Of valve body / nipples – Burkert Type 2301 User Manual
Page 24
24
Installation
Other body versions
→
Connect body to pipeline.
8.3.2 install actuator (welded body)
Graphite seal
Fig. 10: Graphite seal
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Check the graphite seal and if required, replace it.
Warning!
danger if incorrect lubricants used!
Unsuitable lubricant may contaminate the medium. In oxygen appli-
cations there is a risk of an explosion!
▶ In specific applications, e.g. oxygen or analysis applications, use
appropriately authorized lubricants only.
→
Grease nipple thread before re-installing the actuator (e.g. with
Klüber paste UH1 96-402 from Klüber).
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. 10”).
1
2
Pilot air port
Fig. 11: Connections
tightening torques of valve body / nipples
dn
tightening torque [nm]
10/15
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. 10: Tightening torques of valve body / nipples
english
Type 2301