Nominal diameter: DN15 ~ DN200mm
Nominal pressure: PN0.6 ~ 6.4mpa
Applicable media: oxygen, nitrogen, air, etc
Applicable temperature: -20~150℃
Operating temperature: normal temperature
Connection type: flange
Main material: stainless steel, alloy steel, etc
Oxygen pneumatic single seat control valve main parts material
|
The body,Cover |
ZG1Cr18Ni9Ti |
|
Spool, valve seat |
1Cr18Ni9Ti,Surfacing of si ti lai alloy |
|
Soft seal spool |
Reinforced polytetrafluoroethylene |
|
Packing |
Teflon,Flexible graphite, stainless steel bellows |
|
Gaskets |
Rubber asbestos board, 1Cr18Ni9Ti, graphite wound gasket |
|
Membrane cover |
A3 |
|
Corrugated diaphragm |
Nitrile rubber with reinforced polyester fabric |
|
Spring |
60Si2Mn |
|
Valve stem, push rod |
2Cr13,1Cr18Ni9Ti |
|
bushing |
2Cr13 |
Main technical parameters of oxygen pneumatic single seat control valve
|
Nominal diameterDN(mm) Seat Diameter) |
20 |
25 |
32 |
40 |
50 |
65 |
80 |
100 |
125 |
150 |
200 |
250 |
300 |
350 |
400 |
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|
10 |
12 |
15 |
20 |
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|
Rated flow coefficient KV |
straight line |
1.8 |
2.8 |
4.4 |
6.9 |
11 |
17.6 |
27.5 |
44 |
69 |
110 |
176 |
275 |
440 |
690 |
1100 |
1760 |
|
|
|
|
Equal percentage |
1.6 |
2.5 |
4 |
6.3 |
10 |
16 |
25 |
40 |
63 |
100 |
160 |
250 |
400 |
630 |
1000 |
1600 |
|
|
||
|
Rated itinerary L(mm) |
10 |
- |
- |
- |
16 |
- |
25 |
- |
40 |
- |
- |
60 |
- |
- |
100 |
- |
|
|
||
|
Effective area of diaphragm(cm2) |
280 |
- |
- |
- |
- |
- |
400 |
- |
600 |
- |
- |
1000 |
- |
- |
1600 |
- |
- |
- |
||
|
Signal range Pr) |
20～100,40～200、80～240 Section of the picture: 20～60、60-100 |
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|
Air pressurePs( |
0.14～0.4 |
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|
Natural flow characteristic |
Line, equal percentage |
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|
Inherently adjustable ratio R |
50: 1 |
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|
Allowable leakage |
Hard seal: Ⅳ level, soft seal: Ⅵ level |
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|
Nominal pressurePN |
1.6、4.0、6.4 |
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|
Medium temperaturet(℃) |
Normal temperature type |
-20～220、-40～250、-60～250 |
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|
Heat dissipation type |
-40～450、-60～450 |
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|
High temperature type |
450～560 |
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|
Low temperature type |
-60～100、-100～-200、-200～-250 |
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Dimensions of oxygen pneumatic single seat control valve
|
Nominal diameterDN |
20 |
25 |
32 |
40 |
50 |
65 |
80 |
100 |
125 |
150 |
200 |
250 |
300 |
350 |
400 |
||
|
L |
PN16 |
185 |
200 |
205 |
222 |
250 |
276 |
298 |
350 |
410 |
451 |
600 |
670 |
735 |
- |
- |
|
|
PN40 |
190 |
205 |
210 |
230 |
255 |
285 |
310 |
355 |
425 |
460 |
615 |
685 |
750 |
- |
- |
||
|
PN64 |
200 |
210 |
220 |
251 |
286 |
311 |
337 |
394 |
440 |
475 |
630 |
700 |
765 |
- |
- |
||
|
H1 |
Normal temperature型 |
PN16 |
487 |
493 |
524 |
524 |
538 |
686 |
706 |
726 |
969 |
696 |
1009 |
1353 |
1390 |
- |
- |
|
PN40 |
487 |
493 |
524 |
524 |
538 |
686 |
706 |
733 |
979 |
979 |
1029 |
1373 |
1415 |
- |
- |
||
|
PN64 |
487 |
503 |
534 |
534 |
546 |
696 |
713 |
743 |
999 |
999 |
1044 |
1385 |
1425 |
- |
- |
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|
Medium temperature type |
Standard addition plus200 |
Standard addition plus250 |
Standard addition plus320 |
Standard addition plus350 |
- |
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|
H2 |
PN16 |
53 |
58 |
68 |
73 |
80 |
90 |
98 |
108 |
123 |
140 |
168 |
203 |
230 |
- |
- |
|
|
PN40 |
53 |
58 |
68 |
73 |
80 |
90 |
98 |
115 |
135 |
150 |
188 |
223 |
255 |
- |
- |
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|
PN64 |
63 |
68 |
75 |
83 |
88 |
100 |
105 |
125 |
148 |
170 |
203 |
235 |
265 |
- - |
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|
A |
282 |
360 |
470 |
620 |
- |
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|
Flange standard |
GB: 1.6、2.5、4.0、6.4MPa ANSL: 150、300、600Lb JLS：10K、20K、30K |
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