UK Product Handbook 2026 - Volume 1

Control systems Self-acting controls

4

KY51 (DN32 - DN50 screwed)

KX31 (DN15 - DN25 screwed) KX33 (DN15 - DN25 flanged)

4.5 11

SBRA (DN15 - DN25 screwed)

BXRA (DN15 screwed) BMFRA (DN15 flanged) BMRA (DN15 screwed)

KX31 (DN32 - DN50 screwed) KX33 (DN32 - DN50 flanged)

NSRA (DN65 - DN80 screwed) NSRA (DN65 - DN80 flanged)

TI-S21-07 CTLS Issue 6

Page 11 of 13

2-Port Self-acting Temperature Control Valve Selection for Heating and Cooling Applications

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