The location where the vacuum furnace is easy to leak

1. The locations of the outside of the vacuum furnace body that are easy to leak are: furnace door seal, main valve stem seal, pneumatic ball valve stem seal, vent valve spool seal, explosion-proof valve spool seal, pre-exhaust valve stem seal, Thermocouple sealing, heating electrode sealing, etc.

2. The surface of the inner wall of the vacuum furnace is vented.

3. The interlayer of the vacuum furnace chamber (including the interlayer of the furnace door) and the water pipe of the gas cooling system are leaking.

4. The valve body of the pre-pump valve is leaking air, and the air filling valve (high vacuum pneumatic butterfly valve), the air supplement valve, and the pressure dividing group valve (reducing valve, fine-tuning valve, solenoid valve) in the filling group valve are leaking.