Floor Model Manifold Freeze Dryer LFFD-T2015

Introduction

Floor Model Manifold Freeze Dryer is capable of reaching temperatures as low as -90℃ and features a 12 kg ice condenser capacity. It features a cold trap defrost function to ensure the maintenance and efficiency of the freeze-drying process. Also, it has a touchscreen interface for precise adjustments and the user’s convenience. This freeze dryer is equipped with advanced a short-circuit protection function and an advanced refrigeration technology. Our freeze dryer is suitable for freeze-drying of small samples in pharmaceutical 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 biological, food, and chemical samples in research or academic labs.

Specifications

Condenser Temperature	- 90℃
Condenser Capacity	12 kg
Cold Trap Volume	20 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	1600 W
Power Supply	220 V / 50 Hz
Dimensions	525 × 570 × 1080 mm
Net Weight	87 kg

Features

Corrosion-resistant upper cover

Pirani vacuum sensor

Color-coded numeric status display

Cold trap defrost function

Proactive reminders

One-click operation

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? Also, are there any limitations to it?

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. Although, there are certain limitation associated to such freeze dryers such as extensive power consumption and cost factor.

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.