Headbox
Pressurized Headbox
Pressurized Headbox for high-speed paper machines with consistent jet velocity control.
Pressurized Headbox for high-speed paper machines with consistent jet velocity control.
The Parason Pressurized Headbox delivers precision jet delivery for high-speed paper machines, leveraging advanced air cushion technology for stable, pulsation-free flow.
Engineered with three-roll rectifier tubes and integrated turbulence control, it achieves superior fiber dispersion and uniform CD/MD profiles. The sealed, pressurized design maintains controlled head pressure through combined pond level and air pressure regulation, enabling consistent jet velocity across wide operating ranges up to 1200 m/min.
End-result focused capabilities
Internal air cushion dampens system pulsations for streak-free sheet formation
Pressurized air cushion regulates jet velocity independent of pump fluctuations
Compatible with high-resolution CD dilution systems for precise basis weight control
Rectifier rolls eliminate flow irregularities and cross-machine velocity variations
Shower spray system eliminates entrained air for defect-free sheet formation
Full integration with modern automation systems for profile optimization
Optimized for demanding applications
Designed for speeds up to 1200 m/min
Writing, printing and specialty grades
High-quality liner and medium grades
Speed upgrades and wet-end rebuilds
Engineering philosophy
Combined pond level and air pressure control maintains stable head pressure independent of upstream flow variations
Precision-machined rectifier rolls remove flow irregularities for uniform jet velocity across full width
Optimized step diffusor creates controlled micro-turbulence for superior floc dispersion
Precision-machined slice lip with fine adjustment enables exact jet thickness control
Built-in spray system eliminates air bubbles that cause pinholes and formation defects
Parason Pressurized Headboxes are installed across paper mills producing writing, printing, and packaging grades at speeds up to 1200 m/min.
Key specifications at a glance
* Specifications vary based on machine width and grade requirements
Connect with our wet-end specialists to explore how the Parason Pressurized Headbox can deliver precision jet control, uniform CD/MD profiles, and streak-free formation for your paper machine.
