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HC refiners - Spare Parts and components

Refiner Exchange Service

A completely reconditioned drop-in unit, upgraded to the latest design.

Exchange system for SD refiners

Available to rapidly provide you a completely reconditioned, guaranteed drop-in unit.

Transroll Screw Exchange System

Reconditioned transroll screws upgraded to the latest design


HC refining - Maintenance and shutdown service

Drop-In Unit Replacement

Taking advantage of Valmet’s expert knowledge when replacing the drop-in unit.

Mechanical Seal Replacement

The mechanical seal lifetime of your Defibrator/Refiner can be improved by taking advantage of Valmet’s expert knowledge that are deemed necessary for keeping it in reliable condition.

Defibrator/Refiner Inspection

Taking advantage of Valmet’s expert knowledge of maintenance, repair, analysis and adjustments.

Valmet Refiner Reconditioning

Modular maintenance solutions for flexible service offering.

Segment holders

Maintenance program for refiner segment holders improves refiner operation.

Recond. of drop-in units – RG(P), L

A profitable investment for maximum service life, availability and performance.

Reconditioning packages For SD refiners

Continuous technical developments and improvements in materials and design make reconditioning of drop-in units a profitable investment that will provide a pay-back in maximum service life, availability and performance.


HC refining - Process and automation upgrades

Gap Monitoring System

Complete system to monitor the Defibrator/refiner. Equipped with new features to improve machine safety, operation and automation.

Refiner Hydraulic Unit

A complete unit that fits on existing refiners without any modifications.

RLP Oil Unit 

A freestanding, external panel to facilitate servicing of the water and hydraulic panel.

Adjustable Gap Sensor (AGS)

Disc gap calibration during full production.

Infeed Screw FSA

Upgrade package for double-disc refiner infeed screws.

Infeed Screw RL(P)

By mounting the screw feeder directly on the refiner shaft you get a much simpler design that increases accessibility.

Refiner Alignment Block

Adjustment blocks for quick and accurate alignment of a Classic Refiner bearing unit.

Refiner Control System Upgrade

Process Automation – Improvement products

Disc Gap Control

Safely control the refiner/ Defibrator from a remote control room.

Disc Gap Control Agreement

Agreement that combines accurate disc-gap control with energy-saving segments.

Refiner Adjustment Device

This is an upgrade device that is more reliable and demands less maintenance.

CMS – Upgrade kit to electric stepping motor

Optimize your energy consumption and fiber quality.

Refiner Position Monitoring

Gives information about the axial position of the rotor or a stator on a refiner/Defibrator.

TVD - Touch point vibration detector

Replaces the old SPM/TPM system.

FG 01/02 - Angular Transmitter Monitor

Upgrade of DCM-RM1 to latest version

RMS-DD1/RS2 + Service panel

Upgrade for Double Disc RGP 65/68 DD