Headboxes
iNOVAFLOW Concept
Uniform cross profile
Excellent formation quality
Internal stock flow optimization due an excellent flow distribution design
Convergence chamber with vanes for better turbulence control
Design speeds up to 2200 m/min
Design
Option for basis weight CM profile adjustment through high precision micro jacks
Slice opening can be manual or via an electric geared motor with position controlled by an electronic encoder
Easy access for cleaning
Installation in existing machines
Compact design for easier installation in existing machines
Possibility for installation on Fourdrinier that can be later upgraded to Crescent Former
Headbox is supplied with a supplementary frame to enable installation in the Fourdrinier
Installation in two steps
On the first step, only the headbox is installed while existent Fourdrinier is maintained
This step already offers significant gains such as improved web formation and basis weight cross profile
On the second step, Fourdrinier is replaced by one Crescent Former while the headbox is reused and installed in a new position at the top of the new Crescent Former
More than 120 Headboxes
manufactured by Hergen
until August, 2022