ZEO‑RPM manual roller shutter, Odessa region.

ZEO‑RPM manual roller valve — a mechanical gate valve for regulating the supply bulk materials (for example grain,groats,compound feeds) in technological lines of elevators, warehouses or storage hoppers. The movement of the shutter is carried out manually with the help of a lever and roller guides, which ensures a smooth and controlled overlap of the flow without the use of a drive.

Main characteristics:
- Type: manual roller shutter
- Purpose: regulation of supply of loose materials in transportation lines.
- Construction: housing with guide rollers for easy movement of the gate(//tractor-service.com)
- Management: manual, lever mechanism
- Installation: installation at an angle from 0° to ~45°
- Material: steel with a protective coating.
- Working sections: various, depending on the model
- Areas of application: elevators, granaries, production lines for bulk materials

More details: https://zeo.ua/equipment/zasuvka-rolikova-ruchna-zeo-rpm