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The New York Blower Company is committed to supporting and supplying necessary equipment to meet the critical demands of the supply chains essential to aid America in this time of need. NYB will keep our factories open and operational while practicing social distancing and all other recommended practices put forth by the CDC. If you have particular questions, please visit our contact us page located here.


Engineering Letters

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The NYB Engineering Letters are a collection of technical documents produced on a variety of fan-related topics.

Number Subject PDF name
1 System Calculation EL-01.pdf
2 Fan Laws and System Curves EL-02.pdf
3 Understanding Fan Performance Curves EL-03.pdf
4 Temperature and Altitude Affect Fan Selection EL-04.pdf
5 Fan Performance - The System Effect EL-05.pdf
6 Increasing Fan Performance EL-06.pdf
7 Field Testing of Fan Systems EL-07.pdf
8 Proper Selection of Pressure Blowers EL-08.pdf
9 Pneumatic Conveying EL-09.pdf
10 Fans and Blowers for Combustion Process EL-10.pdf
11 Selection Criteria for Fan Dampers EL-11.pdf
12 Fan Acoustics EL-12.pdf
13 Fan Balance and Vibration EL-13.pdf
14 Stainless Steel Specifications for Fan Equipment EL-14.pdf
15 Practical Limits of Spark-Resistant Construction EL-15.pdf
16 Corrosion-Resistant Coatings for Fan Equipment EL-16.pdf
17 Coating Surface Preparation Specifications EL-17.pdf
18 Corrosion Resistance of FRP Fans EL-18.pdf
19 Design and Construction of NYB FRP Fans EL-19.pdf
20 Accessories and Construction Modifications for FRP Fans EL-20.pdf
21 Surface Veil for FRP Fans EL-21.pdf
22 Integral Motors for Centrifugal Fans EL-22.pdf
23 Electric Motor Codes and Standards EL-23.pdf
24 Fundamentals of Steam EL-24.pdf
25 Industrial Steam Heating Systems EL-25.pdf


Fan Outlet Flow Rate EL-26.pdf
27 Airstreams with High Material Loadings EL-27.pdf
28 Fan and Blower Non- Dimensional Coefficients EL-28.pdf
29 Compressibility Coefficient EL-29.pdf
30 Centrifugal AMCA Fan Arrangement 8 Vs 7 (And 3) EL-30.pdf
31 Centrifugal Fan Dust Load Guidelines  EL-31.pdf
E Miscellaneous Engineering Data EL-E.pdf
G Engineering Letter Glossary EL-G.pdf



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