Part name |
Valve body, valve cover |
Valve |
The stem |
valve seat |
Stem nut |
Seal ring |
filler |
Seal finger |
Base name |
WCB |
Alloy steel (special treatment) |
Stainless steel |
Alloy steel (special treatment) |
Aluminum bronze |
Filled PTFE |
Expanded graphite filled PTFE |
Oil resistant sealing grease |
Anti sulfur type |
Sulfur resistant stainless steel |
Anti sulfur sealing grease |
Pressure class |
Pressure test at room temperature(MPa) |
Applicable temperature |
Applicable medium |
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Seal up |
Upper seal |
housing |
Gas seal |
"G" type |
“D”type |
Ordinary type |
Anti sulfur type |
Basic type |
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Nominal pressurePN(MPa) |
1.6 |
1.76 |
1.76 |
2.4 |
0.6 |
-29~250 |
-46~121 |
-29~121 |
Media containing H 2 S and Co 2 > 500Mg/m 3 |
Petroleum, natural gas, water, etc. |
2.5 |
2.75 |
2.75 |
3.75 |
0.6 |
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4.0 |
4.4 |
4.4 |
6.0 |
0.6 |
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6.4 |
7.04 |
7.04 |
9.6 |
0.6 |
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10.0 |
11.0 |
11.0 |
15.0 |
0.6 |
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16.0 |
17.6 |
17.6 |
24.0 |
0.6 |
Nominal pressurePN(MPa) |
size(mm) |
|||||||||||
DN(mm) |
25 |
40 |
50 |
80 |
100 |
150 |
200 |
250 |
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1.6 |
L |
216 |
230 |
230 |
310 |
350 |
480 |
600 |
730 |
|||
H |
243 |
265 |
346 |
409 |
484 |
521 |
594 |
621 |
||||
H1 |
86 |
108 |
115 |
146 |
163 |
202 |
292 |
355 |
||||
D0 |
180 |
250 |
250 |
300 |
300 |
350 |
350 |
400 |
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weight(Kg) |
18 |
25 |
28 |
53 |
62 |
128 |
168 |
289 |
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2.5 |
L |
216 |
230 |
230 |
310 |
350 |
480 |
600 |
730 |
|
||
H |
243 |
265 |
346 |
409 |
433 |
521 |
594 |
621 |
|
|||
H1 |
86 |
108 |
115 |
146 |
163 |
202 |
292 |
355 |
|
|||
D0 |
180 |
250 |
250 |
300 |
300 |
350 |
350 |
400 |
|
|||
weightKg) |
18 |
25 |
28 |
57 |
69 |
145 |
188 |
315 |
|
|||
4.0 |
L |
216 |
230 |
230 |
310 |
350 |
480 |
600 |
730 |
|
||
H |
243 |
265 |
346 |
409 |
433 |
521 |
594 |
621 |
|
|||
H1 |
86 |
108 |
115 |
146 |
163 |
202 |
292 |
355 |
|
|||
D0 |
180 |
250 |
250 |
300 |
300 |
350 |
350 |
400 |
|
|||
weight(Kg) |
21 |
31 |
35 |
70 |
85 |
172 |
219 |
378 |
|
|||
6.4 |
L |
216 |
230 |
230 |
310 |
350 |
480 |
600 |
730 |
|
||
H |
244 |
250 |
254 |
346 |
409 |
521 |
641 |
705 |
|
|||
H1 |
86 |
108 |
86 |
120 |
152 |
215 |
299 |
420 |
|
|||
D0 |
180 |
250 |
300 |
350 |
350 |
400 |
500 |
500 |
|
|||
weight(Kg) |
21 |
37 |
42 |
84 |
100 |
208 |
265 |
452 |
|
|||
10.0 |
L |
230 |
260 |
300 |
380 |
430 |
559 |
660 |
787 |
|
|
|
H |
245 |
265 |
287 |
409 |
433 |
531 |
709 |
817 |
|
|
||
H1 |
78 |
106 |
110 |
152 |
169 |
225 |
321 |
399 |
|
|
||
D0 |
200 |
250 |
300 |
350 |
250 |
400 |
500 |
500 |
|
|
||
weight(Kg) |
30 |
44 |
58 |
95 |
125 |
245 |
316 |
540 |
|
|
||
16.0 |
L |
230 |
260 |
300 |
390 |
450 |
|
|
|
|||
H |
215 |
265 |
237 |
414 |
440 |
|
|
|
||||
H1 |
78 |
105 |
110 |
155 |
175 |
|
|
|
||||
D0 |
200 |
250 |
300 |
350 |
350 |
|
|
|
||||
weight(Kg) |
36 |
54 |
69 |
120 |
150 |
|
|
|