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Check valve Series: 35.003 Type: 655 Steel Flange PN40
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Cast steel check valve, piston type, with bolted cover and flanged ends, pressure class PN40.
Application
General Industry.
Neutral liquids.
Steam, hot or cold water, oil, etc.
Suitable for horizontal and vertical (rising flow) mounting.
Technical information
Design: EN 16767.
Testing: EN 12266-1.
Opening pressure: 0,1 bar.
Leakage rate: EN 12266-1 , class C.
Options
Available in stainless steel; type 97.
Available with PTFE disc seat.
Leckrate: EN 12266-1 , class A.
Calculation of the correct size based on process flow data.
Tables
DN
A
L
L1
H
H1
Weight
Opening pressure
KVS value
mm
mm
mm
mm
mm
mm
[kg]
[bar]
m³/hr
15
95
130
90
70
40
3,8
0,1
5,7
20
105
150
95
70
35
4,9
0,1
7,8
25
115
160
100
80
45
5,9
0,1
12
32
140
180
105
80
45
7,1
0,1
18
40
150
200
115
85
55
10,4
0,1
27,5
50
165
230
125
95
60
12,3
0,1
48
65
185
290
145
110
65
22,7
0,1
78
80
200
310
155
130
95
28,5
0,1
109
100
235
350
175
155
105
40
0,1
168
125
270
400
200
165
120
64
0,1
265
150
300
480
225
215
150
90
0,1
389
200
375
600
275
285
195
170
0,1
667
250
450
730
325
325
220
240
0,1
1053
300
515
850
375
365
240
374
0,1
1504
350
580
980
425
420
300
508
0,1
2042
400
660
1100
475
430
310
786
0,1
2725
500
755
1350
525
530
380
1044
0,1
4167
-10/20°C
100°C
150°C
200°C
250°C
300°C
350°C
400°C
450°C
PN40
40
37,3
34,7
30,2
28,4
25,8
24
23,1
22,2
[bar]
Stock item
Stock item (2)
Stock item
Norm: EN (DIN)
Norm: EN (DIN)
Construction type: Straight
Construction type: Straight
Housing material: Steel
Housing material: Steel
Material quality: 1.0619+N
Material quality: 1.0619+N
Nominal inner diameter
DN100 (1)
DN125 (1)
DN15 (1)
DN150 (1)
DN20 (1)
DN200 (1)
DN25 (1)
DN250 (1)
DN300 (1)
DN32 (1)
DN40 (1)
DN50 (1)
DN65 (1)
DN80 (1)
Nominal inner diameter
Connection: Flange
Connection: Flange
Pressure rating: PN40
Pressure rating: PN40
Face to Face length (mm)
130 (1)
150 (1)
160 (1)
180 (1)
200 (1)
230 (1)
290 (1)
310 (1)
350 (1)
400 (1)
480 (1)
600 (1)
730 (1)
850 (1)
Face to Face length (mm)
Valve shape: Flap
Valve shape: Flap
Sealing: Stainless steel
Sealing: Stainless steel
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