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Design and principle of operation
Table 3: K
coefficients
VS
Body with screwed ends
Valve size
Standard version
K
coefficients
VS
Special version
x
values
Fz
Flanged body
Valve size
K
coefficients
VS
x
values
Fz
Table 4: Dimensions · Weights
Valve size
Length L
Pipe Ø d
Connection R
Width across flats SW
Height H
Height H1
Height H2
Actuator housing ØD
X
Version with welding ends
Length L1
Weight
Version with threaded ends
Length L2
Male thread A
Weight
Version with screwed-on flanges or with flanged body (DN 32 to 50 only)
Length L3
Weight
273 mm with 6 to 11 bar set point range
1)
16
DN
15
2.5
1.0 · 4.0
DN
Type 44-7
Type 44-4
kg (approx.)
kg (approx.)
kg (approx.)
20
25
6.3
8.0
0.60
DN 32
12.5
0.55
DN
15
20
mm
65
70
mm
21.3
26.8
G ¾
G 1
mm
30
37
mm
228
2)
mm
248
1)
mm
41
mm
mm
mm
mm
210
234
3.6
3.7
mm
129
144
G ½
G ¾
3.5
3.6
mm
–
–
Set point range 6 to 11 bar: H + +19 mm
2)
32
12.5
16.0
—
0.55
DN 40
20.0
0.5
25
32
75
100
33.7
42.0
G 1¼
G 1¾
46
60
252
2)
272
1)
55
32
116
36
244
268
4.1
5.7
159
192
G 1
G 1¼
4.0
5.5
180
8.7
40
50
20.0
0.5
0.45
DN 50
25.0
0.45
40
50
110
130
48.0
60.0
G 2
G 2½
65
82
380
410
56
45
160
294
330
11.8
14.2
206
228
G 1½
G 2
11.5
13.8
200
230
15.8
17.6
EB 2723 EN
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