Liquid Filter Bags Industrial Liquid Filtration PP 1# 180*430mm 2#180*810 1-200um

Liquid Filter bags are among the most widely used and cost-effective filter elements for liquid filtration, serving as essential components in bag filters for both batch processing and high-flow filtration systems.

What Are Liquid Filter Bags?

Manufacturers make liquid filter bags from materials like polypropylene, nylon, or polyester as specialized filtration tools. Industries use them to remove particles, sediments, and contaminants from liquids.

We typically house these bags in filter housings or baskets, enabling liquids to pass through while trapping impurities. They come in various micron ratings, making them suitable for a wide range of applications.

Structure of Liquid Filter Bags

Typically, filter bags have a simple structure. They have a top – opening for liquid to enter. The body is made of the filtering material. Some bags may have additional features like a support cage. This cage helps the bag maintain its shape. So, the structure is designed for efficient filtration.

Product Characteristics

Filtration Precision

One key characteristic is filtration precision. Liquid Filter bags can come in different micron ratings. A lower micron rating means finer filtration. For instance, a 1 – micron filter bag can trap very small particles. So, depending on the needs, you can choose the right precision.

Chemical Resistance

The materials used in filter bags determine their chemical resistance. Nylon bags, for example, are resistant to many common chemicals. PTFE bags are even more resistant. This is important when filtering aggressive liquids. Thus, chemical resistance is a vital characteristic.

Durability

Filter bags need to be durable. They have to withstand continuous use and the pressure of flowing liquids. High – quality materials ensure durability. Some bags are reinforced for extra strength. So, durability is crucial for long – term use.

Core Advantages

High Filtration Efficiency

Liquid filter bags offer high filtration efficiency. They can remove a large percentage of contaminants. This leads to cleaner liquids. In a food – processing plant, for example, clean liquids are essential for product quality. So, high efficiency is a major advantage.

Cost – Effectiveness

Compared to some other filtration methods, filter bags are cost – effective. They’re relatively inexpensive to purchase and replace. Also, they reduce the need for complex and costly filtration systems. Thus, they save money in the long run.

Easy to Install and Replace

Installing and replacing filter bags is a breeze. They can be quickly inserted into filtration housings. When it’s time for replacement, it can be done without much hassle. This saves time and labor. So, ease of installation and replacement is a big plus.

Specification of liquid filter bags

• Sewing method: ultrasonic welding or stitching
• Seal ring: PP, galvanized steel ring or stainless steel ring
• Seal ring connection: ultrasonic welding or stitching
• Filter rating: 1–500 μm
• Efficiency: Relative accuracy, 85% single filtration efficiency
• Surface treatment: surface smooth treatment to prevent free fibers and solvents
• Material grade: free of silicon and other types of contaminants.
• Replacement: 0.10 MPa replacement differential pressure, not greater than 0.18 MPa.
• Working temperature: Max. 100 °C
• pH range: 1–13

Item	Dimensions D × H (mm)	Flow Rating (m3/h)	Filter Area (m2)	Volume (L)
1	φ180 x 430	20	0.24	8
2	φ180 x 810	40	0.48	17
3	φ105 x 230	6	0.08	1.3
4	φ105 x 380	12	0.16	2.6
5	φ150 x 560	20	0.24	8

Applications of Liquid Filter Bags

1. Water Treatment

In wastewater treatment plants, liquid filter bags remove sediments and contaminants, ensuring cleaner discharge.

2. Food and Beverage

We use them to filter liquids like juices, syrups, and oils, maintaining product quality and safety.

3. Chemicals

In chemical manufacturing, these bags filter out impurities, ensuring the purity of final products.

4. Pharmaceuticals

They play a critical role in producing sterile liquids for medications and injections.

5. Oil and Gas

Manufacturers use liquid filter bags to remove particulates from fuels and lubricants, thus improving efficiency and performance.