- Recycled fiber
- Stock preparation
- Board and paper machines
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Services for board and paper
- Spare and process parts
- Workshop and roll services
- Paper machine clothing and filter fabrics
- Maintenance development and outsourcing
- Field services
- Process upgrades
- Process and production optimization
- Service agreements
- Industrial Internet solutions
- Automation services
- Valmet's way to serve
- Service Centers
- Automation for board and paper
- Industrial Internet
- Service Centers
- References
- Board and paper news and stories
- Search for products & services
- Board and paper
- Stock preparation
- Approach flow system
Approach flow system

The OptiFeed approach flow concept is an integrated wet-end system that is always designed to the needs of the paper grade.
Board and paper makers can be assured of high stock quality and undisturbed runnability of the paper machine by using a customized approach system, featuring Valmet's advanced solutions:
- Active and passive air removal
- Machine screening
- Mixing
- Diverse range of hydrocyclone technology
Benefits with Valmet's OptiFeed Approach system:
- Less energy needed
- Lower life cycle costs
- Improved product quality
- Better runnability
Valmet's approach flow system solutions