Control valves

Control valves

Pressure / temperature limits - KE43 (Carbon 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 10.

The product must not be used in this region.

Bellows B

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Pressure bar g

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Pressure bar g

Bellows C

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Steam

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Steam

saturation

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Bellows D

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Pressure bar g

Minimum operating temperature

Note: For lower operating temperatures consult Spirax Sarco.

Maximum differental pressures

Steam

saturation

curve

-10 °C

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

38 bar g

Bellows C

Bellows D

24 bar 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 11 of 29

4.1.22

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