Zhejiang Huaqiang Environmental Technology Co., Ltd.
Zhejiang Huaqiang Environmental Technology Co., Ltd.
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Precision Industrial Filter

The precision filter is made of high-quality stainless steel 304 or 316L. Due to its light weight, easy operation, large filtration area, fast filtration speed, and no clogging, it is widely used in pre-treatment and filtration in various industries.

The precision filter can be equipped with filter cartridges of different models (from 10" to 40") and different types, such as PP melt-blown filter cartridges, Pleated filter cartridges, string-wound filter cartridges, activated carbon filter cartridges, etc.

Generally, the precision filter is installed before the pressure vessel to remove fine particles with turbidity above 1 NTU, thus meeting the water inlet requirements of subsequent processes. Occasionally, it is also installed at the end of the entire water treatment system to prevent fine particles from entering the product water. Most precision filters utilize stainless steel for the shell and are equipped with filter cartridges (such as PP cotton) inside. They are primarily used after multi-media pre-treatment filtration and before membrane filtration equipment, such as Reverse Osmosis (RO) and Ultrafiltration (UF). They are used to filter out fine substances (such as tiny quartz sand, activated carbon particles, and the like) remaining after multi-media filtration, ensuring the required water filtration precision and protecting the membrane filtration elements from damage by large particles. The precision level of the filter cartridges installed in the precision filtration device ranges from 0.5 μm to 100 μm. Different filtration precisions are selected according to specific application requirements to ensure the effluent precision and the safety of the subsequent membrane elements.

Precision Industrial Filter
Precision Industrial Filter
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Specifications of Precision Industrial Filter

Product Structure and Technical Parameters

Operating Pressure

0.1-0.6MPa

Operating Temperature

20℃-80℃

Sealing Type

O-ring and flat gasket

Sealing Material

Nitrile Rubber (NBR), Silicone Rubber, Fluorine Rubber

Interface Type

Thread, Flange

Applicable Filter Cartridges

Flat-mouth filter cartridges, 222 and 226 socket filter cartridges

Surface Treatment

Mirror Polishing, Electrolytic Polishing

Surface Treatment

Mirror Polishing, Electrolytic Polishing

Shell Material

Stainless Steel 304, 316L, Carbon Steel


Technical Parameter Table

Model

Melt-blown Filter Cartridge  (Standard Configuration)

Inlet & Outlet Pipe

Specification

Wall Thickness

Structure Type

Number of Filter Cartridges

Filter Cartridge Size

Flow Rate (t/h)

Model

Diameter (Standard Configuration)

HQ-1-5X

HQ-15X

DN25

φ219×700

2

Flange

5

10

1.5

HQ-2-5X

HQ-25X

DN32

φ219×1000

2

Flange

5

20

3

HQ-3-5X

HQ-35X

DN40

φ219×1200

2

Flange

5

30

5

HQ-4-5X

HQ45X

DN50

φ219×1500

2

Flange

5

40

7

HQ-4-10X

HQ-410X

DN65

φ325×1550

2.5

Flange

10

40

15

HQ-4-15X

HQ-415X

DN80

φ377×1600

3

Flange

15

40

22

HQ-4-20X

HQ-420X

DN80

φ426×1650

3

Flange

20

40

30

HQ-4-25X

HQ-425X

DN100

φ450×1700

3

Flange

25

40

40

HQ-4-30X

HQ-430X

DN100

φ 500×1750

3

Flange + Jib

30

40

45

HQ-4-35X

HQ-435X

DN100

φ 550×1800

3

Flange + Jib

35

40

55

HQ-4-45X

HQ-445X

DN125

φ600×1850

3

Flange + Jib

55

40

85

HQ-4-50X

HQ-450X

DN125

φ650×1900

3

Flange + Jib

61

40

90

HQ-4-60X

HQ-460X

DN125

φ700×1950

3

Flange + Jib

73

40

110

HQ-4-65X

HQ-465X

DN150

φ750×2000

4

Flange + Jib

85

40

125

HQ-4-70X

HQ-470X

DN150

φ800×2050

4

Flange + Jib

91

40

135

HQ-4-80X

HQ-480X

DN150

φ900×2100

5

Flange + Jib

121

40

180

HQ-4-100X

HQ-4100X

DN200

φ1000×2150

5

Flange + Jib

131

40

195


Product Principle of Precision Industrial Filter

  • The shell of the precision filter is constructed from high-quality stainless steel, and the filter cartridge utilizes formed filter media, specifically polypropylene fiber melt-blown material. Under the action of pressure, the raw liquid passes through the filter media; the filter residue is retained on the media, and the filtrate flows out. It effectively removes impurities, sediments, suspended solids, and bacteria in the water, thereby achieving the intended purpose of filtration.

Product Functions and Features of Precision Industrial Filter

  • It can withstand relatively high filtration pressure and effectively remove suspended solids, rust, and so on in liquids.

  • The filter cartridge can be made of various materials to meet the needs of filtering various fluids.

  • Small volume, large filtration area, low resistance, and long service life;

  • Resistant to acids, alkalis, and other chemical solvents;

  • High filtration precision, uniform filter cartridge pore size, high strength, high temperature resistance, and the filter cartridge is not easily deformed.

  • Low filtration resistance, large flux, strong dirt-holding capacity, and long service life;

  • The filter cartridge material has high cleanliness and no pollution to the filtering medium.

  • Low price, low operating cost, easy to clean, and the filter cartridge is replaceable.

Product Application Scope of Precision Industrial Filter

  • Security filtration and terminal filtration for systems such as Nanofiltration (NF), Ultrafiltration (UF), Reverse Osmosis (RO), and Electrodeionization (EDI);

  • Filtration of pharmaceutical injections, infusion preparation, eye drops, Chinese herbal medicine liquids, etc., and extraction, purification, and concentration of biological agents;

  • Pre-filtration and terminal filtration of high-purity water for electronics, microelectronics, and semiconductor industries;

  • Filtration of oilfield reinjection water, boiler make-up water, chemical reagents, liquid organic products, high-purity chemicals, pesticides, etc.;

  • Filtration of drinking pure water, mineral water, fruit juice, tea drinks, and health drinks;

  • Filtration of white wine, red wine, beer, rice wine, and other fruit wines, and sterile filtration of draft beer (replacing pasteurization);

  • Pre-treatment filtration or security filtration is used in the process of production and domestic wastewater treatment, and reclaimed water recycling.

  • Other fields such as water supply and wastewater treatment in the fields of bioengineering, oil refining, printing and dyeing, the textile industry, and scientific research experiment filtration.

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