Preparatory Work; Installing Valve Body; Installing Devices With Welded Connection - Burkert 2000 Mode D'emploi

DANGER!
Risk of injury from rupturing lines and device when flow direc-
tion above the seat.
A pressure surge of liquid media may cause the lines and device
to rupture.
▶ Do not use valves with flow direction above the seat for liquid
media.
6.2

Preparatory work

Observe flow direction on the type label.
Remove soiling from pipelines.
Ensure that pipelines are in alignment.
6.2.1 Attach dirt trap
Dirt trap for devices with approval according to DIN EN 161
According to DIN EN 161 "Automatic shut-off valves for gas burn-
ers and gas appliances", a dirt trap, which prevents the penetra-
tion of a 1 mm test pin, must be installed upstream of the valve.
Attach dirt trap upstream of the valve.
6.3

Installing valve body

Connect valve body to pipeline.
Devices with welded connection: Weld valve body into
pipeline. To do this, observe chapter "Installing devices with
welded connection".
14 english
Type 2000
Installation
6.4 Installing devices with welded
connection
ATTENTION!
Damage to the actuator when welding the valve body into the
pipeline.
▶ Before welding into the pipeline, remove the actuator.
6.4.1 Removing actuator from the valve
body
Clamp valve body into a holding device.
ATTENTION!
Damage to the valve seat seal or seat contour.
▶ When removing the actuator, the valve must be in the open
position.
For control function A pressurise the pilot air port 1 with com-
pressed air (5 bar). Valve opens.
Place a suitable open-end wrench on the wrench flat of the
body connection.
Unscrew actuator from the valve body.