VB-50

Laboratory Valley Beater

For refining by cutting the fibres of pulp-paper pulp under standard conditions by the Valley method (Dutch pile). A rotating roll and stationary bedplate create a controlled beating zone where pulp fibres are repeatedly squeezed, cut and fibrillated, offering controlled beating and refining at laboratory scale.

Key Features

• Stainless steel tub, bedplate and flybars.
• Standard beating batch: 360g oven-dry pulp.
• Beating pressure adjustable via weight, with sliding weight for zeroing.
• Discharge drain closed by stopper.
• Built-in motor with electronic frequency converter for accurate speed control.
• Electric control cabinet with built-in timer.
• Large one-piece splash cover for safe operation.
• CE certified.

Applications

Widely adopted for pulp quality evaluation, refining optimisation and consistent paper performance testing — suitable for virgin, recycled and mixed pulps. Meets ISO 5264/1, PAPTAC C.2, SCAN C25, TAPPI T200 and TAPPI T205.

Talk to the Techotrix team to find out whether the VB-50 is the right Valley beater for your pulp laboratory.