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
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 |
4×14 |
95 |
65 |
4×14 |
95 |
65 |
4×14 |
|
20 |
150 |
95 |
191 |
125 |
125 |
105 |
75 |
4×14 |
105 |
75 |
4×14 |
105 |
75 |
4×14 |
|
25 |
160 |
100 |
197 |
125 |
125 |
115 |
85 |
4×14 |
115 |
85 |
4×14 |
115 |
85 |
4×14 |
|
32 |
180 |
105 |
200 |
125 |
125 |
140 |
100 |
4×18 |
140 |
100 |
4×18 |
140 |
100 |
4×18 |
|
40 |
200 |
115 |
218 |
150 |
150 |
150 |
110 |
4×18 |
150 |
110 |
4×18 |
150 |
110 |
4×18 |
|
50 |
230 |
125 |
220 |
150 |
150 |
165 |
125 |
4×18 |
165 |
125 |
4×18 |
165 |
125 |
4×18 |
|
65 |
290 |
145 |
238 |
175 |
175 |
185 |
145 |
4×18 |
185 |
145 |
8×18 |
185 |
145 |
8×18 |
|
80 |
310 |
155 |
257 |
175 |
225 |
200 |
160 |
8×18 |
200 |
160 |
8×18 |
200 |
160 |
8×18 |
|
100 |
350 |
175 |
340 |
225 |
300 |
220 |
180 |
8×18 |
235 |
190 |
8×22 |
235 |
190 |
8×22 |
|
125 |
400 |
200 |
360 |
225 |
300 |
250 |
210 |
8×18 |
270 |
220 |
8×26 |
270 |
||
