1 Introduction
MANUAL TME400-VCF · EN08 · July, 01
st
2021
34
1.4.2.8.
Measuring ranges
Type TME400 turbine meters have measuring ranges of at least 1:20 at atmospheric
pressure (see
chapter 1.4.2.9 Measuring accuracy
). At a higher pressure, the meas-
uring range can be expanded to 1:50. The measuring ranges are between 2.5 and
25,000 m
3
/h (operating conditions), depending on meter size.
The turbine meters with nominal diameter of DN25 and DN40 can be used up to a
maximum of 16 bar. However, there may be restrictions for threaded connections that
are subsequently used.
Figure 2: Threaded connection for DN25 and DN40
1 – Pipe fitting DIN2950
DN25 thread G 1 ½ ISO 228-1
DN40 thread G 2 ¼ ISO 228-1
DN25 / thread Rp 1 ISO 7-1
DN40 / thread Pp 1 ½ ISO 7-1
2 – Gas pipe
DN25 / thread R1 ISO 7-1
DN40 / thread R1 ½ ISO 7-1
Содержание TME400
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