4.1.75
Size
DN15
130
DN20
150
DN25
160
DN32
180
DN40
200
DN50
230
DN65
290
DN80
310
DN100
350
DN125
400
DN150
480
DN200
600
90
105
95
105
100
109
105
124
115
137
125
143
145
160
155
165
175
180
200
280
225
300
275
370
166
7.0
166
6.9
170
8.8
185
11.0
190
14.5
196
18.5
357
31.0
361
40.8
373
48.5
445
78.0
463
115.0
554
143.0
Extended / Bellows
166.0
8.3
10.2
12.4
15.9
20.0
33.0
42.8
50.5
81.0
118.0
147.0
Kv flowrate coefficients and travel
Nominal size
Travel
mm
Mixing service
Kv
Diverting service
Kv
DN15 DN20 DN25 DN32 DN40 DN50
20
20
20
20
20
20
4
6
10
17
25
35
-
-
10
17
25
35
DN65 DN80 DN100 DN125 DN150 DN200
30
30
30
50
50
50
Kv flowrate coefficients are shown in metric units (Kv = water flowrate in m
3
/h with 1
For conversion: Cv (UK) = Kv x 0.963 Cv (US) = Kv x 1.156
Dimensions and weights (approximate) in mm and kg
Control valves
Control valves
Dimensions (mm)
A
D
C
C1*
Standard
Weights (kg)
Bonnets
* Note: The C1 dimension shown refers to valves fitted with an extended bonnet, with or without PN16 and PN25 bellows.
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TI-P359-14 CH Issue 4
QLM and QLD Three-port Control Valves
Page 6 of 8
C/C1
D
➤
A
62
100
130
195
62
100
130
195
bar differential pressure).
310
450
310
450
