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2 replacing the diaphragm – Burkert Type 3239 User Manual

Page 20

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20

Repairs

10.2 replacing the diaphragm

Danger!

risk of injury from discharge of medium (acid, alkali, hot media)!
It is dangerous to remove the device under pressure due to the
sudden release of pressure or discharge of medium.

▶ Before removing a device, switch off the pressure and vent the lines.

▶ Completely drain the lines.

fastening types

Orifice

(diaphragm size)

dn [mm]

fastening types for diaphragm

ptfe

epdm / fkm

8

Diaphragm buttoned

Diaphragm buttoned

15

Diaphragm with
bayonet catch

20
25

Diaphragm with
bayonet catch

Diaphragm screwed in

40
50
65
80

Diaphragm with
bayonet catch

Diaphragm screwed in

100

Tab. 10: Fastening types for diaphragm

Diaphragm

4 fastening screws

Manual actuator

4 fastenings
screws

Body

Mark tab for direction

of flow

Fig. 10: Replacing the diaphragm

english

Type 3232, 3233, 3233 K, 3234,

3235, 3239

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