VEGA VEGAPULS 68 (≥ 2.0.0 - ≤ 3.8) 4 … 20 mA_HART four-wire User Manual
Page 55
![background image](/manuals/261774/55/background.png)
0,1
0,0
1,0
2,0
3,0
4,0
5,0
6,0
0,2 0,3 0,4 0,5 0,6 0,7 0,8 0,9 1,0 1,1 1,2 1,3 1,4 1,5 1,6 1,7 1,8 1,9 2,0
(bar)
(m
3
/h)
Fig. 31: Air quantity diagram
T
hread
G⅛ A
C
atch
-
with non-Ex
D
ust protection cover of PE
-
with Ex
T
hreaded plug of 316Ti
R
eflux valve - unmounted (as option with non-Ex version, included in the scope of delivery with Ex
version)
-
M
aterial
316T
i
-
S
eal
FKM (V
iton), FFKM (Kalrez 6375)
-
for tube diameter
6
mm
-
opening pressure
0.5
bar (7.252 psi)
-
N
ominal pressure stage
PN
250
Electromechanical data - version IP 66/IP 67
C
able entry
-
D
ouble chamber housing
l
1
x cable gland M20 x 1.5 (cable: ø 5 … 9 mm),
1
x blind stopper M20 x 1.5; plug M12 x 1 for
VEGADIS
61 (
optional)
or:
l
1
x closing cap ½ NPT, 1 x blind stopper
½
NPT,
plug M12 x 1 for VEGADIS 61
(
optional)
or:
l
1
x plug (depending on the version), 1 x blind
stopper M20 x 1.5; plug M12 x 1 for VEGADIS
61 (
optional)
S
pring-loaded terminals for wire cross-sec-
tion
2.5
mm² (AWG 14)
VEGAPULS
68 • 4 … 20
mA/HART four-wire
55
10 S
upplement
29262
-EN
-090305