10-10
Page 22
2008-10-01
Table 5. Inside Relative Humidities At Which Moisture Will Condense On Windows (cont)
Table 6. Regain of Hygroscopic Materials
Outside
Temperature
Inside Temperature (°F/°C)
Outside
Temperature
Inside Temperature (°F/°C)
°F
°C
60/
15.5
65/
18.3
70/
21
75/
23.8
80/
26.6
°F
°C
60/
15.5
65/
18.3
70/
21
75/
23.8
80/
26.6
Double Windows, Still Air
Double Windows, Wind
-50
-45
34
34
34
33
32
-50
-45
23
26
26
26
25
-40
-40
38
38
36
36
35
-40
-40
32
30
30
29
28
-30
-34
42
42
41
40
38
-30
-34
36
34
34
32
31
-20
-29
47
46
46
44
42
-20
-29
41
39
38
35
35
-10
-23
52
50
49
48
46
-10
-23
46
45
42
42
39
0
-18
57
55
55
52
50
0
-18
52
49
47
46
44
10
-12
62
60
59
57
54
10
-12
58
56
53
52
49
20
-7
69
66
63
62
59
20
-7
65
63
59
58
54
30
-1
76
73
71
68
65
30
-1
72
70
66
64
60
40
4
84
80
79
74
71
40
4
80
78
73
70
67
NOTE: Bold
areas indicate that moisture will be in the form of frost on windows.
Industry
Materials
Relative Humidity - %
10
20
30
40
50
60
70
80
90
Baking
Crackers
Flour
White Bread
2.1
2.6
0.5
2.8
4.1
1.7
3.3
5.3
3.1
3.9
6.5
4.5
5.0
8.0
6.2
6.5
9.9
8.5
8.3
12.4
11.1
10.9
15.4
14.5
14.9
19.1
19.0
Leather
Sole Oak, Tanned
5.0
8.5
11.2
13.6
16.0
18.3
20.6
24.0
29.2
Printing
Paper – Comm. Ledger – 75% Rag
1% Ash
Paper M.F. Newsprint – 24% Ash
Paper White Bond Rag – 1% Ash
Paper Writing – 3% Ash
3.2
2.1
2.4
3.0
4.2
3.2
3.7
4.2
5.0
4.0
4.7
5.2
5.6
4.7
5.5
6.2
6.2
6.1
6.5
7.2
6.9
7.2
7.5
8.3
8.1
8.7
8.8
9.9
10.3
10.6
10.8
11.9
13.9
13.2
14.2
Textile
Cotton – Absorbent
Cotton – American-cloth
Cotton – Sea Isle-roving
Hemp – Manila and Sisal
Jute – Average Grade
Linen – Dried Spun – Yarn
Rayon – Celulose – Acetate – Fibre
Rayon – Cupramonium – Average
Skein
Rayon – Viscose Nitrocel
Silk – Raw Chevennes-Skein
Wool – Australian-Marino-Skein
4.8
2.6
2.5
2.7
3.1
3.6
0.8
4.0
4.0
3.2
4.7
9.0
3.7
3.7
4.7
5.2
5.4
1.1
5.7
5.7
5.5
7.0
12.5
4.4
4.6
6.0
6.9
6.5
1.4
6.8
6.8
6.9
8.9
15.7
5.2
5.6
7.2
8.5
7.3
1.9
7.9
7.9
8.0
10.8
18.5
5.9
6.6
8.5
10.2
8.1
2.4
9.2
9.2
8.9
12.8
20.8
6.8
7.9
9.9
12.2
8.9
3.0
10.8
10.8
10.2
14.9
22.8
8.1
9.5
11.6
14.4
9.8
3.6
12.4
12.4
11.9
17.2
24.3
10.0
11.5
13.6
17.1
11.2
4.3
14.2
14.2
14.3
19.9
25.8
14.3
14.1
15.7
20.2
13.8
5.3
10.0
16.0
18.8
23.4
Tobacco
Cigarette
5.4
8.6
11.0
13.3
16.0
19.5
25.0
33.5
50.0
Wood
Timber – Average
Glue – Hide
3.0
3.4
4.4
4.8
5.9
5.8
7.6
6.6
9.3
7.6
11.3
9.0
14.0
10.7
17.5
11.8
22.0
12.5
Miscellaneous Charcoal-Steam Activated
Gelatin
Silica Gel
Soap
Starch
7.1
0.7
5.7
1.9
2.2
14.3
1.6
9.8
3.8
3.8
22.8
2.8
12.7
5.7
5.2
26.2
3.8
15.2
7.6
6.4
28.3
4.9
17.2
10.0
7.4
29.2
6.1
18.6
12.9
8.3
30.0
7.6
20.2
16.1
9.2
31.1
9.3
21.5
19.8
10.6
32.7
11.4
22.6
23.8
12.7
NOTE:
Moisture content expressed in per cent of dry weight of the substance at various relative humidities –
Temperature 75°F.
Summary of Contents for NHPC
Page 1: ...2538144 B NH Series NHTC NHPC ELECTRODE STEAM HUMIDIFIER Engineering Manual TM ...
Page 9: ...10 00 Page 1 2008 10 01 10 00 INTRODUCTION ...
Page 10: ...10 00 Page 2 2008 10 01 Figure 1 NHTC ...
Page 13: ...10 00 Page 5 2008 10 01 Figure 2 Optimum Boiling Time Figure 3 Conductivity ...
Page 18: ...10 00 Page 10 2008 10 01 Figure 6 Typical NHRS Installation Sheet 1 of 2 ...
Page 19: ...10 00 Page 11 2008 10 01 Figure 7 Typical NHRS Installation Sheet 2 of 2 ...
Page 20: ...10 10 Page 12 2008 10 01 10 10 HUMIDITY STEAM ABSORPTION AND DISTRIBUTION ...
Page 35: ...10 10 Page 27 2008 10 01 Figure 2 Psychrometric Chart ...
Page 64: ...10 10 Page 56 2008 10 01 Figure 30 NORTEC OnLine Monitoring ...
Page 71: ...10 20 Page 63 2008 10 01 10 20 SPECIFICATIONS ...
Page 81: ...10 30 Page 73 2008 10 01 10 30 SUBMITTALS ...
Page 86: ...10 30 Page 78 2008 10 01 Figure 2 Primary Line Voltage Wiring to Unit ...
Page 87: ...10 30 Page 79 2008 10 01 Figure 3 Physical Data NHTC NHPC 005 030 ...
Page 88: ...10 30 Page 80 2008 10 01 Figure 4 Physical Data NHTC NHPC 050 100 ...
Page 89: ...10 30 Page 81 2008 10 01 Figure 5 Physical Data NHTC NHPC 150 200 ...
Page 96: ...10 30 Page 88 2008 10 01 Figure 12 In Duct AHU Installation With Mounting Frame Installation ...
Page 98: ...10 30 Page 90 2008 10 01 Figure 13 In Duct AHU Installation With Mounting Frame Installation ...
Page 100: ...10 30 Page 92 2008 10 01 Figure 16 Atmospheric SAM e Adapter Dimensions ...
Page 101: ...10 30 Page 93 2008 10 01 Figure 17 Atmospheric Steam Header and Adapter Configuration ...
Page 102: ...10 30 Page 94 2008 10 01 Figure 18 Physical Data for Remote Mounted Blower Pack ...
Page 103: ...10 30 Page 95 2008 10 01 Figure 19 Physical Data Units with Optional Built On Blower Packs ...
Page 104: ...10 30 Page 96 2008 10 01 Figure 20 Physical Data Units with Optional Built On Blower Packs ...