Burkert Type 2000 - Manual (Page 11)

11
Assembly
8.2. Before installation
• The angle seat valve can be installed in any position, preferably
with the actuator face up.
• Before connecting the valve, ensure the pipelines are flush
(stress-free).
• Observe direction of flow!
See "Fig. 3".
Identification
of the connections on the
valve housing
Direction of flow specified on
the rating plate
Flow 1 2
2000 A 10,0 PTFE VA
Made in Germany
00182076
W1X LU
G3/8 P med 16 bar
Pilot 5,5 - 10 bar
Example:
Fig. 3: Identification of the connections / direction of flow
8.2.1. Preparatory tasks
→
Clean pipelines (sealing material, swarf, etc.).
Welded housing:
→
Before welding in the valve housing, remove the actuator
(see Chapter "8.3.1").
8.3. Installation
8.3.1. Remove actuator from the valve
housing (for welded housings only)
WARNING!
Risk of injury from damaged devices!
If the wrong tools are used for assembly work, the device may be
damaged.
• To remove the actuator from the valve housing, use an open-end
wrench, never a pipe wrench.
Control function A:
→
Pressurize control air connection with compressed air (5.5 bar)
so that the pendulum disc is lifted off the valve seat and is not
damaged.
Control function B:
For control function B it is not necessary to apply compressed air for
installation.
NOTE!
Damage to the seat seal or the seat contour!
• When removing the actuator, ensure that the valve is in the
open position.
→
When valve is in open position, remove actuator from the valve
housing using an open-end wrench (see "Fig. 4").
english
Type 2000 INOX