Hanbell RC2-1020AV, Manual

Page: 48 / 62

Specification:
G Type
PN
bar
Qmax. Recom. l/min
b
ro
n
z
e
G 1/2 FF-015GR012 200
G 3/4 FF-020GR025 25
G 1 FF-025GR040 25
(1) Tolerance
：
+/- 0.3l/min
(2) Media temperature: max 110
℃
(3) Average pressure loss:0.4 bar at Qmax
(4) Hysteresis: depending on switch value minimum 0.4 l/min
Note
：
Switch value is indicated for horizontally decreasing flow.
Figure
o. Economizer connection muffler
When economizer is used, it is recommende
casing to effectively mitigate pulsation noise
To compressor oil return port
47
Qmax. Recom. l/min
switch value l/min selectable
range for fixed switch mm
20 0.4-12
40 0.6-25
60 1.5-40
Figure 30 Oil flow switch
Average pressure loss:0.4 bar at Qmax
Hysteresis: depending on switch value minimum 0.4 l/min
Switch value is indicated for horizontally decreasing flow.
Figure 31 Installation of oil flow switch
When economizer is used, it is recommended to install a muffler and check valve before
noise in middle pressure as shown below:
Figure 32 Installation of ECO muffler
From compressor discharge port
L
mm
H
mm
SW
mm
X
mm
Weight
kg
68 79 29 13 0.6
73 79 32 11 0.7
87 90 41 14 1
before ECO port on compression
discharge port