6
SS-PCB50
P
RODUCT
S
PECIFICATIONS
Motor Sheave - Adjustable Factory Setting
Fan Sheave - Fixed Two Turns Opens
Motor Sheave Turns Open
0
1
2
3
4
5
Fan RPM
3.0 HP Motor
1242
1186
1129
1073
1016
960
Note:
Allow ±5% variation in blower RPM due to pulley manufacturing tolerances.
Conversion Factor:
1 CFM = 0.472 L/S
1” W.C. = 2.5 M Bar
1 HP = 0.747 kW
F
AN
P
ERFORMANCE
D
ATA
(
CONT
.)
S
UPPLY
F
AN
P
ERFORMANCE
- PCB120
CFM
External Static Pressure (INCHES W.C.)
0.2
0.4
0.6
0.8
1.0
1.2
1.4
1.6
RPM
BHP
RPM
BHP
RPM
BHP
RPM
BHP
RPM
BHP
RPM
BHP
RPM
BHP
RPM
BHP
3400
679
0.73
781
0.98
873
1.26
957
1.58
1034
1.91
1105
2.26
1171
2.26
1233
2.99
3600
706
0.83
805
1.10
894
1.39
975
1.71
1051
2.05
1121
2.41
1188
2.78
1249
3.17
3800
733
0.95
829
1.23
916
1.53
995
1.85
1069
2.20
1139
2.57
1204
2.95
1266
3.36
4000
761
1.07
855
1.37
938
1.68
1016
2.01
1088
2.36
1156
2.74
1221
3.14
1282
3.55
4200
790
1.21
880
1.52
961
1.84
1037
2.18
1108
2.54
1175
2.93
1239
3.33
1299
3.75
4400
818
1.36
906
1.68
985
2.01
1059
2.36
1128
2.73
1194
3.13
1257
3.54
1316
3.97
Notes:
Selections in
ITALICS
require a
fi
eld drive change. See following table below for drive ranges.
Table includes all internal pressure drops including cabinet losses. See Pressure Drops table that must be considered as part of
external static pressure drop.
•
•
F
IGURE
5. F
AN
C
URVE
- PCB 120
S
UPPLY
F
AN
D
RIVE
D
ATA
- PCB120
