FLANGE END NON-RISING STEM GATE VALVE
Norminal pressure |
DN40-300 |
DN350-400 |
|
1.0MPa |
0.4MPa |
||
suitable medium |
water,oil, steam |
||
test pressure |
shell |
1.5MPa |
0.6MPa |
seat |
1.1MPa |
0.44MPa |
|
test time |
DN40-150 |
60s |
|
DN> 150 |
120s |
Technical Requirement:
DN |
L |
D |
D1 |
D2 |
B |
f |
n-d |
Do |
40 |
140 |
150 |
110 |
84 |
18 |
3 |
4-19 |
155 |
50 |
150 |
165 |
125 |
102 |
18 |
3 |
4-19 |
155 |
65 |
170 |
185 |
145 |
122 |
18 |
3 |
4-19 |
155 |
80 |
180 |
200 |
160 |
138 |
20 |
3 |
8-19 |
155 |
100 |
190 |
220 |
180 |
158 |
20 |
3 |
8-19 |
190 |
125 |
200 |
250 |
210 |
188 |
22 |
3 |
8-19 |
245 |
150 |
210 |
285 |
240 |
212 |
22 |
3 |
8-23 |
245 |
200 |
230 |
340 |
295 |
266 |
26 |
3 |
8-23 |
305 |
250 |
250 |
395 |
350 |
319 |
28 |
3 |
12-23 |
305 |
300 |
270 |
445 |
400 |
370 |
28 |
4 |
12-23 |
305 |
350 |
290 |
505 |
460 |
430 |
26 |
4 |
16-23 |
305 |
400 |
310 |
565 |
515 |
482 |
28 |
4 |
16-28 |
305 |
19 |
nut |
steel |
DIN17100 RSt37-2 |
GB700-88 Q235 |
18 |
washer |
steel |
DIN17100 RSt37-2 |
GB700-88 Q235 |
17 |
handwheel |
cast iron |
DIN1691 GG25 |
GB9439-88 HT250 |
16 |
gland nut |
cast brass |
DIN17656 G-CuZn37Pb |
GB1176-87 ZCuZn40Pb2 |
15 |
packing washer |
Delrin |
|
|
14 |
packing |
NBR |
|
|
13 |
bonnet |
cast iron |
DIN1691 GG25 |
GB9439-88 HT250 |
12 |
packing washer |
Delrin |
|
|
11 |
stem washer |
Delrin |
|
|
10 |
bonnet bush |
cast brass |
DIN17656 G-CuZn37Pb |
GB1176-87 ZCuZn40Pb2 |
9 |
stem |
stainless steel |
DIN17440 X20Cr13 |
GB1220-92 2Cr13 |
8 |
gasket |
NBR |
|
|
7 |
nut |
steel |
DIN17100 RSt37-2 |
GB700-88 Q235 |
6 |
bolt |
steel |
DIN17100 RSt37-2 |
GB700-88 Q235 |
5 |
stem nut |
cast brass |
|
GB1176-87 ZCuZn38Mn2Pb2 |
4 |
wedge seat ring |
cast brass |
DIN17656 G-CuZn37Pb |
GB1176-87 ZCuZn40Pb2 |
3 |
wedge |
cast iron |
DIN1691 GG25 |
GB9439-88 HT250 |
2 |
body seat ring |
cast brass |
DIN17656 G-CuZn37Pb |
GB1176-87 ZCuZn40Pb2 |
1 |
body |
cast iron |
DIN1691 GG25 |
GB9439-88 HT250 |
NO. |
Name of part |
Material |
Germany standard |
Chinese standard |