In laboratories and scientific research institutes, liquid nitrogen is usually used as a refrigeration medium to freeze and preserve cell samples. However, liquid nitrogen is a consumable liquid. It volatilizes when exposed to heat. Even if it is stored in a low-temperature ...
Designed for dual functions, it can maintain a constant vacuum in the well point system and transport sewage and mud. The start-up is completely automatic without adding water (dry start), and it can even run under dry conditions (dry run). Dry start-up pumps can be used to ...
All Pumps Machinery\'s automatic oil filling pump is designed with a clear focus on reliability, efficiency and durability. The vacuum pump for priming centrifugal pump has a 100% mechanical starting system, which can be quickly started and restarted even under dry conditions. ...