MEDENUS R 100 User Manual

34
© 11.2023
2
4
6
10
8
14
12
16
18
20
1000
1500
2000
3000
4000
6000
8000
12000
16000
24000
32000
48000
64000
96000
128000
70 80 90 100 110
11
8
6.3
5.6
3.6
2.9
0.02
1.2
3.0
12.1.4 Determination of the sound pressure level L
A
The noise of gas expansion at a maximum flow rate of approx. 65 m/s on the outlet side is shown.
Inlet pressure P
u
[bar]
Flow rate Q
n
[m³/h]
Pipe wall thickness a [mm]
Sound pressure level L
A
[dB]
Example:
P
u
= 12.0 bar
P
d
= 1.2 bar
Q
n
= 6000 m³/h
a = 2.9 mm
Type of gas:
Propane determined:
RS 250 without metallic foam:
L
A
=96 + 2 = 98 dB ±3 dB
RS 250 with metallic foam:
L
A
=96 + 2 -15 = 83 dB ±3 dB
Correction factors for some gases and gas
mixtures
Gas, gas mixtures ΔL
A
[dB]
Acetylene
Natural gas
Helium
Air
Methane
Propane
Hydrogen
0
0
-5.5
+1
0
+2
-9
Reference site: Outlet of the gas pressure regulator, lateral distance 1m
Accuracy: ±3 dB
Correction factor for metallic foam design: ΔL
A
up to -15 dB
Outlet pressure
P
d
[bar]

MEDENUS R 100 Specifications

General

Brand	MEDENUS
Model	R 100
Category	Controller
Language	English