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Design and principle of operation
− Max. permissible temperatures for gases
up to 80 °C
− Air/nitrogen up to 80 °C
− Liquids up to 150 °C
The regulator is closed when relieved of
pressure. It opens when the upstream pres-
sure rises above the adjusted set point.
Type test
The Type 44-4 Regulator has been typetested
as a safety excess pressure valve (SEV) by
the German technical surveillance associa-
tion TÜV.
The test mark is available on request.
With seals made of FKM
1)
Temperature range
The Type 44-4 and Type 44-7 Regulators are
designed for a temperature range from 0 to
+150 °C.
Leakage class
All regulators have the leakage class I ac-
cording to IEC 60534-4.
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.
14
1)
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
Table 4 provides a summary of the dimen-
sions and weights of the Type 44-4 and
Type 44-7 Regulators. The lengths and
heights in the dimensional drawings are
shown on page 17 onwards.
EB 2723 EN
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