KROHNE VA 40 ATEX II2G Ex i EN - Manual (Page 4)

2
DEVICE DESCRIPTION
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VA40
www.krohne.com 06/2013 - 4002262402 - MA VA40-Ex-II2G-AD R02 en
Device description
2.1 Device description
Variable area flowmeters measure and display the volume flow of flammable and non-
flammable gases and liquids. Up to two separately adjustable electrical limit switches can be
mounted to the on-site display.
2.2 Description code
The safety description code * consists of the following elements:
* positions which are not needed are omitted (no blank positions)
1 Type of connection
V - Screw connection
S - Tube socket
F - Flange connection
A - Aseptic connection, conforming to food standards
2 Material of the connection
R - Stainless steel 1.4404 (316 L)
ST - Steel, electroplated and chromized
PV - Platics PVDF
3 Limit switches
K1 - one limit switch
K2 - two limit switches
Safety description code TG21:
1 Inserting limit switch
2 Version 21
Safety description code MS14:
1 Magnetic switch
2 Reed cartridge 14
3
without Limit switch with connected cable
A - Limit switch with terminal box (standard)
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