Installation Of Devices With Welded Connections - Burkert 3320 Manuel D'utilisation

Type 3320, 3321
Installing the valve
7.2.2 Installation
DANGER!
Risk of injury from high pressure.
▶ Before working on the system, switch off the pressure and vent
or empty the lines.
WARNING!
Risk of crushing by mechanically powered parts.
▶ Do not reach into the openings of the valve body.
→ Connect valve body to pipeline.
Ensure that there is no voltage present and minimal
vibration during installation.
Holding device
To protect the valve actuator from damage resulting
from forces and vibrations, a holding device is recom-
mended. This is available as an accessory. See oper-
ating instructions on the website
country.burkert.com
7.3 Installation of devices with welded
connections
The device must not be welded into the pipeline while the actuator
is still installed. The installation is divided into the following steps:
1. Prepare the actuator disassembly.
2. Disassemble the actuator.
3. Weld the valve body into the pipeline.
4. Mounting actuator on the valve body.
7.3.1 Prepare the actuator disassembly
NOTE!
Damage to valve body, seat seal or diaphragm.
To avoid damage, the valve must be open when the actuator
is disassembled.
→ If the valve is closed: Open the valve with the mechanical
manual override. See chapter "12.2 Actuating the valve
mechanically" on page 39.
English
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