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ALLEGRO Partial SAR Assembly, Series 9904, Helmet, OBAC, 15 psi - Allegro Partial SAR Assemblies
ALLEGROAllegro Partial SAR Assemblies

ALLEGRO Partial SAR Assembly, Series 9904, Helmet, OBAC, 15 psi

The Allegro 9904 Supplied Air Respirator is a general-purpose partial SAR assembly that uses an ambient air pump to deliver 15 psi of breathable air through OBAC fittings to a Stedprene-neck-cape helmet. This Series…

SKU 3G-OTH-748813

Brand
ALLEGRO
Item
Partial SAR Assembly, Series 9904, Helmet, OBAC, 15 psi
Part Number
9904
Category
Allegro Partial SAR Assemblies
Available to Order
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Worldwide Shipping
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Technical specs
1-Day Quote
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Local availability & support

Delivery
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.

Compliance & shipping

Hazardous material
Not classified as hazardous
California Prop 65 warning
No warning recorded
Licence required
No licence required
Safety Data Sheet
Not available
Special shipping
Ships under standard freight

Technical Specifications

ALLEGRO
Manufacturer Part Number
9904
Series
9904
Type
OBAC, Ambient Air Pump, 15 psi, Helmet, 9904
UNSPSC
46182004
Fittings
OBAC
For IDLH
No
Includes
Down Tube; Helmet
Standards
ANSI Z87.1+; ANSI Z89.1 Type 1 Class G; NIOSH Approved
Air Source
Ambient Air Pump
Application
General Purpose
System Type
SAR System
Catalog Page
1613
Headgear Size
Universal
Headgear Type
Helmet
Brand and Series
Allegro 9904
Country of Origin
USA (subject to change)
Headgear Material
Plastic (Air Shield/Helmet); Polycarbonate (Lens); Stedprene (Neck Cape)
Includes Headgear
Yes
Operating Pressure
15 psi
Includes Escape Bottle
No

Technical Documents

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

Product Description

The Allegro 9904 Supplied Air Respirator is a general-purpose partial SAR assembly that uses an ambient air pump to deliver 15 psi of breathable air through OBAC fittings to a Stedprene-neck-cape helmet. This Series 9904 unit is a complete, ready-to-use system for applications requiring a continuous-flow supplied-air respirator.

Frequently Asked Questions

What is the Allegro 9904 Supplied Air Respirator used for?

The Allegro 9904 is a general-purpose supplied-air respirator (SAR) assembly used in industrial environments where breathable air is needed. It delivers 15 psi via an ambient air pump through OBAC fittings to a Stedprene-neck-cape helmet, protecting workers from airborne contaminants.

What are the specifications of the Allegro 9904 Supplied Air Respirator?

The Allegro 9904 is a Series 9904 partial SAR assembly with a helmet headgear type, Stedprene neck cape material, OBAC fittings, and an ambient air pump air source. It operates at 15 psi and is designed for general-purpose applications. The manufacturer part number is 9904.

Where to buy the Allegro 9904 Supplied Air Respirator worldwide?

3G Electric supplies the Allegro 9904 Supplied Air Respirator to customers worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery for this general-purpose SAR assembly, ensuring you receive the correct 15 psi ambient-air-pump system.

How to maintain the Allegro 9904 Supplied Air Respirator?

For the Allegro 9904, regularly inspect the Stedprene neck cape for tears, check OBAC fittings for leaks, and verify the ambient air pump delivers consistent 15 psi. Clean the helmet and cape per manufacturer guidelines, and replace any worn components to maintain breathable air quality.

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.
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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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