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1. AIR DUCTING WORK
1-1. Static Pressure Characteristics
0
20
40
60
80
100
120
140
160
380 480 580 680 780 880 980
Standard air volume: 800 m³/h
Upper limit of
external static
pressure (120 Pa)
High
(120 Pa)
Lower limit of external
static pressure (120 Pa)
Low
(120 Pa)
Low
(120 Pa)
Standard filter pressure loss
External static pressure (Pa)External static pressure (Pa)
Air Volume (m³/h)
Air Volume (m³/h)
High
(100 Pa)
High
(80 Pa)
High
(65 Pa)
High
(50 Pa)
High
(40 Pa)
High
(30 Pa)
0
20
40
60
80
100
120
140
160
570 770670 970870 11701070 13701270 1470
Standard air volume: 1200 m³/h
Standard filter pressure loss
External static pressure (Pa)
Air Volume (m³/h)
0
20
40
60
80
100
120
140
160
1000 1200 1400 1600 1800 2000 2200 2400 2600
Standard air volume: 1200 m³/h
Standard filter pressure loss
SM40, SM45, SM56 type SM80 type
SM110, SM140, SM160 type
Upper limit of
external static
pressure (120 Pa)
Lower limit of external
static pressure (120 Pa)
High
(120 Pa)
High
(100 Pa)
High
(80 Pa)
High
(65 Pa)
High
(50 Pa)
High
(40 Pa)
High
(30 Pa)
Upper limit of
external static
pressure (120 Pa)
Lower limit of external
static pressure (120 Pa)
High
(120 Pa)
High
(100 Pa)
High
(80 Pa)
High
(65 Pa)
High
(50 Pa)
High
(40 Pa)
High
(30 Pa)