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

3, 4, 6, 8 3, 4, 6, 8

BX valve

Valve seat assembly

BXRA valve

Gasket set (packet of 3 each)

4, 8

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 ½" BXRA self-acting control valve.

1

BX

BXRA

4.5 25

4

4

3

3

Spindle retaining nut

6

6

8

8

Recommended tightening torques

7

or mm

Item Part

N m

ft lbf

3 7

Valve seat

18 A/F

40 - 50

30 - 37

Bonnet

40 - 50

30 - 37

TI-P036-02 CTLS Issue 7

Page 5 of 5

BX and BXRA Gunmetal Self-acting Control Valves

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