Dungs FRM-NOC 100025 HD, Instruction Manual, Page: 31 / 76

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MC • Edition 2022.08 • No
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11.3 Example of calculations of adjustment values
Determination of the setting values by means of a pressure graduation table
Selected regulator FRM-NOC 100025 MD / SAV MD
Outlet pressure of the regulator p
d
200 mbar (80 "W.C.)
System-specific operating pressure downstream of the regulator p
perm
500 mbar (200 "W.C.)
Limiting pressure in case of fault 550 mbar (220 "W.C.)
Accuracy class AC 5
Response pressure group of the upper (over) shut down pressure SAV AG
o
10
Response pressure group of the lower (under) shut down pressure SAV AG
u
10
Response group of the SBV AG 5
Result
Device group Device data Pressure graduation
Safety devices
against excessive pressure
Gas pressure regulator
Safety device
against insufficient pressure
AG
o
10
SAV
AG
o
10
AG 5
SBV
AG 5
440 mbar (176 "W.C.)
400 mbar (160 "W.C.)
360 mbar (144 "W.C.)
315 mbar (126 "W.C.)
300 mbar (120 "W.C.)
285 mbar (114 "W.C.)
p
d
=
p
do
=
SG 20
AC 5
FRM
AC 5
210 mbar (84 "W.C.)
200 mbar (80 "W.C.)
190 mbar (76 "W.C.)
p
d
=
240 mbar (96 "W.C.)
AG
u
20
SAV
AG
u
20
60 mbar (24 "W.C.)
50 mbar (20 "W.C.)
40 mbar (16 "W.C.)
p
du
=
Limiting pressure in case of fault: 1.1 * p
perm.
550 mbar (200 "W.C.)