Burkert 2080 Manuel D'utilisation page 4

7.3. conformity
The device conforms to the EC directives according to the
EC Declaration of Conformity.
7.4. standards
The conformity with EC guidelines is guaranteed in accor-
dance with standards:
• EN 13463-1, EN 13463-5
7.5. pT graph
Permitted pressure-temperature compatibility of the PTFE
bellows
(Pressure value [bar]: Measured as overpressure to the
atmospheric pressure)
P [bar]
9
8
7
6
5
4
Permitted
3
range
2
1
0
0 20 40 60 80 100 120 140 160 180
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12
Orifice
Line connections
Threaded port G 3/8
Welded ends
13.5 x 1.6 in accordance with ISO 4200
13 x 1.5 in accordance with DIN 1850-2
12.7 x 1.2 in accordance with BS 4825
Flange connection or
customized line connections
Actuator
Pilot air medium
Pilot air connections
7.8. actuator versions
Version
Actuator Open - Closed
Actuator Open - Closed
with position indicator
3 position actuator (with adjustable
intermediate position)
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14
T [°C]
DN 4 to DN 10
Compressed air 4.5 – 10 bar
(dry and filtered)
neutral gases
Threaded port G 1/8
Operating
principle
CF A and CF B
CF A and CF B
CF A
7.6. mechanical data
Dimensions See data sheet
Body material
Fitting Stainless steel 316L (1.4404)
Actuator Stainless steel 304 (1.4301)
Bellows PTFE
Bellows stroke 2.5 mm
Internal surface finish Ra = 0.8 µm
7.7. fluidic data
Circuit functions
2/2-way valve, servo-assisted,
A
closed without pilot air pressure
A
by spring force, actuation with
P
pilot valve, valve island or similar.
2/2-way valve, servo-assisted,
B
opened without pilot air pressure
B
by spring force, actuation with
P
pilot valve, valve island or similar.
Fitting
Pressure range of medium
Back pressure tightness
7.9. label (example)
Description
Bellows valve
Type 2080 NC DN10
Pmax 8bar
Ppilot 4-10bar
00450000
Ident. no.
Nominal pressure of pilot valve
Nominal pressure
Type, Circuit function, Orifice
Type 2080
Vacuum ... 8 bar
(see PT graph)
up to 8 bar
english
13
CE
W14UN
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15