Vacuum Desiccator Clear Visibility Double Valve Design Easy to Use Accessory

Product specification: 150mm

Maximum outer diameter: 164mm

Internal diameter: 157mm

Total height: 280mm top mounted watch

Outer diameter of base: 150mm

Outer diameter of upper retainer: 120mm

Partition diameter: 142mm

Purpose: Vacuum storage, inert gas vacuum storage, vacuum drying

Usage:

1. Slowly push the soft nylon tube into the quick change connector hole on the needle valve body and reliably insert it to the bottom. After inserting it to the end, gently pull it out to confirm that it cannot be pulled out.

2. Connect the soft nylon tube to the vacuum source.

3. Place PP partitions and samples as needed.

4. Place an O-ring seal on the outer conical surface of the upper opening of the base, cover the upper cover, and vacuum (hold the upper cover with your hand while vacuuming, and let go when the vacuum level slightly increases).

5. Take out the sample, manually unscrew the valve, and release the vacuum.