Gate Valve
Classify
BZ41T-25
Scope Of Application：
| Norminal pressure |
2.5MPa |
|
|
suitable medium |
water,oil, steam |
|
|
test pressure |
shell |
3.75MPa |
|
seat |
2.75MPa |
|
Technical Requirement：
- Design, manufacture conforms to BS5150.
- Face to face dimension conforms to series 4 of BS EN558-1.
- Flange drilled conforms to BS EN1092。
|
SIZE |
L |
D |
D1 |
D2 |
B |
n-d |
f |
D0 |
H |
|
50 |
215.9 |
165 |
125 |
99 |
22.2 |
4-19 |
3 |
175 |
325 |
|
65 |
241.3 |
185 |
145 |
118 |
25.4 |
8-19 |
3 |
200 |
362 |
|
80 |
282.5 |
200 |
160 |
132 |
28.6 |
8-19 |
3 |
254 |
406 |
|
100 |
304.8 |
235 |
190 |
156 |
31.8 |
8-23 |
3 |
300 |
493 |
|
125 |
381 |
270 |
220 |
184 |
34.9 |
8-28 |
3 |
300 |
579 |
|
150 |
403.2 |
300 |
250 |
211 |
36.5 |
8-28 |
3 |
348 |
644 |
|
200 |
419.1 |
360 |
310 |
274 |
41.3 |
12-28 |
3 |
400 |
795 |
|
250 |
457 |
425 |
370 |
330 |
47.6 |
12-31 |
3 |
457 |
935 |
|
300 |
502 |
485 |
430 |
398 |
50.8 |
16-31 |
4 |
457 |
1059 |
|
21 |
Handwheel Nut |
steel |
BS970 43A |
GB700-88 Q235 |
|
20 |
Handwheel |
cast iron |
BS1452 Gr.220 |
B9439-88 HT250 |
|
19 |
Yoke Bushing Nut |
cast iron |
BS1452 Gr.220 |
GB9439-88 HT250 |
|
18 |
Screw |
steel |
BS970 43A |
GB700-88 Q235 |
|
17 |
Yoke Bushing |
cast brass |
BS1400 PCB1 |
GB1176-87 ZCuZn38Mn2Pb2 |
|
16 |
Yoke |
cast iron |
BS1452 Gr.220 |
GB9439-88 HT250 |
|
15 |
Nut |
steel |
BS970 43A |
GB700-88 Q235 |
|
14 |
Bolt |
steel |
BS970 43A |
GB700-88 Q235 |
|
13 |
Nut |
steel |
BS970 43A |
GB700-88 Q235 |
|
12 |
Bolt |
steel |
BS970 43A |
GB700-88 Q235 |
|
11 |
Gland Follower |
ductile iron |
BS2789 Gr420-12 |
GB1348-88 QT450-10 |
|
10 |
Packing |
graphite |
|
GB3518-83 LC35-999 |
|
9 |
Bonnet |
cast iron |
BS1452 Gr.220 |
GB9439-88 HT250 |
|
8 |
Nut |
steel |
BS970 43A |
GB700-88 Q235 |
|
7 |
Bolt |
steel |
BS970 43A |
GB700-88 Q235 |
|
6 |
Gasket |
graphite |
|
GB3518-83 LC35-999 |
|
5 |
Stem |
brass |
BS2874 CZ122 |
YB146-71 HPb59-1 |
|
4 |
Wedge |
cast iron |
BS1452 Gr.220 |
GB9439-88 HT250 |
|
3 |
Seat Ring |
cast bronze |
BS1400 LG2 |
GB1176-87 ZCuSn5Pb5Zn5 |
|
2 |
Seat Ring |
cast bronze |
BS1400 LG2 |
GB1176-87 ZCuSn5Pb5Zn5 |
|
1 |
Body |
cast iron |
BS1452 Gr.220 |
GB9439-88 HT250 |
|
NO. |
Name of part |
Material |
British standard |
Chinese standard |
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