Control valves
Control valves
Pressure / temperature limits - KEA61, KEA62 and KEA63 (Stainless steel)
Maximum operating temperature - Bellows only
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 on page 18.
The product must not be used in this region.
Bellows B
Pressure psi g
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Pressure psi g
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Minimum operating temperature
Note: For lower operating temperatures consult Spirax Sarco.
Maximum differental pressures
PTFE packing
Graphite packing
-29 °C
-50 °C
(-20 °F)
(-58 °F)
See relevant actuator Technical Information sheet
Maximum cold hydraulic test pressure of:
Warning: If the valve is fitted with a bellows it must be removed if hydraulic testing is to be done.
Bellows B
Bellows C
Bellows D
38 bar g
24 bar g
551 psi g
348 psi g
TI-S24-71 CH Issue 10
Spira-trol
TM
Two-port Control Valves EN Standard KE, KF and KL DN15 to DN300 and ASME Standard KEA, KFA and KLA 1⁄2" to 12"
Page 19 of 29
4.1.30
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