Product Information
- 1.This product is mainly used for vacuum storage, inert gas vacuum storage, vacuum drying, etc.
- 2.Using high-quality polycarbonate injection moulding, the vacuum maintains for a long time, and the change of vacuum degree is less than 6% 30-day after vacuum evacuation.
- 3.Two needle valves can be installed at the same time, one for vacuum extraction and the other for the introduction of inert gas to realize vacuum preservation in inert gas atmosphere.
- 4.The needle valve and the trachea are connected by a quick change joint. The connecting head can rotate 360 degrees freely.
- 5. It can withstand high temperature and cold. It is suitable for working temperature ranging from -40℃~120℃.