China aviod gas bags Al foil multi-layer gas sampling bags with side-opening stopcock valve silicone septum MBT41_0.05

Operating guide:

• Inflation pressure: Avoid filling pressure higher than 6000Pa. Fill gas until the bag is fully expanded, however, it is not so tense when you press it using your finger.
• Operating temperature: Working temperatures should be -60°C to +150°C for PTFE connector and -20°C to +80°C for PC stopcock valve .
• Storage and use: Keep away from flame and high temperature when filling and storage. Avoid contacting sharp stuff.
• Gas exchanging: Before use, flush sampling bags three times with the gas you want to fill.
• Needle sampling: When using a needle to draw gas from highly elastic septum, squeeze the septum with fingers in order to restore the sealing property after pulling out the needle.

Precautions:

• The sample gas in sampling bag to save time should not be too long, specific saving time depend on detection limit of experimental analysis requirement,gas component species,temperature and humidity,pressure, etc: generally, for pure inert gas, sampling bag can be used as a temporary storage container and recommended storage time less than 72 hours; for standard gas,flue gas,ambient atmosphere, recommended storage time less than 24 hours.
• The gas sampling bag should be cleaned repeatedly replacement if it is reused. Suggest the same sample bag collecting samples of the same kind gas, don't mix.
• High purity nitrogen gas heating replacement can reduce the interference of organic deposition.
• Avoid filling pressure higher than 6000Pa, fill gas until the bag is fully expanded, however, it is not so tense when you press it using your finger.The overpressure filling can cause gas sampling bag burst damage.
• When sampling and cleaning, please do not exceed 80% of the calibration volume, take 1L sampling bag for example, suggest sampling volume is less than 0.8 L.

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