Installation - Burkert 2103 Manuel D'utilisation

8.3.

installation

Warning!
risk of injury from improper installation!
Non-observance of the tightening torque is dangerous as the
device may be damaged.
• Observe the tightening torque (see "
for diaphragms").
8.3.1. installation of the Valve Body
Welded bodies
→
Weld valve body in pipeline system.
Other body versions
→
Connect body to pipeline.
8.3.2. installation of the actuator (Welded
Body)
installation for actuator with control function a:
noTiCe!
damage to the diaphragm or the seat contour!
• When installing the actuator, ensure that the valve is in open
position.
→
Control function A pressurize the pilot air port 1 with com-
pressed air (5 bar): valve opens.
36
Tab. 14: Tightening torques
english
Type 2103
Installation
→
Lightly cross-tighten the body screws until the diaphragm is
between the body and actuator.
do not tighten the screws yet.
→
Actuate the diaphragm valve twice.
→
Without pressurization tighten the body screws to the permitted
tightening torque (see following table "Tab. 14: Tightening
torques for diaphragms").
installation for actuator with control functions B and i:
→
Lightly cross-tighten the body screws without pressurization until
the diaphragm is between the body and actuator.
do not tighten the screws yet.
→
1 of the actuator with compressed air
Pressurize pilot air port
(5 bar).
→
Actuate the diaphragm valve twice.
→
Tighten the body screws to the permitted tightening torque (see
"Tab. 14: Tightening torques for diaphragms").
Control air connection
CF A, CF B, CF I
Fig. 31: Pilot air port
1