立式止回阀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℃ |
| |
立式止回阀性能规范
型 号 | 公称 | 主要结构尺寸(mm) | 阀体 材料 | 性能规范 | |||||||||
通径DN(mm) | 压力 PN(MPa) | 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 |
| ||
" | 125 | " | 270 |
| 275 |
|
| " | " | " |
| ||
" | 150 | " | 300 |
| 300 |
|
| " | " | " |
| ||
" | 200 | " | 360 |
| 380 |
|
| " | " | " |
| ||
H42H-40 | 100 | 4.0 | 230 |
| 210 |
|
| 碳钢 | ≤425 | 水、油品、蒸气等 |
| ||
" | 125 | " | 270 |
| 275 |
|
| " | " | " |
| ||
" | 150 | " | 300 |
| 300 |
|
| " | " | " |
| ||
" | 200 | " | 375 |
| 380 |
|
| " | " | " |
| ||
