Bürkert Type 2000, Руководство по эксплуатации

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21
Assembly
asseMBly 8.
safety instructions 8.1.
Danger!
risk of injury from high pressure in the equipment!
Before dismounting pneumatic lines or valves, turn off the pres- •
sure and vent the lines.
Warning!
risk of injury from improper assembly!
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 assembly, ensure a controlled restart. •
Warning!
for control function i – danger if control 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 •
control pressure, then switch on the medium.
Before installation 8.2.
Any installation position is possible, preferably with actuator face •
up.
Before connecting the valve, ensure the pipelines are flush.
•
Observe direction of flow (see rating plate). •
preparatory work 8.2.1.
Clean pipelines (sealing material, swarf, etc).
→
devices with welded housing:
Removing the actuator from the valve housing:
Clamp valve housing into a holding device.
→
note!
damage to the seat seal or the seat contour!
When removing the actuator, ensure that the valve is in the •
open position.
Control function A:
→
Pressurize lower control air connection with compressed air
(5 bar): Valve opens.
Place a suitable open-end wrench on the wrench flat of the
→
nipple.
Unscrew the actuator off the valve housing.
→
devices with socket housing:
Do not remove actuator unless this is a customer-specific
→
requirement.
english
Type 2000/2002