bürkert 3232 Bedienungsanleitung Seite 17

Type 3232, 3233, 3233 K, 3234,
3235, 3239
procedure:
→
Cross-loosen fastening screws and remove actuator with dia-
phragm from the body.
→
Weld or glue body in the pipeline.
→
After welding or gluing in the body, smooth the body surface (if
required) by grinding.
→
Clean the body carefully.
→
Place actuator on the body.
→
Lightly cross-tighten the fastening screws until the diaphragm is
between the body and actuator.
Do not tighten screws yet.
→
Activate the diaphragm valve twice to position the diaphragm
correctly.
→
Tighten the fastening screws up to the permitted tightening
torque (see tables in chapter "8.3.2 Tightening torques for
diaphragms").
Installation
8.3.2 Tightening torques for diaphragms
Orifice
diaphragm
(diaphragm size)
epdm / fKm
dn [mm]
8
15
20
25
32
40
50
Tab. 8: Tightening torques for diaphragms. Actuator PPS or
stainless steel
Orifice
diaphragm
(diaphragm size)
epdm / fKm
dn [mm]
65
80
100
Tab. 9: Tightening torques for diaphragms. Actuator stainless steel
english
actuator pps or stainless steel
diaphragm
ptfe/advanced
ptfe/laminated
advanced ptfe
2 2,5
3,5 4
4 4,5
5 6
6 8
8 10
12 15
actuator stainless steel
diaphragm
ptfe/advanced
ptfe/laminated
advanced ptfe
20 30
30 40
40 50
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