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

Страница: 22 / 68

IM-S24-42 CTLS Issue 10
22
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TRANSLATION RUN OVER
Bellows only
Maximum operating temperature
Minimum operating
temperature
-29 °C (-20 °F)
Note: For lower operating temperatures consult
Spirax Sarco.
Maximum differental
pressures
See relevant actuator
Technical Information
sheet
Maximum cold
hydraulic test
pressure of:
77 bar g (1 100 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.
300
250
200
150
100
50
0
-29
572
500
400
300
200
100
0
-20
0 5 10 15 19.6
0 50 100 150 200 250 284
Te
mp
er
atu
re
°C
Pressure bar g
Bellows B
Pressure bar g
Te
mp
era
tu
re
°F
Steam
saturation
curve
425
300
250
200
100
0
-29
797
700
600
500
400
300
200
100
0
-20
0 10 20 30 40 51
0 100 200 300 400 500 600 700 740
2.6 Pressure/temperature limits
A
Te
mp
er
atu
re
°C
Pressure psi g
Te
mp
era
tu
re
°F
B D C
E
E
Steam
saturation
curve
The product
must not
be used in this region.
Graphite stem sealing is required for use in this region.
A - B
Flanged ASME 300 and Screwed NPT and SW.
A - C Flanged JIS/KS 20.
A - D Flanged ASME 150.
E - E Flanged JIS/KS 10.
KEA41, KEA42 and KEA43
(Carbon steel)
Pressure bar g