PN16~40
Size:DN15 ~ DN400
Material: WCB 304 316 316L
Bellows welded to the stem parts and connecting pad provide a continuous metallic barrier between the process fluid and the atmosphere to achieve zero emissions
For added security there is also a stuffing box above the bellows for secondary sealing
The metal bellows are hydroformed multi walled structure which ensures them of 10000 full cycles at the maximum pressure for the valve.
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|
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Standard Material Specifications
|
NO.
|
Part Name
|
Material |
|
1
|
Body
|
GS-C25 Carbon Steel
|
|
2
|
Bonnet
|
GS-C25 Carbon Steel
|
|
3
|
Disc
|
2Cr13/3Cr13
|
|
4
|
Seat
|
2Cr13/3Cr13
|
|
5
|
Stem
|
2Cr13-304
|
|
6
|
Handwheel
|
KTH330
|
|
7
|
Packing
|
Flexible graphite
|
|
8
|
Gasket
|
304+Flexible graphite
|
|
9
|
Bellows
|
304/316
|
Main External and Connecting Dimensions
|
DN
|
L
|
I
|
H
|
W
|
PN16
|
PN25
|
PN40
|
|
PN16,25
|
PN40
|
D
|
D1
|
n-d
|
D
|
D1
|
n-d
|
D
|
D1
|
n-d
|
|
15
|
130
|
90
|
191
|
125
|
125
|
96
|
65
|
4x14
|
95
|
65
|
4x14
|
95
|
65
|
4x14
|
|
20
|
150
|
95
|
191
|
125
|
125
|
105
|
75
|
4x14
|
105
|
75
|
4x14
|
105
|
75
|
4x14
|
|
25
|
160
|
100
|
197
|
125
|
125
|
115
|
85
|
4x14
|
115
|
85
|
4x14
|
115
|
85
|
4x14
|
|
32
|
180
|
105
|
200
|
125
|
125
|
140
|
100
|
4x18
|
140
|
100
|
4x18
|
140
|
100
|
4x18
|
|
40
|
200
|
115
|
218
|
150
|
150
|
150
|
110
|
4x18
|
150
|
110
|
4x18
|
150
|
110
|
4x18
|
|
50
|
230
|
125
|
220
|
150
|
150
|
165
|
125
|
4x18
|
165
|
125
|
4x18
|
165
|
125
|
4x18
|
|
65
|
290
|
145
|
238
|
175
|
175
|
185
|
145
|
4x18
|
185
|
145
|
8x18
|
185
|
145
|
8x18
|
|
80
|
310
|
155
|
257
|
175
|
225
|
200
|
160
|
8x18
|
200
|
160
|
8x18
|
200
|
160
|
8x18
|
|
100
|
350
|
175
|
340
|
225
|
300
|
220
|
180
|
8x18
|
235
|
190
|
8x22
|
235
|
190
|
8x22
|
|
125
|
400
|
200
|
360
|
225
|
300
|
250
|
210
|
8x18
|
270
|
220
|
8x26
|
270
|
220
|
8x26
|
|
150
|
480
|
225
|
390
|
300
|
300
|
285
|
240
|
8x22
|
300
|
250
|
8x26
|
300
|
250
|
8x26
|
|
175
|
550
|
250
|
505
|
400
|
-
|
315
|
270
|
8x22
|
330
|
280
|
12x26
|
-
|
-
|
-
|
|
200
|
600
|
275
|
530
|
400
|
-
|
340
|
295
|
12x22
|
360
|
310
|
12x26
|
-
|
-
|
-
|
|
250
|
730
|
325
|
665
|
520
|
-
|
405
|
355
|
12x26
|
425
|
370
|
12x30
|
-
|
-
|
-
|
|
300
|
850
|
375
|
720
|
520
|
-
|
460
|
410
|
12x26
|
485
|
430
|
16x30
|
-
|
-
|
-
|
|
350
|
980
|
425
|
860
|
520
|
-
|
520
|
470
|
16x26
|
555
|
490
|
16x33
|
-
|
-
|
-
|
|
400
|
1110
|
475
|
1010
|
520
|
-
|
580
|
525
|
16x30
|
620
|
550
|
16x36
|
-
|
-
|
-
|
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