Floor Model Manifold Freeze Dryer LFFD-T2012

Introduction

Floor Model Manifold Freeze Dryer features a condenser temperature of -70°C and a condenser capacity of 9 kg. Its freeze-dried chamber is constructed from acrylic with an aluminum upper cover and includes 12 external valves (detachable). The vacuum tube is flexible and made of stainless steel which is resistant to all types of corrosions. This freeze dryer has multiple detection and alarm system that promptly alert in case of any failure or error. Our freeze dryer is ideal for general freeze-drying of small samples in educational and research laboratories.

This laboratory freeze dryer is designed to meet the rigorous requirements of modern laboratory operations, ensuring high precision, reliability, and ease of use for various experimental applications.

Applications

Our Floor Model Manifold Freeze Dryer is used for routine drying of small biological, food, and chemical samples in research or academic labs.

Specifications

Condenser Temperature	- 70℃
Condenser Capacity	9 kg
Cold Trap Volume	15 L
Freeze-Dried Chamber Type	Acrylic chamber with aluminum upper cover and external valve
Vacuum Level	5×10⁻³ mbar
Pumping Capacity	8 m³/h
Sample Shelf Diameter	Φ 260 mm
Shelf Area (Single Layer)	0.55 m²
Shelf Layers (Optional)	3 to 10 layers
External Valve	12 pieces
Anti-Corrosive Treatment	-coated trap and coil (standard)
Vacuum Pump Pipe Connection	Single stainless steel flexible pipe
Power Consumption	900 W
Power Supply	220 V / 50 Hz
Dimensions	525 × 570 × 1080 mm
Weight	80 kg

Features

One-click operation

Color-coded numeric status display

Cold trap defrost function

User-friendly interface

Short circuit protection

Durable structure

FAQs

1. How does the manifold system work in freeze drying?

The manifold system consists of a central drying chamber or condenser unit with several ports where flasks or containers can be attached. Each port connects to a sample via a valve, and once all the samples are secured, a vacuum is applied. Under low pressure, the frozen water in the samples sublimates and is captured in the condenser. The manifold allows each flask to be individually exposed to vacuum, ensuring uniform and independent drying. Some models also allow individual isolation of ports, so samples can be added or removed without disturbing others.

2. What types of vacuum pumps are compatible with these freeze dryers?

Floor Model Manifold Freeze Dryer typically requires external vacuum pumps. Oil-sealed rotary vane pumps are most common due to their ability to achieve deep vacuum levels and handle water vapor efficiently. However, dry scroll pumps are also used, especially in clean environments, since they reduce contamination risk and require less maintenance. The choice of pump depends on the specific drying requirements and the compatibility with the solvents or vapors being processed.

3. Are there any safety features built into the freeze dryer?

Yes, Floor Model Manifold Freeze Dryer comes with several safety features. These may include over-temperature protection, and vacuum failure alarms. It also has a large opening and passage design. The thermal electromagnetic over current short circuit protection ensures a safe operation.

4. What are the advantages of using a Manifold freeze dryer over other types?

Manifold freeze dryers are compact, cost-effective, and ideal for small-scale or multi-sample operations. They offer flexibility in handling different sample types at the same time. Unlike shelf dryers, which require uniform trays and temperature control, manifold systems allow individual flasks to be freeze-dried under vacuum. This setup is particularly useful in research settings where small volumes and varied sample types are processed. They also provide easy access and visual observation of the drying process.

5. What should be considered when choosing a Floor Model Manifold Freeze Dryer?

Key considerations include the number of ports needed, the lowest achievable condenser temperature, the ultimate vacuum level, and the type of vacuum pump required. You should also evaluate the compatibility with the solvents or samples you plan to use. Additional factors include defrost method, software interface, ease of cleaning, and available accessories like sample holders or flask adapters.