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 Valve and seat assembly

A1, D1, E, J, F, L1

L1, L2, E

(DN25)

Set of all gaskets

E, L1, L2, B, U, C

(DN32 - DN50)

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 and seat assembly for a Spirax Sarco DN40 KX33 self-acting control valve.

S

S

J

4.5 49

J

KX31 Sizes 1¼" - 2"

KX31 Sizes ½" - 1"

F

F

A1

D1

E

B

L1

A1

U

C

D1

E

L1

L2

L2

TI-P078-01 CTLS Issue 10

Page 5 of 5

KX31 and KX33 Cast Iron Self-acting Control Valves

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