Filter
Top Products
30
Table 9C -- High--Static Drive Data, 60 Hz — English
UNIT
40RUA*07
40RUQ*07
40RUA*08
40RUQ*08
40RUS*08
40RUA*12
40RUQ*12
40RUS*12
40RUA*14
40RUS*14
40RUA*16
40RUQ*16
40RUS*16
MOTOR DRIVE
Motor Pulley Pitch Diameter (in.) 3.4---4.4 3.4---4.4 3.4---4.4 3.7---4.7 4.3---5.3
Pulley F actory Setting
Full Turns Open
2.5 2.5 2.5 3.0 3.0
FAN DRIVE
Pulley Pitch Dia (in.) 7.0 6.0* 6.0 7.4 7.9
Pulley Bore (in.) 1 1 1 1
7
/
16
1
7
/
16
Belt No. — Section 1—A 1—A 1—A 1—B 1—B
Belt Pitch ( in.) 41.3 37.3 37.3 39.8 39.8
FAN SPEEDS (rpm)
Factory Setting 961 1121 1121 979 1060
Range 838---1084 978---1200*† 978---1200† 873---1096 950---1171
Max Allowable Speed (rpm) 1200 1200 1200 1200 1200
Change per
1
/
2
Turn of
Moveable Motor Pulley
Flange
24.6 28.7 28.7 19.4 18.4
MAX FULL TURNS FROM
CLOSED POSITION
5 5 5 6 6
SHAFTS CENTER DISTANCE (in.) 10.44---12.32 10.44---12.32 10.44---12.32 10.44---12.32** 9.16---10.99
* Val ues for 3---phase motor shown. For sin gle---phase motor, pulley pitch diameter is 7 in. And
resulting fan speed is 837---1096 rpm.
† It is possibl e to adjust drive so tha t fan speed exceeds maximum allo wable. DO NOT exceed 1200 r pm.
** 575---v unit has a center distance of 9.16---10.99.
Table 9D -- Standard Drive Data, 60 Hz — SI
UNIT
40RUA*07
40RUQ*07
40RUA*08
40RUQ*08
40RUS*08
40RUA*12
40RUQ*12
40RUS*12
40RUA*14
40RUS*14
40RUA*16
40RUQ*16
40RUS*16
MOTOR DRIVE
Motor Pulley Pitch Diameter (mm) 61.0---86.4 71.1---96.5 86.4---111.8 71.1---96.5 71.1---96.5
Pulley F actory Setting
Full Turns Open
2.5 2.5 2.5 2.5 2.5
FAN DRIVE
Pulley Pitch Dia (mm) 224 224 224 229 229
Pulley Bore (mm) 25.4 25.4 25.4 36.5 36.5
Belt No. — Section 1—A 1—A 1—A 1—A 1—A
Belt Pitch (mm) 1024 1049 1074 1074 1074
FAN SPEEDS (r/s)
Factory Setting 9.5 10.8 12.7 10.5 10.5
Range 7.8---11.1 9.2---12.4 11.1---14.4 9.0---12.1 9.0---12.1
Max Allowable Speed (r/s) 20.0 20.0 20.0 20.0 20.0
Change per
1
/
2
Turn of
Moveable Motor Pulley
Flange
0.327 0.327 0.328 0.318 0.318
MAX FULL TURNS FROM
CLOSED POSITION
5 5 5 5 5
SHAFTS CENTER DISTANCE (mm) 265---313 265---313 265---313 265---313 265---313
40RU