
11
Installation
Type 3281
7
INSTALLATION
DANGER
Risk of injury due to high pressure in the system or device.
▶
Before working on the system or device, switch off the pressure
and deaerate lines.
Risk of injury from electric shock.
▶
Before working on the system or device, switch off the power
supply and secure to prevent reactivation.
WARNING
Risk of injury due to improper installation.
▶
Installation may only be performed by trained technical per-
sonnel with suitable tools.
▶
Secure the system against unintentional activation.
▶
Following installation, ensure a controlled restart.
7.1
Installing the device fluidically
Installation position:
arbitrary, preferably actuator at the top and
with vertical installation position actuator cover upwards
.
→
Clean pipelines and flange connections.
→
Install a dirt trap upstream of the valve inlet (≤ 0.3 mm).
NOTE
Caution: risk of breakage.
▶
Do not use the plastic actuator cover as a lever arm.
→
Hold the device on the housing using an appropriate tool (e.g.
open-end wrench) and screw into the pipeline.
→
Note the flow direction.
The digits on the valve body indicate the direction of flow
(flow direction always under valve seat 2
→
1).
7.2
Mounting the valve seat
Valve seat set consists of valve seat and graphite seal.
WARNING
Risk of injury from improper installation.
▶
Only mount the valve seat with a special
assembly tool.
▶
Observe the tightening torque.
When mounting the valve seat, the actuator must be
removed. The work steps required are described in
→
Screw suitable tool insert into the assembly tool.
The suitable assembly tool (order number 625604) is not
included in the valve set and must be ordered separately.
english
Содержание 20014453
Страница 1: ...Quickstart English Deutsch Fran ais Type 3281 Motor valve Motorventil Vanne motoris e...
Страница 21: ......
Страница 22: ...www burkert com...