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ALLEGRO Supplied Air Respirator: Welding, OBAC, Ambient Air Pump, Helmet - Allegro Partial SAR Assemblies
ALLEGROAllegro Partial SAR Assemblies

ALLEGRO Supplied Air Respirator: Welding, OBAC, Ambient Air Pump, Helmet

The Allegro 9904-W Supplied Air Respirator is a partial SAR assembly designed for welding applications. It combines an OBAC-fitted helmet with a Stedprene neck cape and is powered by an ambient air pump, providing a…

SKU 3G-OTH-748814

Brand
ALLEGRO
Item
Supplied Air Respirator: Welding, OBAC, Ambient Air Pump, Helmet
Category
Allegro Partial SAR Assemblies
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Technical Specifications

ALLEGRO
Manufacturer Part Number
9904-W
Series
9904-W
Type
OBAC, Ambient Air Pump, Helmet, 9904-W
Fittings
OBAC
Air Source
Ambient Air Pump
Application
Welding
Headgear Type
Helmet
Headgear Material
Stedprene (Neck Cape)
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ALLEGRO Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The Allegro 9904-W Supplied Air Respirator is a partial SAR assembly designed for welding applications. It combines an OBAC-fitted helmet with a Stedprene neck cape and is powered by an ambient air pump, providing a complete respiratory protection solution.

Frequently Asked Questions

What is the Allegro 9904-W Supplied Air Respirator used for?

The Allegro 9904-W is a partial SAR assembly designed for welding applications. It provides respiratory protection by delivering breathable air from an ambient air pump through an OBAC-fitted helmet with a Stedprene neck cape, protecting the welder from fumes and particulates.

What are the specifications of the Allegro 9904-W?

The Allegro 9904-W series includes a helmet-type headgear with a Stedprene neck cape, OBAC fittings, and an ambient air pump as the air source. It is specifically designed for welding applications. The manufacturer part number is 9904-W.

Where to buy the Allegro 9904-W Supplied Air Respirator worldwide?

3G Electric supplies the Allegro 9904-W Supplied Air Respirator 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 welding respirator assembly.

How to maintain the Allegro 9904-W Supplied Air Respirator?

Regularly inspect the helmet, neck cape, and OBAC fittings for cracks or wear. Clean the Stedprene cape with mild soap and water. Check the ambient air pump and hoses for blockages or damage. Follow Allegro’s user manual for filter replacement and storage guidelines to ensure reliable protection.

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 allegro partial sar assemblies. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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