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ALLEGRO Duct for Confined Spaces, 25 ft, Yellow - Ducts for Confined Spaces
ALLEGRODucts for Confined Spaces

ALLEGRO Duct for Confined Spaces, 25 ft, Yellow

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

Also listed as: 965025 · 9650 25

Brand
ALLEGRO
Item
Duct for Confined Spaces, 25 ft, Yellow
Part Number
9650-25
Category
Ducts for Confined Spaces
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Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.

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 manufacturing — Allegro 9904 series supplied-air respirator with helmet and Stedprene neck cape for general respiratory protection.
Welding operations — Allegro 9904-W supplied-air respirator assembly with welding helmet and OBAC fittings for fume and particulate protection.
Confined space entry — Allegro 9815 series breathing air blower with EF couplers to supply low-pressure breathing air to respirator systems.
Respirator fit testing programs — Allegro Bitrex fit testing kit (MPN 2041) with nebulizers and solutions for qualitative fit testing.
SCBA storage in fire stations or industrial facilities — Allegro steel storage bracket (MPN 4111-06) with clip for secure mounting.
Temperature regulation in SAR systems — Allegro airline temperature controller (MPN 9990) with Hansen plug for adjusting supplied air temperature.
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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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