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FD-20RS Freeze Dryer

The Vikumer FD-20RS food freeze dryer is a popular model, it comes with the just right freeze drying capacity. Offers total 19 sq.m trays area and 330kgs ice condenser. Nominated production capacity refers to its 20hrs vapor collect capacity, that is 200kgs. And it can be applied to nearly all edible products.


Useable trays area.


Ice condenser capacity.

FD-20RS Food Freeze Dryer Front View
FD-20RS Food Freeze Dryer Side View


Trays Area 19m2
Shelves Temp. -35C to +100C
Ice Condenser -45C, 330Kgs
Final Vacuum <15Pa
Installed Size 1800*5500*2700mm
Power 45Kw

Main Features

Fully Automatic

Freeze drying by PLC based controller.

In-Place Freezing

Inside freeze dryer, Temp. as low as -35C.

Energy Saving

Optimal PID Controlled heating system.

High Efficiency

Shelves heating speed >1C/min.

Insulated Chamber

By PUF, all energy use for sublimation, no waste.

Technical Details

FDRS Commercial Food Freeze Dryer Shelves Arrangement

Designing Applications

The Vikumer FDRS food freeze dryers are small commercial units, designed especially for fruit and vegetables freeze drying. Offer tons of benefits include cheap price, easy to use, heavy duty, low energy consumption and stable performance.

These machines help you start your freeze dry business economically, and guarantee the healthy growth of your company.

Machinery Structure

All-include Structure

All the machinery that involved with the operation of FDRS food lyophilizer is mounted in a steel frame. Plug and play deliver.

Drying Chamber and Door

Cylindrical drying chamber and torispherical door. Stainless steel 304 made, surface mirror polished. Door middle and side of chamber have viewing ports and illuminators.


Condenser and drying chamber are integrated. Condenser coils can be installed besides, beneath or in rear side of shelf module.


Both condenser chamber and condensing coils are S/S304 made. Condenser chamber is fully insulated.

Shelves and Trays

1 module of fixed shelf contains various heat-plates. Stainless steel 304 made, surface mirror polished. 1 suit product trays included, and will send together with freeze dryer.

System Specifications

Vacuum System

The vacuum pumps installed in FDRS freeze dry systems are 2-stage oil sealed pumps and roots pump combination.

Each vacuum pump has individual isolation valve, and is pneumatically operated. Capable of automatic close once electric interrupt.

Refrigeration System

Water cooling method, semi-hermetic compressor system. Chilling shelves in pre-freezing stage, and chilling condenser in drying stages.

Fluid Transfer System

Fluid circulates inside sandwich type shelves, which can be heated or chilled. Shelves heating through electric heater, and chilling through plate heat exchanger. PID control technology, precise control of temperature.

Controller and Measuring Apparatus

Temperature Sensors

PT100A probes for fluid, shelves, products and condenser coils temperature measure and control.

Vacuum Gauges

Pirani type vacuum gauges for drying chamber pressure measurement.


Based on PLC and user friendly HMI. which have the functions of:

  • Graphic displays vacuum freeze dryer working status.
  • Freeze drying recipes management.
  • Real-time freeze drying curve.
  • Automatic and semi-automatic working.
  • Alarms information and failure check.
  • Data download.

All the valves that use to isolate air and water are pneumatically operated, which include:

  • Vacuum pumps isolate.
  • Vacuum degree adjust.
  • Vacuum break.
  • Condenser defrost water supply.
  • Condenser defrost water draining.

Options and Accessories

  • Aluminum alloy shelves and trays.
  • Conductive heating and radiative heating method.
  • Air cooled compressor.
  • Extra suit of material trays.
  • Low temperature model.
  • Documents packages, IQ, O/PQ, FAT.