Scope Of Application:
|
Norminal pressure |
1.6MPa |
|
|
suitable medium |
water |
|
|
test pressure |
shell |
2.4MPa |
|
seat |
1.76MPa |
|
|
test time |
DN50-150 |
60s |
|
DN>150 |
120s |
|
|
temperature |
-20°c-150°c |
|
Technical Requirement:
- Face to face dimension DN50-100 conform to Series 14 of BS EN 558-1,and DN125-200 conforms to Series 15 of BS EN558-1.
-
Flange drilled conforms to BS EN1092.
|
DN |
L |
D |
D1 |
D2 |
B |
f |
n-d |
M |
|
50 |
150 |
165 |
125 |
102 |
20 |
3 |
4-19 |
220 |
|
65 |
170 |
185 |
145 |
122 |
20 |
3 |
4-19 |
284 |
|
80 |
180 |
200 |
160 |
138 |
21 |
3 |
8-19 |
284 |
|
100 |
190 |
220 |
180 |
158 |
24 |
3 |
8-19 |
500 |
|
125 |
325 |
250 |
210 |
188 |
26 |
3 |
8-19 |
600 |
|
150 |
350 |
285 |
240 |
212 |
26 |
3 |
8-23 |
800 |
|
200 |
400 |
340 |
295 |
268 |
30 |
3 |
12-23 |
1000 |
|
16 |
body |
cast iron |
DIN1691 GG25 |
GB9439-88 HT250 |
|
15 |
bolt |
steel |
DIN17100 RSt37-2 |
GB700-88 Q235 |
|
14 |
seat ring |
teflon |
|
teflon |
|
13 |
O-ring |
EPDM |
|
EPDM |
|
12 |
bonnet |
cast iron |
DIN1691 GG25 |
GB9439-88 HT250 |
|
11 |
ball |
stainless steel |
DIN17440 X5CrNi189 |
GB1220 0Cr18Ni9(304) |
|
10 |
stem |
stainless steel |
DIN17440 X20Cr13 |
GB1220 2Cr13 |
|
9 |
O-ring |
EPDM |
|
EPDM |
|
8 |
O-ring |
EPDM |
|
EPDM |
|
7 |
O-ring |
EPDM |
|
EPDM |
|
6 |
sealed part |
cast brass |
DIN17656 Cu-Zn39Pb2 |
GB1176-87 ZCuZn40Pb2 |
|
5 |
spacing baffle |
steel |
DIN17100 RSt37-2 |
GB700-88 Q235 |
|
4 |
gasket |
cast brass |
DIN17656 Cu-Zn39Pb2 |
GB1176-87 ZCuZn40Pb2 |
|
3 |
washer |
steel |
DIN17100 RSt37-2 |
65Mn |
|
2 |
nut |
steel |
DIN17100 RSt37-2 |
GB700-88 Q235 |
|
1 |
handle |
ductile iron |
DIN1693 GGG40 |
GB1348 QT400-17 |
|
NO. |
Name of part |
Material |
Germany standard |
Chinese standard |