Neles™
capping valves
capping valves
Neles capping valves improve the customer process reliability, safety and efficiency

Neles series PZ capping valve offers a solution for automatic opening and closing of batch digester for chip fill. Capping valve increases considerably digester chip fill process efficiency and operator safety.
Benefits
Neles PZ capping valve improves plant efficiency by reducing filling time by automated valve open / close operation.
Valves enable secure operation and full automation of digester chip fill process, this enables increased productivity and safety for process operators
Fast return on investment due to increased productivity and minimal need to modification on existing digester
Features
- Metal to metal seating offers long lasting tightness and low maintenance cost
- PZ capping offers compact way of incorporating safety interlocks by two pressure sensors mounted on valve body to prevent unintentional valve operation when digester is pressurized
- Valve lower flange is custom-made to match the digester top flange allowing easy installation to existing digester vessel
Applications
- Pulping
- Chip fill process
Specifications
Downloads
Read more about capping valves

Life-long capping valve performance
Neles’ flow control solutions offering for the pulp and paper industry covers all the typical valves, a wide range of accessories, intelligent devices and software solutions and of course comprehensive services.

Reliable valves increase process efficiency and lower total costs
Cost efficiency is a term found on every pulp and paper mill's top priority list now that the whole industry sector is going through a structural change with raw material and energy costs rising and environmental legislation tightening. To help pulp and papermakers tackle these challenges, Neles continuously develops its valve products and services further.

Driving sustainable development
New digital technologies in allow us to do so faster and more efficiently than ever before. Neles provides its customers with world-leading flow control products and services built on technological excellence, experience and the highest safety standards.