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3.1 Technical data
The regulator's nameplate contains information
on the regulator version (see section 2.1).
Process medium and scope of application
The flow regulator with connection for addi-
tional electric actuator and control thermo-
stat (Type 2489/57xx or Type 58xx/2430)
is suitable for controlling water and
non-flammable gases.
− Non-flammable gases up to 150 °C
− Liquids up to 150 °C
The regulator is open when relieved of pres-
sure. It closes when the downstream pressure
rises above the adjusted set point.
Operating diaphragm and seals made of FKM
1)
Conformity
The Type 2489/58xx/57xx/2430 Regulator
bears both the CE and EAC marks of confor-
mity.
Testing according to DIN EN 14597
Various SAMSON electric actuators with
fail-safe action "actuator stem extends" are
tested by the German technical surveillance
association (TÜV) according to
DIN EN 14597 in combination with
Type 2489 Valve.
The registration number is available on re-
quest.
EB 3135-2 EN
Design and principle of operation
Temperature range
The Type 2489/57xx/2430 and
Type 2489/58xx/2430 Regulators are de-
signed for a temperature range from –10 to
+150 °C.
Leakage class
The metal-seated regulator has the leakage
class I according to IEC 60534-4.
The soft-seated regulator has the leakage
class IV according to IEC 60534-4.
1)
Noise emissions
SAMSON is unable to make general state-
ments about noise emissions. The noise emis-
sions depend on the regulator version, plant
facilities, process medium and operating
conditions.
WARNING
!
Risk of hearing loss or deafness due to loud
noise.
− Wear hearing protection when working
near the valve. Follow the instructions giv-
en by the plant operator.
Dimensions and weights
Fig. 5 and Table 3 provide an overview of
the dimensions and weights of the
Type 2489/5x/2430 Regulator. The lengths
and heights in the dimension diagrams are
shown on page 21 onwards.
17
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