Installation; Safety Instructions; Before Installation; Preparatory Work - Burkert 2012 Manuel D'utilisation

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8

INSTALLATION

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.
Type 2012
Installation
8.2

Before installation

Installation position: any, preferably with the actuator face up.
Procedure:
Before connecting the valve, ensure the lines are flush.
Observe direction of flow.
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 lower control air connection with compressed air
(6 bar): valve opens.
Using a suitable open-end wrench, place the wrench flat on the
tube.
Unscrew the actuator from the valve body.
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