Preparatory Work; Installing Valve Body - Berker 2000 Schnellstart

Type 2000
Installation
WARNING!
Risk of injury due to moving parts.
▶ Do not reach into openings in the device.
CAUTION!
Risk of injury from heavy device.
During transportation or installation work, a heavy device may
fall down and cause injuries.
▶ Transport, install and remove heavy device with the aid of a
second person only.
▶ Use suitable tools.
WARNING!
Valve seat leaking when control pressure is too low or me-
dium pressure is too high.
If control pressure is too low for control function B and control
function I or medium pressure is too high, the valve seat may
leak.
▶ Observe values for minimum control pressure and maximum
medium pressure.
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".
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