Swing Check Valve
Check valves that prevent reverse flow and protect pumps, branches and process lines.
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Check Valves
Lift Check Valve
Lift Check Valve for industrial valve automation and pipeline control applications.
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Technical Specifications
Nominal Pressure PN (MPa)
Hydrostatic Test Pressure 1.5PN (MPa)
Seal Test Pressure
Medium Working Temperature (°C)
Water 1.1PN (MPa)
Gas (MPa)
Up to 200
250
300
350
400
425
450
Maximum Allowable Working Pressure (MPa)
1.6
2.40
1.76
0.6
1.6
1.5
1.3
1.2
1.0
0.9
0.7
2.5
3.75
2.75
0.6
2.5
2.3
2.0
1.8
1.6
1.4
1.1
Main Part Materials
Part Name
Material
C
P
Body
WCB
1Cr18Ni9Ti
Guide Bushing
1Cr13, 2Cr13
1Cr18Ni9
Seat Sealing Surface
507
1Cr18Ni9Ti
Disc Sealing Surface
D507Mo
1Cr18Ni9Ti
Dimensions and Connection Sizes
Nominal Pressure PN (MPa)
Nominal Diameter DN (mm)
Dimensions (mm)
Weight (kg)
Nominal Pressure PN (MPa)
Nominal Diameter DN (mm)
Dimensions (mm)
Weight (kg)
L
D
D1
D2
D3
b
H
z-d
L
D
D1
D2
D3
b
H
z-d
1.6
25
160
115
85
65
115
14
71
4-14
3.3
2.5
25
160
115
85
65
115
16
115
4-14
32
180
135
100
78
130
16
84
4-18
5.0
32
180
135
100
78
130
18
130
4-18
40
200
145
110
85
145
16
96
4-18
6.3
40
200
145
110
85
145
18
135
4-18
50
230
160
125
100
160
16
115
4-18
8.9
50
230
165
125
100
160
20
150
4-18
65
290
180
145
120
175
18
140
4-18
13.2
65
290
185
145
120
175
22
160
8-18
80
310
195
160
135
200
20
170
8-18
24
80
310
200
160
135
200
22
170
8-18
100
350
215
180
155
235
20
200
8-18
48
100
350
235
190
160
235
24
195
8-23
125
400
245
210
185
285
22
230
8-18
60
125
400
270
220
185
285
28
225
8-25
150
480
280
240
210
300
24
255
8-23
95
150
480
300
250
210
300
30
255
8-25
200
600
340
295
265
400
34
285
12-23
100
200
600
360
310
275
400
34
285
12-25
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