
14 … 76
MC • Edition 2022.08 • No
. 279 663 R
ev
. -0
15 … 76
6.7 Type plate
85
53
Regulator
Abbrevia-
tion
Description
AG
o
Response pressure group of the overpressure shut-off (OPSO)
AG
u
Response pressure group of the underpressure shut-off (UPSO)
AC
Accuracy class
K
G
Flow volume coefficient for natural gas
DN
Nominal diameter
Fail-open
If the main diaphram or the auxiliary pressure required for the actuation of the main valve fails, the main valve
moves automatically to the open position.
DS
Type: differential strength range
Class A
Functional class: in case the membrane is damaged or in the event of a breakdown of the impulse line
pressure the SAV closes
p
d
Outlet pressure
p
u
Inlet pressure
PN
Nominal pressure of the flange
PS
Maximum admissible pressure
SAV
Safety shutoff valve / slam-shut valve (ASE without housing)
SG
Lock-up pressure class
-20T60
Operating temperature -20 °C ... +60 °C / -4 °F to + 140 °F
SN
Serial number
W
ds
Specific guide range
W
do
Adjustment range for the overpressure shut-off (OPSO) through regulation of the
available adjusting springs
W
du
Adjustment range for the underpressure shut-off (UPSO) through regulation of the
available adjusting springs
W
dso
Specific adjustment range of the adjusting spring installed for the overpressure shut-off (OPSO)
W
dsu
Specific adjustment range of the adjusting spring installed for the underpressure shut-off (UPSO)
Содержание FRM-NOC 100025 HD
Страница 17: ...MC Edition 2022 08 No 279 663 Rev 0 17 76 A B C D E A B C D E F Type UHD F Type HD...
Страница 45: ...MC Edition 2022 08 No 279 663 Rev 0 45 76 Type UHD X Y Q S W V M C A B D E G F J K L N P H O R U I...
Страница 47: ...MC Edition 2022 08 No 279 663 Rev 0 47 76 Type ND MD for 2 DN 40 DN 50 M B D E G F J K L N H X Y Q S W V O I T...
Страница 66: ...66 76 MC Edition 2022 08 No 279 663 Rev 0 14 4 Tools required A B C2 D C1...
Страница 74: ...74 76 MC Edition 2022 08 No 279 663 Rev 0...
Страница 75: ...MC Edition 2022 08 No 279 663 Rev 0 75 76...