IM-40MBDQ-05                                                                            Specifications subject to change without notice.                     23
FAN PERFORMANCES AT VARYING STATIC PRESSURES (CONT.)
Fig. 57 — Fan Performance - Size 18
Middle
Low
Rated point
Limit
High
Middle
Low
Rated point
10
External static pressure pa
(
in.w.c
)
59)
SP3
SP4
High
Middle
Low
Rated point
Limit
High
Middle
Low
Rated point
Limit
20 25 30 60 70 80 90 100 120130 140 15016040 50 110
(0.10)
(0.12)
(0.16)
(0.20)
(0.24)
(0.28)
(0.32) (0.36)
(
0.40
)
(
0.44
)
(0.48)
(0.52)
(0.56) (0.60) (0.64)
10
External static pressure pa
(
in.w.c
)
20 25 30 60 70 80 90 100 120130140 15016040 50 110
(0.10)
(0.12)
(0.16)
(0.20)
(0.24)
(0.28)
(0.32) (0.36)
(
0.40
)
(
0.44
)
(0.48)
(0.52)
(0.56) (0.60) (0.64)
10
20 25 30 60 70 80 90 100 120130 140 15016040 50 110
(0.10)
(0.12)
(0.16)
(0.20)
(0.24)
(0.28)
(0.32) (0.36)
(
0.40
)
(
0.44
)
(0.48)
(0.52)
(0.56) (0.60) (0.64)
10
External static pressure pa
(
in.w.c
)
20 25 30 60 70 80 90 100 120130 140 15016040 50 110
(0.10)
(0.12)
(0.16)
(0.20)
(0.24)
(0.28)
(0.32) (0.36)
(
0.40
)
(
0.44
)
(0.48)
(0.52)
(0.56) (0.60) (0.64)
(0.08)(0.04) (0.08)(0.04)
(0.08)(0.04)
(0.08)(0.04)
1800(1059)
1700(1000)
1600(941)
1500(882)
1400(823)
1300(765)
1200(706)
1100(647)
1000(588)
900(529)
800(471)
700(412)
600(353)
500(294)
400(23
5)
300(176)
200(118)
100(59)
0
1800(1059)
1700(1000)
1600(941)
1500(882)
1400(82
3)
1300(765)
1200(706)
1100(647)
1000(588)
900(529)
800(471)
700(412)
600(353)
500(294)
400(235)
300(176)
200(118)
100(59)
0
1800(1059)
1700(1000)
1600(941)
1500(882)
1400(823)
1300(765)
1200(706)
1100(647)
1000(588)
900(529)
800(471)
700(412)
600(353)
500(294)
400(235)
300(176)
200(118)
100(59)
0
Air volume m3h(CFM) Air volume m3h(CFM)
Air volume m3h(CFM)