Burkert Type 2300 - Manual (Page 10)

10
Technical data
Typ 2300
WARNING!
Risk of injury from improper installation!
• Installation may be carried out by authorised 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.
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
• The globe control valve can be installed in any installation position,
preferably with the actuator in upright position.
• Before connecting the valve, ensure the pipelines are flush.
• Make certain the flow direction is correct (flow direction always
below the seat).
8.2.1. Preparatory work
→
Clean pipelines (Sealing material, swarf, etc.).
Devices with welded body
Remove the control unit from the actuator (if present):
→
Clamp the valve body in a holding device.
→
Loosen the fastening screws (2x).
→
Remove the control unit upwards.
Fastening
screw (2x)
Control unit
Actuator
Fig. 2: Disassembly the control unit
Remove the actuator from the valve body.
→
Install collet (white grommet) in pilot air port 1.
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(see “Fig. 3”)
with compressed air (5 bar): valve opens.
→
Using a suitable open-end wrench, place the wrench flat on the
pipe.
→
Unscrew the actuator from the valve body.
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