WIKA PG43SA-D Mode D'emploi page 13

5. Commissioning, operation
For installation, in accordance with the fitting and flange standards
„
the appropriate fastenings, such as screws and nuts, must be
used.
The vent hole at the underside of the case must not be closed.
„
Nominal position per EN 837-3 / 9.6.6 figure 7: 90° (
„
5.3 Mounting instructions for instruments with EHEDG and 3-A
Observe the following instructions, especially for EHEDG certified
and 3-A conform instruments.
To maintain the EHEDG certification, one of the EHEDG-recom-
„
mended process connections must be used. These are marked
with the logo in the data sheet.
To maintain the conformity to the 3-A standard, a 3-A conform
„
process connection must be used. These are marked with the
logo in the data sheet.
Mount the instrument with minimal dead space and able to be
„
cleaned easily.
The mounting position of the instrument, welding socket and
„
instrumentation T-piece should be designed to be self-draining.
The mounting position must not form a draining point or cause a
„
basin to be formed.
With the process connection via an instrumentation T-piece, the
„
branch L of the T-piece must not be longer than the diameter D of
the T-piece (L ≤ D).
Special instructions for in-line versions
In-line access units (e.g. NEUMO BioControl
„
tion T-pieces in horizontal pipes should be installed with a slight
pipe inclination for self-draining.
WIKA operating instructions disphragm pressure gauge, model PG43SA-D
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)
) and instrumenta-
®
EN
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