Nanjing Vacuum Glovebox Operating Procedures

1. This product is divided into two parts: the main box and the transition room box. The main box cannot be evacuated separately, while the transition room box can be evacuated independently.

First, open the internal door of the transition chamber, then close all the glove interface covers, valves, and doors on the exterior of the transition chamber.

To open the three-way valve between the glove openings (turning counterclockwise), connect the space between the glove fitting cover and the glove to the glove compartment. This allows simultaneous vacuum extraction of both the inside and outside of the gloves (the glove compartment and the glove fitting) during the suction process to maintain equal air pressure on both sides.

Connect the vacuum pump to the valve in the transition chamber, turn on the vacuum pump, and slowly open the valve to pump air into the system (opening the valve too quickly may cause the gloves to inflate).

When the vacuum gauge needle drops and stabilizes at -01mpa, the vacuum pump is now complete. First, close the valve, then turn off the vacuum pump.

Next, inject an inert gas into the tank through another valve, with the direct pressure slightly higher than atmospheric pressure (indicating 0mpa on the pressure gauge), to achieve a basic pressure equilibrium between the inside and outside of the tank, with the interior slightly above the exterior. This ensures that atmospheric air does not渗透 into the fuel tank, and it can purify the gases within the tank further if desired.