Page 125 - Schroeder - Fuel Filtration

Relative Humidity-Absolute Water Content Appendix A

T-5582
Conversion Table
Relative Humidity - Absolute Water Content (ppm)
Diesel B5
Rel. Humidity Temperature ( C )
[%] 25 30 35 40 45 50 55 60 65 70 75
5 5 6 6 7 8 10 11 12 13 15 17
10 10 11 13 15 17 19 21 24 27 30 34
15 15 17 19 22 25 29 32 36 40 45 50
20 20 23 26 30 34 38 43 48 54 60 67
25 24 28 32 37 42 48 54 60 67 75 84
30 29 34 39 44 50 57 64 72 81 90 101
35 34 39 45 52 59 67 75 84 94 105 117
40 39 45 52 59 67 76 86 96 108 121 134
45 44 51 58 66 76 86 96 108 121 136 151
50 49 56 65 74 84 95 107 120 135 151 168 Absolute water content (interpolated) at different temperatures and relative humidities
55 54 62 71 81 92 105 118 133 148 166 184
60 59 68 78 89 101 114 129 145 162 181 201
65 64 73 84 96 109 124 139 157 175 196 218
70 69 79 91 103 117 133 150 169 189 211 235
75 73 85 97 111 126 143 161 181 202 226 252
80 78 90 103 118 134 152 172 193 216 241 268
85 83 96 110 125 143 162 182 205 229 256 285
90 88 101 116 133 151 171 193 217 243 271 302
95 93 107 123 140 159 181 204 229 256 286 319
100 98 113 129 148 168 190 214 241 270 301 335

Determination of the water saturation curve

Water Saturation Curve - Diesel B5

600

500

Water Content, ppm 400 Free Water

300

200
Dissolved Water
100

0
20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95
T emperature °C

Saturation Curve

SCHROEDER INDUSTRIES | FUEL FILTRATION 125