\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eALLEGRO\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eItem #\u003c\/td\u003e\n\u003ctd\u003e9533\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUPC\u003c\/td\u003e\n\u003ctd\u003e741851953304\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e17 lbs. (blower only)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCountry of Origin\u003c\/td\u003e\n\u003ctd\u003eChina\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMotor\u003c\/td\u003e\n\u003ctd\u003e1\/3 HP\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVoltage\u003c\/td\u003e\n\u003ctd\u003e115V–230V AC, 50\/60 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAirflow — Free Air\u003c\/td\u003e\n\u003ctd\u003e831 CFM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAirflow — One 90° Bend\u003c\/td\u003e\n\u003ctd\u003e709 CFM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAirflow — Two 90° Bends\u003c\/td\u003e\n\u003ctd\u003e586 CFM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHousing Material\u003c\/td\u003e\n\u003ctd\u003ePolyethylene (lightweight, corrosion-, UV-, and chemical-resistant)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFan Blades\u003c\/td\u003e\n\u003ctd\u003ePolypropylene nine-blade fan\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGrill\u003c\/td\u003e\n\u003ctd\u003eSteel \/ powder-coated\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eColor\u003c\/td\u003e\n\u003ctd\u003eSafety orange\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCertifications\u003c\/td\u003e\n\u003ctd\u003eUL Recognized, CSA Certified, CE Certified\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eApplications\u003c\/td\u003e\n\u003ctd\u003eConstruction, Utilities, Confined Space, Refinery\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTechnical Tips\u003c\/td\u003e\n\u003ctd\u003ePair with Allegro standard ducting\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFunction\u003c\/td\u003e\n\u003ctd\u003eCan ventilate or exhaust\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eAvailable Items\u003c\/h3\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eItem #\u003c\/th\u003e\n\u003cth\u003eDescription\u003c\/th\u003e\n\u003cth\u003eConfiguration\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e9533\u003c\/td\u003e\n\u003ctd\u003e8\" Axial AC Plastic Blower without canister — 17 lbs.\u003c\/td\u003e\n\u003ctd\u003eBlower only\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e9533-E\u003c\/td\u003e\n\u003ctd\u003e8\" Axial AC Plastic Blower (220V AC\/50 Hz) — Does NOT meet CSA C22.2 No. 113 requirements\u003c\/td\u003e\n\u003ctd\u003eBlower only (220V AC\/50 Hz)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e9533-15\u003c\/td\u003e\n\u003ctd\u003e8\" Axial AC Plastic Blower with compact canister and 15' ducting — 25 lbs.\u003c\/td\u003e\n\u003ctd\u003eBlower + canister + 15' ducting\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e9533-15E\u003c\/td\u003e\n\u003ctd\u003e8\" Axial AC Plastic Blower with compact canister and 15' ducting (220V AC\/50 Hz)\u003c\/td\u003e\n\u003ctd\u003eBlower + canister + 15' ducting (220V)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e9533-25\u003c\/td\u003e\n\u003ctd\u003e8\" Axial AC Plastic Blower with compact canister and 25' ducting — 30 lbs.\u003c\/td\u003e\n\u003ctd\u003eBlower + canister + 25' ducting\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e9533-25E\u003c\/td\u003e\n\u003ctd\u003e8\" Axial AC Plastic Blower with compact canister and 25' ducting (220V AC\/50 Hz)\u003c\/td\u003e\n\u003ctd\u003eBlower + canister + 25' ducting (220V)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e9533-50\u003c\/td\u003e\n\u003ctd\u003e8\" Axial AC Plastic Blower with canister and 50' ducting — 40 lbs.\u003c\/td\u003e\n\u003ctd\u003eBlower + canister + 50' ducting\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e9533-50E\u003c\/td\u003e\n\u003ctd\u003e8\" Axial AC Plastic Blower with canister and 50' ducting (220V AC\/50 Hz)\u003c\/td\u003e\n\u003ctd\u003eBlower + canister + 50' ducting (220V)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003eThe 9533 stands out from comparable axial blowers by combining a fully certified (UL, CSA, CE) polyethylene housing with a compact, canister-compatible design that allows complete system storage in a single unit. Unlike heavier metal-housing alternatives, the plastic construction reduces transport fatigue on job sites where the blower must be moved frequently between confined space entry points. The dual-voltage motor (115V–230V AC, 50\/60 Hz) also supports international deployment without requiring a separate unit.\u003c\/p\u003e\n\u003ch3\u003eKey Features \u0026amp; Benefits\u003c\/h3\u003e\n\u003ch4\u003eCorrosion-, UV-, and Chemical-Resistant Polyethylene Housing\u003c\/h4\u003e\n\u003cp\u003eThe polyethylene housing resists the harsh chemical exposure, moisture, and UV degradation common in refinery, utility, and outdoor construction environments. This durability extends the service life of the blower and lowers total cost of ownership over repeated job site deployments.\u003c\/p\u003e\n\u003ch4\u003eHigh Airflow from a Compact Form Factor\u003c\/h4\u003e\n\u003cp\u003eDelivering 831 CFM free air, 709 CFM through one 90° bend, and 586 CFM through two 90° bends, this blower provides high output without the bulk of larger units. Contractors working in smaller confined spaces benefit from meaningful airflow without sacrificing portability or storage space.\u003c\/p\u003e\n\u003ch4\u003eUL Recognized, CSA Certified, and CE Certified\u003c\/h4\u003e\n\u003cp\u003eTriple certification ensures the blower meets recognized safety standards for electrical equipment and fans\/ventilators, giving safety officers and site supervisors confidence in compliance. The international CE certification also supports use on projects outside North America.\u003c\/p\u003e\n\u003ch4\u003eCarry Handle Molded into Housing\u003c\/h4\u003e\n\u003cp\u003eThe integrated carry handle eliminates the risk of a separate handle detaching under load and makes one-handed transport straightforward. This is a practical advantage when workers are managing ducting, gas monitors, and other confined space entry equipment simultaneously.\u003c\/p\u003e\n\u003ch4\u003eBottom Enclosure for Electrical Component Protection\u003c\/h4\u003e\n\u003cp\u003eThe enclosed bottom compartment shields electrical components from debris, moisture, and accidental contact during storage and transport. This design reduces the likelihood of electrical damage that could take the unit out of service mid-job.\u003c\/p\u003e\n\u003ch4\u003eSafety Orange Color for High Visibility\u003c\/h4\u003e\n\u003cp\u003eThe safety orange finish makes the blower easy to spot in busy, cluttered work environments such as construction sites and refineries. High visibility reduces the risk of the unit being tripped over or overlooked during site cleanup.\u003c\/p\u003e\n\u003ch4\u003eVentilate or Exhaust Capability\u003c\/h4\u003e\n\u003cp\u003eThe blower can be configured to push fresh air into a confined space or to exhaust contaminated air out, giving crews flexibility to adapt ventilation strategy to the specific hazard and space geometry without needing a second unit.\u003c\/p\u003e\n\u003ch4\u003eAvailable as Complete System with Ducting and Canister\u003c\/h4\u003e\n\u003cp\u003ePurchasing the blower as a complete kit with 15', 25', or 50' of ducting and a storage canister means crews arrive on site with everything needed for ventilation in a single, organized package. The canister also provides stackable, protected storage between uses.\u003c\/p\u003e\n\u003ch3\u003eCommon Applications\u003c\/h3\u003e\n\u003ch4\u003eConfined Space Entry Ventilation\u003c\/h4\u003e\n\u003cp\u003eProvides continuous fresh-air supply or exhaust for manholes, vaults, tanks, vessels, and other permit-required confined spaces prior to and during worker entry. When ventilating a manhole or tank, set the blower back a minimum of five feet from the opening to prevent hazardous gases from being drawn back into the intake.\u003c\/p\u003e\n\u003ch4\u003eConstruction Site Air Quality\u003c\/h4\u003e\n\u003cp\u003eMoves air through enclosed or partially enclosed structures during construction to dilute dust, fumes, and other airborne contaminants. The compact size and molded handle make repositioning quick as work areas change.\u003c\/p\u003e\n\u003ch4\u003eUtility Work (Manholes and Vaults)\u003c\/h4\u003e\n\u003cp\u003eSized and certified for the ventilation requirements typical of underground utility access points including electrical vaults, sewer manholes, and pipeline sections. The 8\" duct diameter is well matched to standard utility access openings.\u003c\/p\u003e\n\u003ch4\u003eRefinery and Industrial Maintenance\u003c\/h4\u003e\n\u003cp\u003eThe chemical-resistant housing and triple certification make this blower appropriate for use in refinery maintenance scenarios where exposure to hydrocarbons and other chemicals is possible in non-hazardous-classified areas. For hazardous (classified) locations, the explosion-proof 9538 series should be selected instead.\u003c\/p\u003e\n\u003ch4\u003eDuctwork and Pipeline Ventilation\u003c\/h4\u003e\n\u003cp\u003eCan be paired with Allegro standard ducting to direct airflow into ductwork, pipelines, silos, or hoppers requiring pre-entry or maintenance ventilation.\u003c\/p\u003e\n\u003ch3\u003eCompatible Materials\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eAllegro standard 8\" flexible ducting (sold separately or as part of complete kit configurations)\u003c\/li\u003e\n\u003cli\u003eCompatible with Allegro MVP (Multi-Vent Plenum) systems via the 9520-33M blower system configuration\u003c\/li\u003e\n\u003cli\u003eSuitable for use in non-hazardous environments; for hazardous\/classified locations use the explosion-proof 9538 series\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eProduct Documents\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0551\/8396\/6382\/files\/yyceyzilclkoimlwk4zr_2be594f6-7b8b-499a-a9aa-7b534d70f5bc.pdf?v=1791920520\" rel=\"noopener\" target=\"_blank\"\u003eAllegro Ventilation Blowers Linecard\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What is the airflow output of the 9533 blower?\u003c\/strong\u003e\u003cbr\u003eA: The 8\" Axial AC Plastic Blower delivers 831 CFM free air, 709 CFM with one 90° bend, and 586 CFM with two 90° bends. CFM figures are calculated using 15' x 8\" ducting; free air is calculated at the blower.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Can this blower be used for both supply and exhaust ventilation?\u003c\/strong\u003e\u003cbr\u003eA: Yes. The 9533 can be configured to ventilate (supply fresh air) or exhaust (remove contaminated air) from a confined space, providing operational flexibility without requiring a second unit.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Is the 9533 suitable for use in hazardous (classified) locations?\u003c\/strong\u003e\u003cbr\u003eA: No. The standard 9533 is rated for non-hazardous environments. For hazardous or classified locations, Allegro offers the 8\" Axial Explosion-Proof Plastic Blower (9538 series).\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What ducting is compatible with this blower?\u003c\/strong\u003e\u003cbr\u003eA: Allegro recommends pairing the 9533 with Allegro standard 8\" ducting. Complete kits are available with 15' (9533-15), 25' (9533-25), or 50' (9533-50) of ducting and a compact storage canister.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Is an international voltage version available?\u003c\/strong\u003e\u003cbr\u003eA: Yes. The 9533-E is wired for 220V AC\/50 Hz for international use. Note that the 9533-E does not meet CSA C22.2 No. 113 requirements for fans and ventilators.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How far should the blower be positioned from a manhole or tank opening?\u003c\/strong\u003e\u003cbr\u003eA: Allegro recommends setting the blower back a minimum of five feet from the opening. This prevents hazardous gases purged from the confined space from being drawn back into the blower intake and forced back into the space.\u003c\/p\u003e","brand":"Allegro","offers":[{"title":"Blower","offer_id":67687354728622,"sku":"9533","price":354.56,"currency_code":"USD","in_stock":true},{"title":"Blower (220V AC\/50 Hz). Does NOT meet CSA C22.2 No. 113 requirements.","offer_id":67687354761390,"sku":"9533-E","price":354.56,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0551\/8396\/6382\/files\/fbf5f54569747499a9bb91494e13b7cb892b5a97.jpg?v=1791920525","url":"https:\/\/www.diamondtoolstore.com\/products\/8-axial-ac-plastic-blower","provider":"Diamond Tool Store","version":"1.0","type":"link"}