NAF ProCap

Unique high-tech capping valve designed for automated filling of wood chips for batch digester applications in the pulp industry.


  • Maximized uptime and reduced maintenance requirements via eccentric hubs, which load the seat and provide tight shutoff.
  • Increased efficiency provided by its unique design that prevents wood chips from getting stuck between the body and the ball.
  • Improved safety and environment compliance due to tight shutoff that prevents leakage to the atmosphere during cooking sequence.
  • Multiple options, including flushing system, control box, water mirror and pressure switch unit, facilitates installation and further enhance safety and minimize maintenance .