Control systems Self-acting controls
4
Valve selection data Table 5 Normally open valves for heating applications For pressure temperature relationships please refer to the pressure/temperature charts in Table 4. *Please note: The KB31 , KB33 , KB43 , and KB51 control valves can also be used on water applications where high P conditions exist.
BM (DN15 flanged) BMF (DN15 flanged) BX (DN15 screwed)
SB (DN15 - DN25 screwed)
4.5 7
KA31 (DN15 - DN25 screwed) KA33 (DN15 - DN25 flanged)
KB31 (DN25 screwed) * KB33 (DN25 flanged) KB51 (DN25 screwed) *
KA31 (DN32 - DN50 screwed) KA33 (DN32 - DN50 flanged) KA43 (DN15 - DN50 flanged)
KB33 (DN32 - DN50 flanged) * KB43 (DN32 - DN50 flanged) * KC43 (DN32 - DN50 flanged)
KB31 (DN32 - DN50 screwed) * KB51 (DN32 - DN50 screwed) * KC51 (DN40 - DN50 screwed)
NS (DN65 - DN80 flanged) NS (DN65 - DN80 screwed)
TI-S21-07 CTLS Issue 6
Page 7 of 13
2-Port Self-acting Temperature Control Valve Selection for Heating and Cooling Applications
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