Burkert 2000 Mode D'emploi page 14

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Only actuator size G, H: Insert washer
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For control function B and I: Change O-ring
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Replace O-ring
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Only actuator size C without transparent cap: Change self-locking ring
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Lightly lubricate cover thread, lubricant Amblygon TA.
→ 31
Mount cover
1
→
Clamp body
Do not damage sealing edges when replacing the seal!
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Replace graphite seal
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Only for VA body (VA = stainless steel): Lubricate nipple thread
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".
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For control function A and I: Pressurize lower control air connection with compressed air (5 bar).
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Screw in nipple
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Only for Type 2002: Use sealing tape.
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Check the valve for function and leaks.
Tightening torques for screwing the nipple into the valve body
DN (mm)
15
20
25
32
Table 1: Valve body tightening torques
14
40
.
32
to do this, remove transparent cap.
and screw tightly with special wrench.
.
5
.
6
with actuator in valve body
Tightening torque (Nm)
45
50
60
65
english
30
.
6
with Klüber paste UH1 96-402.
1
. Observe tightening torque!
DN (mm)
40
50
65
Type 2000, 2002, 2012
Replacingthesealset
53 32
and O-ring .
Tightening torque (Nm)
65
70
70