Set includes a haft mask respirator, hose and nylon belt, No 9920

Low Pressure Supplied Air Respirator Allegro

Manufacturer Allegro code: 9920.

The Allegro low pressure supplied air respirator is specially designed for professionals exposed to hazardous contaminants. With its ergonomic half mask, flexible supply hose and robust nylon belt, it guarantees reliable respiratory protection and extended comfort. This set is ideal for the painting, chemical, construction and industrial sectors where air quality is compromised.

This set includes a haft mask respirator, a flexible supply hose and a nylon belt. The set is intended for use with Allegro air-supplied breathing systems at low pressure, this product is approved by the US NIOSH TC-19C-353.

Characteristic of the Haft mask respirator:

This respirator made of silicone rubber is hypoallergenic, resistant to chemicals and ozone. It is comfortable and offers a continuous flow of low pressure air. Silicone rubber is durable and maintains its shape during storage. This respirator is even used where the heat and cold are extreme.

Suspension:

The suspension has 2 durable rubber straps to keep the mask in place.

Exhalation valve:

Large diameter contoured exhalation valve design, for minimal breathing resistance. The valve is easily accessible to fast replacement and cleaning. The removable cover protects the exhalation valve against dirt, paint spray and frost.

Characteristic of the supply hose:

The feed hose is facing back to leave you a free field of view. It is light, flexible and resistant. The OBAC adapter can be removed quickly if needed. The hose has a large diameter which facilitates the maximum supply of air to the worker. The manufacturer did not provide information on the materials used to manufacture the hose.

Characteristic of the belt:

The nylon belt is worn at the waist. It has a plastic clip that prevents the feed hose from pulling on the face piece.

Application of the Allegro respirator

This haft mask respirator is one of the components that constitute a respiratory protection system call: low-pressure air supply. To be functional, it must be paired with a source of breathing air and a sufficient length of hose.

This type of respirator is recommended for work that will release solid and liquid particles into the air or for work in environments where there are contaminants and/or biological particles in the air. The air supply system is required when the worker is in the presence of a contaminant that cannot be filtered by cartridges or filters. It is particularly useful when there are no fumes that irritate the mucous membranes of the eye.

Restriction of the Allegro respirator

Do not use on a beard and other facial hair or if the user suffers from a condition that prevents him from having direct contact with the respirator’s sides.

This haft mask provides a protection factor of 1000 when used with other components of an approved respirator package. This face piece must be paired with other components that are part of the Allegro Respiratory System. It is essential to check the associated level of risk when using it. The manufacturer has designed its products for environments with contaminant concentrations that do not exceed the limit causing immediate death. Especially if the pump stops working. This haft mask offers a protection factor of up to 1000 times the exposure limit allowed by the CNESST or any other applicable government regulation. Do not use when sandblasting. This respirator must not be used in areas where there is a risk of oxygen deficiency.

Maintenance and service life of the Allegro respirator

This set is reusable provided its maintenance and storage are done according to the rules. Allegro recommends that you always inspect your mask before using it, clean it after using it, and keep it in its packaging when it is not in use. When cleaning, it is important not to use solvents since they can weaken some components of the mask, which can affect its effectiveness.

FAQ about the Allegro low pressure supplied air respirator

In which environments should the Allegro respirator be used?

It is recommended for industrial environments contaminated by chemicals, dust or harmful vapors.

Is the Allegro respirator half mask comfortable?

Yes, it is designed to provide comfort and sealing even during prolonged use.

How to check the proper functioning of the flexible hose?

Make sure the air flow is constant and that the hose shows no cracks or kinks.

Complementary Suggestions about the Allegro low pressure supplied air respirator

Need complementary safety equipment? Check out the following items: Supplied air respirator system for 2 people with full-face masks and ambient air pump (RA92002), supplied air respirator system for 2 people with a half-mask and ambient air pump (RA92052), kit including a Tyvek hood, head harness, supply hose, and belt (RA9910).

Under “Accessories” at the bottom of the page. Looking for work gear? Check out the following products: Pull-over cotton hood with elastic face opening (VF1410), disposable TYVEK shirt with three buttons (VTY303SWH), TYVEK boot covers (VC1451), and the disposable TYVEK coverall (VTY127SWH). Also take care to have the usual spare parts such as: the exhalation valve (RA9920-03B). Please note that this item is available on special order only, the lead time may vary from 2 to 3 weeks. You can pair this haft mask with low pressure hoses pompe d’air ambiant Allegro 1 1/2 CV (RA9100). In addition, the compatible air sources are Allegro 1 1/2 HP ambient air pump (RA9806), Allegro 3/4 HP ambient air pump (RA9821) or ambient air pump (RA9832). 

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