Neles™ 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.
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
- Design: Full bore ball valve
- Size range: DN 500 and 600 / NPS 20” and 30”, bottom flange modified in accordance to digester top flange
- Pressure classes: PN 16 & ASME 150
- Temperature range: up to +200 °C / +390 °F
- 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
