Control systems Safety valves
4
Pressure/temperature limits - SV607
PN25 inlet
Steam saturation curve
The product must not be used in this region.
Pressure bar g
A tungsten alloy spring must be used in this region. Consult Spirax Sarco for further information.
PN16 inlet
Steam saturation curve
Pressure bar g
4.7 41
Body design conditions
PN16 or PN25
Size
Saturated steam
Air
Water
DN20 x DN32 DN25 x DN40 DN32 x DN50 DN40 x DN65 DN50 x DN80 DN65 x DN100 DN80 x DN125 DN100 x DN150 DN125 x DN200 DN150 x DN250 DN65 x DN100 DN80 x DN125 DN100 x DN150 DN125 x DN200 DN150 x DN250
22.5 bar g 22.5 bar g 22.5 bar g 22.5 bar g 22.5 bar g 22.5 bar g 22.5 bar g 22.5 bar g
25 bar g 25 bar g 25 bar g 25 bar g 25 bar g 25 bar g 25 bar g 25 bar g 25 bar g 25 bar g 25 bar g 25 bar g 25 bar g 25 bar g 25 bar g 25 bar g 20 bar g 20 bar g 16 bar g 16 bar g 16 bar g 16 bar g 16 bar g 16 bar g 16 bar g 16 bar g 16 bar g 16 bar g 16 bar g 16 bar g
PN25
Set pressure range maximum
20 bar g 16 bar g
14.6 bar g 14.6 bar g 14.6 bar g 14.6 bar g 14.6 bar g
PN16
Set pressure range minimum
0.2 bar g
Maximum
350 °C
Temperature
Minimum
-10 °C
Steam
5%
Overpressure
Liquids and gas Steam and gas
10% 10% 20%
Performance data
Blowdown limit
Liquids
Backpressure limit
10% of set pressure
PN25 PN16
38 bar g 24 bar g
Designed for a maximum inlet cold hydraulic test pressure of:
TI-S13-27 CMGT Issue 19
Page 3 of 13
SV60 Safety Valve
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