Spirax Sarco Spira-trol K Series, Инструкция по установке и обслуживанию

Страница: 26 / 68

IM-S24-42 CTLS Issue 10
26
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TRANSLATION RUN OVER
232
200
150
100
50
0
-29
450
400
300
200
100
-20
0 5 10 15 19.6
0 50 100 150 200 250 284
232
200
150
100
50
0
-29
450
400
300
200
100
0
-20
0 5 10 15 20 25 30 34.5
0 100 200 300 400 500
Bellows only
Maximum operating temperature
Minimum operating
temperature
-29 °C (-20 °F)
Note: For lower operating temperatures consult
Spirax Sarco.
Maximum differential
pressures
See relevant actuator
Technical Information
sheet
Maximum cold
hydraulic test
pressure of:
ASME
125
20.7 bar g (300 psi g)
ASME
250
51.8 bar g (750 psi g)
Warning:
If the valve is fitted with a bellows it must
be removed if hydraulic testing is to be done.
Note: When selecting a valve with a bellows sealed bonnet, the pressure/temperature limits of the bellows
must be read in conjunction with the valve pressure/temperature limits shown above.
A
G
Te
mp
er
atu
re
°C
Pressure bar g
Pressure psi g
Te
mp
era
tu
re
°F
F E
2.8 Pressure/temperature limits
The product must not be used in this region.
A - E Flanged JIS/KS 10.
A - F Flanged ASME 250 and Screwed NPT and SW.
A - G Flanged ASME 125.
Steam
saturation
curve
Te
mp
er
atu
re
°C
Pressure bar g
Bellows B
Pressure bar g
Te
mp
era
tu
re
°F
Steam
saturation
curve
KEA71 and KEA73
(SG iron)