Pneumatic Installation - Burkert 2730 Instructions De Service

Tightening torques for VA formed tube housings (VA)
NOTE When using in an aggressive environment, you are advised to connect pneumatic hoses to all free
control connections and place their other ends in a neutral atmosphere.

Pneumatic installation

The control valve is driven by compressed air via the Top Control .
Connect the air supply to port 1
The supply pressure required for complete opening or closing of the valve may lie between the minimum values of 3 to 6 bar,
depending on the drive unit. The permissible maximum value for the control pressure is 7 bar. The value for the supply pressure is
given as P on the rating plate of the respective valve.
pilot
Mount the exhaust air pipe or noise reducer on port 3
Control medium:
Fluidic connections of the Top Control Continuous
Supply pressure connector
(inscription: 1)
Type 2730/2731/2731K
Tightening torque
(standard values)
DN
Elastomer
diaphragm
[Nm]
8 2,5
15 3,5
20 4
25 5
32 8
40 11
50 18
instrument air, class 3 according to DIN ISO 8573-1
Outlet air
connector
(inscription: 3)
C
OMMISSIONING
PTFE diaphragm
[Nm]
3,5
4
6
8
10
15
23
CO 3