Preparatory Work; Attach Dirt Trap; Installing Valve Body; Installing Devices With Welded Connection - Burkert 623969 Operating Instructions Manual

7.2

Preparatory work

Observe flow direction on the type label.
Remove soiling from pipelines.
Ensure that pipelines are in alignment.
7.2.1

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 burners and gas appliances", a dirt trap, which
prevents the penetration of a 1 mm test pin, must be installed upstream of the valve.
Attach dirt trap upstream of the valve.
7.3

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".
7.4

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.
7.4.1 Removing actuator from the valve body for devices without
control unit
Clamp valve body into a holding device.
Devices with collet
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 compressed 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.
Devices without collet
For control function A: Install control unit. To do this, follow the operating instructions for the control
unit.
ATTENTION!
Damage to the valve seat seal or seat contour.
▶ When removing the actuator, the valve must be in the open position.
24
Type 2000
Installation