Resulting product is a skin packaged food. These machines are working in cycles from atmosphere pressure to 1 mbar (29.9” HG) every 0.5 to 2 minutes.

Typical pumping system:

Single stage rotary vane pumps or dry pumps, often also with roots blower if the fore vacuum pump is far from the machine.

Application challenges in term of

Pump temperature

High

Heavy duty operation (cycles)

Medium

Dust / Powder / Particules

High

Moisture

Medium