KROHNE BM 700 EN - Manual (Page 20)

Page 20 BM 700 Installation and Operating Instructions
Marking of the signal converter (see name plate):
BM 700 non-Ex version for non-hazardous areas
BM 700 / E-EEx Ex version for hazardous areas,
terminal compartment in Increased Safety „e“
Marking of the Flange systems (see name plate on flange):
..(1).. ....(2)...... non-Ex version for non-hazardous areas
..(1).. ....(2)...... – E Ex ..(3).. Ex version for hazardous areas
(1) Series
V96 Flange system V96
(with „Metaglass“ as versions with horn antenna or Wave-Guide)
WS Wave-Stick
(plastics rod antenna or short stick for still wells)
LP LP version
(with horn antenna or Wave-Guide)
(2) Materials of the parts in contact with the product
- Series V96:
» Antennas and flanges:
SS Flange and antenna of stainless steel
used material: see marking on flange
HB Flange plating and antenna of Hastelloy B (e.g. B2)
used material: see marking on plating
HC Flange plating and antenna of Hastelloy C (e.g. C4 or C22)
used material: see marking on plating
Ti Flange plating and antenna of Titanium
Ta Flange plating and antenna of Tantalum
Mo Flange plating and antenna of Monel
» gasket material:
FFKM Gaskets of FFKM, e.g.
Kalrez™ 4079 or Parofluor™ V3819-75
K2035 Gaskets of Kalrez™ 2035
FPM Gaskets of FPM, e.g. Viton™
FEP Gaskets FEP-coated (FPM core)
- Series WS
LPTFE Stick and flange plate of conductive PTFE
PTFE Stick and flange plate of PTFE
SS PTFE stainless steel PTFE, gasket of FFKM
also for version „LP horn antenna“
SS PP stainless steel PP, gasket of FPM (Viton™)
(3) Application conditions, equipment group II
(explosive atmosphere by gases, vapours, mists)
1G equipment category 1, application in Zone 0
(versions V96, or Wave-Stick LPTFE or PTFE with Metaglass)
2G equipment category 2, application in Zone 1
(Wave-Stick PP or PTFE without Metaglass, or LP flange system)
(free) Without Ex approval (e.g. LP version)