Burkert 2000 Mode D'emploi page 19

Type 2000, 2002, 2012
Replacingthevalveset
→
Calk pin bores on both sides of the swivel plate with chisel or prick punch.
→
Carefully remove old graphite seal
→
Insert new graphite seal
→
Only for VA body (VA = stainless steel): Lubricate nipple thread
→
Only for Type 2002: Use sealing tape.
NOTE!
Damage to the seat contour!
▶ During installation, take care that there is no damage to the seat contour.
▶ Observe tightening torques according to "Table 4".
→
For control function A and I: Pressurize lower control air connection with compressed air (5 bar).
→
Screw in valve actuator with nipple
→
Only for control function A (CFA): Rescrew cover
→
Check the valve for function and leaks.
Tightening torques for screwing the nipple into the valve body
DN (mm)
15
20
25
32
Table 4: Valve body tightening torques
5
from the body
5
.
6
into the body.
Tightening torques (Nm)
45
50
60
65
1
.
6
with Klüber paste UH1 96-402.
31
with special wrench.
DN (mm)
40
50
65
Tightening torques (Nm)
65
70
70
english
19