SCOPE OF APPLICATION
Norminal pressure |
1.6MPa |
shell |
2.4MPa |
seat |
1.76MPa |
suitable medium |
water,oil,steam |
temperature |
≤200°C |
Technical Requirement:
Model |
L |
D |
D1 |
D2 |
B |
f |
n-d |
15 |
130 |
95 |
65 |
46 |
14 |
2 |
4-14 |
20 |
150 |
105 |
75 |
56 |
16 |
2 |
4-14 |
25 |
160 |
115 |
85 |
65 |
16 |
3 |
4-14 |
32 |
180 |
140 |
100 |
76 |
18 |
3 |
4-19 |
40 |
200 |
150 |
110 |
84 |
18 |
3 |
4-19 |
50 |
230 |
165 |
125 |
99 |
20 |
3 |
4-19 |
65 |
290 |
185 |
145 |
118 |
20 |
3 |
4-19 |
80 |
310 |
200 |
160 |
132 |
22 |
3 |
8-19 |
100 |
350 |
220 |
180 |
156 |
24 |
3 |
8-19 |
125 |
400 |
250 |
210 |
184 |
26 |
3 |
8-19 |
150 |
480 |
285 |
240 |
211 |
26 |
3 |
8-23 |
200 |
600 |
340 |
295 |
266 |
30 |
3 |
12-23 |
250 |
730 |
405 |
355 |
319 |
32 |
3 |
12-28 |
300 |
850 |
460 |
410 |
370 |
32 |
4 |
12-28 |
10 |
bolt |
steel |
DIN17100 RSt37-2 |
GB700-88 Q235 |
9 |
bonnet |
cast iron |
DIN1691 GG25 |
GB9439-88 HT250 |
8 |
gasket |
graphite |
|
GB3518-83 LC35-999 |
7 |
nut |
steel |
DIN17100 RSt37-2 |
GB700-88 Q235 |
6 |
bushing |
brass |
DIN17656 Cu-Zn39Pb2 |
YB146-71 HPb59-1 |
5 |
spring |
stainless steel |
DIN17440 X5CrNi189 |
GB1220-92 0Cr19Ni9 |
4 |
disc |
cast iron |
DIN1691 GG25 |
GB9439-88 HT250 |
3 |
disc seat ring |
stainless steel |
DIN17440 X20Cr13 |
GB1220 2Cr13 |
2 |
body seat ring |
stainless steel |
DIN17440 X20Cr13 |
GB1220 2Cr13 |
1 |
body |
cast iron |
DIN1691 GG25 |
GB9439-88 HT250 |
NO. |
Name of part |
Material |
Germany standard |
Chinese standard |