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.

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

Design	Full bore ball valve
Size range	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

Downloads

Read more about capping valves

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Nov 3, 2016

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

Jul 5, 2013

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

Jun 20, 2016

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.

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