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1 Introduction
1.4.2.6
The installation conditions for new systems according to TRG G13 and the facilitated
installation conditions for RMG turbine meters are compared in the table below.
Type of up-
stream per-
30
tubation
none
Bend
Bends in 2
planes
Gas pressure
regulating
device with an
attenuator
Gas pressure
regulating
device without
an attenuator
Diffuser
Diffuser with
swirling flow
Manual TME400-VMF · EN11 · January 22nd, 2024
Technical guideline G13
Installation
conditions
according to
TR G13
Inlet ≥ 5 DN
Outlet ≥ 2 DN
Inlet ≥ 10 DN
Inlet ≥ 5 DN
Inlet ≥ 5 DN
plus 2 perforated
plate straighteners
or a bend straight-
ener
Inlet ≥ 5 DN
Inlet ≥ 5 DN
plus 2 perforated
plate straightener
Inlet ≥ 5 DN
plus 1 perforated
plate straightener
Inlet ≥ 5 DN
plus 2 perforated
plate straightener
Installation
Comments
conditions for
RMG type
TME 400 me-
ters
The outlet pipe can also be designed as a
Inlet ≥ 2 DN
bend.
Outlet ≥ 2 DN
Pertubation upstream from this inlet pipe
does not have to be factored in when the
requirements for an alternating and puls-
ing flow are fulfilled.
Inlet ≥ 2 DN
Inlet ≥ 2 DN
Inlet ≥ 2 DN
plus 1 perforated
plate straightener
Inlet ≥ 2 DN
plus 1 perforated
plate straightener
Inlet ≥ 2 DN
Inlet ≥ 2 DN
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