FDG-L Series Lab-Scale Fractional Distillation System
FDG-L Series is a versatile, high-performance fractional distillation system designed for laboratory-scale R&D, process development, and small-batch purification.
With capacities ranging from 1L to 20L, this system delivers exceptional separation efficiency, chemical resistance, and operational flexibility, ideal for applications in pharmaceuticals, essential oils, biofuels, and high-purity chemical synthesis.
Key Facts
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Capacity: 1-20L
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Heating: Mantle heating up to 380°C
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Columns: Standard 30/35/40mm diameter × 1m height (custom lengths available)
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Customization: Various column types, packing materials, etc。
Features

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Ideal For: Lab-scale R&D, process exploration, and small-batch purification.
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Electric Heating Mantle: Provides efficient and adjustable heating up to 380°C (usually 350°C)
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High Chemical Compatibility: Constructed with borosilicate glass and PTFE, resistant to acids, alkalis, and organic solvents.
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Visual Monitoring: Transparent glass design allows real-time observation of gas/liquid flow and packing status.
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Flexible Operation: Supports both atmospheric and vacuum distillation (≤50Pa), suitable for heat-sensitive materials (e.g., vitamins, essential oils).
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Modular Design: Standard column diameters (30/35/40mm) and 1m height, customizable lengths available.
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Diverse Packing Options: Compatible with θ-rings, glass springs, Raschig rings, and structured packings for high-purity separation.
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Easy Cleaning: Smooth surfaces minimize residue and cross-contamination risks.
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Precision Control: Optional vacuum controller for stable pressure regulation.
Optional Functional Modules
【A】 Boiling Flask
【B】 Heating Mantle
【C】 Distillation Column
【D】 Reflux Head
【E】 Condenser
【F】 Electromagnetic Reflux Valve
【G】 Fraction Collector
【H】 Reflux Ratio Controller
【I】 Vacuum Pump (Optional)
【G】 Heating Cooling Circulator (Optional)

> Vacuum (silver-plated) insulation layer distillation column + Expansion ring
> Jacket insulation layer distillation column
>PLC control system
> Overhead stirrer
+ Magnetic coupling seal
> Customization




System Upgrades
Upgrade Options

Heating cooling circulator

Vacuum Controller

High-precision vacuum
gauge

Dry ice cold trap


Dry ice cold trap with chiller

Various packing materials



Vacuum sytem options: rotary vane vacuum pump, corrosion-resistant vacuum pump or dry screw pump
Specification
Model | FDG-1L | FDG-2L | FDG-3L | FDG-5L | FDG-10L | FDG-20L |
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Fraction Collector Capacity (L) | 1 | 1 | 1 | 2 | 2 | 5 |
Boiling Flask Size (Liter) | 1 | 2 | 3 | 5 | 10 | 20 |
Temperature Range (℃) | RT/+380 | RT/+380 | RT/+380 | RT/+380 | RT/+380 | RT/+380 |
Heating Power (w) | 530 | 650 | 730 | 1100 | 2100 | 3000 |
Stirring Speed (rpm) | 50......1800 | 50......1800 | 50......1800 | 50......1800 | 50......1800 | 50......1800 |
Distillation Column Diameter (mm) | 30 | 30 | 30 | 30 | 30 | 35 |
Distillation Column Height (mm) | 1000 | 1000 | 1000 | 1000 | 1000 | 1000 |
Condensing Area (㎡) | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 |
Fraction Collector Quantity (Qty) | 2 | 2 | 2 | 2 | 2 | 2 |