ALLEGRO 9539-12 Industrial Plastic Blower, Axial, 3425 rpm, 115 VAC, 1 hp

Allegro 9539-12 portable blower is ideal for large, confined spaces. This blower delivers both positive and negative airflow and is used in paper mills, as well as tank purging & utility sites. It can also be used as an inline booster blower.

Features:

• This 12-inch blower features corrosion, UV and chemical resistant polyethylene housing.
• It has a super quiet, 1 hp motor that offers an overall flow rate of 2180 cfm.
• The flow rate for one 90-degree bend is 1330 cfm and the flow rate for two 90-degree bends is 1255 cfm.
• The carry handle is molded into the blower.
• The electrical components are protected by the bottom enclosure.
• It has a built-in On/Off switch.

Compatible Accessories:

• Allegro Lay Flat Ducting: This lightweight air ventilation tubing delivers large amounts of forced air to confined areas. These tubes are made of clear polyethylene to resist splitting & tearing, and provide maximum toughness, elasticity & flexibility.

Standards and Approvals:

• UL
• CSA

Frequently Asked Questions:

Q. Can a blower be placed vertically above a manhole?

A. Yes, if it is supported safely, with adequate ingress / egress, vibration, movement and weight mitigation.

Q. How long should you ventilate a confined space?

A. According to AIHA (American Industrial Hygiene Association), the acceptable practice for a confined space is 20 complete air changes per hour or one every 3 minutes.