Burkert Type 2101 - Manual (Page 28)

28
Maintenance,Cleaning
noTe!
damage to the seat seal or the seat contour!
▶ When installing the actuator, ensure that the valve is in open
position.
→
Control function A pressurize the pilot air port 1 with com-
pressed air (5 bar): valve opens.
→
Screw actuator into the valve body.
Observe tightening torque (see “Tab. 6: Tightening torques of
valve body / nipples”).
1
2
Pilot air port
CFA, CFB, CFI
Air discharge connection
CFA, CFB
Pilot air port
CFI
Fig. 22: Connections
tightening torques of valve body / nipples
Orifice
tightening torque [nm]
13/15 45 ±3
20 50 ±3
25 60 ±3
32
65 ±3
40
50
70 ±3
65 100 ±3
80 120 ±5
100 150 ±5
Tab. 6: Tightening torques of valve body / nipples
If the position of the pilot air ports for installation of the
hoses is unfavorable, these can be aligned steplessly by
rotating the actuator through 360°.
The procedure is described in the chapter entitled “8.3.3
Rotating the actuator”.
english
Type 2101