Burkert 2301 Manuel D'utilisation page 23

8.3.1. installation of the valve body
Welded bodies
→
Weld valve body in pipeline system.
Other body versions
→
Connect body to pipeline.
8.3.2. install actuator (welded body)
Fig. 9: Graphite seal
→
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).
Type 2301
Installation
Graphite seal
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. 11").
2
1
Pilot air port
Fig. 10: Connections
tightening torques of valve body / nipples
dn tightening torque [nm]
13/15 45 ±3
20 50 ±3
25 60 ±3
32
65 ±3
40
50 70 ±3
Tab. 11: Tightening torques of valve body / nipples
english
23