IMPA: 591433

Venturi Type Air Movers – Pneumatic Ventilation for Marine Environments

The Venturi Type Air Mover is a pneumatic ventilation tool engineered for demanding marine and industrial applications. Using the Venturi effect, compressed air passes through a precision-machined manifold, creating a powerful vacuum that draws air, fumes, and vapors through the unit. This airflow effectively ventilates confined spaces, dries tanks, and expels hazardous gases—without relying on any electrical power source.

Designed with safety and durability in mind, these air movers have no electric motor, no moving parts, and generate no sparks, making them intrinsically safe for use within explosive atmospheres, fuel tanks, and petrochemical storage areas. Constructed from marine-grade aluminum and corrosion-resistant materials, they withstand harsh saltwater environments and provide reliable, low-maintenance service aboard ships, offshore platforms, and in shipyards.

With a high output-to-input air ratio and compact, portable design, Venturi air movers deliver substantial airflow from a modest compressed air supply. Available in several sizes and configurations, they offer ship chandlers and vessel operators a cost-effective solution for improving safety, enhancing crew productivity, and meeting regulatory ventilation requirements.

Key Features

Technical Specifications

SpecificationDetails
Operating Pressure4–7 bar (58–101 psi)
Air Consumption15–25 CFM @ 6 bar
Airflow Output2,000–4,000 CFM (depending on model)
Output/Input RatioUp to 20:1
MaterialMarine-grade Aluminum / Corrosion-resistant
Inlet Connection1/4\" NPT or 1/2\" NPT
Outlet Diameter200 mm / 300 mm / 400 mm
Weight5–15 kg (depending on model)
DimensionsVary by model – compact, portable design
Max Operating Temperature120°C (248°F)
ComplianceATEX / CE certified options

Frequently Asked Questions

How does a Venturi air mover work?

Compressed air enters the unit through the inlet and passes through a specially shaped Venturi chamber, which creates a low-pressure zone. This partial vacuum draws ambient air along with it, producing a high-velocity airflow that can ventilate confined spaces or remove fumes — all without moving parts.

Is this air mover safe for use in fuel tanks or explosive environments?

Yes. Because it operates purely on compressed air and has no electrical components, it generates no sparks and is considered intrinsically safe for ventilating areas where flammable gases or vapors may be present. It is commonly used for tank cleaning and hot-work preparation.

What size air compressor is needed?

The unit requires a compressor that delivers at least 15–25 CFM at 90 psi. Be sure to check the specific model’s air consumption rating and match it with your compressor output to ensure optimal performance.

Can it be used for fume extraction during welding?

Absolutely. Its high airflow capacity makes it an effective tool for removing welding smoke, paint fumes, and other airborne contaminants from confined spaces, improving visibility and protecting crew health.

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