Precise Filtration Duplex Filter Device

The precise filtration duplex filter device represents a device used to achieve high-efficiency filtration. It usually consists of two filtration units to improve filtration efficiency and meet more stringent filtration requirements. In some industrial applications, single filter unit may not achieve the required filtration effect, so it is necessary to further purify the fluid by cascading two filter units.

 

Working principle

The working mechanism of the precise filtration duplex filter is based on a two-stage filtration strategy. First, the stock solution passes through the first filter unit, which is often equipped with a coarser filter medium, such as a pre-filter or a coarse pore size filter membrane, whose main task is to remove larger particles, fibers and other visible impurities from the liquid. This initial filtration step effectively reduces the burden on the second filter unit and extends the service life of the entire system.

 

Then, the liquid that has been initially purified enters the second stage of filtration, which uses finer filtration media such as microporous membranes (such as polyvinylidene fluoride PVDF, polytetrafluoroethylene PTFE or nylon), or even membranes with special functions (such as antibacterial membranes). The goal of this stage is to capture and remove micrometer-level particles, ensuring that the final output water quality meets extremely high purity standards.

 

Parameters

Material	Stainless steel or carbon steel
Filtration areas	5.0 m2, 10 m2, 15 m2, 20 m2, 25 m2, 30 m2, 40 m2
Filtration accuracy	0.3, 0.5, 1.5, 10, 15, 25, 50, 100, 200, 300, 400 μm
Design pressure	0.6 Mpa
Flow rate	1 ~ 200 m3/h
Working temperature	5 ~ 80°C
Connections	Flange
Control way	Differential Pressure / PLC Timer / Manual
Rated operating voltage	3PH 380V 50Hz
Installation	Vertical

 

Advantages

1. Efficient purification

The collaborative operation of two-stage filtration ensures the complete removal of large particles to tiny particles, so that the filtered water meets the strictest purity requirements.

2. Flexibility

Users can choose filter combinations of different materials and pore sizes according to their specific needs, adapting to the specific standards and application requirements of different industries.

3. Easy to maintain

The filter element is designed for quick replacement and cleaning, reducing maintenance costs while ensuring the continued efficient operation of the filtration system.

4. Safety and compliance

All components that come into contact with materials are made of food-grade or pharmaceutical-grade materials, which meet international safety standards and ensure the safety and compliance of the final product.

 

Application field

Due to its outstanding performance, the precision filtration duplex filter plays an indispensable role in many fields.

1. Pharmaceutical industry

In the production of pharmaceuticals, especially the preparation of sterile preparations and biological products, duplex filters are used for the filtration of raw water, water for injection, and final products to ensure sterile conditions.

2. Food and beverage

Used for clarification and sterilization of mineral water, juice, beer and other beverages to improve product quality and taste.

3. Biotechnology

In the process of cell culture, fermentation, protein purification, etc., to ensure the high purity of the medium and buffer.

4. Chemical industry

In the production of fine chemicals and electronic chemicals, remove tiny impurities that affect product quality.

 

Operation and maintenance guidelines

- Operation points

1. Check before installation. Ensure that all interfaces are sealed without leakage and properly connected to the inlet and outlet pipelines.

2. Pre-rinse. After installing or replacing the filter element, perform pre-rinse to remove possible impurities and protect the filter membrane.

3. Pressure Monitoring. Regularly check the working pressure of the filter. An abnormal increase may mean that the filter element is blocked and needs to be dealt with in time.

- Maintenance advice

1. Regularly replace the filter element. According to the actual usage and water quality, develop a reasonable filter element replacement plan.

2. Cleaning and maintenance. For reusable filter elements, they should be cleaned and disinfected according to the manufacturer's recommended methods.

3. Record Maintenance. Detailed records of the time of each maintenance and replacement of the filter element, filter element model, etc. help track system performance and optimize maintenance schedules.

 

FAQ

1. Q: What is the function of a filter?

A: The main function of a filter is to remove solid particles, impurities, and harmful substances from liquids or gases, in order to achieve purification, clarification, and protection of equipment.

2. Q: How to choose a suitable filter?

A: When choosing a filter, factors such as the properties of the material being filtered (e.g., viscosity, temperature, corrosion), required filtration accuracy, processing capacity, operating pressure and medium, as well as the type, material, size, and installation method of the filter should be considered.

3. Q: What is the working principle of a filter?

A: The working principle of a filter mainly relies on physical screening, deep interception, absorption, or chemical reactions to remove impurities or harmful components from the material being filtered.

4. Q: How to maintain and care for a filter?

A: Maintenance of filters includes regular cleaning or replacement of filter elements, inspection of seals and fasteners, maintaining stable operating pressure, and avoiding overloading. Specific methods should be referenced from the filter's instruction manual and maintenance guides.

5. Q: What is the service life of a filter?

A: The service life of a filter depends on its working environment, processing volume, and filtration accuracy. Generally, when the filter's pressure drop reaches a certain value or the filtration effect decreases significantly, it needs to be replaced or cleaned.

6. Q: What should be paid attention to during filter installation?

A: During filter installation, attention should be paid to the directionality, ensuring that the fluid enters and exits from the correct ports. Also, the piping system should be cleaned before installation, and the filter should be securely fastened and sealed as required by the instructions.

7. Q: What is the replacement cycle for filters?

A: The replacement cycle for filters depends on their working conditions and filtration requirements, and is usually indicated by pressure difference indicators or timers. When the filter's pressure drop reaches the set value or the filtration effect decreases, it should be replaced in a timely manner.

 

Why Choose Us

· Professional manufacturer with many years' experience

· Good quality with competitive price

· OEM & ODM are welcome

· Various payment items are acceptable

· Good service by experienced manager

 

AIDA Philosophy

1. Management Concept:

· Satisfy the customers' demand --- Touch customers, trust with our products and services

· Make employees happy --- Pursue higher material and spiritual happiness

2. Company Mission:

· Focus on customer needs, provide best filtering solution

· To be the lifelong partner with customers

3. Corporate Vision:

· Become a global purification leadership brand

4. Values:

· Customer: Pursue the ultimate experience, enjoy excellent quality

· Team: Trust, responsibility, growth, win-win

· Work: Simple, sincere, efficient, dedicated