Technical questionnaire

Did you not find the right fan wheel for your application on our website or would you like to have your pre-selection via our web-based puncat WEB fan wheel selection checked for accuracy of fit by our application engineers ?

Then feel free to use our Technical Questionnaire to describe your application in detail to our application experts. They will contact you immediately to work with you to determine the optimum solution for your system.

When you submit this form, you will receive a copy of your information by email. Alternatively, you can download the Technical Questionnaire as a pdf form and send it to us as an email attachment.

Technical questionnaire ( PDF | 100 KB )

Company

Name

Country

Your eMail address

Phone

Fax

Date

Attention! Frequently all operating details are either not known or only inaccurately known. You must therefore as a manufacturer make sure by suitable tests that the correct fan wheel has been selected. When the following questions are answered as comprehensive as possible, we can submit a proposal as quickly and as defi nite as possible. Please give us further details on a supplementary sheet. This questionnaire on no account replaces a technical specifi cation (TSP).

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.)

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/h cfm

2.2. Static pressure increase

Δpfa = Pa inWG

2.3. single flow/double flow? single flow double flow

2.4. Density of the medium

rho = kg/m³ lb/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. Drive

3.1. Is the speed variable? (min ... max) Yes

minimum 1/min

maximum 1/min

1/min

3.2. Direct motor drive

n = 1/min

3.3. Is a maximum motor power specified? Yes

maximum motor power Pw = kW hp

3.4. Operating mode? S1 - IEC 60034-1 other operating mode =

4. Dimensions and Constructional Execution of the Fan Wheel

4.1. Can a standard fan housing be used? Yes No, max. dimensions of spiral housing:

4.2. Are certain main wheel dimensions defined? Yes No
Main wheel dimensions:

4.3. Hub bore78

Ø d = mm

with/without keyway?

with without

Hub model and arrangement (e.g. inside the wheel, outside, etc.)

4.5. Material of wheel body steel aluminum other:

4.6. Additional surface protection galvanized power-coated other:

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

planned start of production

I have read the privacy statement.

Technical questionnaire

1. General Information

2. Air Duty

3. Drive

4. Dimensions and Constructional Execution of the Fan Wheel

5. Demand, Pricing

Kontaktdaten

punker GmbH

punker LLC

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