Dungs 289265 Manual do utilizador - Página 9
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6.5 Rating plate
Abbreviation
SG
AC
AG
Rp
-20T60
Class A
PS
SBV
SN
W
us
9 ... 20
30
Description
Closing pressure
Accuracy class
Response pressure group
Thread diameter
Operating temperature range
Functional class: The FRSBV is a safety valve with separate vent and safe relief connections.
Maximum permissible pressure
Safety pressure relief valve
Serial number
Adjustment range of the spring installed for the lower response pressure
50