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Control systems Control valves
Spare parts The spare parts available are in heavy outline. Parts drawn in a grey line are not supplied as spares. These spares are for the following valves:- QL33D, QL43D, QL63D, QL73D Diverting DN25 to DN200 QL33M, QL43M, QL63M, QL73M Mixing DN15 to DN200
Available spares Actuator clamping nut
A DN15 to DN50
A DN65 to DN200
A B
PTFE gland seal kit for DN15 to DN50 only (gasket, chevrons, spring, upper and lower bearings and 'O' ring) PTFE gland seal kit for DN65 to DN100 only (gasket, chevrons, guide bush, spring) PTFE gland seal kit for DN125 to DN200 only (gasket, chevrons, guide bush, spring) Graphite gland seal kit for DN15 to DN200 (graphite stem seals and stuffing box gasket)
B1
B2
C
D, E
Stem, plug and bonnet gasket
C
B1
E
Bonnet gasket (packet of 3)
B
B2
F
Seats (1 off top and bottom)
4.1 122
Note: PTFE and graphite seal kits are suitable for stuffing box and extended bonnet versions.
F
Mixing
D
Diverting
E
F
TI-P359-14 CTLS Issue 8
Page 10 of 11
QLM and QLD Three-port Control Valves
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