Burkert Type 2012 - Manual (Page 15)

15
Installation
Type 2012
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.
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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