Nutsche Filter Dryer

Nutsche Pressure Filter and Vacuum Dryer / FNB and FNB-S

The Nutsche Filter Vacuum Dryer is a high-quality equipment used in processes of separating solids from liquids.
Bachiller's Nutsche Filter / Filter Dryer is designed to perform extraction, filtration, pressing, washing, dissolution, bleaching, deodorising and vacuum drying, all in the same unit without product transfer.
Our closing system reduces opening/closing times and improves equipment´s cleaning requirements.

Working principle

The pressure filter has a batch-wise operation, with reversible agitator variable in height for mixing, cake preparation, purification, scraping, distribution, smoothing, removing and unloading. The dryer is heated completely including the agitator and bottom, vacuum drying the cake.


  • Filtering surface from 0.07 up to 15 m²
  • Operation capacity from 19 up to 15.000 liters
  • Batch-wise operation
  • Operating pressure of 3 bar(g) - Optionally up to 10 bar(g)
  • Operation Temperatures up to 200º C
  • Design  according to ASME VIII div.1 - AD-2000 - EN-13445
  • Easy exchangeable filtering cloth
  • Filter in textile, synthetics, metal, multilayer (sintered) or ceramic
  • Bottom filter with automatic lifting  and lowering
  • Bottom sealing system SUPERCLAMP
  • Cake washing system
  • Unloading of the cake by the lateral valve

Dryer version – additional features

  • Design with absolute vacuum – Drying under vacuum and ultra vacuum
  • Design according to cGMP and EHEDG recommendations
  • Heating/ cooling of the body and/or agitator
  • Unload of the dry solid by lateral valve

Accessories, optionals and special executions

  • Internally mirror polished Ra ≤ 0.6 µm (Grit 360)
  • Internally electro polished (Ra≤ 0.2 µm) as an option
  • External polishing according to requirements up to mirror polishing
  • CIP/SIP systems, validatable by Riboflavin test
  • Agitator with special sterile mechanical seal
  • Floating mechanical nitrogen seals
  • Drive unit with stainless steel cover
  • Sampling valve
  • Tight thermal insulation with welded stainless steel cover
  • Condensation system , vacuum and heating unit
  • Hardware and Software control
  • ATEX 20/0 execution with official certificate
  • DQ, IQ and OQ protocols

Typical applications and sectors

Food industry

  • Additives
  • Animal extracts
  • Colorants
  • Flavours and aromas
  • Natural  extracts
  • Vitamin complements

Fine chemicals and general processes

  • Additives
  • Catalysts
  • Colorants
  • Metallic powders
  • Minerals
  • Pigments
  • Polymers

Fine chemicals and pharma

  • Antibiotics
  • API’s
  • Biotechnology
  • Colorants
  • Crystals
  • Essences and flavours
  • Natural extracts
  • Peptides
  • Pharmacy synthesis
  • Vitamins

Construction material

  • Carbon Steels
  • Anti-Abrasive Carbon Steels
  • Austenitic Stainless Steels - AISI-304L / AISI-316L / AISI-316Ti...
  • Superaustenitic Stainless Steels - 904L / AL6XN / 1.4529...
  • Duplex and Superduplex Stainless Steels - SAF-2205 / SAF-2507...
  • Other metals: Hastelloy C-22, Hastelloy C-276, Titanium Gr.2
E. Bachiller B, S.A.
Can Guasch,3
Pol. Ind. Levante
08150 Parets del Vallés
Barcelona - España
España, Technology for life
PYME Innovadora
MEIC - Ministerio de Economía,
Industria y Competitividad
E.Bachiller B., S.A., Todos los derechos reservados 2011 - 2019 ©