Page 15 - Pipelines

isolated
lightning
protection
system with
®
HVI tech-
nology from
DEHN*

pipeline
valve pit

PT PT
*
230/400 V a.c.
pipeline
telecontrol system
Ex Bereich

pipeline valve pit
EXFS see page 12/13

DEHNpipe MD Ex (i) Type Part No.
DEHNpipe CD Ex (i)
DPI MD EX 24 M 2 929 960
• Surge arrester is screwed onto DPI CD EXI 24 M 929 961
two-wire field devices (Ex (i) version)
for protecting intrinsically safe
systems and balanced interfaces
according to NAMUR**.
• Nominal voltage: 24 V d.c.
• With M20 x 1.5 or ½ 14 NPT thread
• MD Ex (i): series connection
• CD Ex (i): parallel connection

BLITZDUCTOR XT and
®
®
BLITZDUCTOR XT Ex (i) Type Part No.
BXT ML4 BD EX 24 920 381
Combined lightning current and BXT BAS EX 920 301
surge arrester for two, three or four-
pole interfaces and intrinsically safe BXT ML2 BD 180 920 247
measuring circuits; with base part BXT BAS 920 300
and plug-in protection module

Condition monitoring system Type Part No.
with LifeCheck sensor
®
DRC MCM XT 910 695
Maximum availability thanks to permanent
condition monitoring of arresters via
LifeCheck technology
®

DEHNventil modular
®
Type Part No.
Modular combined arrester with a DV M TT 255 FM 951 315
high discharge capacity ensures easy
replacement of protection modules
without tools

* For more detailed information on HVI Conductors, please visit www.dehn-international.com
®
** NAMUR: Standardisation association for measurement and control 15