Xi'an TOPTION Instrument Co., Ltd. is one of the most reliable manufacturers and suppliers of Bag Filter | Two-Stage Stainless Steel Bag Filter System in China. We provide high quality solutions & products for global customers who work in chemistry, biology, pharmaceutical, food, etc. If you have any enquiry about lab solution customization, please feel free to email us.
TOPTION this new design two stages bag filter is a stacked type filter system, compared with ordinary filter, its funtion is equivalent to 5~10 times more efficient. Our engineers design this type bag filter, is specifically used for deep fine filtration of plants crude oil after centrifugal extraction. And it's structure is very simple, easy operation. It is consists of three parts: a centrifugal pump (for continuously & stable working), a bag filter, and a precision cartridge filter.

Technical parameters of two stage bag filter and cartridge filter
| Model | C50 | C220 |
| Filtration flux | 3-5m³/h | 7-9m³/h |
| Dimension | 20 inch, ID 200mm | 20 inch, ID 273mm |
| Accuracy | 50um + 5um | 50um + 5um |
| Number of filter bags (can buy separately) | 1 | 1 |
| Numer of filter elements | 3 | 7 |
| Centrifuge pump power | 2.2KW | 3KW |
| Filter whole size | 1100*500*1150 | 1200*550*1350 |
Advantages of multi-stage stainless steel bag filter
1. The processing flow per unit filtration area is large, the filtration resistance is small, and the filtration efficiency is high. The function of a system filter is equivalent to 5~10 times that of ordinary filters, which can greatly reduce costs. The design flow can meet the requirements of 1 ~ 500m3 / h, and the cost is low.
2. Centrifuge pump is equipped well. Support continuously and stable working.

3. High filtration accuracy, suitable for any fine particles or suspended matter, the filtration range can be from 0.5 to 200 microns.
4.The filter is free of cleaning, and the replacement of the liquid filter bag or filter element can be completed in 30 seconds, which is convenient and fast, saving labor and time.

5. The bag filter material includes stainless steel SUS304, and stainless steel 316L can be optionally replaced. TOPTION as stainless steel extraction | filtration | distillation equipment manufacturer, with more than 15 years production experience, support professional customize, contact info@toptionlab.com get fast price quote / catalogue / stock available fast delivery information, etc.

In the cbd industry, this double stage filter is used after low-temperature alcohol extraction to achieve fine filtration. If you are using supercritical extraction, then this filtration step requires winterization equipment. As a manufacturer of laboratory equipment, TOPTION has more than 16 years of experience in R&D and manufacturing, and can provide customized services of various models to meet various actual needs of customers. ISO CE certification, 1 year warranty period, reliable quality guarantee.


The picture below is our full line turnkey solution of equipment, from biomass extraction to the final 99.99 cbd oil distillation, cbd crystallization equipment, FYI.

Q1: What is this two-stage bag filter system used for?
A: This stacked filter system is specifically designed for deep fine filtration of plant crude oil after centrifugal extraction. It is also widely used in the CBD industry for fine filtration after low-temperature alcohol extraction, and in chemical, biological, and pharmaceutical applications.
Q2: What are the key technical specifications?
A: The system offers two models (C50 and C220) with filtration fluxes of 3-5m³/h and 7-9m³/h, respectively. Filtration accuracy ranges from 0.5 to 200 microns. The filter housing is made of stainless steel (SUS304, with SUS316L optional), and it operates with a centrifugal pump.
Q3: How does this bag filter compare to ordinary filters?
A: The function of this system is equivalent to 5 to 10 times that of ordinary filters, greatly reducing costs. It features a high flow rate per unit filtration area, low filtration resistance, and high filtration efficiency.
Q4: How easy is it to maintain the filter?
A: The filter is designed for convenience and requires no cleaning. The liquid filter bag or filter element can be replaced in just 30 seconds, which saves labor and time.
Q5: Can the filter be customized?
A: Yes. TOPTION has over 15 years of manufacturing experience and supports professional customization. We can provide various models to meet different capacity and application requirements, with ISO CE certification and a 1-year warranty.
Q6: How can I get more information or a quote?
A: You can send an inquiry directly through our website or email us at info@toptionlab.com. Our team can provide fast price quotes, catalogues, and stock availability information.
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