Burkert 2030 Notice D'utilisation page 11

• Control pressure for control function A, for all
bodies other stainless steel bodies shaped from
role with connections by DIN 11850 R2
DN ACTSIZ p at
st
p = 0
M
8 C 5
15 D 5
E 5
20 E 5,5
F 5
25 E 5
F 5,5
32 G 5,5
40 G 5,5
H 5,5
50 G 5,5
H 5,5
65 H 5,5
Control pressure for control function A, stainless
steel bodies shaped from role with fluidik connec-
tion by DIN 11850 R2
DN ANTG Pst bei
PM = 0
8 C 5
15 D 5
E 5
20 D 5
E 5
25 E 5
F 5,5
32 E 5
F 5,5
40 G 5,5
50 G 5,5
H 5,5
Note
For versions with reduced spring action (i.e. with
ow control pressures), please consult for advice.
Installation
The applicable safety regulations must be observed.
! Pipelines must be contamination-free.
• Installation as required, but preferably with
actuator upright. Self-draining, with inclination
of 15–30 º against horizontal line.
p at
st
p = max
M
3,5
3,5 • Connect valve. Observe aligned pipes.
4
– Plastic bodies must be fitted directly with the
4
previewed insert nuts.
4
– For stainless steel bodies, actuator and
4,5 diaphragm must be removed before welding.
4,5
• Connection of control fluid for control function:
4
– A, to the lower
4
– B, to the upper
4 – I, to the upper and lower actuator
3,5
port with G 1/4 thread (connection can be rotated
3
by 360º).
4,5
The Pilot valve must be connected to the actuator
with a hollow screw (Types 6012 P, 6014 P) and the
control fluid must be connected to port P of the
pilot valve.
Pst bei
Body installation
PM = max
– actuator with control function A
3,5
• Pressurize actuator with control pressure and
3,5 slightly tighten body screws crosswise, until the
4 diaphagm is between body and actuator.
3,5
• Actuate valve twice and tighten the body screws
4
to nominal torque without control pressure.
4
4
– actuator with control function B or I
4,5
• Slightly tighten body screws without pressurizing
4,5
the actuator.
4 • Actuate valve twice and tighten the body screws
4
without control pressure to nominal torque (M
4
as specified in the chart below.
DN
8
15
20
25
32
40
50
65
Type 2030/2031
M [Nm] for diaphragm of
N
EPDM/FPM PTFE
2 2,5
3,5 4
4 4,5
5 6
6 8
8 10
12 15
15 20
),
N
11