Samson 42-10 Mounting And Operating Instructions page 22

Rs check valve (backflow protection)
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Design and principle of operation
Dimensions and weights
DN 15 to 150/NPS ½ to 6
L
ØD
Dimensions in mm and weights · DIN version
Valve size
Length L
Height H1
Forged steel
Height
1.4571
H2
Other materials
Height H
1)
Actuator ØD
Weight for PN 16
in kg
1)
(approx.)
Minimum clearance to remove the actuator: +100 mm
1)
Fig. 3-4: Dimensions of the regulators
3-8
DN
15
20
25
130
150
160
225
53
70
44
550
285 mm (A = 320 cm²)
26
26.5
28
DN 200 and 250/NPS 8 and 10
32
40
50
65
180
200
230
290
300
92
98
72
100
600
800
35
35.5 39.5 59.5 65.5
ØD
L
80
100
125
150
310
350
400
480
355
460
590
120
145
175
830
1000
390 mm (A = 640 cm²)
75
110
165
200
250
600
730
730
260
1144
410
470
EB 3009 EN

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