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ALLEGRO Confined Space Fan: 12 V DC, 8 in Duct Dia, 1/4 hp Horsepower - Axial Blower & Ducting Combination Units
ALLEGROAxial Blower & Ducting Combination Units

ALLEGRO Confined Space Fan: 12 V DC, 8 in Duct Dia, 1/4 hp Horsepower

The ALLEGRO Confined Space Fan is a 12 V DC axial blower and ducting combination unit (MPN 9506-25) with an 8 in duct diameter, 1/4 hp horsepower, and 3,800 RPM blower/fan speed. It includes a 25 ft duct with…

SKU 3G-OTH-543431

Brand
ALLEGRO
Item
Confined Space Fan: 12 V DC, 8 in Duct Dia, 1/4 hp Horsepower
Category
Axial Blower & Ducting Combination Units
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Technical Specifications

ALLEGRO
Manufacturer Part Number
9506-25
Duct Dia
8 in
Includes
25 ft Duct with Extension Canister
Horsepower
1/4 hp
Blower/Fan Speed
3,800 RPM
Operating Voltage
12 V DC with Vehicle Battery Hookups
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ALLEGRO Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The ALLEGRO Confined Space Fan is a 12 V DC axial blower and ducting combination unit (MPN 9506-25) with an 8 in duct diameter, 1/4 hp horsepower, and 3,800 RPM blower/fan speed. It includes a 25 ft duct with extension canister and operates on 12 V DC with vehicle battery hookups.

Frequently Asked Questions

What is the ALLEGRO Confined Space Fan used for?

The ALLEGRO Confined Space Fan (MPN 9506-25) is an axial blower and ducting combination unit designed to ventilate confined spaces such as tanks, vaults, and manholes. It supplies fresh air or exhausts fumes, supporting worker safety in industrial, construction, and municipal applications.

What are the specifications of the ALLEGRO 9506-25 fan?

The ALLEGRO 9506-25 fan operates on 12 V DC with vehicle battery hookups, has an 8 in duct diameter, 1/4 hp horsepower, and a blower/fan speed of 3,800 RPM. It includes a 25 ft duct with extension canister, making it suitable for mobile confined space ventilation.

Where to buy the ALLEGRO Confined Space Fan worldwide?

3G Electric supplies the ALLEGRO Confined Space Fan (MPN 9506-25) to customers worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your site. Contact us for pricing and lead time on this 12 V DC axial blower unit.

How to install the ALLEGRO 12 V DC confined space fan?

To install the ALLEGRO 9506-25 fan, connect the vehicle battery hookups to a 12 V DC power source, attach the 25 ft duct with extension canister to the blower outlet, and position the duct intake in the confined space. Ensure proper ventilation path and secure all connections before operation.

Used in

Common applications for ALLEGRO
Industrial hygiene monitoring — ALLEGRO lead cassettes (9804-14) for airborne lead sampling in manufacturing facilities.
Confined space ventilation — ALLEGRO axial blower (9548) for air movement in tanks or vaults during maintenance.
Temporary heating on construction sites — ALLEGRO portable electric heater (9401-50) for work tents in cold weather.
Sampling pump maintenance — ALLEGRO service kits (9804-40) for replacing vanes and filters in IAQ pumps.
Asbestos or particulate analysis — ALLEGRO TEM cassettes (9804-17) for electron microscopy sample collection.
HVACR system testing — ALLEGRO axial blower (9548) for ventilation testing in ductwork or equipment rooms.

ALLEGRO Products

3G Electric supplies ALLEGRO axial blower & ducting combination units. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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ALLEGRO Confined Space Fan Kit: 115 V AC, 8 in Duct Dia, 1/3 hp Horsepower, Orange, 3.6 A Current (MPN 9520-14M). Key specifications — Brand: ALLEGRO; Includes: 6 ft Duct; Operating Voltage: 115 V AC.
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ALLEGRO Confined Space Blower: 115/230 V AC, 8 in Duct Dia, 1/3 hp Horsepower, Black/Yellow (MPN 9532-15). Key specifications — Brand: ALLEGRO; Includes: Blower; Operating Voltage: 120/240 V AC.
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ALLEGRO Confined Space Fan Kit: 12 V DC, 8 in Duct Dia, 1/4 hp Horsepower, Orange, 13 A Current (MPN 9520-36M). Key specifications — Brand: ALLEGRO; Includes: 6 ft Duct; Operating Voltage: 12 V DC with Vehicle Battery Hookups.
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ALLEGRO Confined Space Blower: 120 V AC, 12 in Duct Dia, 1/2 hp Horsepower, Black/Yellow, 120 V AC (MPN 9520-3512M). Key specifications — Brand: ALLEGRO; Includes: Duct Storage Bag; Operating Voltage: 120 V AC.
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ALLEGRO Confined Space Blower: 120 V AC, 12 in Duct Dia, 1/2 hp Horsepower, Black/Yellow, 120 V AC (MPN 9520-3512M). Key specifications — Brand: ALLEGRO; Includes: Duct Storage Bag; Operating Voltage: 120 V AC.
ALLEGRO Confined Space Blower: 115/230 V AC, 8 in Duct Dia, 1/3 hp Horsepower, Black/Orange/Yellow (MPN 9533-50). Key specifications — Brand: ALLEGRO; Includes: Duct Storage Bag; Operating Voltage: 120/240 V AC.
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ALLEGRO Confined Space Fan: 115 V AC, 8 in Duct Dia, 1/3 hp Horsepower, 890 cfm Max Flow in Free Air (MPN 9514-06). Key specifications — Brand: ALLEGRO; Includes: 15 ft Duct; Operating Voltage: 115 V AC.
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ALLEGRO Confined Space Fan: 115 V AC, 8 in Duct Dia, 1/3 hp Horsepower, 890 cfm Max Flow in Free Air (MPN 9514-06). Key specifications — Brand: ALLEGRO; Includes: 15 ft Duct; Operating Voltage: 115 V AC.
ALLEGRO Confined Space Blower: 12 V DC, 16 in Duct Dia, 1/2 hp Horsepower, Orange, 39 A Current (MPN 9556-25). Key specifications — Brand: ALLEGRO; Includes: 15 ft (4.57 m) Power Cord; Operating Voltage: 12 V DC with Vehicle Battery Hookups.
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ALLEGRO Confined Space Blower: 12 V DC, 16 in Duct Dia, 1/2 hp Horsepower, Orange, 39 A Current (MPN 9556-25). Key specifications — Brand: ALLEGRO; Includes: 15 ft (4.57 m) Power Cord; Operating Voltage: 12 V DC with Vehicle Battery Hookups.
ALLEGRO Blower: 120 V AC, 8 in Duct Dia, 1/3 hp Horsepower, 1,275 cfm Max Flow in Free Air, Orange (MPN 9514-25). Key specifications — Brand: ALLEGRO; Includes: 25 ft Duct with Extension Canister; Operating Voltage: 120 V AC.
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