General Instructions - Vega VEGABAR 17 Operating Instructions Manual

4 Mounting
Suitability for process
conditions
Diaphragm pro-
tection
Oxygen applica-
tions
Mounting position
Welding the socket
Sealing/Screwing in
10
4 Mounting

4.1 General instructions

Make sure that all parts of the instrument in contact with the measured
product, especially the sensor element, process seal and process
fitting, are suitable for the existing process conditions such as process
pressure, process temperature as well as the chemical properties of
the medium.
You can find the specifications in chapter "Technical data" in the or on
the type label.
Caution:
After removal of the diaphragm protective cover, the diaphragm must
not be pressed.
Danger:
Instruments in the version "Oil and grease free for oxygen" should be
unpacked just before mounting. After the protective cover of the
process fitting has been removed, the label "O₂" on the process fitting
is visible. Contamination by oil, grease and dirt should be avoided.
Danger of explosion!
4.2 Mounting instructions
VEGABAR 17 functions in any installation position. It is mounted
according to the same directives as a manometer (DIN EN 839-2).
Information:
We recommend using lock fittings, measuring instrument holders and
siphons from our line of accessories.
4.3 Mounting steps
For mounting VEGABAR 17, a welded socket is required. You can find
these components in the supplementary instructions manual "Welded
socket and seals".
For the following process fittings use the O-ring seal that belongs to
the respective instrument.
- or -
With the following process fittings, seal the thread with teflon, hemp or
a similar seal material:
Process fitting ½ NPT
l
Process fitting ¼ NPT
l
VEGABAR 17