• quiet and efficient
axial flow
impeller
• best for high flows, low to moderate pressures
• adjustable pitch for exact performance matching
• cast aluminum hub, steel taperlock bushing
• choice of 5 or 10 blades in GRP or aluminum
• spark resistant construction
AID MULTILINE
• backward curved airfoil
centrifugal
impeller
• best for lower flows, medium to high pressures
• extremely quiet and efficient
• stall resistant even at shutoff
• rugged glass reinforced polyamide impeller
• spark resistant construction
TID MULTILINE
• unique adjustable pitch
mixed flow
impeller
• moderate airflows, medium to high pressures
• quiet performance; stall resistant at high pressures
• more compact than inline centrifugals
• aluminum impeller; steel taperlock bushing
• spark resistant construction
MID MULTILINE
