Marking Of The Fitting - Mankenberg DM Originalbetriebsanleitung

Original operating manual
Pilot-controlled pressure regulators DM

3 Marking of the fitting

Each fitting bears the following markings as a minimum:
For Marking
Remark MANKENBERG
Fitting design Pressure reducing valve +
type or
backpressure regulator +
type or
vacuum control valve +
type
differential pressure
control + type
flow control valve + type
Nominal diameter e.g. DN or G and
numerical value
Nominal pressure PN or Class and numerical
value, or P
Pressure range Pressure range and
numerical values
Max. permitted Temperature and
temp. numerical value
Body material e.g. CrNiMo steel
Flow direction Indicated by an arrow
ATEX protection e.g. Ex II 2G IIB TX
class -10°C<Ta<+80°C
The markings (in the case of fittings made of deep-drawn stainless steel, they are etched into the body) should
neither be covered nor painted over, so that the fitting remains identifiable.
DM-4.X.222 Issue 18.07.2022
Remark
See section Further information [} 20] for the address
Design name as per accompanying MANKENBERG
data sheet
Numerical value for DN in [mm], for G in [inches]
Numerical value for PN in [bar], for Class in [lbs/square
inch].
s
Unless otherwise indicated, all data give the
overpressure above atmospheric.
If 2 numerical values are given, these apply to the inlet
and outlet pressure.
Temperatures above 50 °C entail a reduced pressure
resistance. This must be considered for the
corresponding material in accordance with the DIN EN
1092 standard
CrNiMo steel = high-alloy austenitic steel
only for devices with conformity certification according
to ATEX
6
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