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Installation
Type 3280, 3285
7 INSTALLATION
DANGER!
Risk of injury from high pressure in the system or device.
▶ Before working on the system or device, cut off the pressure and deaerate/drain lines.
Risk of injury due to electrical shock.
▶ Before working on the system or device, switch off the power supply and secure to prevent reactivation.
▶ Observe applicable accident prevention and safety regulations for electrical equipment.
WARNING!
Risk of injury from improper installation.
▶ Installation may be carried out only by trained technicians and with the appropriate tools.
▶ Secure system against unintentional activation.
▶ Following installation, ensure a controlled or defined restart.
7.1 Fluid installation
Installation position: any position, preferably with actuator above and installed vertically with the actuator cover
upwards
→ Clean pipelines and port connections.
→ Install a dirt filter before the valve inlet (≤ 0.3 mm).
NOTE!
Caution risk of breakage.
• Do not use plastic actuator housing as a lever arm.
→ Hold the device with a suitable tool (open-end wrench) on the body and screw into the pipeline.
→ Observe flow direction. The arrow on the body indicates the direction of flow.
Type 3280: Flow direction below seat, is always closed against the medium flow;
Type 3285: Flow direction above seat, is always closed with the medium flow.
Figure 8: Direction of flow Type 3280, Flow direction
below seat
Figure 9: Direction of flow Type 3285, Flow direction
above seat
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