氦气技术指标:
组分/杂质 |
纯氦/4.0N |
高纯氦/5.0N |
超纯氦/6.0N |
氦气含量 |
99.99% |
99.999% |
99.9999% |
氖Ne |
≤40ppm |
≤4ppm |
≤1ppm |
氢H2 |
≤7ppm |
≤1ppm |
≤0.1ppm |
氧O2+氩Ar |
≤5ppm |
≤1ppm |
≤0.2ppm |
氮N2 |
≤25ppm |
≤2ppm |
≤0.5ppm |
一氧化碳CO |
≤1ppm |
≤0.5ppm |
≤0.1ppm |
二氧化碳CO2 |
≤1ppm |
≤0.5ppm |
≤0.1ppm |
总碳(甲烷)THC |
≤1ppm |
≤0.5ppm |
≤0.1ppm |
水分H2O |
≤20ppm |
≤3ppm |
≤0.2ppm |
氦气包装种类
钢瓶种类 |
气体压力 |
气体体积 |
气体净重 |
50L钢瓶 |
19.5±0.5MPa |
10000L |
1.65kg |
40L钢瓶 |
14.5MPa |
5400L |
0.957kg |
10L钢瓶 |
10MPa |
1000L |
0.165kg |
管束槽车(TT) |
20MPa |
约5000m3 |
约825kg |
钢瓶接口:QF-2、PX-32外螺纹/内螺纹,螺纹出口G5/8(外径22.911,牙数为14牙/英寸,螺距为1.814毫米,牙高1.162,小径20.587),CGA580 |