Burkert 2300 Series Schnellstart-Handbuch - Seite 10
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Pilot pressure for control function B
Pilot pressure [bar]
Actuator
Connection
for medium pressure
size [mm]
size
0 bar
15
ø 50 mm
20
25
15
20
ø 70 mm
25
32
25
32
ø 90 mm
40
50
40
ø 130 mm
50
65
Tab. 4:
Pilot pressure for control function B
* According to Pressure Equipment Directive for compressible fluids of Group
1 (hazardous gases and vapors according to Art. 3 No. 1.3 Letter a first dash)
The required minimum pilot pressure P
and I (flow below the seat) is dependent on the pressure of the
medium.
The pressure diagrams are in the operating instructions on
the Internet:
www.burkert.com
10
Max. per-
mitted medium
pressure [bar]
max
4.6
6.6
16
5.1
7.0
9
5.1
7.0
5
4.4
5.3
16
5.2
6.8
16
5.2
7.0
12
5.2
7.0
6
2.4
4.2
16
2.4
5.3
16
2.5
6.5
16
2.5
7.0
14
2.7
4.5
16
2.7
5.6
16
2.7
7.0
16 (15*)
with control function B
min
english
Typ 2300
Technical data
7.5
General technical data
Media
Control medium
neutral gases, air
Flow media
Water, Alcohol, Fuel, Hydraulic liquids,
Saline solutions, Lyes, Organic solvents
Installation position
as required, preferably with actuator in
upright position
Protection class
IP67 in accordance with
IEC 529/EN 60529
Control functions (CF) The valve seat is always closed against
the medium flow
Control function A
Normally closed by spring action
Control function B
Normally open by spring action
Control function I
Actuating function via reciprocal pressur-
ization (not for actuator size ø 50 mm in
combination with Type 8696)
8
INSTALLATION
8.1
Safety instructions
DANGER!
Danger – high pressure in the equipment!
▶ Before loosening the lines and valves, turn off the pressure
and vent the lines.