UK Product Handbook 2026 - Volume 1

Control systems Self-acting controls

4

Spare parts The spare parts available are shown in solid outline. Parts drawn in a grey line are not supplied as spares. Available spares

A, B, C, D, E, L, U, G

Valve seat assembly (excluding bellows and stem assembly)

G, L, N, H

Bellows and stem assembly

KB51 and KC51

B, C, E, L, U

Set of gaskets

S

Set of bonnet studs and nuts (set of 4)

How to order spares Always order spares by using the description given in the column headed 'Available spares' and state the size and type of valve. Example : 1 - Valve seat assembly for a Spirax Sarco 1¼" KB51 self-acting control valve.

4.5 43

E

D

C U A B

X

H

N G

L

S

TI-P078-04 CTLS Issue 10

Page 5 of 5

KB51 and KC51 Bronze Self-Acting Control Valves

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