Product Handbook 2026 - Volume 1

Control systems Control valves

4

Available spares for valves with bellows seal Graphite gland seal kit (packing set)

AS

BS CS

Seats

(2 items)

Bonnet gasket

(packet of 3)

DS

Bellows gasket

(packet of 3)

FS , CS , DS FS , CS , DS

Mixing valves

Bellows, stem, plug and bellows gasket

Diverting valves

AS

DS

4.1 123

ES/FS

CS

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 including the date code of the product. Example: 1 - PTFE gland seal kit for a Spirax Sarco DN65 QL43M three port control valve. Date coded C03.

How to fit spares Full fitting instructions are given in the Installation and Maintenance Instructions supplied with the spare.

TI-P359-14 CTLS Issue 8

Page 11 of 11

QLM and QLD Three-port Control Valves

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