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ALLEGRO Ventilation Duct: 12 in Dia - Ducts for Confined Spaces
ALLEGRODucts for Confined Spaces

ALLEGRO Ventilation Duct: 12 in Dia

The ALLEGRO Ventilation Duct (12 in Dia, 25 ft Lg, MPN 9550-25SB) is a black/yellow vinyl polyester duct for use with blowers, meeting ASTM 227 standards and including a drawstring closure. 3G Electric interprets…

SKU 3G-OTH-546133

Also listed as: 955025SB · 9550 25SB

Brand
ALLEGRO
Item
Ventilation Duct: 12 in Dia
Category
Ducts for Confined Spaces
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Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
Payment
Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.

Technical Specifications

ALLEGRO
Manufacturer Part Number
9550-25SB
Type
For Use With Blowers, Black/Yellow, Vinyl Polyester
Material
Vinyl Polyester
Lg
25 ft
Color
Black
Includes
Drawstring Closure
Standards
ASTM 227
For Use With
Blowers
Conductive Material Construction
No

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ALLEGRO Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The ALLEGRO Ventilation Duct (12 in Dia, 25 ft Lg, MPN 9550-25SB) is a black/yellow vinyl polyester duct for use with blowers, meeting ASTM 227 standards and including a drawstring closure. 3G Electric interprets customer demand and delivers this duct across 14 industrial departments — and we supply far more than is listed — with specialist depth in combustion, pumps and controls as a trust anchor.

Frequently Asked Questions

What is the ALLEGRO Ventilation Duct 9550-25SB used for?

The ALLEGRO Ventilation Duct 9550-25SB is used to direct fresh air into confined spaces or exhaust stale air out, working with blowers. It is common in industrial maintenance, tank cleaning, and construction applications where safe airflow is required. 3G Electric supplies this duct globally.

What are the specifications of the ALLEGRO 9550-25SB ventilation duct?

The ALLEGRO 9550-25SB is a 12 in diameter, 25 ft long ventilation duct made of black/yellow vinyl polyester. It meets ASTM 227 standards, includes a drawstring closure, and is designed for use with blowers. It is not made of conductive material.

Where to buy the ALLEGRO 9550-25SB ventilation duct worldwide?

3G Electric supplies the ALLEGRO 9550-25SB ventilation duct worldwide. We handle full logistics, customs clearance, and delivery to your site. As a global industrial solutions provider, we source and deliver this duct for confined space ventilation needs across industries.

How to install the ALLEGRO ventilation duct with a blower?

To install the ALLEGRO ventilation duct, attach the drawstring closure end securely to the blower outlet. Ensure the duct is fully extended without kinks to maintain airflow. Position the open end in the confined space for fresh air intake or exhaust. Follow all confined space safety procedures.

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 ducts for confined spaces. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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