The water seal valve for the nominal pressure 100MPa, temperature 425, pipeline working medium is water, steam, oil and non corrosive gases on the opening and closing device, especially suitable for steam turbine vacuum condensation system in thermal power plant,
Note: parameters are for reference only, or are not full. Valve can be used in accordance with the requirements of different pressure, material, diameter, drive, etc.. Specific please contact or online advisory contact.
The pressure is PN16~PN160, various working conditions of 150LB-900LB steel pipeline valves for pressure 1.6~25MPa/2.0-15.0MPa temperature -29~+550 oil, chemical, pharmaceutical, chemical, electric power industry and so on, it is used to water, oil, steam, acid medium. Usually material: steel WCB, stainless steel. CF8 (M). CF3 (M). A105 forged steel, F304 (L), F316L and so on.
Nominal pressure (MPa)
Shell strength test 1.6 2.5 4 6.4 10
Seal test 2.4 3.8 6 9.6 15 1.5
On the seal test 1.8 2.8 4.4 7 11
Air tightness test 1.8 2.8 4.4 7 11 1.1
|
Nominal diameter
DN(mm)
|
L
|
|
H
|
D0
|
D
|
D1
|
|
50
|
250
|
37′30°
|
334
|
250
|
58
|
50
|
|
65
|
265
|
37′30°
|
439
|
250
|
75
|
65
|
|
80
|
280
|
37′30°
|
495
|
300
|
91
|
79
|
|
100
|
300
|
37′30°
|
575
|
350
|
110
|
97
|
|
125
|
325
|
37′30°
|
590
|
350
|
136
|
121
|
|
150
|
350
|
37′30°
|
610
|
350
|
163
|
146
|
|
200
|
400
|
37′30°
|
740
|
400
|
223
|
202
|
|
250
|
450
|
37′30°
|
865
|
400
|
278
|
254
|
|
300
|
500
|
37′30°
|
990
|
400
|
330
|
305
|
|
350
|
550
|
37′30°
|
1140
|
500
|
382
|
352
|
|
400
|
600
|
37′30°
|
1 525
|
500
|
432
|
39g
|
|
450
|
650
|
37′30°
|
1620
|
600
|
485
|
451
|
|
500
|
700
|
37′30°
|
1660
|
600
|
485
|
501
|
|
600
|
800
|
37′30°
|
1750
|
700
|
535
|
601
|
|
Nominal Path
DN(mm)
|
L
|
D
|
σ
|
PN4.0(MPa)
|
PN6.4(MPa)
|
PN10.0(MPa)
|
|
D1
|
H
|
D0
|
D1
|
H
|
D0
|
D1
|
H
|
D0
|
|
50
|
250
|
64
|
37′30°
|
49
|
345
|
300
|
50
|
350
|
300
|
49
|
350
|
300
|
|
65
|
265
|
83
|
37′30°
|
67
|
441
|
300
|
66
|
447
|
300
|
64
|
447
|
300
|
|
80
|
280
|
96
|
37′30°
|
79
|
495
|
350
|
77
|
499
|
350
|
75
|
499
|
350
|
|
100
|
300
|
117
|
37′30°
|
101
|
575
|
350
|
99
|
582
|
400
|
97
|
582
|
400
|
|
125
|
325
|
144
|
37′30°
|
126
|
587
|
400
|
129
|
590
|
400
|
125
|
590
|
400
|
|
150
|
350
|
172
|
37′30°
|
152
|
607
|
400
|
150
|
611
|
450
|
145
|
611
|
450
|
|
200
|
400
|
223
|
37′30°
|
200
|
740
|
450
|
198
|
745
|
550
|
190
|
747
|
550
|
|
250
|
450
|
278
|
37′30°
|
252
|
863
|
550
|
246
|
867
|
650
|
236
|
869
|
650
|
|
300
|
500
|
330
|
37′30°
|
302
|
1008
|
650
|
294
|
1008
|
750
|
282
|
1013
|
750
|
|
350
|
550
|
382
|
37′30°
|
350
|
1142
|
750
|
342
|
1148
|
800
|
334
|
1148
|
850
|
|
400
|
650
|
432
|
37′30°
|
397
|
1527
|
850
|
387
|
1531
|
900
|
377
|
1533
|
950
|
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