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旋启式止回阀 |
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采用标准
1.设计、制造：GB12235-89
2.法兰标准：JB/T79.1-79.4-94
3.结构长度：GB12221-89
4.检验与试验：JB/T9092-99 |
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| 主要零件材料及性能规范 |
| 主要零件(阀体、阀盖、阀瓣) |
WCB |
ZG1Cr18Ni9Ti |
ZG1Cr18Ni12Mo2Ti |
ZG2Cr5Mo |
| 适用介质 |
蒸汽、油品、水等 |
硝酸类 |
醋酸类 |
蒸汽、油品、水等 |
| 适用温度℃ |
≤425 |
≤200 |
≤200 |
≤510 |
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| 型号 |
公称通径
DN(in) |
压力级
Class |
主要结构尺寸(mm) |
阀体材料 |
性能规范 |
重量
(Kg) |
| D |
D1 |
L |
L1 |
H
|
适用温度
(℃) |
适用介质 |
H44H-25
H44W-25P
H44W-25R |
50 |
2.5 |
160 |
|
230 |
|
|
C:碳钢
P:1Cr18Ni9Ti
R:0Cr18Ni12Mo2Ti |
C≤425
P≤200
R≤200 |
C:水、油品、蒸气等
P:硝酸类
R:醋酸类 |
|
| 65 |
" |
180 |
|
290 |
|
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|
| 80 |
" |
195 |
|
310 |
|
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|
| 100 |
" |
230 |
|
350 |
|
|
|
| 125 |
" |
270 |
|
400 |
|
|
|
| 150 |
" |
300 |
|
480 |
|
|
|
| 200 |
" |
360 |
|
550 |
|
|
|
| 250 |
" |
435 |
|
650 |
|
|
|
| 300 |
" |
485 |
|
750 |
|
|
|
| 400 |
" |
610 |
|
950 |
|
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H44H-40
H44W-40P
H44W-40R |
50 |
4.0 |
160 |
|
230 |
|
|
C:碳钢
P:1Cr18Ni9Ti
R:0Cr18Ni12Mo2Ti |
C≤425
P≤200
R≤200 |
C:水、油品、蒸气等
P:硝酸类
R:醋酸类 |
|
| 65 |
" |
180 |
|
290 |
|
|
|
| 80 |
" |
195 |
|
310 |
|
|
|
| 100 |
" |
230 |
|
350 |
|
|
|
| 125 |
" |
270 |
|
400 |
|
|
|
| 150 |
" |
300 |
|
480 |
|
|
|
| 200 |
" |
375 |
|
550 |
|
|
|
| 250 |
" |
445 |
|
650 |
|
|
|
| 300 |
" |
510 |
|
750 |
|
|
|
| 400 |
" |
655 |
|
950 |
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