1. General Information
1.1. Fan application (type of unit and appliance, rail application, compressor, etc.)
1.2. Are there any special requirements on safety conditions? (e.g. explosion protection, danger of accident at wheel failure, etc.)
Please state special requirements:
1.3. Medium to be handled and its state (e.g. smoke gas with t max = 300° C, dust laden air or similar)??
2. Air Duty
2.1. Volume flow
V' = m³/hcfm
2.2. Static pressure increase
Δpfa = PainWG
2.3. single flow/double flow?       einflutigdoppelflutig
2.4. Density of the medium
rho = kg/m³lb/ft³
2.5. Max. media temperature
t = °C°F
2.6. Max. A-rated sound power level
Lw = dB(A)
2.7. Other technical details (e.g. max. flow speed, special curve steepness, etc.)?
3.1 Is the speed variable?
minimum ; maximum rpm
fixed speed rpm
3.2. Direct motor drive
n = rpm
3.3. Is a maximum motor power specified?
maximum motor power Pw = kWhp
3.4 Operating mode?
other operating mode =
4. Dimensions and Constructional Execution of the Fan Wheel
4.1. Can a standard fan housing be used?
max. dimensions of spiral housing:
4.2. Are certain main wheel dimensions defined?
main wheel dimensions:
4.3. Hub bore
Ø d = mm, fit
4.4. Hub model and arrangement (e.g. inside the wheel, outside, etc.)
4.5. Material of wheel body
4.6. Additional surface protection
other surface protection:
4.7. Additional specifications
5. Demand, Pricing
5.1 You would like to request an offer for:
Sample wheels: pcs.
(later) batch: pcs/year
Lot size pcs/order
5.2 planned start of production TT/MM/JJJJ