How to use liquid nitrogen pump:
1. Close the liquid nitrogen pump’s liquid outlet valve;
2. Insert the liquid inlet of the liquid nitrogen pump into the neck of the jar and turn it clockwise until it is tight;
3. Also insert the liquid nitrogen pump outlet into the tank, and seal the liquid nitrogen pump and neck tube with a sealing ring;
4. If it is a foot pump, you can control the liquid discharge by simply stepping on it; if it is an electric pump, you can control the discharge of liquid nitrogen through the mobile phone APP.
Generally speaking, the foot pump has a liquid output of about 5L per minute, and the mechanical pump has a liquid output of about 8L per minute.
Note: Whether it is a foot-operated or mechanical liquid nitrogen pump, the diameter of the tank is required to be 50mm and the volume is greater than or equal to 10L. Liquid nitrogen tanks that do not meet the conditions cannot be used.