SCOPE OF APPLICATION:
Norminal pressure |
1.6MPa |
||
suitable medium |
water,oil,steam |
||
test pressure |
shell |
2.4MPa |
|
seat |
1.76MPa |
||
test time |
|
seat |
shell |
≤4″ |
120S |
120S |
|
≤4″
5″-10″
|
300S |
300S |
|
5″-10″
≥12″
|
300S |
900S |
Technical Requirement:
Model |
L |
D |
D1 |
D2 |
B |
n-d |
D0 |
f |
H |
50 |
177.8 |
165 |
125 |
99 |
20 |
4-19 |
178 |
3 |
311 |
65 |
190 |
185 |
145 |
118 |
20 |
4-19 |
178 |
3 |
347 |
80 |
203.2 |
200 |
160 |
132 |
22 |
8-19 |
200 |
3 |
384 |
100 |
228.6 |
220 |
180 |
156 |
24 |
8-19 |
254 |
3 |
490 |
125 |
254 |
250 |
210 |
184 |
26 |
8-19 |
300 |
3 |
541 |
150 |
266.7 |
285 |
240 |
211 |
26 |
8-23 |
300 |
3 |
656 |
200 |
292.1 |
340 |
295 |
266 |
30 |
12-23 |
348 |
3 |
778 |
250 |
330.2 |
405 |
355 |
319 |
32 |
12-28 |
400 |
3 |
933 |
300 |
355.6 |
460 |
410 |
370 |
32 |
12-28 |
457 |
4 |
1102 |
350 |
381 |
520 |
470 |
429 |
36 |
16-28 |
560 |
4 |
1259 |
400 |
406.4 |
580 |
525 |
480 |
38 |
16-31 |
560 |
4 |
1395 |
450 |
432 |
640 |
585 |
548 |
40 |
20-31 |
610 |
4 |
1560 |
500 |
457 |
715 |
650 |
609 |
42 |
20-34 |
610 |
4 |
1708 |
600 |
508 |
840 |
770 |
720 |
48 |
20-37 |
765 |
5 |
1990 |
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 |
Gland Follower 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. |
Description |
Material |
British standard |
Chinese standard |