Liquid Ammonia Closed Sampling Device

1) operation safety: leak-free sampling and sealing connections. Can be recycled back to the process of sampling media can also be discharged to the flare system. Added a unique vacuum system, sample residue in the piping can be pumped into a negative pressure, maximum to avoid various toxic and harmful gases, liquids, damage to the operator.

2) sample is typical: before sampling pipe replacement to ensure the representativeness of the sample;