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ALLEGRO Ventilation Duct: 20 in Dia, 25 ft Lg, For Use With Blowers In Manhole Applications - Ducts for Confined Spaces
ALLEGRODucts for Confined Spaces

ALLEGRO Ventilation Duct: 20 in Dia, 25 ft Lg, For Use With Blowers In Manhole Applications

The ALLEGRO Ventilation Duct (20 in Dia, 25 ft Lg, MPN 9650-25) is a vinyl polyester duct for use with blowers in manhole applications. It meets ASTM 227 standards, includes a duct-to-duct connector, and is yellow in…

SKU 3G-OTH-546117

Brand
ALLEGRO
Item
Ventilation Duct: 20 in Dia, 25 ft Lg, For Use With Blowers In Manhole Applications
Category
Ducts for Confined Spaces
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Technical Specifications

ALLEGRO
Manufacturer Part Number
9650-25
Type
For Use With Blowers In Manhole Applications, Yellow
Material
Vinyl Polyester
Lg
25 ft
Color
Yellow
Includes
Duct to Duct Connector
Standards
ASTM 227
For Use With
Blowers In Manhole Applications
Conductive Material Construction
No
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ALLEGRO Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The ALLEGRO Ventilation Duct (20 in Dia, 25 ft Lg, MPN 9650-25) is a vinyl polyester duct for use with blowers in manhole applications. It meets ASTM 227 standards, includes a duct-to-duct connector, and is yellow in color with non-conductive material construction.

Frequently Asked Questions

What is the ALLEGRO 9650-25 ventilation duct used for?

The ALLEGRO 9650-25 ventilation duct is used with blowers in manhole applications to supply fresh air or exhaust fumes from confined spaces. Its 20-inch diameter and 25-foot length make it suitable for underground utility work, ensuring worker safety in environments requiring forced-air ventilation.

What are the specifications of the ALLEGRO 9650-25 duct?

The ALLEGRO 9650-25 duct has a 20-inch diameter, 25-foot length, and is made of vinyl polyester. It meets ASTM 227 standards, is yellow, non-conductive, and includes a duct-to-duct connector. It is designed for use with blowers in manhole applications.

Where to buy the ALLEGRO 9650-25 ventilation duct worldwide?

3G Electric supplies the ALLEGRO 9650-25 ventilation duct worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your site. Contact us for availability and lead time on this confined-space ventilation duct.

How to install the ALLEGRO 9650-25 duct with a blower?

To install the ALLEGRO 9650-25 duct, attach the included duct-to-duct connector to the blower outlet, then extend the duct into the manhole. Secure the duct to prevent kinking and ensure airflow. Follow all confined-space safety protocols and the blower manufacturer's instructions for proper ventilation.

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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ALLEGRO Ventilation Duct: 16 in Dia, 25 ft Lg, For Use With 9515/9600-15, Yellow, Vinyl Polyester (MPN 9600-25). Key specifications — Material: Vinyl Polyester; Standards: ASTM 227; Color: Yellow; For Use With: 9600-15; Includes: Reducer; Conductive Material Construction: No; Brand: ALLEGRO.
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ALLEGRO Statically Conductive Duct: 12 in Dia, 15 ft Lg, For Use With Blowers, Black (MPN 9550-15EXSB). Key specifications — Material: Polyester; Standards: ASTM 227; Color: Black; For Use With: Blowers; Includes: Drawstring Closure; Conductive Material Construction: Yes; Brand: ALLEGRO.
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ALLEGRO Lay Flat Duct: 14 in Dia, 500 ft Lg, For Use With Blowers up to 14 in, Clear, Polyethylene (MPN 9500-500). Key specifications — Material: Polyethylene; Color: Clear; For Use With: Blowers up to 14 in; Conductive Material Construction: No; Brand: ALLEGRO.
ALLEGRO Statically Conductive Duct: 20 in Dia, 25 ft Lg, Black, Vinyl Polyester (MPN 9650-25EX). Key specifications — Material: Vinyl Polyester; Standards: ASTM 227; Color: Black; For Use With: Blowers In Manhole Applications; Includes: Storage Bag; Conductive Material Construction: No; Brand: ALLEGRO.
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ALLEGRO Blower Ducting: 12 in Dia, 25 ft Lg, For Use With Blowers, Black/Yellow, Vinyl Polyester (MPN 9550-25). Key specifications — Material: Vinyl Polyester; Standards: ASTM 227; Color: Black; For Use With: Blowers; Includes: Fastening Cuffs; Conductive Material Construction: No; Brand: ALLEGRO.
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ALLEGRO Blower Ducting: 12 in Dia, 25 ft Lg, For Use With Blowers, Black/Yellow, Vinyl Polyester (MPN 9550-25). Key specifications — Material: Vinyl Polyester; Standards: ASTM 227; Color: Black; For Use With: Blowers; Includes: Fastening Cuffs; Conductive Material Construction: No; Brand: ALLEGRO.
ALLEGRO Statically Conductive Duct: 12 in Dia, 25 ft Lg, For Use With Explosion Proof Blowers, Black (MPN 9550-25EX). Key specifications — Material: Vinyl Polyester; Standards: UL-94-VO; Color: Black; For Use With: Explosion Proof Blowers; Conductive Material Construction: No; Brand: ALLEGRO.
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ALLEGRO Ventilation Duct: 12 in Dia, 15 ft Lg, For Use With Blowers, Black/Yellow, Vinyl Polyester (MPN 9550-15SB). Key specifications — Material: Vinyl Polyester; Standards: UL-94-VO; Color: Black; For Use With: Blowers; Includes: Drawstring Closure; Conductive Material Construction: No; Brand: ALLEGRO.
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