Installation; Safety Instructions; Before Installation; Preparatory Work - bürkert 2300 Bedienungsanleitung

8.

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8.1. safety instructions
Danger!
danger – high pressure in the equipment!
• 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 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.
Warning!
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.
22
english
Type 2300
Installation
8.2. Before installation
• The angle-seat 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 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)
Fig. 13: Disassembly the control unit
Control unit
Actuator