NOTE: FANS ARE SPECIAL NON-STOCK ITEMS AND CANNOT BE RETURNED OR CANCELLED.

Models HRSB are used in a variety of commercial and industrial operations such as warehouses, manufacturing plants, equipment and machinery rooms, assembly plants and similar facilities to provide fresh outside air for personal comfort and to reduce negative pressure caused by exhaust systems.

Hood sizes 58 to 78 inch (represents fan sizes 24 to 36) ship assembled. Hood sizes 87 to 111 inch (represents fans sizes 42 to 60) ship separate for field attachment.

CONSTRUCTION:
Panel Assembly

• Heavy-gauge G90 galvanized steel.
• All welded support structure of minimum schedule 40 galvanized pipe.
• Motor/bearing plates of minimum 10 gauge galvanized steel.

Hood

• All heavy-gauge G90 galvanized steel.
• Low silhouette modular design for pleasing appearance.
• Gutter provides additional hood strength and rigidity.
• Hinged for maintenance access.

Base

• All galvanized construction for corrosion resistance.
• Removable panel for damper access.

Propeller

• Three, four or six wing airfoil aluminum blades.
• Steel hub plate with steel taper lock bushing.

Drives

• Sized for minimum 150% of drive horsepower.
• Single belt adjustable pitch sheaves through 3 HP.
• Two belt fixed pitch sheaves through 10 HP.
• Nonstatic v-belts.

Bearings

• Bearings designed for minimum 200,000 hour life.
• Bearings are sealed, prelubricated with relube fittings.
  

Motors

• Open drip-proof construction is standard

*Power ratings (BHP) do not include transmission losses. Performance certified is for installation type A-free inlet, free outlet. Performance ratings include the effects of appurtenances (accessories).

The sound ratings shown are loudness values in fan sones at 5 feet (1.5m) in a hemispherical free field calculated per AMCA Standard 301. Values shown are for installation Type A-Free
inlet fan sone levels.

DIMENSIONAL DATA

A = 66 inches
B = 41 inches
C = 33 inches
D = 32 inches
E = 23 inches

* C = RECOMMENDED ROOF OPENING

NOTE: FANS ARE SPECIAL NON-STOCK ITEMS AND CANNOT BE RETURNED OR CANCELLED.

Models HRSB are used in a variety of commercial and industrial operations such as warehouses, manufacturing plants, equipment and machinery rooms, assembly plants and similar facilities to provide fresh outside air for personal comfort and to reduce negative pressure caused by exhaust systems.

Hood sizes 58 to 78 inch (represents fan sizes 24 to 36) ship assembled. Hood sizes 87 to 111 inch (represents fans sizes 42 to 60) ship separate for field attachment.

CONSTRUCTION:
Panel Assembly

• Heavy-gauge G90 galvanized steel.
• All welded support structure of minimum schedule 40 galvanized pipe.
• Motor/bearing plates of minimum 10 gauge galvanized steel.

Hood

• All heavy-gauge G90 galvanized steel.
• Low silhouette modular design for pleasing appearance.
• Gutter provides additional hood strength and rigidity.
• Hinged for maintenance access.

Base

• All galvanized construction for corrosion resistance.
• Removable panel for damper access.

Propeller

• Three, four or six wing airfoil aluminum blades.
• Steel hub plate with steel taper lock bushing.

Drives

• Sized for minimum 150% of drive horsepower.
• Single belt adjustable pitch sheaves through 3 HP.
• Two belt fixed pitch sheaves through 10 HP.
• Nonstatic v-belts.

Bearings

• Bearings designed for minimum 200,000 hour life.
• Bearings are sealed, prelubricated with relube fittings.
  

Motors

• Open drip-proof construction is standard

*Power ratings (BHP) do not include transmission losses. Performance certified is for installation type A-free inlet, free outlet. Performance ratings include the effects of appurtenances (accessories).

The sound ratings shown are loudness values in fan sones at 5 feet (1.5m) in a hemispherical free field calculated per AMCA Standard 301. Values shown are for installation Type A-Free
inlet fan sone levels.

DIMENSIONAL DATA

A = 66 inches
B = 41 inches
C = 33 inches
D = 32 inches
E = 23 inches

* C = RECOMMENDED ROOF OPENING