Installation; Safety Instructions; Before Installation; Preparatory Work - Burkert 2101 Manuel D'utilisation

8

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8.1 safety instructions
DanGer!
risk of injury from high pressure!
▶ Before loosening the lines and valves, turn off the pressure and
vent the lines.
WarninG!
risk of injury from improper installation!
▶ Installation may be carried out by authorized technicians only
and with the appropriate tools!
risk of injury from unintentional activation of the system and
an uncontrolled restart!
▶ Secure system from unintentional activation.
▶ Following installation, ensure a controlled restart.
for control function i – danger if pilot pressure fails!
For control function I control and resetting occur pneumatically. If
the pressure fails, no defined position is reached.
▶ To ensure a controlled restart, first pressurize the device with
pilot pressure, then switch on the medium.
risk of injury from moving parts in the device!
▶ Do not reach into openings.
18
english
Type 2101
Installation
8.2 Before installation
• The globe valve can be installed in any installation position, pref-
erably with the actuator face up.
• Before connecting the valve, ensure the lines are flush.
• Observe direction of flow (see type label).
8.2.1 preparatory work
→
Clean pipelines (sealing material, swarf, etc.).
devices with welded body
Remove the actuator from the valve body:
→
Clamp the valve body in a holding device.
noTe!
damage to the seat seal or the seat contour!
▶ When removing the actuator, ensure that the valve is in open
position.
→
Control function A pressurize the pilot air port 1 with com-
pressed air (5 bar): valve opens.
→
Using a suitable open-end wrench, place the wrench flat on the
tube.
→
Unscrew the actuator from the valve body.