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立式止回阀 |
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采用标准
1.设计、制造：GB12235-89
2.法兰标准：JB/T79-94
3.结构长度：GB12221-89
4.检验与试验：ZBJ16006-90 |
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| 主要材料及性能参数 |
| 主体材料 |
WCB |
ZG1Cr18Ni9Ti |
ZG1Cr18Ni12Mo2Ti |
ZG2Cr5Mo |
| 主要参数 |
适用介质 |
油品、水、蒸汽 |
硝酸类 |
醋酸类 |
油品、水、蒸汽 |
| 适用温度℃ |
≤425 |
≤200 |
≤200 |
≤550 |
|
| |
| 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 |
| H42H-25 |
100 |
2.5 |
230 |
|
210 |
|
|
碳钢 |
≤425 |
水、油品、蒸气等 |
50 |
| " |
125 |
" |
270 |
|
275 |
|
|
" |
" |
" |
70 |
| " |
150 |
" |
300 |
|
300 |
|
|
" |
" |
" |
115 |
| " |
200 |
" |
360 |
|
380 |
|
|
" |
" |
" |
200 |
| |
| H42H-40 |
100 |
4.0 |
230 |
|
210 |
|
|
碳钢 |
≤425 |
水、油品、蒸气等 |
50 |
| " |
125 |
" |
270 |
|
275 |
|
|
" |
" |
" |
70 |
| " |
150 |
" |
300 |
|
300 |
|
|
" |
" |
" |
115 |
| " |
200 |
" |
375 |
|
380 |
|
|
" |
" |
" |
200 |
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