beautypg.com

4 air purge – IAI America RCP4W User Manual

Page 43

background image

2. Installation

37

2.4 Air Purge

If using the product in the standard of IP65, it is necessary to conduct air purge to blow clean dry air to

the actuator.

Conduct air purge from the inlet on the side of the motor end of the main unit with air flow 40Nl/min or

more.

Shown below is how the air flow changes with the length of an air tube (O.D. 6mm, I.D. 4mm).

Have an adjustment to obtain air flow of 40Nl/min. by referring to the following graph.

200
180
160
140
120
100

80
60
40
20

0

0

5

10

15

20

25

Pressure :0.3MPa

Pressure :0.2MPa

Pressure :0.1MPa

Air Flow [Nl/min]

Air Tube Length [m]

Air Tube Length vs. Air Flow