Greenheck Fan Centrifugal Roof Exhaust Fans NYB - Manual (Page 5)

5
Model
Number
Motor
HP
Fan
RPM
CFM / Static Pressure in Inches wg
0.000 0.125 0.250 0.300 0.375 0.500 0.625 0.750 0.875 1.000
NYD-75-A 1/4 1725
CFM 488 438 382 359 325 258 169
BHP 0.05 0.05 0.05 0.06 0.06 0.06 0.06
NYD-90-B 1/6 1140
CFM 723 617 484 418 253
BHP 0.04 0.05 0.05 0.05 0.05
NYD-90-A 1/4 1725
CFM 1094 1028 957 924 874 787 690 575 339
BHP 0.14 0.15 0.16 0.17 0.17 0.18 0.19 0.19 0.15
NYD-100-B 1/6 1140
CFM 1363 1223 1081 1017 920 713 417
BHP 0.11 0.12 0.13 0.14 0.14 0.14 0.12
NYD-100-A 1/4 1725
CFM 2062 1970 1877 1841 1787 1700 1590 1486 1377 1255
BHP 0.37 0.39 0.42 0.43 0.44 0.45 0.46 0.48 0.49 0.50
NYD-120-B 1/6 1140
CFM 1429 1303 1168 1108 1010 800
BHP 0.12 0.14 0.16 0.16 0.17 0.17
NYD-120-A 3/4 1725
CFM 2162 2080 1996 1962 1908 1819 1725 1623 1513 1387
BHP 0.43 0.45 0.48 0.49 0.50 0.53 0.55 0.57 0.58 0.59
NYD-130-B 1/4 1140
CFM 2184 2005 1815 1741 1627 1421 1180 745
BHP 0.22 0.23 0.24 0.25 0.25 0.26 0.26 0.22
NYD-140-B 1/2 1140
CFM 2705 2534 2376 2308 2199 1999 1765 1483 1090
BHP 0.30 0.33 0.35 0.36 0.38 0.40 0.40 0.40 0.36
Performance certified is for installation type A: free inlet, free outlet. Performance ratings include the effects of a birdscreen.
Performance Data
NYD - Direct Drive Models
0 500 1000 1500 2000 2500 3000 3500
0
50
100
150
200
250
300
350
400
0 300 600 900 1200 1500 1800 2100
0.0
0.2
0.4
0.6
0.8
1.0
1.2
1.4
1.6
1.8
Static Pr
essur
e in. wg
cfm
m 3 /hr
Static Pr
essur
e Pa
NYD-100-A
NYD-90-A
NYD-100-B
NYD-90-B
NYD-75-A
RPM
Density 0.075 lb/ft³
0 500 1000 1500 2000 2500 3000 3500 4000 4500
0
50
100
150
200
250
300
350
400
0 400 800 1200 1600 2000 2400 2800
0.0
0.2
0.4
0.6
0.8
1.0
1.2
1.4
1.6
1.8
Static Pr
essur
e in. wg
cfm
m 3 /hr
Static Pr
essur
e Pa
NYD-120-A
NYD-140-B
NYD-120-B NYD-130-B
RPM
Density 0.075 lb/ft³