bürkert 3232 Bedienungsanleitung Seite 28

Goodnal STP ST041 General (Buerkert Fluid Control Systems Type 3232 Smart Systems Manual) Vendor Manual
Type 3232, 3233, 3233 K, 3234,
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Detach or unscrew old diaphragm. If attachment is with a
bayonet catch, loosen the diaphragm by turning it 90° (see table
„Tab. 10: Fastening types for diaphragm").
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Turn handwheel all the way clockwise (CLOSED position).
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Install new diaphragm in the actuator (see „Tab. 10: Fastening
types for diaphragm").
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Turn handwheel all the way counter-clockwise (OPEN position).
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Align diaphragm.
note marker for direction of flow!
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Place actuator back on the housing.
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Lightly cross-tighten the fastening screws until the diaphragm is
between the housing and actuator.
do not tighten screws yet.
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Activate the diaphragm valve once to position the diaphragm
correctly.
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Tighten the fastening screws with the valve in the open position
up to the permitted tightening torque (see tables in chapter „6.2.1.
Allowable temperatures").
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Check the tightening torque of the screws again.
Q-Pulse Id VM422
3235, 3239
Repairs
10.2.1. Tightening torques for diaphragms
dn [mm]
8
15
20
25
32
40
50
65
Tab. 11: Tightening torques for diaphragms. Actuator PPS or
stainless steel
dn [mm]
65
80
100
Tab. 12: Tightening torques for diaphragms. Actuator gray cast iron
epoxy coated
Active 29/10/2013
actuator pps or stainless steel
diaphragm diaphragm
epdm / fkm ptfe
2 2,5
3,5
4 4,5
5
6
8 10
12 15
15 20
actuator gray cast iron epoxy coated
diaphragm diaphragm
epdm / fkm ptfe
20 30
30 40
40 50
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english
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