Fan Identification

Answer 1

IEAH

—Industrial Exhaust Air Handler

—Handles air/very light particulate

—Most efficient IE type

—Flat blades

—Tapered shroud

—Ten Blades

Answer 2

IEPW

—Industrial Exhaust Paddle Wheel

—Handles air/some light material

—Least efficient IE type

—Radial blades

—No shrouds

—Most “rugged” design

—Stiffening Rings

—Six Blades

Answer 3

IEFB

—Industrial Exhaust Flat Backplate

—Handles air/some light material

—Radial blades

—With Backplate

—Stiffening Ring

—Six Blades

Answer 4

IETW

—Industrial Exhaust Trim handling Wheel

—Handles air/some medium material

—Radial blades

—With Backplate

—Stiffener Gussets

—Six Blades

Answer 5

IETX

—Industrial Exhaust Trim handling Xtra heavy duty wheel

—Handles air/some heavy material

—Radial blades

—With Backplate

—Stiffener Gussets

—Extra beefy wheel

—Six Blades

Answer 6

IERS

—Industrial Exhaust Radial blade Shrouded

—Handles air/some light material

—Radial blades

—With Backplate

—With Shroud

—Ten Blades

Answer 7

BIHS

—Backward Inclined High volume Single width

—Handles air only

—More efficient than IE

—Flat blades

—Flat shroud

—Spun shroud

—Stiffening ring

Nine Blades

Answer 8

AFHS

—Air Foil High volume Single width

—Handles air only

—Most efficient fan

—Not our wheel

—Flat shroud

—Spun shroud

—Plane wing blades

—Nine Blades?

Answer 9

RTHS

—Radial Tipped High volume Single width

—Handles air/light particulate

—More efficient than IE

—Forward curved blades

—Tapered shroud

—Stiffening ring

—Rugged HS wheel

Twelve Blades

Answer 10

BCHS

—Backward Curved High volume Single width

—Handles air only

—Backward curved blades

—Flat shroud

—Spinnings

—Highest volume HS

—Stiffening ring(s)

—Fastest rated HS

—Ten Blades