Replacing The Valve Set - Burkert 2301 Manuel D'utilisation

10.4. replacing the Valve set
When replacing the valve set, the control cone must also
be exchanged. For this procedure, the actuator must be
removed.
The necessary work steps are described in the previous
subchapter „10.3.1. Replacing the control cone set".
When installing a valve seat with a modified orifice, the
identification number for the globe control valve changes.
The valve set consists of
• Control cone
• Graphite seal
• Dowel pin
• Valve seat
• Lubricant
Danger!
risk of injury from discharge of medium and pressure!
It is dangerous to remove a device which is 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.
32
english
Type 2301
Maintenance, Cleaning
Warning!
risk of injury from improper installation!
Assembly with unsuitable tools or non-observance of the tightening
torque is dangerous as the device may be damaged.
• Replacement only with special installation tools (for order numbers
refer to chapter entitled „12.2. Installation Tools")
• Observe the tightening torque (see „Tab. 13: Tightening torques
for valve seat installation" and „Tab. 14: Tightening torques of
valve body / nipples").
Procedure:
• First, remove the actuator and exchange the control cone (see
chapter „10.3.1. Replacing the control cone set").
• Now, with the actuator being removed, replace the valve seat as
follows.