General Purpose Freeze Dryer

Vikumer FDL series general purpose freeze dryers are designed to dry bulk materials, the range freeze drying equipment fit a wide range of industry applications include bacteria, yogurt, nutrient, probiotics, reagents.

FDL freeze dryers feature rectangular drying chamber and silicone oil based shelves, achieve the highest space using rate and exceptional temperature uniformity. Guarantees consistent drying results between trays and between batches.

The FDL freeze dryers are commercial large capacity, available shelf area up to 48.6m2, and condenser capacity up to 500kgs.

  • Shelf Area: 5.25~48.6m2
  • Condenser Capacity: 50~500Kgs/24Hrs
  • Applications: Bulk, Probiotics, Bacteria, Yogurt, Enzymes, APIs (Active pharmaceutical ingredients), Chemicals etc.

Technical Specifications

Model FD-5L FD-10L FD-20L FD-30L FD-40L FD-50L
Shelf Area 5.25m2 9.72m2 19.8m2 29.7m2 40.5m2 48.6m2
Shelves No. 7+1 9+1 11+1 11+1 15+1 18+1
Shelves Size 750*1000mm 900*1200mm 1200*1500mm 1500*1800mm 1500*1800mm 1500*1800mm
Shelves Temp. -50C~+70C -50C~+70C -50C~+70C -50C~+70C -50C~+70C -50C~+70C
Condenser 50Kgs/24Hrs 100Kgs/24Hrs 200Kgs/24Hrs 300Kgs/24Hrs 400Kgs/24Hrs 500Kgs/24Hrs
Condenser Temp. -75C -75C -75C -75C -75C -75C
Final Vacuum <1Pa <1Pa <1Pa <1Pa <1Pa <1Pa
Power Install 25Kw 50Kw 75Kw 90Kw 125Kw 135Kw
Size (W) 1500 1700 2000 2000 2300 2300
Size (L) 4000 6000 7500 9000 9500 9500
Size (H) 2200 2300 2800 3200 3500 3850

Technical Details

  • Rectangular drying chamber.
  • Stainless steel fabricated, inner wall polish Ra<0.6um.
  • Rounded corners for easy maintain.
  • PUF insulation.
  • Vacuum leakage <5Pa L/S
  • Heavy-duty, hinged door.
  • Stainless steel door, PUF insulated.
  • Lubricate free door gasket.
  • Door with sight glass.
  • Sandwich type shelves.
  • Stainless steel made, surface polish Ra<0.4um.
  • Silicone oil based, shelves can be heated and cooled.
  • Temperature difference between shelves <+/-1C.
  • Temperature difference between points <+/-1C.
  • Separate ice condenser.
  • Coils surface 1:1 with shelf area.
  • Stainless steel fabricated condenser.
  • Sloped bottom for water easy drain.
  • Isolate valve option between chamber and condenser.
  • Hot water defrost.
  • 2-stage oil sealed rotary vane vacuum pump.
  • Roots pump for larger models.
  • Vacuum pump isolation valve.
  • Stainless steel vacuum pipe and bellows.
  • 2-stage semi-hermetic compressor.
  • Water cooling method.
  • Cool shelves through plate heat exchanger.
  • Cool ice condenser by refrigerant direct expands.
  • Centrifugal pump.
  • Electric heating, PID controlled.
  • Stainless steel fluid pipe with insulation.
  • PLC and touch screen HMI based control system.
  • LYO-MEGA interface.
  • PC control software.
  • Pirani vacuum gauge.
  • PT-100 temperature sensors.
  • Pneumatically operated air&water isolate valves.

Tailor-Made and Options

General Purpose Freeze Dryer
With Condenser Isolation Valve
General Purpose Freeze Dryer
With Redundant System
General Purpose Freeze Dryer with Single Chamber System
Single Chamber System

The FDL series freeze dryer can be engineered and manufactured as per user request, Vekuma provide technical support and offer the following options and accessories:

  • Conventional and horizontal layout.
  • S/S316L material.
  • Door position sensor.
  • Slide door.
  • Coated trays.
  • Venting filter.
  • HEPA filter.
  • Vacuum pump oil mist filter.
  • Scroll oil-free vacuum system.
  • Capacitive vacuum sensor.
  • Chamber and condenser isolation valve.
  • Redundant compressor, vacuum pump, fluid pump.
  • Eutectic point detector.
  • PC control.


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