COMEM EM1DB - Technical Features; General Data; Applications

5
Technical features
General data
Overall dimension See appendix B
Material Aluminum casting, powder coated; Off shore model on request; All the external part are
resistant to transformer oils, salt fog and UV rays
Color RAL 7032*
Ambient temperature -40÷80°C / -40 to 176°F
Dessicant Colored, non-poisonous silica gel; amount according application table above (The color
change from orange to green absorbing humidity)
Protection Stainless steel pipe protection against accidental blows, with openings which allow
visual inspection on the salt
Pressure load loss of air through the dehumidier 0.003 Kg /cm
2
for inlet air, 0.005 Kg/cm
2
for outlet air
Dehumidier ow capacity (hydraulic type) See graph 1
Equilibrium capacity for water vapour at 25°C and
given relative humidity
See table 2
* only for C4 corrosion class
Table 1
Graph 1
Table 2
Breather hydraulic type - Max ow rate (dm³/sec)
Equilibrium capacity for water vapor at 25°C and given relative
humidity
10% R.H. 6.4 w.t.%.
20% R.H. 10.7 w.t.%
40% R.H. 22.7 w.t.%
60% R.H. 33.3 w.t.%
80% R.H. 36.3 w.t.%
0,25
0,45
0,55
0,2
0,4
0,5
0,15
0,35
0,1
0,3
0,05
0
E11 E1D E2D E3D E4D E5D E6D E7D E8D
Applications
Table 3
Breather type Quantity of Oil
(t)
Silica gel volume
(dm
3
)
Silicagel Weight
(Kg)
E11 0 ÷ 4 0.25 0.20
1 0 ÷ 4 0.51 0.41
2 4 ÷ 8 0.97 0.78
3 8 ÷ 14 2.87 2.30
4 14 ÷ 20 7.25 5.80
5 20 ÷ 40 14.37 11.50
6 40 ÷ 60 20.75 16.60
7 60 ÷ 80 36.25 29.00
8 >80 63.37 50.70