27
l. External oil filter
External oil filter is an optional accessory of external oil separator. It is suggested to install an external oil filter in oil
return line before the suction port of compressor for safe running of compressors.
*Flow Rate: max 50 (l/m)
*Weight:1.4KG/Set
*Working Pressure: 40 bar
(the weight is not including element)
*Material: Aluminum alloy
*Operating Temp.: from -25
℃
to 110
℃
*Seal: VITON
Compressor Model
Material Code
Inlet Size
Outlet Size
RC2-140/260/300/340
/410/430/470
3130-3240AA
5/8”
5/8”
RC2-550/620/830/10201270/
3131-3240AA
3/4”
3/4”
m. Oil flow switch
Oil flow switch operates in oil return line between external oil separator and compressor to prevent deficient oil
return. Specification and installation of oil flow switch are shown as below:
Specification:
Part No.
Size
Switch value [l/min] H
2
0
Selectable range for
fixed switch
Q Max.
flow rate
[l/min] H
2
0
Dimensions [mm]
Weight
[kg]
L
H
SW
X
4414-FF015
G 1/2”
0.4 - 12
20
68
79
29
13
0.6
4414-FF020
G 3/4”
0.6 - 25
40
73
79
32
11
0.7
4414-FF025
G 1”
1.5 - 40
60
87
90
41
14
1.0
Figure 4.19: Oil flow switch
Figure 4.20: Installation of oil flow switch
Summary of Contents for RC2-AVI Series
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