博美玻璃（北京）有限公司针阀为免维护设计，可长期使用，主要用于系统排空。与液体接触的部分均由高品质硼硅玻璃3.3和PTFE制成
|
DN |
d |
真空 |
工作压力 |
温度范围 |
订货号 |
|
|
mm |
mbar |
bar |
℃ |
|
|
15 |
10 |
5~10 |
2.5 |
140 |
QFA-PQ-15 |
|
25 |
10 |
5~10 |
2.5 |
140 |
QFA-PQ-25 |
|
40 |
10 |
5~10 |
2.5 |
140 |
QFA-PQ-40 |
|
50 |
10 |
5~10 |
2.5 |
140 |
QFA-PQ-50 |
|
80 |
10 |
5~10 |
2.5 |
140 |
QFA-PQ-80 |
|
100 |
10 |
5~10 |
2.5 |
140 |
QFA-PQ-100 |
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