Burkert Type 2731 - Manual (Page 19)

7 insTallaTiOn
7.1 safety instructions
Danger!
danger – high pressure in the equipment!
▶ Before loosening the lines and valves, turn off the pressure and
vent the lines.
Warning!
risk of injury from improper installation!
▶ Installation may be carried out by authorised technicians only
and with the appropriate tools!
risk of injury from unintentional activation of the system and
an uncontrolled restart!
▶ Secure system from unintentional activation.
▶ Following assembly, ensure a controlled restart.
7.2 Before installation
• Before connecting the valve, ensure the pipelines are flush.
• The flow direction is optional.
7.2.1 installation position general
installation for self-drainage of the body
It is the responsibility of the installer and operator to
ensure self-drainage.
installation for leakage detection
One of the bores (in the actuator base) for monitoring
leakage must be at the lowest point.
7.2.2 installation position 2/2-way valve
• The piston-controlled diaphragm control valve can be installed in
any installation position, preferably with the actuator face up.
To ensure self-drainage:
→
Install body inclined by an angle α = 15° – 35° to the horizontal.
→
Observe an inclination angle of 1° – 5° to the line axis.
Forged and cast body: Mark on the body must point upwards
(12 o’clock position, see “Fig. 16”).
→
One of the bores (in the actuator base) for monitoring leakage
must be at the lowest point.
19
Installation
english
Type 2730 / 2731 / 2731K