44
Control systems Control valves
Operating limit conditions
QL33M and QL33D (cast iron)
Bonnet
Body
Standard
Extended
Bellows
PTFE
Graphite
PTFE
Graphite
PN16
PN25
Pressure (bar)
16 13
16
13
16
13
-
-
-
-
16
13
-
-
Temperature ( °C)
-5/+120 200 -5/+120 200 -5/+120 200
-
-
-
-
-5/+120 200
-
-
QL73M and QL73D (SG iron)
Bonnet
Body
Standard
Extended
Bellows
PTFE
Graphite
PTFE
Graphite
PN16
PN25
Pressure (bar)
25 15 25 18.7 25 18 25 18 25
15
16
11
25
15
Temperature ( °C)
-10/+120 300 -5/+120 232 -5/+120 250 -10/+120 250 -10/+120 300 -10/+120 300 -10/+120 300
QL43M and QL43D (carbon steel)
4.1 114
Bonnet
Body
Standard
Extended
Bellows
PTFE
Graphite
PTFE
Graphite
PN16
PN25
Pressure (bar)
40 21 40 33 40 32 40 32 40
21
16
10 25
16
Temperature ( °C)
-29/+120 400 -5/+120 232 -5/+120 250 -29/+120 250 -29/+120 400 -10/+120 350 -10/+120 350
QL63M and QL63D (stainless steel)
Bonnet
Body
Standard
Extended
Bellows
PTFE
Graphite
PTFE
Graphite
PN16
PN25
Pressure (bar)
40 22.1 40 26.8 40 26.2 40 26.2 40
22
16
10 25
16
Temperature ( °C)
-29/+120 400 -5/+120 232 -5/+120 250 -29/+120 250 -29/+129 400 -10/+120 350 -10/+120 350
Differential pressure For the maximum available differential pressures, see the relevant pneumatic or electrical actuator Technical Information sheets.
TI-P359-14 CTLS Issue 8
Page 2 of 11
QLM and QLD Three-port Control Valves
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