2-1
EB|LTR|43_EN
May 2023 edition
Subject to technical changes
Markings on the device
2 Markings on the device
2.1 Control and shut-off valve type plate
The butterfl y valves are marked with a metal type plate that is
fastened to the butterfl y valve or, if required, in another suitable
location of the valve (e.g. extension, bridge).
Conformity with the Pressure Equipment Directive is confi rmed
when the type plate bears the CE symbol with the ID number of
the notifi ed body.
The plate provides the following information:
Figure|2-1: Sample type plate
Figure|2-2: Type plate positions
Table|2-1: Meaning of the positions on the type plate
Pos. Meaning of the marking position
1 Butterfl y valve type
2 Nominal size (DN or NPS)
3 Nominal pressure level (PN or CL)
4 Order number
5 Permissible pressure (PS)
6 Permissible maximum temperature (TSmax.)
7
Maximum permissible differential pressure on the shut-off
trim (P shut-off trim)
8 Permissible minimum temperature (TSmin)
9 Year and month of manufacture (Date)
10 Fluid group
11 Test point no. if available (Tag no.)
The current type plates are attached to the fi nal documentation
for each order.
The preferable pressure force direction is marked by a direction
arrow that is integrated in the butterfl y valve body or is fastened
as a metal label on the body in a suitable position. Further infor-
mation can be provided on additional metal labels.
2.2 Actuator type plate
See the corresponding documentation.
2.3 Material markings
The material markings for bodies and wedge-lock-washers are
cast into or stamped onto the respective components.
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