如何了解空气净化器
如何了解空气净化器
Send to a Friend    Printer Friendly   

如何了解空气净化器



对于OEM 应用产品,定制设计空气净化器 时,需要考虑许多因素。在规划早期,应当检查下列内容:
  • 确定过滤性能要求。
  • 净化器与空气流动(CFM)要求相匹配。
  • 分析可安装净化器的空间。
  • 指定标准和规范(NEBS, ETSI, CE, UL 60950 (原 UL 1950)等等)。

净化器选择流程


许多热设计工程师在设计空气净化器时,采用以下步骤:

  1. 选择空气净化器的尺寸(长、宽、高)。
  2. 以线性英尺/分钟为单位,计算气流速度。采用CFM为单位的风扇空气量除以用平方英尺计算的空气净化器的表面积(即200cfm./0.50平方英尺=400 FPM)
  3. 选择一次性或可重复使用的介质。
  4. 使用介质的初始电阻,对比首选介质的表面风速数据/曲线。通常情况下,初始电阻为0.10"wg (水表)或更少。
  5. 选择适当的空气净化器型号和框架厚度,以适合选定的介质厚度。例如:一次性白色UFM-50介质,适合任何框架厚度(0.30英寸、0.43英寸或0.50英寸)。0.25英寸厚度、可清洁/可重复使用的方形泡沫(Quadrafoam),适合0.30英寸和0.43英寸的厚框,0.50英寸厚的 方形泡沫适合0.50英寸厚框。
  6. 选择介质颜色。方形泡沫为绿色、灰色或黑色——聚酯为白色。
  7. 确定安装/拆卸时是否需要任何把手或其他紧固件。
  8. 准备空气净化器图纸。
 
 

QUADRAFOAM
FILTRATION PERFORMANCE DATA

Models
FF-2X, FF-3, FF-5, FF-1025-B, Windowpane, Flex-Frame, Dual/EMI
0.25 in (6,35 mm)
Thick Foam Media

 

Models
FF-5X, FF-1050B, Windowpane, Flex-Frame, Dual/EMI
0.50 in (12,70 mm)
Thick Foam Media

 

Models
FF-2X, Windowpane, Flex-Frame, Dual/EMI
0.125 in (3,18 mm)
Thick Foam Media

10
PPI

25
PPI

45
PPI

60
PPI

 

10
PPI

25
PPI

45
PPI

60
PPI

 

45
PPI

80
PPI

Inital Resistance[in inches water gauge] (Pascals)

0.01
(2,49)

0.05
(12,44)

0.07
(17,41)

0.12
(29,84)

 

0.03
(7,46)

0.08
(19,89)

0.16
(39,78)

0.25
(62,16)

 

0.04
(9,95)

0.12
(29,84)

 

Average Synthetic Dust Weight Arrestance (percent)

38

66

80

82

 

63

83

91

91

 

65

81

Tests performed according to ASHRAE Standard 52.1 -1992 
at 300 feet per minute (1,53 m/s) face velocity.

QUADRAFOAM II
FILTRATION PERFORMANCE DATA

Models
FF-2X, FF-3, FF-5, FF-1025-B, Windowpane, Flex-Frame, Dual/EMI
0.25 in (6,35 mm)
Thick Foam Media

 

Models
FF-5X, FF-1050B, Windowpane, Flex-Frame, Dual/EMI
0.50 in (12,70 mm)
Thick Foam Media

 

Models
FF-2X, Windowpane, Flex-Frame, Dual/EMI
0.125 in (3,18 mm)
Thick Foam Media

10
PPI

30
PPI

45
PPI

 

10
PPI

30
PPI

45
PPI

 

45
PPI

80
PPI

Inital Resistance[in inches water gauge] (Pascals)

0.01
(2,49)

0.05
(12,44)

0.07
(17,41)

 

0.03
(7,46)

0.09
(22,38)

0.16
(39,78)

 

0.04
(9,95)

0.12
(29,84)

 

Average Synthetic Dust Weight Arrestance (percent)

38

66

80

 

63

83

91

 

65

81

Tests performed according to ASHRAE Standard 52.1 -1992 
at 300 feet per minute (1,53 m/s) face velocity.

EMI VENT PANEL
FILTRATION PERFORMANCE DATA

Models
HC-2X, Windowpane 0.125 in (3,18) x 0.125 in (3,18)
Thick Foam Media

 

Models
HC-3, WINDOWPANE 0.125 in (3,18) x 0.25in (6,35mm)
Thick Foam Media

 

Models
HC-5X 0.125 in (3,18) x 0.50in (12,70mm)
Thick Foam Media

Inital Resistance[in inches water gauge] (Pascals)

0.005
(1,24)

 

0.007
(1,74)

 

0.01
(2,49)

 

Tests performed according to ASHRAE Standard 52.1 -1992 
at 300 feet per minute (1,53 m/s) face velocity.

DUAL EMI AIR FILTERS - QUADRAFOAM
FILTRATION PERFORMANCE DATA

Models
FF-2X, FF-3, FF-5, FF-1025-B, Windowpane, Flex-Frame, Dual/EMI
0.25 in (6,35 mm)

Thick Foam Media

 

Models
FF-5X, FF-1050B, Windowpane, Flex-Frame, Dual/EMI
0.50 in (12,70 mm)

Thick Foam Media

 

Models
FF-2X, Windowpane, Flex-Frame, Dual/EMI
0.125 in (3,18 mm)

Thick Foam Media

10
PPI

25
PPI

45
PPI

60
PPI

 

10
PPI

25
PPI

45
PPI

60
PPI

 

45
PPI

80
PPI

Inital Resistance[in inches water gauge] (Pascals)

0.01
(2,49)

0.05
(12,44)

0.07
(17,41)

0.12
(29,84)

 

0.03
(7,46)

0.08
(19,89)

0.16
(39,78)

0.25
(62,16)

 

0.04
(9,95)

0.12
(29,84)

 

Average Synthetic Dust Weight Arrestance (percent)

38

66

80

82

 

63

83

91

91

 

65

81

Tests performed according to ASHRAE Standard 52.1 -1992 
at 300 feet per minute (1,53 m/s) face velocity.

DUAL EMI AIR FILTERS - POLYESTER
FILTRATION PERFORMANCE DATA

Models
PE-2X, PE-3, PE-5, PE-1025-B, PFPE-25, Windowpane
UFM-25 --
0.25 In (6,35 mm)
Thick Foam Media

 

Models
PE-3, PE-5X, PE-1050-B, PFPE-50, Windowpane
UFM-50 / UPR --
0.50 in (12,70 mm)
Thick Foam Media

 

Models
PE-5X, PE-1050-B, Windowpane
UFM-100 --
1.00 in
(25,40 mm)
Thick Foam Media

UFM-25

UFM-50

UPR

UFM-100

UPR

Inital Resistance[in inches water gauge] (Pascals)

0.07
(17,41)

0.10 (24,86)

0.14 (34,81)

0.14
(34,81)

0.14
(34,81)

 

Average Synthetic Dust Weight Arrestance (percent)

74

80

83

89

83

Tests performed according to ASHRAE Standard 52.1 -1992 
at 300 feet per minute (1,53 m/s) face velocity.

DUAL EMI AIR FILTERS - UNIFOAM
FILTRATION PERFORMANCE DATA

Models
FF-2X, FF-3, FF-5, FF-1025-B, Windowpane, Flex-Frame, Dual/EMI
0.25 in (6,35 mm)
Thick Foam Media

 

Models
FF-5X, FF-1050B, Windowpane, Flex-Frame, Dual/EMI
0.50 in (12,70 mm)
Thick Foam Media

 

Models
FF-2X, Windowpane, Flex-Frame, Dual/EMI
0.125 in (3,18 mm)
Thick Foam Media

10
PPI

25
PPI

45
PPI

60
PPI

 

10
PPI

25
PPI

45
PPI

60
PPI

 

45
PPI

80
PPI

Inital Resistance[in inches water gauge] (Pascals)

0.01
(2,49)

0.03 (7,46)

0.07
(17,41)

0.12
(29,84)

 

0.03
(7,46)

0.08
(19,89)

0.16
(39,78)

0.25
(62,16)

 

0.04
(9,95)

0.12
(29,84)

 

Average Synthetic Dust Weight Arrestance (percent)

38

63

80

82

 

63

83

91

91

 

65

81

Tests performed according to ASHRAE Standard 52.1 -1992 
at 300 feet per minute (1,53 m/s) face velocity.

DUAL EMI AIR FILTERS - QUADRAFOAM II
FILTRATION PERFORMANCE DATA

Models
FF-2X, FF-3, FF-5, FF-1025-B, Windowpane, Flex-Frame, Dual/EMI
0.25 in (6,35 mm)
Thick Foam Media

 

Models
FF-5X, FF-1050B, Windowpane, Flex-Frame, Dual/EMI
0.50 in (12,70 mm)
Thick Foam Media

 

Models
FF-2X, Windowpane, Flex-Frame, Dual/EMI
0.125 in
(3,18 mm)
Thick Foam Media

10
PPI

30
PPI

45
PPI

 

10
PPI

30
PPI

45
PPI

 

45
PPI

80
PPI

Inital Resistance[in inches water gauge] (Pascals)

0.01
(2,49)

0.05
(12,44)

0.07
(17,41)

 

0.03
(7,46)

0.09
(22,38)

0.16
(39,78)

 

0.04
(9,95)

0.12
(29,84)

 

Average Synthetic Dust Weight Arrestance (percent)

38

66

80

 

63

83

91

 

65

81

Tests performed according to ASHRAE Standard 52.1 -1992 
at 300 feet per minute (1,53 m/s) face velocity.

WINDOWPANE AIR FILTERS - QUADRAFOAM
FILTRATION PERFORMANCE DATA

Models
FS-XX25
0.25 in (6,35 mm)
Thick Foam Media

 

Models
FS-XX50
0.50 in (12,70 mm)
Thick Foam Media

 

Models
FS-XX12
0.125 in (3,18 mm)
Thick Foam Media

10
PPI

25
PPI

45
PPI

60
PPI

 

10
PPI

25
PPI

45
PPI

60
PPI

 

45
PPI

80
PPI

Inital Resistance[in inches water gauge] (Pascals)

0.01
(2,49)

0.05
(12,44)

0.07
(17,41)

0.12
(29,84)

 

0.03
(7,46)

0.08
(19,89)

0.16
(39,78)

0.25
(62,16)

 

0.04
(9,95)

0.12
(29,84)

 

Average Synthetic Dust Weight Arrestance (percent)

38

66

80

82

 

63

83

91

91

 

65

81

Tests performed according to ASHRAE Standard 52.1 -1992 
at 300 feet per minute (1,53 m/s) face velocity.

WINDOWPANE AIR FILTERS - POLYESTER
FILTRATION PERFORMANCE DATA

Models
FS-XX25
UFM-25 --
0.25 In (6,35 mm)
Thick Foam Media

 

Models
FS-XX50
0.50 in (12,70 mm)
Thick Foam Media

 

Models
FS-XX12
1.00 in
(25,40 mm)
Thick Foam Media

UFM-25

UFM-50

UPR

UFM-
100

UPR

Inital Resistance[in inches water gauge] (Pascals)

0.07
(17,41)

0.10
(24,86)

0.14
(34,81)

0.14
(34,81)

0.14
(34,81)

 

Average Synthetic Dust Weight Arrestance (percent)

74

80

83

89

83

Tests performed according to ASHRAE Standard 52.1 -1992 
at 300 feet per minute (1,53 m/s) face velocity.

WINDOWPANE AIR FILTERS - UNIFOAM
FILTRATION PERFORMANCE DATA

Models
FS-XX25
0.25 in (6,35 mm)
Thick Foam Media

 

Models
FS-XX50
0.50 in (12,70 mm)
Thick Foam Media

 

Models
FS-XX12
0.125 in (3,18 mm)
Thick Foam Media

10
PPI

25
PPI

45
PPI

60
PPI

 

10
PPI

25
PPI

45
PPI

60
PPI

 

45
PPI

80
PPI

Inital Resistance[in inches water gauge] (Pascals)

0.01
(2,49)

0.03 (7,46)

0.07
(17,41)

0.12
(29,84)

 

0.03
(7,46)

0.08
(19,89)

0.16
(39,78)

0.25
(62,16)

 

0.04
(9,95)

0.12
(29,84)

 

Average Synthetic Dust Weight Arrestance (percent)

38

63

80

82

 

63

83

91

91

 

65

81

Tests performed according to ASHRAE Standard 52.1 -1992 
at 300 feet per minute (1,53 m/s) face velocity.

WINDOWPANE AIR FILTERS - QUADRAFOAM II
FILTRATION PERFORMANCE DATA

Models
FS-XX25
0.25 in (6,35 mm)
Thick Foam Media

 

Models
FS-XX50
0.50 in (12,70 mm)
Thick Foam Media

 

Models
FS-XX12
0.125 in
(3,18 mm)
Thick Foam Media

10
PPI

30
PPI

45
PPI

 

10
PPI

30
PPI

45
PPI

 

45
PPI

80
PPI

Inital Resistance[in inches water gauge] (Pascals)

0.01
(2,49)

0.05
(12,44)

0.07
(17,41)

 

0.03
(7,46)

0.09
(22,38)

0.16
(39,78)

 

0.04
(9,95)

0.12
(29,84)

 

Average Synthetic Dust Weight Arrestance (percent)

38

66

80

 

63

83

91

 

65

81

Tests performed according to ASHRAE Standard 52.1 -1992 
at 300 feet per minute (1,53 m/s) face velocity.

PYROCIDE VENT PANELS
FILTRATION PERFORMANCE DATA

Models
HC-2X, Windowpane 0.125 in (3,18) x 0.125 in (3,18)
Thick Foam Media

Models
HC-3, WINDOWPANE 0.125 in (3,18) x 0.25in (6,35mm)
Thick Foam Media

Models
HC-5X 0.125 in (3,18) x 0.50in (12,70mm)
Thick Foam Media

Inital Resistance[in inches water gauge] (Pascals)

0.006
(1,49)

 

0.008
(1,99)

 

0.01
(2,49)

 

Tests performed according to ASHRAE Standard 52.1 -1992 
at 300 feet per minute (1,53 m/s) face velocity.

FLEX-FRAME AIR FILTERS - QUADRAFOAM
FILTRATION PERFORMANCE DATA

Models
FF-2X, FF-3, FF-5, FF-1025-B, Windowpane, Flex-Frame, Dual/EMI
0.25 in (6,35 mm)
Thick Foam Media

 

Models
FF-5X, FF-1050B, Windowpane, Flex-Frame, Dual/EMI
0.50 in (12,70 mm)
Thick Foam Media

 

Models
FF-2X, Windowpane, Flex-Frame, Dual/EMI
0.125 in (3,18 mm)
Thick Foam Media

10
PPI

25
PPI

45
PPI

60
PPI

 

10
PPI

25
PPI

45
PPI

60
PPI

 

45
PPI

80
PPI

Inital Resistance[in inches water gauge] (Pascals)

0.01
(2,49)

0.05
(12,44)

0.07
(17,41)

0.12
(29,84)

 

0.03
(7,46)

0.08
(19,89)

0.16
(39,78)

0.25
(62,16)

 

0.04
(9,95)

0.12
(29,84)

 

Average Synthetic Dust Weight Arrestance (percent)

38

66

80

82

 

63

83

91

91

 

65

81

Tests performed according to ASHRAE Standard 52.1 -1992 
at 300 feet per minute (1,53 m/s) face velocity.

FLEX-FRAME AIR FILTERS - UNIFOAM
FILTRATION PERFORMANCE DATA

Models
FF-2X, FF-3, FF-5, FF-1025-B, Windowpane, Flex-Frame, Dual/EMI
0.25 in (6,35 mm)
Thick Foam Media

 

Models
FF-5X, FF-1050B, Windowpane, Flex-Frame, Dual/EMI
0.50 in (12,70 mm)
Thick Foam Media

 

Models
FF-2X, Windowpane, Flex-Frame, Dual/EMI
0.125 in (3,18 mm)
Thick Foam Media

10
PPI

25
PPI

45
PPI

60
PPI

 

10
PPI

25
PPI

45
PPI

60
PPI

 

45
PPI

80
PPI

Inital Resistance[in inches water gauge] (Pascals)

0.01
(2,49)

0.03 (7,46)

0.07
(17,41)

0.12
(29,84)

 

0.03
(7,46)

0.08
(19,89)

0.16
(39,78)

0.25
(62,16)

 

0.04
(9,95)

0.12
(29,84)

 

Average Synthetic Dust Weight Arrestance (percent)

38

63

80

82

 

63

83

91

91

 

65

81

Tests performed according to ASHRAE Standard 52.1 -1992 
at 300 feet per minute (1,53 m/s) face velocity.

FLEX-FRAME AIR FILTERS - QUADRAFOAM II
FILTRATION PERFORMANCE DATA

Models
FF-2X, FF-3, FF-5, FF-1025-B, Windowpane, Flex-Frame, Dual/EMI
0.25 in (6,35 mm)
Thick Foam Media

 

Models
FF-5X, FF-1050B, Windowpane, Flex-Frame, Dual/EMI
0.50 in (12,70 mm)
Thick Foam Media

 

Models
FF-2X, Windowpane, Flex-Frame, Dual/EMI
0.125 in
(3,18 mm)
Thick Foam Media

10
PPI

30
PPI

45
PPI

 

10
PPI

30
PPI

45
PPI

 

45
PPI

80
PPI

Inital Resistance[in inches water gauge] (Pascals)

0.01
(2,49)

0.05
(12,44)

0.07
(17,41)

 

0.03
(7,46)

0.09
(22,38)

0.16
(39,78)

 

0.04
(9,95)

0.12
(29,84)

 

Average Synthetic Dust Weight Arrestance (percent)

38

66

80

 

63

83

91

 

65

81

Tests performed according to ASHRAE Standard 52.1 -1992 
at 300 feet per minute (1,53 m/s) face velocity.

POLYESTER AIR FILTERS
FILTRATION PERFORMANCE DATA

Models
PE-2X, PE-3, PE-5, PE-1025-B, Polyfold, Windowpane UFM-25 -- 0.25 In (6,35 mm)
Thick Foam Media

Models
PE-3, PE-5X, PE-1050-B, Polyfold, Windowpane UFM-50 / UPR -- 0.50 in (12,70 mm)
Thick Foam Media

Models
PE-5X, PE-1050-B, Polyfold, Windowpane UFM-100 -- 1.00 in (25,40 mm)
Thick Foam Media

UFM-25

UFM-50

UPR

UFM-
100

UPR

Inital Resistance[in inches water gauge] (Pascals)

0.07
(17,41)

0.10
(24,86)

0.14
(34,81)

0.14
(34,81)

0.14
(34,81)

 

Average Synthetic Dust Weight Arrestance (percent)

74

80

83

89

83

Tests performed according to ASHRAE Standard 52.1 -1992 
at 300 feet per minute (1,53 m/s) face velocity.

POLYFOLD AIR FILTERS - QUADRAFOAM
FILTRATION PERFORMANCE DATA

Models
PF-1025, PF-2525, PF-4525, PF-6025
0.25 in (6,35 mm)
Thick Foam Media

 

Models
PF-1050, PF-2550, PF-4550, PF-6050
0.50 in (12,70 mm)

Thick Foam Media

 

Models
PF-1012, PF-2512, PF-4512, PF-6012
0.125 in (3,18 mm)

Thick Foam Media

10
PPI

25
PPI

45
PPI

60
PPI

 

10
PPI

25
PPI

45
PPI

60
PPI

 

45
PPI

80
PPI

Inital Resistance[in inches water gauge] (Pascals)

0.01
(2,49)

0.04 (9,95)

0.05 (12,44)

0.10 (24,87)

 

0.03 (7,46)

0.07 (17,41)

0.12 (29,84)

0.25 (62,16)

 

0.03
(7,46)

0.10
(24,87)

 

Average Synthetic Dust Weight Arrestance (percent)

38

66

80

82

 

63

83

91

91

 

65

81

Tests performed according to ASHRAE Standard 52.1 -1992 
at 300 feet per minute (1,53 m/s) face velocity.

POLYFOLD AIR FILTERS - POLYESTER
FILTRATION PERFORMANCE DATA

Models
PFPE-25
UFM-25 -- 0.25 In (6,35 mm)
Thick Foam Media

 

Models
PFPE-50
UFM-50 / UPR -- 0.50 in (12,70 mm)
Thick Foam Media

 

Models
PFPE-100
UFM-100 -- 1.00 in (25,40 mm)
Thick Foam Media

UFM-25

UFM-50

UFM-100

Inital Resistance[in inches water gauge] (Pascals)

0.05
(12,44)

0.09
(22,38)

0.12
(29,84)

 

Average Synthetic Dust Weight Arrestance (percent)

74

88

89

Tests performed according to ASHRAE Standard 52.1 -1992 
at 300 feet per minute (1,53 m/s) face velocity.

POLYFOLD AIR FILTERS - UNIFOAM
FILTRATION PERFORMANCE DATA

Models
PF-1025, PF-2525, PF-4525, PF-6025
0.25 in (6,35 mm)
Thick Foam Media

 

Models
PF-1050, PF-2550, PF-4550, PF-6050
0.50 in (12,70 mm)

Thick Foam Media

 

Models
PF-1012, PF-2512, PF-4512, PF-6012
0.125 in (3,18 mm)

Thick Foam Media

10
PPI

25
PPI

45
PPI

60
PPI

 

10
PPI

25
PPI

45
PPI

60
PPI

 

45
PPI

80
PPI

Inital Resistance[in inches water gauge] (Pascals)

0.01
(2,49)

0.04 (9,95)

0.05 (12,44)

0.10 (24,87)

 

0.03 (7,46)

0.07 (17,41)

0.12 (29,84)

0.25 (62,16)

 

0.03
(7,46)

0.10
(24,87)

 

Average Synthetic Dust Weight Arrestance (percent)

38

66

80

82

 

63

83

91

91

 

65

81

Tests performed according to ASHRAE Standard 52.1 -1992 
at 300 feet per minute (1,53 m/s) face velocity.

POLYFOLD AIR FILTERS - QUADRAFOAM II
FILTRATION PERFORMANCE DATA

Models
PF-1025, PF-2525, PF-4525, PF-6025
0.25 in (6,35 mm)
Thick Foam Media

 

Models
PF-1050, PF-2550, PF-4550, PF-6050
0.50 in (12,70 mm)
Thick Foam Media

 

Models
PF-1012, PF-2512, PF-4512, PF-6012
0.125 in
(3,18 mm)
Thick Foam Media

10
PPI

30
PPI

45
PPI

 

10
PPI

30
PPI

45
PPI

 

45
PPI

80
PPI

Inital Resistance[in inches water gauge] (Pascals)

0.01
(2,49)

0.04 (9,95)

0.05 (12,44)

 

0.03 (7,46)

0.07 (17,41)

0.12 (29,84)

 

0.03
(7,46)

0.10
(24,87)

 

Average Synthetic Dust Weight Arrestance (percent)

38

66

80

 

63

83

91

 

65

81

Tests performed according to ASHRAE Standard 52.1 -1992 
at 300 feet per minute (1,53 m/s) face velocity.

UNIFOAM AIR FILTERS
FILTRATION PERFORMANCE DATA

Models
FF-2X, FF-3, FF-5, FF-1025-B, Windowpane, Flex-Frame, Dual/EMI
0.25 in (6,35 mm)
Thick Foam Media

 

Models
FF-5X, FF-1050B, Windowpane, Flex-Frame, Dual/EMI
0.50 in (12,70 mm)
Thick Foam Media

 

Models
FF-2X, Windowpane, Flex-Frame, Dual/EMI
0.125 in (3,18 mm)
Thick Foam Media

10
PPI

25
PPI

45
PPI

60
PPI

 

10
PPI

25
PPI

45
PPI

60
PPI

 

45
PPI

80
PPI

Inital Resistance[in inches water gauge] (Pascals)

0.01
(2,49)

0.03
(7,46)

0.07
(17,41)

0.12
(29,84)

 

0.03
(7,46)

0.08
(19,89)

0.16
(39,78)

0.25
(62,16)

 

0.04
(9,95)

0.12
(29,84)

 

Average Synthetic Dust Weight Arrestance (percent)

38

63

80

82

 

63

83

91

91

 

65

81

Tests performed according to ASHRAE Standard 52.1 -1992 
at 300 feet per minute (1,53 m/s) face velocity.

METAL MESH
FILTRATION PERFORMANCE DATA

Models
FF-2X, FF-3, FF-5, FF-1025-B, Windowpane
0.25 in (6,35 mm)
Thick Metal Mesh Media

 

Models
FF-5X, FF-1050B, Windowpane
0.50 in (12,70 mm)
Thick Metal Mesh Media

Initial Resistance[in inches water gauge] (Pascals)

0.07
(17,41)

 

0.14
(34,82)

 

Average Synthetic Dust Weight Arrestance (percent)

46

 

62

Tests performed according to ASHRAE Standard 52.1 -1992
at 300 feet per minute (1,53 m/s) face velocity.